merge master -- apparently someone else added dhall?

40 files changed, 415 insertions, 324 deletions

diff --git a/test/command_callback/test_ada_gcc_command_callbacks.vader b/test/command_callback/test_ada_gcc_command_callbacks.vader
index de6e355e..906b31a4 100644
--- a/test/command_callback/test_ada_gcc_command_callbacks.vader
+++ b/test/command_callback/test_ada_gcc_command_callbacks.vader
@@ -18,11 +18,10 @@ After:
   call ale#assert#TearDownLinterTest()
 
 Execute(The executable should be configurable):
-
   AssertLinter 'gcc',
   \ ale#Escape('gcc') . ' -x ada -c -gnatc'
   \ . ' -o ' . b:out_file
-  \ . ' -I ' . ale#Escape(getcwd())
+  \ . ' -I %s:h'
   \ . ' -gnatwa -gnatq %t'
 
   let b:ale_ada_gcc_executable = 'foo'
@@ -30,15 +29,14 @@ Execute(The executable should be configurable):
   AssertLinter 'foo',
   \ ale#Escape('foo') . ' -x ada -c -gnatc'
   \ . ' -o ' . b:out_file
-  \ . ' -I ' . ale#Escape(getcwd())
+  \ . ' -I %s:h'
   \ . ' -gnatwa -gnatq %t'
 
 Execute(The options should be configurable):
-
   let g:ale_ada_gcc_options = '--foo --bar'
 
   AssertLinter 'gcc',
   \ ale#Escape('gcc') . ' -x ada -c -gnatc'
   \ . ' -o ' . b:out_file
-  \ . ' -I ' . ale#Escape(getcwd())
+  \ . ' -I %s:h'
   \ . ' --foo --bar %t'
diff --git a/test/command_callback/test_asm_gcc_command_callbacks.vader b/test/command_callback/test_asm_gcc_command_callbacks.vader
index 42606ec0..5976b5f2 100644
--- a/test/command_callback/test_asm_gcc_command_callbacks.vader
+++ b/test/command_callback/test_asm_gcc_command_callbacks.vader
@@ -3,7 +3,7 @@ Before:
   call ale#test#SetFilename('test.cpp')
   let b:command_tail = ' -x assembler'
   \   . ' -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . '-iquote ' . ale#Escape(g:dir)
+  \   . '-iquote %s:h'
   \   . ' -Wall -'
 
 After:
diff --git a/test/command_callback/test_c_cc_command_callbacks.vader b/test/command_callback/test_c_cc_command_callbacks.vader
new file mode 100644
index 00000000..c8c2de7d
--- /dev/null
+++ b/test/command_callback/test_c_cc_command_callbacks.vader
@@ -0,0 +1,55 @@
+Before:
+  Save g:ale_c_parse_makefile
+  Save g:ale_history_enabled
+
+  let g:ale_c_parse_makefile = 0
+  let g:ale_history_enabled = 0
+
+  let g:get_cflags_return_value = ''
+  let g:executable_map = {}
+
+  runtime autoload/ale/c.vim
+  runtime autoload/ale/engine.vim
+
+  function! ale#engine#IsExecutable(buffer, executable) abort
+    return has_key(g:executable_map, a:executable)
+  endfunction
+
+  function! ale#c#GetCFlags(buffer, output) abort
+    return g:get_cflags_return_value
+  endfunction
+
+  call ale#assert#SetUpLinterTest('c', 'cc')
+
+  let b:command_tail = ' -S -x c'
+  \   . ' -o ' . (has('win32') ? 'nul': '/dev/null')
+  \   . ' -iquote %s:h'
+  \   . ' -std=c11 -Wall -'
+
+After:
+  unlet! g:get_cflags_return_value
+  unlet! g:executable_map
+  unlet! b:command_tail
+
+  runtime autoload/ale/c.vim
+  runtime autoload/ale/engine.vim
+
+  call ale#assert#TearDownLinterTest()
+
+Execute(clang should be used instead of gcc, if available):
+  let g:executable_map = {'clang': 1}
+
+  AssertLinter 'clang', [ale#Escape('clang') . b:command_tail]
+
+Execute(The executable should be configurable):
+  AssertLinter 'gcc', [ale#Escape('gcc') . b:command_tail]
+
+  let b:ale_c_cc_executable = 'foobar'
+
+  AssertLinter 'foobar', [ale#Escape('foobar') . b:command_tail]
+
+Execute(The -std flag should be replaced by parsed C flags):
+  let b:command_tail = substitute(b:command_tail, 'c11', 'c99 ', '')
+  let g:get_cflags_return_value = '-std=c99'
+
+  AssertLinter 'gcc', ale#Escape('gcc') . b:command_tail
diff --git a/test/command_callback/test_c_clang_command_callbacks.vader b/test/command_callback/test_c_clang_command_callbacks.vader
deleted file mode 100644
index b8c02e4d..00000000
--- a/test/command_callback/test_c_clang_command_callbacks.vader
+++ /dev/null
@@ -1,20 +0,0 @@
-Before:
-  Save g:ale_c_parse_makefile
-  let g:ale_c_parse_makefile = 0
-
-  call ale#assert#SetUpLinterTest('c', 'clang')
-  let b:command_tail = ' -S -x c -fsyntax-only -iquote'
-  \   . ' ' . ale#Escape(getcwd())
-  \   . ' -std=c11 -Wall -'
-
-After:
-  unlet! b:command_tail
-
-  call ale#assert#TearDownLinterTest()
-
-Execute(The executable should be configurable):
-  AssertLinter 'clang', [ale#Escape('clang') . b:command_tail]
-
-  let b:ale_c_clang_executable = 'foobar'
-
-  AssertLinter 'foobar', [ale#Escape('foobar') . b:command_tail]
diff --git a/test/command_callback/test_c_gcc_command_callbacks.vader b/test/command_callback/test_c_gcc_command_callbacks.vader
deleted file mode 100644
index 2dbb8b7c..00000000
--- a/test/command_callback/test_c_gcc_command_callbacks.vader
+++ /dev/null
@@ -1,22 +0,0 @@
-Before:
-  Save g:ale_c_parse_makefile
-  let g:ale_c_parse_makefile = 0
-
-  call ale#assert#SetUpLinterTest('c', 'gcc')
-
-  let b:command_tail = ' -S -x c'
-  \   . ' -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(getcwd())
-  \   . ' -std=c11 -Wall -'
-
-After:
-  call ale#assert#TearDownLinterTest()
-
-  unlet! b:command_tail
-
-Execute(The executable should be configurable):
-  AssertLinter 'gcc', [ale#Escape('gcc') . b:command_tail]
-
-  let b:ale_c_gcc_executable = 'foobar'
-
-  AssertLinter 'foobar', [ale#Escape('foobar') . b:command_tail]
diff --git a/test/command_callback/test_c_import_paths.vader b/test/command_callback/test_c_import_paths.vader
index e6102998..3c2bd79b 100644
--- a/test/command_callback/test_c_import_paths.vader
+++ b/test/command_callback/test_c_import_paths.vader
@@ -7,6 +7,7 @@ Before:
   Save g:__ale_c_project_filenames
 
   let g:original_project_filenames = g:__ale_c_project_filenames
+  let g:executable_map = {}
 
   " Remove the .git/HEAD dir for C import paths for these tests.
   " The tests run inside of a git repo.
@@ -18,106 +19,67 @@ Before:
   let g:ale_c_parse_compile_commands = 0
   let g:ale_c_parse_makefile = 0
 
+  runtime autoload/ale/engine.vim
+
+  function! ale#engine#IsExecutable(buffer, executable) abort
+    return has_key(g:executable_map, a:executable)
+  endfunction
+
 After:
   Restore
 
   unlet! g:original_project_filenames
+  unlet! g:executable_map
+
+  runtime autoload/ale/engine.vim
 
   call ale#assert#TearDownLinterTest()
 
-Execute(The C GCC handler should include 'include' directories for projects with a Makefile):
-  call ale#assert#SetUpLinterTest('c', 'gcc')
+Execute(The C cc linter should include 'include' directories for projects with a Makefile):
+  call ale#assert#SetUpLinterTest('c', 'cc')
   call ale#test#SetFilename('../test_c_projects/makefile_project/subdir/file.c')
-  let g:ale_c_gcc_options = ''
+  let g:ale_c_cc_options = ''
 
   AssertLinter 'gcc',
   \ ale#Escape('gcc')
   \   . ' -S -x c -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/include'))
   \   . ' -'
 
