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-rw-r--r--autoload/ale.vim19
-rw-r--r--autoload/ale/assert.vim125
-rw-r--r--autoload/ale/engine.vim17
-rw-r--r--autoload/ale/fixers/tslint.vim2
-rw-r--r--autoload/ale/handlers/rails_best_practices.vim6
-rw-r--r--autoload/ale/handlers/tslint.vim13
-rw-r--r--autoload/ale/lsp_linter.vim20
7 files changed, 180 insertions, 22 deletions
diff --git a/autoload/ale.vim b/autoload/ale.vim
index f61418f6..26c73547 100644
--- a/autoload/ale.vim
+++ b/autoload/ale.vim
@@ -213,6 +213,25 @@ function! ale#Set(variable_name, default) abort
endif
endfunction
+" Given a string for adding to a command, return the string padded with a
+" space on the left if it is not empty. Otherwise return an empty string.
+"
+" This can be used for making command strings cleaner and easier to test.
+function! ale#Pad(string) abort
+ return !empty(a:string) ? ' ' . a:string : ''
+endfunction
+
+" Given a environment variable name and a value, produce part of a command for
+" setting an environment variable before running a command. The syntax will be
+" valid for cmd on Windows, or most shells on Unix.
+function! ale#Env(variable_name, value) abort
+ if has('win32')
+ return 'set ' . a:variable_name . '=' . ale#Escape(a:value) . ' && '
+ endif
+
+ return a:variable_name . '=' . ale#Escape(a:value) . ' '
+endfunction
+
" Escape a string suitably for each platform.
" shellescape does not work on Windows.
function! ale#Escape(str) abort
diff --git a/autoload/ale/assert.vim b/autoload/ale/assert.vim
index eae41596..55c39ee3 100644
--- a/autoload/ale/assert.vim
+++ b/autoload/ale/assert.vim
@@ -1,3 +1,9 @@
+let s:chain_results = []
+
+function! ale#assert#WithChainResults(...) abort
+ let s:chain_results = a:000
+endfunction
+
function! s:GetLinter() abort
let l:linters = ale#linter#GetLintersLoaded()
let l:filetype_linters = get(values(l:linters), 0, [])
@@ -21,15 +27,31 @@ function! ale#assert#Linter(expected_executable, expected_command) abort
let l:executable = ale#linter#GetExecutable(l:buffer, l:linter)
if has_key(l:linter, 'command_chain')
- let l:command = []
+ let l:callbacks = map(copy(l:linter.command_chain), 'v:val.callback')
- for l:chain_item in l:linter.command_chain
- if empty(l:command)
- call add(l:command, call(l:chain_item.callback, [l:buffer]))
+ " If the expected command is a string, just check the last one.
+ if type(a:expected_command) is type('')
+ if len(l:callbacks) is 1
+ let l:command = call(l:callbacks[0], [l:buffer])
else
- call add(l:command, call(l:chain_item.callback, [l:buffer, []]))
+ let l:input = get(s:chain_results, len(l:callbacks) - 2, [])
+ let l:command = call(l:callbacks[-1], [l:buffer, l:input])
endif
- endfor
+ else
+ let l:command = []
+ let l:chain_index = 0
+
+ for l:Callback in l:callbacks
+ if l:chain_index is 0
+ call add(l:command, call(l:Callback, [l:buffer]))
+ else
+ let l:input = get(s:chain_results, l:chain_index - 1, [])
+ call add(l:command, call(l:Callback, [l:buffer, l:input]))
+ endif
+
+ let l:chain_index += 1
+ endfor
+ endif
else
let l:command = ale#linter#GetCommand(l:buffer, l:linter)
" Replace %e with the escaped executable, so tests keep passing after
@@ -42,9 +64,96 @@ function! ale#assert#Linter(expected_executable, expected_command) abort
\ [l:executable, l:command]
endfunction
-command! -nargs=+ AssertLinter :call ale#assert#Linter(<args>)
+function! ale#assert#LinterNotExecuted() abort
+ let l:buffer = bufnr('')
+ let l:linter = s:GetLinter()
+ let l:executable = ale#linter#GetExecutable(l:buffer, l:linter)
+
+ Assert empty(l:executable), "The linter will be executed when it shouldn't be"
+endfunction
+
+function! ale#assert#LSPOptions(expected_options) abort
+ let l:buffer = bufnr('')
+ let l:linter = s:GetLinter()
+ let l:initialization_options = ale#lsp_linter#GetOptions(l:buffer, l:linter)
+
+ AssertEqual a:expected_options, l:initialization_options
+endfunction
+
+function! ale#assert#LSPLanguage(expected_language) abort
+ let l:buffer = bufnr('')
+ let l:linter = s:GetLinter()
+ let l:language = ale#util#GetFunction(l:linter.language_callback)(l:buffer)
+
+ AssertEqual a:expected_language, l:language
+endfunction
+
+function! ale#assert#LSPProject(expected_root) abort
+ let l:buffer = bufnr('')
+ let l:linter = s:GetLinter()
+ let l:root = ale#util#GetFunction(l:linter.project_root_callback)(l:buffer)
+
+ AssertEqual a:expected_root, l:root
+endfunction
" A dummy function for making sure this module is loaded.