-Execute(The C GCC handler should include 'include' directories for projects with a configure file):
-  call ale#assert#SetUpLinterTest('c', 'gcc')
+Execute(The C cc linter should include 'include' directories for projects with a configure file):
+  call ale#assert#SetUpLinterTest('c', 'cc')
   call ale#test#SetFilename('../test_c_projects/configure_project/subdir/file.c')
-  let g:ale_c_gcc_options = ''
+  let g:ale_c_cc_options = ''
 
   AssertLinter 'gcc',
   \ ale#Escape('gcc')
   \   . ' -S -x c -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/configure_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/configure_project/include'))
   \   . ' -'
 
-Execute(The C GCC handler should include root directories for projects with .h files in them):
-  call ale#assert#SetUpLinterTest('c', 'gcc')
+Execute(The C cc linter should include root directories for projects with .h files in them):
+  call ale#assert#SetUpLinterTest('c', 'cc')
   call ale#test#SetFilename('../test_c_projects/h_file_project/subdir/file.c')
-  let g:ale_c_gcc_options = ''
+  let g:ale_c_cc_options = ''
 
   AssertLinter 'gcc',
   \ ale#Escape('gcc')
   \   . ' -S -x c -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project'))
   \   . ' -'
 
-Execute(The C GCC handler should include root directories for projects with .hpp files in them):
-  call ale#assert#SetUpLinterTest('c', 'gcc')
+Execute(The C cc linter should include root directories for projects with .hpp files in them):
+  call ale#assert#SetUpLinterTest('c', 'cc')
   call ale#test#SetFilename('../test_c_projects/hpp_file_project/subdir/file.c')
-  let g:ale_c_gcc_options = ''
+  let g:ale_c_cc_options = ''
 
   AssertLinter 'gcc',
   \ ale#Escape('gcc')
   \   . ' -S -x c -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project'))
-  \   . ' -'
-
-Execute(The C Clang handler should include 'include' directories for projects with a Makefile):
-  call ale#assert#SetUpLinterTest('c', 'clang')
-  call ale#test#SetFilename('../test_c_projects/makefile_project/subdir/file.c')
-  let g:ale_c_clang_options = ''
-
-  AssertLinter 'clang',
-  \   ale#Escape('clang')
-  \   . ' -S -x c -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/include'))
-  \   . ' -'
-
-Execute(The C Clang handler should include 'include' directories for projects with a configure file):
-  call ale#assert#SetUpLinterTest('c', 'clang')
-  call ale#test#SetFilename('../test_c_projects/h_file_project/subdir/file.c')
-  let g:ale_c_clang_options = ''
-
-  AssertLinter 'clang',
-  \   ale#Escape('clang')
-  \   . ' -S -x c -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project'))
-  \   . ' -'
-
-Execute(The C Clang handler should include root directories for projects with .h files in them):
-  call ale#assert#SetUpLinterTest('c', 'clang')
-  call ale#test#SetFilename('../test_c_projects/h_file_project/subdir/file.c')
-  let g:ale_c_clang_options = ''
-
-  AssertLinter 'clang',
-  \   ale#Escape('clang')
-  \   . ' -S -x c -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project'))
-  \   . ' -'
-
-Execute(The C Clang handler should include root directories for projects with .hpp files in them):
-  call ale#assert#SetUpLinterTest('c', 'clang')
-  call ale#test#SetFilename('../test_c_projects/hpp_file_project/subdir/file.c')
-  let g:ale_c_clang_options = ''
-
-  AssertLinter 'clang',
-  \   ale#Escape('clang')
-  \   . ' -S -x c -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project'))
   \   . ' -'
 
@@ -131,99 +93,51 @@ Execute(The C ClangTidy handler should include 'include' directories for project
   \ . ' %s '
   \ . '-- -I' . ale#Escape(ale#path#Simplify(g:dir . '/../test_c_projects/makefile_project/include'))
 
-Execute(The C++ GCC handler should include 'include' directories for projects with a Makefile):
-  call ale#assert#SetUpLinterTest('cpp', 'gcc')
+Execute(The C++ cc linter should include 'include' directories for projects with a Makefile):
+  call ale#assert#SetUpLinterTest('cpp', 'cc')
   call ale#test#SetFilename('../test_c_projects/makefile_project/subdir/file.cpp')
-  let g:ale_cpp_gcc_options = ''
+  let g:ale_cpp_cc_options = ''
 
   AssertLinter 'gcc',
   \   ale#Escape('gcc')
   \   . ' -S -x c++ -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/include'))
   \   . ' -'
 
-Execute(The C++ GCC handler should include 'include' directories for projects with a configure file):
-  call ale#assert#SetUpLinterTest('cpp', 'gcc')
+Execute(The C++ cc linter should include 'include' directories for projects with a configure file):
+  call ale#assert#SetUpLinterTest('cpp', 'cc')
   call ale#test#SetFilename('../test_c_projects/configure_project/subdir/file.cpp')
-  let g:ale_cpp_gcc_options = ''
+  let g:ale_cpp_cc_options = ''
 
   AssertLinter 'gcc',
   \   ale#Escape('gcc')
   \   . ' -S -x c++ -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/configure_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/configure_project/include'))
   \   . ' -'
 
-Execute(The C++ GCC handler should include root directories for projects with .h files in them):
-  call ale#assert#SetUpLinterTest('cpp', 'gcc')
+Execute(The C++ cc linter should include root directories for projects with .h files in them):
+  call ale#assert#SetUpLinterTest('cpp', 'cc')
   call ale#test#SetFilename('../test_c_projects/h_file_project/subdir/file.cpp')
-  let g:ale_cpp_gcc_options = ''
+  let g:ale_cpp_cc_options = ''
 
   AssertLinter 'gcc',
   \   ale#Escape('gcc')
   \   . ' -S -x c++ -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project'))
   \   . ' -'
 
-Execute(The C++ GCC handler should include root directories for projects with .hpp files in them):
-  call ale#assert#SetUpLinterTest('cpp', 'gcc')
+Execute(The C++ cc linter should include root directories for projects with .hpp files in them):
+  call ale#assert#SetUpLinterTest('cpp', 'cc')
   call ale#test#SetFilename('../test_c_projects/hpp_file_project/subdir/file.cpp')
-  let g:ale_cpp_gcc_options = ''
+  let g:ale_cpp_cc_options = ''
 
   AssertLinter 'gcc',
   \   ale#Escape('gcc')
   \   . ' -S -x c++ -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project'))
-  \   . ' -'
-
-Execute(The C++ Clang handler should include 'include' directories for projects with a Makefile):
-  call ale#assert#SetUpLinterTest('cpp', 'clang')
-  call ale#test#SetFilename('../test_c_projects/makefile_project/subdir/file.cpp')
-  let g:ale_cpp_clang_options = ''
-
-  AssertLinter 'clang++',
-  \   ale#Escape('clang++')
-  \   . ' -S -x c++ -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/makefile_project/include'))
-  \   . ' -'
-
-Execute(The C++ Clang handler should include 'include' directories for projects with a configure file):
-  call ale#assert#SetUpLinterTest('cpp', 'clang')
-  call ale#test#SetFilename('../test_c_projects/configure_project/subdir/file.cpp')
-  let g:ale_cpp_clang_options = ''
-
-  AssertLinter 'clang++',
-  \   ale#Escape('clang++')
-  \   . ' -S -x c++ -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/configure_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/configure_project/include'))
-  \   . ' -'
-
-Execute(The C++ Clang handler should include root directories for projects with .h files in them):
-  call ale#assert#SetUpLinterTest('cpp', 'clang')
-  call ale#test#SetFilename('../test_c_projects/h_file_project/subdir/file.cpp')
-  let g:ale_cpp_clang_options = ''
-
-  AssertLinter 'clang++',
-  \   ale#Escape('clang++')
-  \   . ' -S -x c++ -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project/subdir'))
-  \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/h_file_project'))
-  \   . ' -'
-
-Execute(The C++ Clang handler should include root directories for projects with .hpp files in them):
-  call ale#assert#SetUpLinterTest('cpp', 'clang')
-  call ale#test#SetFilename('../test_c_projects/hpp_file_project/subdir/file.cpp')
-  let g:ale_cpp_clang_options = ''
-
-  AssertLinter 'clang++',
-  \   ale#Escape('clang++')
-  \   . ' -S -x c++ -fsyntax-only'
-  \   . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project/subdir'))
+  \   . ' -iquote %s:h'
   \   . ' -I' . ale#Escape(ale#path#Simplify(g:dir .  '/../test_c_projects/hpp_file_project'))
   \   . ' -'
 
diff --git a/test/command_callback/test_cpp_cc_command_callbacks.vader b/test/command_callback/test_cpp_cc_command_callbacks.vader
new file mode 100644
index 00000000..dec3a07c
--- /dev/null
+++ b/test/command_callback/test_cpp_cc_command_callbacks.vader
@@ -0,0 +1,55 @@
+Before:
+  Save g:ale_c_parse_makefile
+  Save g:ale_history_enabled
+
+  let g:ale_c_parse_makefile = 0
+  let g:ale_history_enabled = 0
+
+  let g:get_cflags_return_value = ''
+  let g:executable_map = {}
+
+  runtime autoload/ale/c.vim
+  runtime autoload/ale/engine.vim
+
+  function! ale#engine#IsExecutable(buffer, executable) abort
+    return has_key(g:executable_map, a:executable)
+  endfunction
+
+  function! ale#c#GetCFlags(buffer, output) abort
+    return g:get_cflags_return_value
+  endfunction
+
+  call ale#assert#SetUpLinterTest('cpp', 'cc')
+
+  let b:command_tail = ' -S -x c++'
+  \   . ' -o ' . (has('win32') ? 'nul': '/dev/null')
+  \   . ' -iquote %s:h'
+  \   . ' -std=c++14 -Wall -'
+
+After:
+  unlet! g:get_cflags_return_value
+  unlet! g:executable_map
+  unlet! b:command_tail
+
+  runtime autoload/ale/c.vim
+  runtime autoload/ale/engine.vim
+
+  call ale#assert#TearDownLinterTest()
+
+Execute(clang++ should be used instead of gcc, if available):
+  let g:executable_map = {'clang++': 1}
+
+  AssertLinter 'clang++', [ale#Escape('clang++') . b:command_tail]
+
+Execute(The executable should be configurable):
+  AssertLinter 'gcc', [ale#Escape('gcc') . b:command_tail]
+
+  let b:ale_cpp_cc_executable = 'foobar'
+
+  AssertLinter 'foobar', [ale#Escape('foobar') . b:command_tail]
+
+Execute(The -std flag should be replaced by parsed C flags):
+  let b:command_tail = substitute(b:command_tail, 'c++14', 'c++11 ', '')
+  let g:get_cflags_return_value = '-std=c++11'
+
+  AssertLinter 'gcc', ale#Escape('gcc') . b:command_tail
diff --git a/test/command_callback/test_cpp_clang_command_callbacks.vader b/test/command_callback/test_cpp_clang_command_callbacks.vader
deleted file mode 100644
index e96fd8e7..00000000
--- a/test/command_callback/test_cpp_clang_command_callbacks.vader
+++ /dev/null
@@ -1,19 +0,0 @@
-Before:
-  Save g:ale_c_parse_makefile
-  let g:ale_c_parse_makefile = 0
-
-  call ale#assert#SetUpLinterTest('cpp', 'clang')
-  let b:command_tail = ' -S -x c++ -fsyntax-only -iquote'
-  \   . ' ' . ale#Escape(getcwd())
-  \   . ' -std=c++14 -Wall -'
-
-After:
-  unlet! b:command_tail
-  call ale#assert#TearDownLinterTest()
-
-Execute(The executable should be configurable):
-  AssertLinter 'clang++', ale#Escape('clang++') . b:command_tail
-
-  let b:ale_cpp_clang_executable = 'foobar'
-
-  AssertLinter 'foobar', ale#Escape('foobar') . b:command_tail
diff --git a/test/command_callback/test_cpp_gcc_command_callbacks.vader b/test/command_callback/test_cpp_gcc_command_callbacks.vader
deleted file mode 100644
index cfa4ecc0..00000000
--- a/test/command_callback/test_cpp_gcc_command_callbacks.vader
+++ /dev/null
@@ -1,20 +0,0 @@
-Before:
-  Save g:ale_c_parse_makefile
-  let g:ale_c_parse_makefile = 0
-
-  call ale#assert#SetUpLinterTest('cpp', 'gcc')
-  let b:command_tail = ' -S -x c++'
-  \   . ' -o ' . (has('win32') ? 'nul': '/dev/null')
-  \   . ' -iquote ' . ale#Escape(getcwd())
-  \   . ' -std=c++14 -Wall -'
-
-After:
-  unlet! b:command_tail
-  call ale#assert#TearDownLinterTest()
-
-Execute(The executable should be configurable):
-  AssertLinter 'gcc', ale#Escape('gcc') . b:command_tail
-
-  let b:ale_cpp_gcc_executable = 'foobar'
-
-  AssertLinter 'foobar', ale#Escape('foobar') . b:command_tail
diff --git a/test/command_callback/test_elixir_credo.vader b/test/command_callback/test_elixir_credo.vader
index 1a146db8..3eb88846 100644
--- a/test/command_callback/test_elixir_credo.vader
+++ b/test/command_callback/test_elixir_credo.vader
@@ -8,6 +8,18 @@ After:
 
   call ale#assert#TearDownLinterTest()
 
+Execute(Builds credo command with normal project):
+  AssertLinter 'mix',
+  \ ale#path#CdString(ale#path#Simplify(g:dir . '/elixir_paths/mix_project'))
+  \ . 'mix help credo && mix credo suggest --format=flycheck --read-from-stdin %s'
+
+Execute(Builds credo command with umbrella project):
+  call ale#test#SetFilename('elixir_paths/umbrella_project/apps/mix_project/lib/app.ex')
+
+  AssertLinter 'mix',
+  \ ale#path#CdString(ale#path#Simplify(g:dir . '/elixir_paths/umbrella_project'))
+  \ . 'mix help credo && mix credo suggest --format=flycheck --read-from-stdin %s'
+
 Execute(Builds credo command with --strict mode when set to 1):
   let g:ale_elixir_credo_strict = 1
 
diff --git a/test/command_callback/test_embertemplatelint_command_callbacks.vader b/test/command_callback/test_embertemplatelint_command_callbacks.vader
new file mode 100644
index 00000000..97687d29
--- /dev/null
+++ b/test/command_callback/test_embertemplatelint_command_callbacks.vader
@@ -0,0 +1,17 @@
+Before:
+  call ale#assert#SetUpLinterTest('handlebars', 'embertemplatelint')
+
+  GivenCommandOutput ['1.6.0']
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(ember-template-lint executables runs the right command):
+  AssertLinter 'ember-template-lint',
+  \ ale#Escape('ember-template-lint') . ' --json --filename %s'
+
+Execute(old ember-template-lint executables runs the right command):
+  GivenCommandOutput []
+
+  AssertLinter 'ember-template-lint',
+  \ ale#Escape('ember-template-lint') . ' --json %t'
diff --git a/test/command_callback/test_flake8_command_callback.vader b/test/command_callback/test_flake8_command_callback.vader
index f082a63a..09f64ee3 100644
--- a/test/command_callback/test_flake8_command_callback.vader
+++ b/test/command_callback/test_flake8_command_callback.vader
@@ -34,13 +34,52 @@ Execute(The flake8 callbacks should return the correct default values):
   \]
 
 Execute(The option for disabling changing directories should work):
-  let g:ale_python_flake8_change_directory = 0
+  let g:ale_python_flake8_change_directory = 'off'
 
   AssertLinter 'flake8', [
   \ ale#Escape('flake8') . ' --version',
   \ ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
   \]
 
+  let g:ale_python_flake8_change_directory = 0
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+  " Invalid options should be considered the same as turning the setting off.
+  let g:ale_python_flake8_change_directory = 'xxx'
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+Execute(The option for changing directory to project root should work):
+  silent execute 'file ' . fnameescape(g:dir . '/python_paths/namespace_package_tox/namespace/foo/bar.py')
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --version',
+  \ ale#path#CdString(ale#python#FindProjectRootIni(bufnr('')))
+  \   . ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+Execute(The option for changing directory to file dir should work):
+  let g:ale_python_flake8_change_directory = 'file'
+  silent execute 'file ' . fnameescape(g:dir . '/python_paths/namespace_package_tox/namespace/foo/bar.py')
+
+  AssertLinter 'flake8', [
+  \ ale#Escape('flake8') . ' --version',
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
+  let g:ale_python_flake8_change_directory = 1
+
+  AssertLinter 'flake8', [
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('flake8') . ' --format=default --stdin-display-name %s -',
+  \]
+
 Execute(The flake8 command callback should let you set options):
   let g:ale_python_flake8_options = '--some-option'
 