-function! ale#assert#Init() abort
+function! ale#assert#SetUpLinterTest(filetype, name) abort
+ " Set up a marker so ALE doesn't create real random temporary filenames.
+ let g:ale_create_dummy_temporary_file = 1
+
+ " Remove current linters.
call ale#linter#Reset()
+ call ale#linter#PreventLoading(a:filetype)
+
+ let l:prefix = 'ale_' . a:filetype . '_' . a:name
+ let b:filter_expr = 'v:val[: len(l:prefix) - 1] is# l:prefix'
+
+ Save g:ale_c_build_dir
+ unlet! g:ale_c_build_dir
+
+ " Save and clear linter variables.
+ " We'll load the runtime file to reset them to defaults.
+ for l:key in filter(keys(g:), b:filter_expr)
+ execute 'Save g:' . l:key
+ unlet g:[l:key]
+ endfor
+
+ unlet! b:ale_c_build_dir
+
+ for l:key in filter(keys(b:), b:filter_expr)
+ unlet b:[l:key]
+ endfor
+
+ execute 'runtime ale_linters/' . a:filetype . '/' . a:name . '.vim'
+
+ call ale#test#SetDirectory('/testplugin/test/command_callback')
+
+ command! -nargs=+ WithChainResults :call ale#assert#WithChainResults(<args>)
+ command! -nargs=+ AssertLinter :call ale#assert#Linter(<args>)
+ command! -nargs=0 AssertLinterNotExecuted :call ale#assert#LinterNotExecuted()
+ command! -nargs=+ AssertLSPOptions :call ale#assert#LSPOptions(<args>)
+ command! -nargs=+ AssertLSPLanguage :call ale#assert#LSPLanguage(<args>)
+ command! -nargs=+ AssertLSPProject :call ale#assert#LSPProject(<args>)
+endfunction
+
+function! ale#assert#TearDownLinterTest() abort
+ unlet! g:ale_create_dummy_temporary_file
+ let s:chain_results = []
+
+ delcommand WithChainResults
+ delcommand AssertLinter
+ delcommand AssertLinterNotExecuted
+ delcommand AssertLSPOptions
+ delcommand AssertLSPLanguage
+ delcommand AssertLSPProject
+
+ call ale#test#RestoreDirectory()
+
+ Restore
+
+ call ale#linter#Reset()
+
+ if exists('*ale#semver#ResetVersionCache')
+ call ale#semver#ResetVersionCache()
+ endif
endfunction
diff --git a/autoload/ale/engine.vim b/autoload/ale/engine.vim
index cb4ba534..ec5ccb6d 100644
--- a/autoload/ale/engine.vim
+++ b/autoload/ale/engine.vim
@@ -96,8 +96,25 @@ function! ale#engine#ManageDirectory(buffer, directory) abort
call add(g:ale_buffer_info[a:buffer].temporary_directory_list, a:directory)
endfunction
+function! ale#engine#CreateFile(buffer) abort
+ " This variable can be set to 1 in tests to stub this out.
+ if get(g:, 'ale_create_dummy_temporary_file')
+ return 'TEMP'
+ endif
+
+ let l:temporary_file = ale#util#Tempname()
+ call ale#engine#ManageFile(a:buffer, l:temporary_file)
+
+ return l:temporary_file
+endfunction
+
" Create a new temporary directory and manage it in one go.
function! ale#engine#CreateDirectory(buffer) abort
+ " This variable can be set to 1 in tests to stub this out.