@@ -163,5 +202,5 @@ Execute(Pipenv is detected when python_flake8_auto_pipenv is set):
   call ale#test#SetFilename('../python_fixtures/pipenv/whatever.py')
 
   AssertLinter 'pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(ale#python#FindProjectRootIni(bufnr('')))
   \   . ale#Escape('pipenv') . ' run flake8 --format=default --stdin-display-name %s -'
diff --git a/test/command_callback/test_gobuild_command_callback.vader b/test/command_callback/test_gobuild_command_callback.vader
index fdf23866..063f3f2f 100644
--- a/test/command_callback/test_gobuild_command_callback.vader
+++ b/test/command_callback/test_gobuild_command_callback.vader
@@ -11,14 +11,14 @@ After:
 
 Execute(The default commands should be correct):
   AssertLinter 'go',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . 'go test -c -o /dev/null ./'
 
 Execute(Go environment variables should be supported):
   let b:ale_go_go111module = 'on'
 
   AssertLinter 'go',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Env('GO111MODULE', 'on')
   \   . 'go test -c -o /dev/null ./'
 
@@ -28,7 +28,7 @@ Execute(Extra options should be supported):
   let g:ale_go_gobuild_options = '--foo-bar'
 
   AssertLinter 'go',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . 'go test --foo-bar -c -o /dev/null ./'
 
   let g:ale_go_gobuild_options = ''
@@ -37,5 +37,5 @@ Execute(The executable should be configurable):
   let g:ale_go_go_executable = 'foobar'
 
   AssertLinter 'foobar',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . 'foobar test -c -o /dev/null ./'
diff --git a/test/command_callback/test_gofmt_command_callback.vader b/test/command_callback/test_gofmt_command_callback.vader
index 4da1f6c8..88b2e6b0 100644
--- a/test/command_callback/test_gofmt_command_callback.vader
+++ b/test/command_callback/test_gofmt_command_callback.vader
@@ -1,5 +1,8 @@
 Before:
   Save g:ale_go_go111module
+  Save b:ale_go_go111module
+
+  let b:ale_go_go111module = ''
 
   call ale#assert#SetUpLinterTest('go', 'gofmt')
   call ale#test#SetFilename('../go_files/testfile2.go')
diff --git a/test/command_callback/test_golangci_lint_command_callback.vader b/test/command_callback/test_golangci_lint_command_callback.vader
index 7f1e2ac4..37fb1f7d 100644
--- a/test/command_callback/test_golangci_lint_command_callback.vader
+++ b/test/command_callback/test_golangci_lint_command_callback.vader
@@ -13,7 +13,7 @@ After:
 
 Execute(The golangci-lint defaults should be correct):
   AssertLinter 'golangci-lint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('golangci-lint')
   \   . ' run ' . ale#Escape(expand('%' . ':t'))
   \   . ' --enable-all'
@@ -22,7 +22,7 @@ Execute(The golangci-lint callback should use a configured executable):
   let b:ale_go_golangci_lint_executable = 'something else'
 
   AssertLinter 'something else',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('something else')
   \   . ' run ' . ale#Escape(expand('%' . ':t'))
   \   . ' --enable-all'
@@ -31,7 +31,7 @@ Execute(The golangci-lint callback should use configured options):
   let b:ale_go_golangci_lint_options = '--foobar'
 
   AssertLinter 'golangci-lint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('golangci-lint')
   \   . ' run ' . ale#Escape(expand('%' . ':t'))
   \   . ' --foobar'
@@ -40,7 +40,7 @@ Execute(The golangci-lint callback should support environment variables):
   let b:ale_go_go111module = 'on'
 
   AssertLinter 'golangci-lint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Env('GO111MODULE', 'on')
   \   . ale#Escape('golangci-lint')
   \   . ' run ' . ale#Escape(expand('%' . ':t'))
@@ -50,5 +50,5 @@ Execute(The golangci-lint `lint_package` option should use the correct command):
   let b:ale_go_golangci_lint_package = 1
 
   AssertLinter 'golangci-lint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('golangci-lint') . ' run --enable-all'
diff --git a/test/command_callback/test_gometalinter_command_callback.vader b/test/command_callback/test_gometalinter_command_callback.vader
index d922efc6..567997d8 100644
--- a/test/command_callback/test_gometalinter_command_callback.vader
+++ b/test/command_callback/test_gometalinter_command_callback.vader
@@ -13,7 +13,7 @@ After:
 
 Execute(The gometalinter defaults should be correct):
   AssertLinter 'gometalinter',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('gometalinter')
   \   . ' --include=' . ale#Escape(ale#util#EscapePCRE(expand('%' . ':t')))
   \   . ' .'
@@ -22,7 +22,7 @@ Execute(The gometalinter callback should use a configured executable):
   let b:ale_go_gometalinter_executable = 'something else'
 
   AssertLinter 'something else',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('something else')
   \   . ' --include=' . ale#Escape(ale#util#EscapePCRE(expand('%' . ':t')))
   \   . ' .'
@@ -31,7 +31,7 @@ Execute(The gometalinter callback should use configured options):
   let b:ale_go_gometalinter_options = '--foobar'
 
   AssertLinter 'gometalinter',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('gometalinter')
   \   . ' --include=' . ale#Escape(ale#util#EscapePCRE(expand('%' . ':t')))
   \   . ' --foobar' . ' .'
@@ -40,7 +40,7 @@ Execute(The gometalinter should use configured environment variables):
   let b:ale_go_go111module = 'off'
 
   AssertLinter 'gometalinter',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Env('GO111MODULE', 'off')
   \   . ale#Escape('gometalinter')
   \   . ' --include=' . ale#Escape(ale#util#EscapePCRE(expand('%' . ':t')))
@@ -50,5 +50,5 @@ Execute(The gometalinter `lint_package` option should use the correct command):
   let b:ale_go_gometalinter_lint_package = 1
 
   AssertLinter 'gometalinter',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('gometalinter') . ' .'
diff --git a/test/command_callback/test_gosimple_command_callback.vader b/test/command_callback/test_gosimple_command_callback.vader
index ee89eed8..b006f783 100644
--- a/test/command_callback/test_gosimple_command_callback.vader
+++ b/test/command_callback/test_gosimple_command_callback.vader
@@ -11,11 +11,12 @@ After:
 
 Execute(The default gosimple command should be correct):
   AssertLinter 'gosimple',
-  \ ale#path#CdString(expand('%:p:h')) . ' gosimple .'
+  \ ale#path#BufferCdString(bufnr(''))
+  \ . ' gosimple .'
 
 Execute(The gosimple command should support Go environment variables):
   let b:ale_go_go111module = 'on'
 
   AssertLinter 'gosimple',
-  \ ale#path#CdString(expand('%:p:h')) . ' '
-  \ . ale#Env('GO111MODULE', 'on') . 'gosimple .'
+  \ ale#path#BufferCdString(bufnr(''))
+  \ . ' ' . ale#Env('GO111MODULE', 'on') . 'gosimple .'
diff --git a/test/command_callback/test_gotype_command_callback.vader b/test/command_callback/test_gotype_command_callback.vader
index 1334fcff..204197d9 100644
--- a/test/command_callback/test_gotype_command_callback.vader
+++ b/test/command_callback/test_gotype_command_callback.vader
@@ -11,7 +11,8 @@ After:
 
 Execute(The default gotype command should be correct):
   AssertLinter 'gotype',
-  \ ale#path#CdString(expand('%:p:h')) . ' gotype -e .'
+  \ ale#path#BufferCdString(bufnr(''))
+  \ . ' gotype -e .'
 
 Execute(The gotype callback should ignore test files):
   call ale#test#SetFilename('bla_test.go')
@@ -22,6 +23,6 @@ Execute(The gotype callback should support Go environment variables):
   let b:ale_go_go111module = 'on'
 
   AssertLinter 'gotype',
-  \ ale#path#CdString(expand('%:p:h')) . ' '
-  \ . ale#Env('GO111MODULE', 'on')
+  \ ale#path#BufferCdString(bufnr(''))
+  \ . ' ' . ale#Env('GO111MODULE', 'on')
   \ . 'gotype -e .'
diff --git a/test/command_callback/test_govet_command_callback.vader b/test/command_callback/test_govet_command_callback.vader
index 59022180..0e1ea092 100644
--- a/test/command_callback/test_govet_command_callback.vader
+++ b/test/command_callback/test_govet_command_callback.vader
@@ -13,22 +13,22 @@ After:
   call ale#assert#TearDownLinterTest()
 
 Execute(The default command should be correct):
-  AssertLinter 'go', ale#path#CdString(expand('%:p:h')) . ' go vet  .'
+  AssertLinter 'go', ale#path#BufferCdString(bufnr('')) . ' go vet  .'
 