+ if get(g:, 'ale_create_dummy_temporary_file')
+ return 'TEMP_DIR'
+ endif
+
let l:temporary_directory = ale#util#Tempname()
" Create the temporary directory for the file, unreadable by 'other'
" users.
diff --git a/autoload/ale/fixers/tslint.vim b/autoload/ale/fixers/tslint.vim
index 4d905a08..b352af3a 100644
--- a/autoload/ale/fixers/tslint.vim
+++ b/autoload/ale/fixers/tslint.vim
@@ -2,7 +2,7 @@
" Description: Fixing files with tslint.
function! ale#fixers#tslint#Fix(buffer) abort
- let l:executable = ale_linters#typescript#tslint#GetExecutable(a:buffer)
+ let l:executable = ale#handlers#tslint#GetExecutable(a:buffer)
let l:tslint_config_path = ale#path#ResolveLocalPath(
\ a:buffer,
diff --git a/autoload/ale/handlers/rails_best_practices.vim b/autoload/ale/handlers/rails_best_practices.vim
deleted file mode 100644
index 51bafbb0..00000000
--- a/autoload/ale/handlers/rails_best_practices.vim
+++ /dev/null
@@ -1,6 +0,0 @@
-call ale#Set('ruby_rails_best_practices_options', '')
-call ale#Set('ruby_rails_best_practices_executable', 'rails_best_practices')
-
-function! ale#handlers#rails_best_practices#GetExecutable(buffer) abort
- return ale#Var(a:buffer, 'ruby_rails_best_practices_executable')
-endfunction
diff --git a/autoload/ale/handlers/tslint.vim b/autoload/ale/handlers/tslint.vim
new file mode 100644
index 00000000..90579344
--- /dev/null
+++ b/autoload/ale/handlers/tslint.vim
@@ -0,0 +1,13 @@
+function! ale#handlers#tslint#InitVariables() abort
+ call ale#Set('typescript_tslint_executable', 'tslint')
+ call ale#Set('typescript_tslint_config_path', '')
+ call ale#Set('typescript_tslint_rules_dir', '')
+ call ale#Set('typescript_tslint_use_global', get(g:, 'ale_use_global_executables', 0))
+ call ale#Set('typescript_tslint_ignore_empty_files', 0)
+endfunction
+
+function! ale#handlers#tslint#GetExecutable(buffer) abort
+ return ale#node#FindExecutable(a:buffer, 'typescript_tslint', [
+ \ 'node_modules/.bin/tslint',
+ \])
+endfunction
diff --git a/autoload/ale/lsp_linter.vim b/autoload/ale/lsp_linter.vim
index 31299fc5..6dc78e4c 100644
--- a/autoload/ale/lsp_linter.vim
+++ b/autoload/ale/lsp_linter.vim
@@ -114,6 +114,18 @@ function! ale#lsp_linter#HandleLSPResponse(conn_id, response) abort
endif
endfunction
+function! ale#lsp_linter#GetOptions(buffer, linter) abort
+ let l:initialization_options = {}
+
+ if has_key(a:linter, 'initialization_options_callback')
+ let l:initialization_options = ale#util#GetFunction(a:linter.initialization_options_callback)(a:buffer)
+ elseif has_key(a:linter, 'initialization_options')
+ let l:initialization_options = a:linter.initialization_options
+ endif
+
+ return l:initialization_options
+endfunction
+
" Given a buffer, an LSP linter, and a callback to register for handling
" messages, start up an LSP linter and get ready to receive errors or
" completions.
@@ -128,13 +140,7 @@ function! ale#lsp_linter#StartLSP(buffer, linter, callback) abort
return {}
endif
- let l:initialization_options = {}
-
- if has_key(a:linter, 'initialization_options_callback')
- let l:initialization_options = ale#util#GetFunction(a:linter.initialization_options_callback)(a:buffer)
- elseif has_key(a:linter, 'initialization_options')
- let l:initialization_options = a:linter.initialization_options
- endif
+ let l:initialization_options = ale#lsp_linter#GetOptions(a:buffer, a:linter)
if a:linter.lsp is# 'socket'
let l:address = ale#linter#GetAddress(a:buffer, a:linter)