 Execute(Extra options should be supported):
   let g:ale_go_govet_options = '--foo-bar'
 
-  AssertLinter 'go', ale#path#CdString(expand('%:p:h')) . ' go vet  --foo-bar .'
+  AssertLinter 'go', ale#path#BufferCdString(bufnr('')) . ' go vet  --foo-bar .'
 
 Execute(The executable should be configurable):
   let g:ale_go_go_executable = 'foobar'
 
-  AssertLinter 'foobar', ale#path#CdString(expand('%:p:h')) . ' foobar vet  .'
+  AssertLinter 'foobar', ale#path#BufferCdString(bufnr('')) . ' foobar vet  .'
 
 Execute(Go environment variables should be supported):
   let b:ale_go_go111module = 'on'
 
   AssertLinter 'go',
-  \ ale#path#CdString(expand('%:p:h')) . ' '
+  \ ale#path#BufferCdString(bufnr('')) . ' '
   \ . ale#Env('GO111MODULE', 'on')
   \ . 'go vet  .'
diff --git a/test/command_callback/test_graphql_gqlint_command_callbacks.vader b/test/command_callback/test_graphql_gqlint_command_callbacks.vader
index 0f4e9770..e8ed0e5d 100644
--- a/test/command_callback/test_graphql_gqlint_command_callbacks.vader
+++ b/test/command_callback/test_graphql_gqlint_command_callbacks.vader
@@ -6,6 +6,6 @@ After:
 
 Execute(The linter should run from the directory of the file in the buffer):
   AssertLinter 'gqlint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . 'gqlint --reporter=simple'
   \   . ' %t'
diff --git a/test/command_callback/test_javac_command_callback.vader b/test/command_callback/test_javac_command_callback.vader
index d2eebf7a..ac898e5f 100644
--- a/test/command_callback/test_javac_command_callback.vader
+++ b/test/command_callback/test_javac_command_callback.vader
@@ -3,7 +3,7 @@ Before:
   call ale#test#SetFilename('dummy.java')
 
   let g:cp_sep = has('unix') ? ':' : ';'
-  let g:prefix = ale#path#CdString(expand('%:p:h'))
+  let g:prefix = ale#path#BufferCdString(bufnr(''))
   \ . ale#Escape('javac') . ' -Xlint'
 
   function! GetCommand(previous_output) abort
@@ -51,7 +51,7 @@ Execute(The executable should be configurable):
   let g:ale_java_javac_executable = 'foobar'
 
   AssertLinter 'foobar',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \ . ale#Escape('foobar') . ' -Xlint'
   \ . ' -d ' . ale#Escape('TEMP_DIR') . ' %t'
 
@@ -197,7 +197,8 @@ Execute(The javac callback should combine discovered sourcepath and manual ones)
   let b:command = ale_linters#java#javac#GetCommand(bufnr(''), [], {})
 
   AssertEqual
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/'),
   \     ale#path#Simplify(g:dir . '/java_paths/build/gen/main/'),
@@ -210,7 +211,8 @@ Execute(The javac callback should combine discovered sourcepath and manual ones)
   let b:command = ale_linters#java#javac#GetCommand(bufnr(''), [], {})
 
   AssertEqual
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/'),
   \     ale#path#Simplify(g:dir . '/java_paths/build/gen/main/'),
@@ -223,7 +225,8 @@ Execute(The javac callback should combine discovered sourcepath and manual ones)
   let b:command = ale_linters#java#javac#GetCommand(bufnr(''), [], {})
 
   AssertEqual
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/'),
   \     ale#path#Simplify(g:dir . '/java_paths/build/gen/main/')
@@ -238,7 +241,8 @@ Execute(The javac callback should combine discovered sourcepath and manual ones)
   let b:command = ale_linters#java#javac#GetCommand(bufnr(''), [], {})
 
   AssertEqual
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/'),
   \     ale#path#Simplify(g:dir . '/java_paths/build/gen/main/'),
@@ -253,7 +257,8 @@ Execute(The javac callback should detect source directories):
   call ale#engine#InitBufferInfo(bufnr(''))
 
   AssertLinter 'javac',
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/')
   \   )
@@ -272,7 +277,8 @@ Execute(The javac callback should combine detected source directories and classp
   \], {})
 
   AssertEqual
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -cp ' . ale#Escape(join(['/foo/bar.jar', '/xyz/abc.jar'], g:cp_sep))
   \   . ' -sourcepath ' . ale#Escape(
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/')
@@ -294,7 +300,8 @@ Execute(The javac callback should include src/test/java for test paths):
   call ale#engine#InitBufferInfo(bufnr(''))
 
   AssertLinter 'javac',
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths/src/main/java/'),
   \     ale#path#Simplify(g:dir . '/java_paths/src/test/java/'),
@@ -307,7 +314,8 @@ Execute(The javac callback should include src/main/jaxb when available):
   call ale#engine#InitBufferInfo(bufnr(''))
 
   AssertLinter 'javac',
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths_with_jaxb/src/main/java/'),
   \     ale#path#Simplify(g:dir . '/java_paths_with_jaxb/src/main/jaxb/'),
@@ -320,7 +328,8 @@ Execute(The javac callback should add -sourcepath even if src/java/main doesn't
   call ale#engine#InitBufferInfo(bufnr(''))
 
   AssertLinter 'javac',
-  \ ale#path#CdString(expand('%:p:h')) . ale#Escape('javac') . ' -Xlint'
+  \ ale#path#BufferCdString(bufnr(''))
+  \   . ale#Escape('javac') . ' -Xlint'
   \   . ' -sourcepath ' . ale#Escape(join([
   \     ale#path#Simplify(g:dir . '/java_paths_no_main/src/test/java/'),
   \   ], g:cp_sep))
diff --git a/test/command_callback/test_lintr_command_callback.vader b/test/command_callback/test_lintr_command_callback.vader
index 187d3875..ac4b419b 100644
--- a/test/command_callback/test_lintr_command_callback.vader
+++ b/test/command_callback/test_lintr_command_callback.vader
@@ -6,7 +6,7 @@ After:
 
 Execute(The default lintr command should be correct):
   AssertLinter 'Rscript',
-  \   ale#path#CdString(getcwd())
+  \   ale#path#BufferCdString(bufnr(''))
   \   . 'Rscript --vanilla -e '
   \   . ale#Escape('suppressPackageStartupMessages(library(lintr));'
   \   .            'lint(cache = FALSE, commandArgs(TRUE), '
@@ -17,7 +17,7 @@ Execute(The lintr options should be configurable):
   let b:ale_r_lintr_options = 'with_defaults(object_usage_linter = NULL)'
 
   AssertLinter 'Rscript',
-  \   ale#path#CdString(getcwd())
+  \   ale#path#BufferCdString(bufnr(''))
   \   . 'Rscript --vanilla -e '
   \   . ale#Escape('suppressPackageStartupMessages(library(lintr));'
   \   .            'lint(cache = FALSE, commandArgs(TRUE), '
@@ -28,7 +28,7 @@ Execute(If the lint_package flag is set, lintr::lint_package should be called):
   let b:ale_r_lintr_lint_package = 1
 
   AssertLinter 'Rscript',
-  \   ale#path#CdString(getcwd())
+  \   ale#path#BufferCdString(bufnr(''))
   \   . 'Rscript --vanilla -e '
   \   . ale#Escape('suppressPackageStartupMessages(library(lintr));'
   \   .            'lint_package(cache = FALSE, '
diff --git a/test/command_callback/test_markdown_markdownlint_command_callback.vader b/test/command_callback/test_markdown_markdownlint_command_callback.vader
new file mode 100644
index 00000000..12766cfd
--- /dev/null
+++ b/test/command_callback/test_markdown_markdownlint_command_callback.vader
@@ -0,0 +1,13 @@
+Before:
+  call ale#assert#SetUpLinterTest('markdown', 'markdownlint')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'markdownlint', ale#Escape('markdownlint') . ' %s'
+
+Execute(The options should be configurable):
+  let g:ale_markdown_markdownlint_options = '--config ~/custom/.markdownlintrc'
+
+  AssertLinter 'markdownlint', ale#Escape('markdownlint') . ' --config ~/custom/.markdownlintrc %s'
diff --git a/test/command_callback/test_mypy_command_callback.vader b/test/command_callback/test_mypy_command_callback.vader
index afa9f9af..b9b6ae70 100644
--- a/test/command_callback/test_mypy_command_callback.vader
+++ b/test/command_callback/test_mypy_command_callback.vader
@@ -75,14 +75,14 @@ Execute(Setting executable to 'pipenv' appends 'run mypy'):
   let g:ale_python_mypy_executable = 'path/to/pipenv'
 
   AssertLinter 'path/to/pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('path/to/pipenv') . ' run mypy'
   \   . ' --show-column-numbers  --shadow-file %s %t %s'
 
 Execute(Pipenv is detected when python_mypy_auto_pipenv is set):
   let g:ale_python_mypy_auto_pipenv = 1
-  call ale#test#SetFilename('/testplugin/test/python_fixtures/pipenv/whatever.py')
+  call ale#test#SetFilename('../python_fixtures/pipenv/whatever.py')
 
   AssertLinter 'pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pipenv') . ' run mypy --show-column-numbers  --shadow-file %s %t %s'
diff --git a/test/command_callback/test_nasm_nasm_command_callbacks.vader b/test/command_callback/test_nasm_nasm_command_callbacks.vader
index 8e077306..2bfe2b0d 100644
--- a/test/command_callback/test_nasm_nasm_command_callbacks.vader
+++ b/test/command_callback/test_nasm_nasm_command_callbacks.vader
@@ -2,9 +2,9 @@ Before:
   call ale#assert#SetUpLinterTest('nasm', 'nasm')
 
   let b:command_tail =
-  \ ' -X gnu -I ' . ale#Escape(getcwd() . (has('win32') ? '\' : '/')) . ' %s -o ' . (has('win32') ? 'NUL' : '/dev/null')
+  \ ' -X gnu -I %s:h' . (has('win32') ? '\' : '/') . ' %s -o ' . (has('win32') ? 'NUL' : '/dev/null')
   let b:command_tail_opt =
-  \ ' -X gnu -I ' . ale#Escape(getcwd() . (has('win32') ? '\' : '/')) . ' -w+orphan-labels %s -o ' . (has('win32') ? 'NUL' : '/dev/null')
+  \ ' -X gnu -I %s:h' . (has('win32') ? '\' : '/') . ' -w+orphan-labels %s -o ' . (has('win32') ? 'NUL' : '/dev/null')
 
 After:
   unlet! b:command_tail
@@ -23,7 +23,8 @@ Execute(The options should be configurable):
   let b:ale_nasm_nasm_options = '-w-macro-params'
 
   AssertLinter 'nasm', ale#Escape('nasm')
-  \ . ' -X gnu -I ' . ale#Escape(getcwd() . (has('win32') ? '\' : '/')) . ' -w-macro-params %s -o ' . (has('win32') ? 'NUL' : '/dev/null')
+  \ . ' -X gnu -I %s:h' . (has('win32') ? '\' : '/')
+  \ . ' -w-macro-params %s -o ' . (has('win32') ? 'NUL' : '/dev/null')
 
 Execute(The options should be used in command):
   let b:ale_nasm_nasm_options = '-w+orphan-labels'
diff --git a/test/command_callback/test_psalm_command_callbacks.vader b/test/command_callback/test_psalm_command_callbacks.vader
index 70b5af95..d32780e6 100644
--- a/test/command_callback/test_psalm_command_callbacks.vader
+++ b/test/command_callback/test_psalm_command_callbacks.vader
@@ -2,6 +2,9 @@ Before:
   call ale#assert#SetUpLinterTest('php', 'psalm')
 
 After:
+  unlet! g:i
+  unlet! g:matched
+
   if isdirectory(g:dir . '/.git')
     call delete(g:dir . '/.git', 'd')
   endif
@@ -22,19 +25,36 @@ Execute(Vendor executables should be detected):
   \   . '/psalm-project/vendor/bin/psalm'
   \ )) . ' --language-server'
 
+  let g:ale_php_psalm_use_global = 1
+
+  AssertLinter 'psalm',
+  \ ale#Escape('psalm') . ' --language-server'
+
 Execute(User provided options should be used):
-  let g:ale_psalm_langserver_options = '--my-user-provided-option my-value'
+  let g:ale_php_psalm_options = '--my-user-provided-option my-value'
 
   AssertLinter 'psalm',
   \ ale#Escape('psalm')
   \ . ' --language-server --my-user-provided-option my-value'
 
-
 Execute(The project path should be correct for .git directories):
   call ale#test#SetFilename('psalm-project/test.php')
+  let g:matched = 0
 
-  if !isdirectory(g:dir . '/.git')
-    call mkdir(g:dir . '/.git')
-  endif
+  for g:i in range(4)
+    if !isdirectory(g:dir . '/.git')
+      call mkdir(g:dir . '/.git')
+    endif
+
+    try
+      AssertLSPProject g:dir
+    catch /.+/
+    endtry
 
-  AssertLSPProject g:dir
+    let g:matched = 1
+    break
+  endfor
+
+  if !g:matched
+    AssertLSPProject g:dir
+  endif
diff --git a/test/command_callback/test_pydocstyle_command_callback.vader b/test/command_callback/test_pydocstyle_command_callback.vader
index 7e0df9ca..511443a6 100644
--- a/test/command_callback/test_pydocstyle_command_callback.vader
+++ b/test/command_callback/test_pydocstyle_command_callback.vader
@@ -1,5 +1,6 @@
 Before:
   call ale#assert#SetUpLinterTest('python', 'pydocstyle')
+  call ale#test#SetFilename('test.py')
 
 After:
   call ale#assert#TearDownLinterTest()
@@ -7,33 +8,33 @@ After:
 Execute(The pydocstyle command callback should return default string):
   AssertLinter 'pydocstyle',
   \ ale#path#BufferCdString(bufnr(''))
-  \   . ale#Escape('pydocstyle') . '  ' . ale#Escape('dummy.txt')
+  \   . ale#Escape('pydocstyle') . ' %s:t'
 
 Execute(The pydocstyle command callback should allow options):
   let g:ale_python_pydocstyle_options = '--verbose'
 
   AssertLinter 'pydocstyle',
   \ ale#path#BufferCdString(bufnr(''))
-  \   . ale#Escape('pydocstyle') . ' --verbose ' . ale#Escape('dummy.txt')
+  \   . ale#Escape('pydocstyle') . ' --verbose %s:t'
 
 Execute(The pydocstyle executable should be configurable):
   let g:ale_python_pydocstyle_executable = '~/.local/bin/pydocstyle'
 
   AssertLinter '~/.local/bin/pydocstyle',
   \ ale#path#BufferCdString(bufnr(''))
-  \   . ale#Escape('~/.local/bin/pydocstyle') . '  ' . ale#Escape('dummy.txt')
+  \   . ale#Escape('~/.local/bin/pydocstyle') . ' %s:t'
 
 Execute(Setting executable to 'pipenv' appends 'run pydocstyle'):
   let g:ale_python_pydocstyle_executable = 'path/to/pipenv'
 
   AssertLinter 'path/to/pipenv',
   \ ale#path#BufferCdString(bufnr(''))
-  \   . ale#Escape('path/to/pipenv') . ' run pydocstyle  ' . ale#Escape('dummy.txt')
+  \   . ale#Escape('path/to/pipenv') . ' run pydocstyle %s:t'
 
 Execute(Pipenv is detected when python_pydocstyle_auto_pipenv is set):
   let g:ale_python_pydocstyle_auto_pipenv = 1
-  call ale#test#SetFilename('/testplugin/test/python_fixtures/pipenv/whatever.py')
+  call ale#test#SetFilename('../python_fixtures/pipenv/whatever.py')
 
   AssertLinter 'pipenv',
   \ ale#path#BufferCdString(bufnr(''))
-  \   . ale#Escape('pipenv') . ' run pydocstyle  ' . ale#Escape('whatever.py')
+  \   . ale#Escape('pipenv') . ' run pydocstyle %s:t'
diff --git a/test/command_callback/test_pylama_command_callback.vader b/test/command_callback/test_pylama_command_callback.vader
index 417cb5c9..0aea9a93 100644
--- a/test/command_callback/test_pylama_command_callback.vader
+++ b/test/command_callback/test_pylama_command_callback.vader
@@ -14,7 +14,7 @@ After:
 
 Execute(The pylama command callback should return a default):
   AssertLinter 'pylama',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pylama') . b:command_tail
 
 Execute(The option for disabling changing directories should work):
@@ -26,14 +26,14 @@ Execute(The pylama executable should be configurable, and escaped properly):
   let g:ale_python_pylama_executable = 'executable with spaces'
 
   AssertLinter 'executable with spaces',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('executable with spaces') . b:command_tail
 
 Execute(The pylama command callback should let you set options):
   let g:ale_python_pylama_options = '--some-option'
 
   AssertLinter 'pylama',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pylama') . ' --some-option' . b:command_tail
 
 Execute(The pylama command callback should switch directories to the detected project root):
@@ -73,13 +73,13 @@ Execute(Setting executable to 'pipenv' appends 'run pylama'):
   let g:ale_python_pylama_executable = 'path/to/pipenv'
 
   AssertLinter 'path/to/pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('path/to/pipenv') . ' run pylama' . b:command_tail
 
 Execute(Pipenv is detected when python_pylama_auto_pipenv is set):
   let g:ale_python_pylama_auto_pipenv = 1
-  call ale#test#SetFilename('/testplugin/test/python_fixtures/pipenv/whatever.py')
+  call ale#test#SetFilename('../python_fixtures/pipenv/whatever.py')
 
   AssertLinter 'pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pipenv') . ' run pylama' . b:command_tail
diff --git a/test/command_callback/test_pylint_command_callback.vader b/test/command_callback/test_pylint_command_callback.vader
index c41c8398..755dd292 100644
--- a/test/command_callback/test_pylint_command_callback.vader
+++ b/test/command_callback/test_pylint_command_callback.vader
@@ -1,4 +1,8 @@
 Before:
+  Save g:ale_python_auto_pipenv
+
+  let g:ale_python_auto_pipenv = 0
+
   call ale#assert#SetUpLinterTest('python', 'pylint')
 
   let b:bin_dir = has('win32') ? 'Scripts' : 'bin'
@@ -13,7 +17,7 @@ After:
 
 Execute(The pylint callbacks should return the correct default values):
   AssertLinter 'pylint',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pylint') . ' ' . b:command_tail
 
 Execute(The option for disabling changing directories should work):
@@ -25,14 +29,14 @@ Execute(The pylint executable should be configurable, and escaped properly):
   let g:ale_python_pylint_executable = 'executable with spaces'
 
   AssertLinter 'executable with spaces',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('executable with spaces') . ' ' . b:command_tail
 
 Execute(The pylint command callback should let you set options):
   let g:ale_python_pylint_options = '--some-option'
 
   AssertLinter 'pylint',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pylint') . ' --some-option' . b:command_tail
 
 Execute(The pylint callbacks shouldn't detect virtualenv directories where they don't exist):
@@ -65,15 +69,15 @@ Execute(Setting executable to 'pipenv' appends 'run pylint'):
   let g:ale_python_pylint_executable = 'path/to/pipenv'
 
   AssertLinter 'path/to/pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('path/to/pipenv') . ' run pylint'
   \   . '  --output-format text --msg-template="{path}:{line}:{column}: {msg_id} ({symbol}) {msg}" --reports n %s'
 
 Execute(Pipenv is detected when python_pylint_auto_pipenv is set):
   let g:ale_python_pylint_auto_pipenv = 1
-  call ale#test#SetFilename('/testplugin/test/python_fixtures/pipenv/whatever.py')
+  call ale#test#SetFilename('../python_fixtures/pipenv/whatever.py')
 
   AssertLinter 'pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('pipenv') . ' run pylint'
   \   . '  --output-format text --msg-template="{path}:{line}:{column}: {msg_id} ({symbol}) {msg}" --reports n %s'
diff --git a/test/command_callback/test_pyrex_cython_command_callback.vader b/test/command_callback/test_pyrex_cython_command_callback.vader
index b9020f11..af86366a 100644
--- a/test/command_callback/test_pyrex_cython_command_callback.vader
+++ b/test/command_callback/test_pyrex_cython_command_callback.vader
@@ -6,8 +6,8 @@ After:
 
 Execute(The default cython command should be correct):
   AssertLinter 'cython', ale#Escape('cython')
-  \   . ' --working ' . ale#Escape(g:dir)
-  \   . ' --include-dir ' . ale#Escape(g:dir)
+  \   . ' --working %s:h'
+  \   . ' --include-dir %s:h'
   \   . ' --warning-extra'
   \   . ' --output-file ' . g:ale#util#nul_file . ' %t'
 
@@ -15,8 +15,8 @@ Execute(The cython executable should be configurable):
   let b:ale_pyrex_cython_executable = 'cython_foobar'
 
   AssertLinter 'cython_foobar', ale#Escape('cython_foobar')
-  \   . ' --working ' . ale#Escape(g:dir)
-  \   . ' --include-dir ' . ale#Escape(g:dir)
+  \   . ' --working %s:h'
+  \   . ' --include-dir %s:h'
   \   . ' --warning-extra'
   \   . ' --output-file ' . g:ale#util#nul_file . ' %t'
 
@@ -24,7 +24,7 @@ Execute(Additional cython options should be configurable):
   let b:ale_pyrex_cython_options = '--foobar'
 
   AssertLinter 'cython', ale#Escape('cython')
-  \   . ' --working ' . ale#Escape(g:dir)
-  \   . ' --include-dir ' . ale#Escape(g:dir)
+  \   . ' --working %s:h'
+  \   . ' --include-dir %s:h'
   \   . ' --foobar'
   \   . ' --output-file ' . g:ale#util#nul_file . ' %t'
diff --git a/test/command_callback/test_rubocop_command_callback.vader b/test/command_callback/test_rubocop_command_callback.vader
index 7f42a8c0..e7cc32e8 100644
--- a/test/command_callback/test_rubocop_command_callback.vader
+++ b/test/command_callback/test_rubocop_command_callback.vader
@@ -10,20 +10,17 @@ After:
 
 Execute(Executable should default to rubocop):
   AssertLinter 'rubocop', ale#Escape('rubocop')
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.rb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
 
 Execute(Should be able to set a custom executable):
   let g:ale_ruby_rubocop_executable = 'bin/rubocop'
 
   AssertLinter 'bin/rubocop' , ale#Escape('bin/rubocop')
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.rb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
 
 Execute(Setting bundle appends 'exec rubocop'):
   let g:ale_ruby_rubocop_executable = 'path to/bundle'
 
   AssertLinter 'path to/bundle', ale#Escape('path to/bundle')
   \   . ' exec rubocop'
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.rb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
diff --git a/test/command_callback/test_ruumba_command_callback.vader b/test/command_callback/test_ruumba_command_callback.vader
index 244b264a..9fa48903 100644
--- a/test/command_callback/test_ruumba_command_callback.vader
+++ b/test/command_callback/test_ruumba_command_callback.vader
@@ -10,20 +10,17 @@ After:
 
 Execute(Executable should default to ruumba):
   AssertLinter 'ruumba', ale#Escape('ruumba')
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.html.erb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
 
 Execute(Should be able to set a custom executable):
   let g:ale_eruby_ruumba_executable = 'bin/ruumba'
 
   AssertLinter 'bin/ruumba' , ale#Escape('bin/ruumba')
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.html.erb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
 
 Execute(Setting bundle appends 'exec ruumba'):
   let g:ale_eruby_ruumba_executable = 'path to/bundle'
 
   AssertLinter 'path to/bundle', ale#Escape('path to/bundle')
   \   . ' exec ruumba'
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.html.erb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
diff --git a/test/command_callback/test_shellcheck_command_callback.vader b/test/command_callback/test_shellcheck_command_callback.vader
index 1d5b056b..9fb5303a 100644
--- a/test/command_callback/test_shellcheck_command_callback.vader
+++ b/test/command_callback/test_shellcheck_command_callback.vader
@@ -2,7 +2,7 @@ Before:
   call ale#assert#SetUpLinterTest('sh', 'shellcheck')
   call ale#test#SetFilename('test.sh')
 
-  let b:prefix = ale#path#CdString(ale#path#Simplify(g:dir))
+  let b:prefix = ale#path#BufferCdString(bufnr(''))
   let b:suffix = ' -f gcc -'
 
 After:
diff --git a/test/command_callback/test_sqllint_command_callback.vader b/test/command_callback/test_sqllint_command_callback.vader
new file mode 100644
index 00000000..eea9b4e0
--- /dev/null
+++ b/test/command_callback/test_sqllint_command_callback.vader
@@ -0,0 +1,12 @@
+Before:
+  " Load the linter and set up a series of commands, reset linter variables,
+  " clear caches, etc.
+  "
+  " Vader's 'Save' command will be called here for linter variables.
+  call ale#assert#SetUpLinterTest('sql', 'sqllint')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'sql-lint', ['sql-lint']
diff --git a/test/command_callback/test_standardrb_command_callback.vader b/test/command_callback/test_standardrb_command_callback.vader
index 7bc1c976..108dd870 100644
--- a/test/command_callback/test_standardrb_command_callback.vader
+++ b/test/command_callback/test_standardrb_command_callback.vader
@@ -10,20 +10,17 @@ After:
 
 Execute(Executable should default to standardrb):
   AssertLinter 'standardrb', ale#Escape('standardrb')
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.rb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
 
 Execute(Should be able to set a custom executable):
   let g:ale_ruby_standardrb_executable = 'bin/standardrb'
 
   AssertLinter 'bin/standardrb' , ale#Escape('bin/standardrb')
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.rb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
 
 Execute(Setting bundle appends 'exec standardrb'):
   let g:ale_ruby_standardrb_executable = 'path to/bundle'
 
   AssertLinter 'path to/bundle', ale#Escape('path to/bundle')
   \   . ' exec standardrb'
-  \   . ' --format json --force-exclusion  --stdin '
-  \   . ale#Escape(ale#path#Simplify(g:dir . '/dummy.rb'))
+  \   . ' --format json --force-exclusion  --stdin %s'
diff --git a/test/command_callback/test_staticcheck_command_callback.vader b/test/command_callback/test_staticcheck_command_callback.vader
index ae0d3584..871a5510 100644
--- a/test/command_callback/test_staticcheck_command_callback.vader
+++ b/test/command_callback/test_staticcheck_command_callback.vader
@@ -11,7 +11,7 @@ After:
 
 Execute(The staticcheck callback should return the right defaults):
   AssertLinter 'staticcheck',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . 'staticcheck '
   \   . ale#Escape(expand('%' . ':t'))
 
@@ -19,7 +19,7 @@ Execute(The staticcheck callback should use configured options):
   let b:ale_go_staticcheck_options = '-test'
 
   AssertLinter 'staticcheck',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . 'staticcheck '
   \   . '-test ' . ale#Escape(expand('%' . ':t'))
 
@@ -27,13 +27,14 @@ Execute(The staticcheck `lint_package` option should use the correct command):
   let b:ale_go_staticcheck_lint_package = 1
 
   AssertLinter 'staticcheck',
-  \ ale#path#CdString(expand('%:p:h')) . 'staticcheck .',
+  \ ale#path#BufferCdString(bufnr(''))
+  \ . 'staticcheck .',
 
 Execute(The staticcheck callback should use the `GO111MODULE` option if set):
   let b:ale_go_go111module = 'off'
 
   AssertLinter 'staticcheck',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Env('GO111MODULE', 'off')
   \   . 'staticcheck '
   \   . ale#Escape(expand('%' . ':t'))
@@ -42,6 +43,6 @@ Execute(The staticcheck callback should use the `GO111MODULE` option if set):
   let b:ale_go_staticcheck_lint_package = 1
 
   AssertLinter 'staticcheck',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Env('GO111MODULE', 'off')
   \   . 'staticcheck .'
diff --git a/test/command_callback/test_swift_swiftformat_command_callbacks.vader b/test/command_callback/test_swift_swiftformat_command_callbacks.vader
new file mode 100644
index 00000000..7be20bf7
--- /dev/null
+++ b/test/command_callback/test_swift_swiftformat_command_callbacks.vader
@@ -0,0 +1,25 @@
+Before:
+  call ale#assert#SetUpLinterTest('swift', 'swiftformat')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(Should use default command when not in a swift package):
+  call ale#test#SetFilename('../swift-test-files/non-swift-package-project/src/folder/dummy.swift')
+
+  AssertLinter 'swift-format',
+  \ ale#Escape('swift-format') . ' --mode lint %t'
+
+Execute(Should use swift run when in a swift package):
+  call ale#test#SetFilename('../swift-test-files/swift-package-project/src/folder/dummy.swift')
+
+  AssertLinter 'swift',
+  \ ale#Escape('swift') . ' run swift-format --mode lint %t'
+
+Execute(Should let users configure a global executable and override local paths):
+  call ale#test#SetFilename('../swift-test-files/swift-package-project/src/folder/dummy.swift')
+
+  let g:ale_swift_swiftformat_executable = '/path/to/custom/swift-format'
+
+  AssertLinter '/path/to/custom/swift-format',
+  \ ale#Escape('/path/to/custom/swift-format') . ' --mode lint %t'
diff --git a/test/command_callback/test_tslint_command_callback.vader b/test/command_callback/test_tslint_command_callback.vader
index 229ccc96..cc5d2666 100644
--- a/test/command_callback/test_tslint_command_callback.vader
+++ b/test/command_callback/test_tslint_command_callback.vader
@@ -7,14 +7,14 @@ After:
 
 Execute(The default tslint command should be correct):
   AssertLinter 'tslint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('tslint') . ' --format json %t'
 
 Execute(The rules directory option should be included if set):
   let b:ale_typescript_tslint_rules_dir = '/foo/bar'
 
   AssertLinter 'tslint',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('tslint') . ' --format json'
   \   . ' -r ' . ale#Escape('/foo/bar')
   \   . ' %t'
@@ -23,5 +23,5 @@ Execute(The executable should be configurable and escaped):
   let b:ale_typescript_tslint_executable = 'foo bar'
 
   AssertLinter 'foo bar',
-  \ ale#path#CdString(expand('%:p:h'))
+  \ ale#path#BufferCdString(bufnr(''))
   \   . ale#Escape('foo bar') . ' --format json %t'
diff --git a/test/command_callback/test_vint_command_callback.vader b/test/command_callback/test_vint_command_callback.vader
index e0051f26..4ce277e8 100644
--- a/test/command_callback/test_vint_command_callback.vader
+++ b/test/command_callback/test_vint_command_callback.vader
@@ -1,7 +1,7 @@
 Before:
   call ale#assert#SetUpLinterTest('vim', 'vint')
   let b:command_tail = (has('nvim') ? ' --enable-neovim' : '')
-  \ . ' -f "{file_path}:{line_number}:{column_number}: {severity}: {description} (see {reference})" %t'
+  \ . ' -f "{file_path}:{line_number}:{column_number}: {severity}: {policy_name} - {description} (see {reference})" %t'
 
 After:
   unlet! b:bin_dir
diff --git a/test/command_callback/test_vulture_command_callback.vader b/test/command_callback/test_vulture_command_callback.vader
index d6c866b9..bacf8f12 100644
--- a/test/command_callback/test_vulture_command_callback.vader
+++ b/test/command_callback/test_vulture_command_callback.vader
@@ -12,7 +12,7 @@ After:
 
 Execute(The vulture command callback should lint file directory by default):
   AssertLinter 'vulture',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('vulture') . '  .'
 
 Execute(The vulture command callback should lint project root, when present):
@@ -31,14 +31,14 @@ Execute(The vulture executable should be configurable, and escaped properly):
   let g:ale_python_vulture_executable = 'executable with spaces'
 
   AssertLinter 'executable with spaces',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('executable with spaces') . '  .'
 
 Execute(The vulture command callback should let you set options):
   let g:ale_python_vulture_options = '--some-option'
 
   AssertLinter 'vulture',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('vulture') . ' --some-option .'
 
 Execute(The vulture command callback should detect virtualenv directories and switch to the project root):
@@ -64,5 +64,5 @@ Execute(Setting executable to 'pipenv' appends 'run vulture'):
   let g:ale_python_vulture_executable = 'path/to/pipenv'
 
   AssertLinter 'path/to/pipenv',
-  \ ale#path#BufferCdString(bufnr(''))
+  \ ale#path#CdString(expand('#' . bufnr('') . ':p:h'))
   \   . ale#Escape('path/to/pipenv') . ' run vulture' . '  .'