18 files changed, 1089 insertions, 16 deletions
diff --git a/test/handler/test_ada_gcc_handler.vader b/test/handler/test_ada_gcc_handler.vader
new file mode 100644
index 00000000..06ddfe1f
--- /dev/null
+++ b/test/handler/test_ada_gcc_handler.vader
@@ -0,0 +1,36 @@
+Before:
+  runtime ale_linters/ada/gcc.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(The gcc handler for Ada should parse input correctly):
+  AssertEqual
+  \ [
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 8,
+  \     'col': 5,
+  \     'type': 'W',
+  \     'text': 'variable "X" is assigned but never read',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 6,
+  \     'col': 22,
+  \     'type': 'E',
+  \     'text': 'type definition expected',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 8,
+  \     'col': 9,
+  \     'type': 'E',
+  \     'text': 'aspect specifications not allowed here',
+  \   },
+  \ ],
+  \ ale_linters#ada#gcc#Handle(0, [
+  \   'foobar.adb:8:05: warning: variable "X" is assigned but never read',
+  \   'foobar.ads:6:22: type definition expected',
+  \   'foobar.ads:8:09: aspect specifications not allowed here',
+  \ ])
diff --git a/test/handler/test_checkstyle_handler.vader b/test/handler/test_checkstyle_handler.vader
index 2f1f0f8d..218fe344 100644
--- a/test/handler/test_checkstyle_handler.vader
+++ b/test/handler/test_checkstyle_handler.vader
@@ -26,3 +26,16 @@ Execute(The checkstyle handler should parse lines correctly):
   \   '[WARN] whatever:101: ''method def rcurly'' has incorrect indentation level 4, expected level should be 2. [Indentation]',
   \   '[WARN] whatever:63:3: Missing a Javadoc comment. [JavadocMethod]',
   \ ])
+
+Execute(The checkstyle handler should parse lines from older checkstyle versions correctly):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 289,
+  \     'text': '''method def modifier'' have incorrect indentation level 4, expected level should be 2.',
+  \     'type': 'W',
+  \   },
+  \ ],
+  \ ale_linters#java#checkstyle#Handle(666, [
+  \   '/home/languitar/src/rsb-java/rsb-java/src/main/java/rsb/Listener.java:289: warning: ''method def modifier'' have incorrect indentation level 4, expected level should be 2.',
+  \ ])
diff --git a/test/handler/test_clang_handler.vader b/test/handler/test_clang_handler.vader
index 278737a8..cc8eabd0 100644
--- a/test/handler/test_clang_handler.vader
+++ b/test/handler/test_clang_handler.vader
@@ -8,9 +8,20 @@ Execute(clang errors from included files should be parsed correctly):
   \     'type': 'E',
   \     'text': 'expected identifier or ''(''',
   \   },
+  \   {
+  \     'lnum': 3,
+  \     'text': 'Error found in header. See :ALEDetail',
+  \     'detail': join([
+  \       'In file included from <stdin>:3:',
+  \       'In file included from ./a.h:1:',
+  \       './b.h:1:1: error: expected identifier or ''(''',
+  \       '{{{',
+  \       '^',
+  \     ], "\n"),
+  \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
-  \   'In file included from test.c:3:',
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+  \   'In file included from <stdin>:3:',
   \   'In file included from ./a.h:1:',
   \   './b.h:1:1: error: expected identifier or ''(''',
   \   '{{{',
diff --git a/test/handler/test_credo_handler.vader b/test/handler/test_credo_handler.vader
index 5eb0e967..1fd54bb5 100644
--- a/test/handler/test_credo_handler.vader
+++ b/test/handler/test_credo_handler.vader
@@ -10,20 +10,44 @@ Execute(The credo handler should parse lines correctly):
   \   {
   \     'bufnr': 347,
   \     'lnum': 1,
+  \     'col': 24,
+  \     'text': 'This code can be refactored',
+  \     'type': 'W',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 1,
   \     'col': 4,
   \     'text': 'There is no whitespace around parentheses/brackets most of the time, but here there is.',
-  \     'type': 'E',
+  \     'type': 'W',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 5,
+  \     'col': 21,
+  \     'text': 'TODO comment',
+  \     'type': 'I',
   \   },
   \   {
   \     'bufnr': 347,
   \     'lnum': 26,
   \     'col': 0,
   \     'text': 'If/else blocks should not have a negated condition in `if`.',
+  \     'type': 'I',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 15,
+  \     'col': 1,
+  \     'text': 'Warning in the code',
   \     'type': 'W',
   \   },
   \ ],
   \ ale_linters#elixir#credo#Handle(347, [
   \   'This line should be ignored completely',
+  \   'lib/my_code/test.ex:1:24: F: This code can be refactored',
   \   'lib/filename.ex:1:4: C: There is no whitespace around parentheses/brackets most of the time, but here there is.',
+  \   'lib/my_code/test.ex:5:21: D: TODO comment',
   \   'lib/phoenix/channel.ex:26: R: If/else blocks should not have a negated condition in `if`.',
+  \   'lib/my_code/test.ex:15:1: W: Warning in the code',
   \ ])
diff --git a/test/handler/test_dockerfile_lint_handler.vader b/test/handler/test_dockerfile_lint_handler.vader
new file mode 100644
index 00000000..619b7bde
--- /dev/null
+++ b/test/handler/test_dockerfile_lint_handler.vader
@@ -0,0 +1,108 @@
+Before:
+  runtime ale_linters/dockerfile/dockerfile_lint.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(The dockerfile_lint handler should handle broken JSON):
+  AssertEqual
+  \ [],
+  \ ale_linters#dockerfile#dockerfile_lint#Handle(bufnr(''), ["{asdf"])
+
+Execute(The dockerfile_lint handler should handle an empty string response):
+  AssertEqual
+  \ [],
+  \ ale_linters#dockerfile#dockerfile_lint#Handle(bufnr(''), [])
+
+Execute(The dockerfile_lint handler should handle an empty result, even if it shouldn't happen):
+  AssertEqual
+  \ [],
+  \ ale_linters#dockerfile#dockerfile_lint#Handle(bufnr(''), ["{}"])
+
+Execute(The dockerfile_lint handler should handle a normal example):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': -1,
+  \     'type': 'E',
+  \     'text': "Required LABEL name/key 'Name' is not defined",
+  \   },
+  \   {
+  \     'lnum': -1,
+  \     'type': 'E',
+  \     'text': "Required LABEL name/key 'Version' is not defined",
+  \   },
+  \   {
+  \     'lnum': 3,
+  \     'type': 'I',
+  \     'text': "the MAINTAINER command is deprecated. MAINTAINER is deprecated in favor of using LABEL since Docker v1.13.0",
+  \   },
+  \   {
+  \     'lnum': -1,
+  \     'type': 'I',
+  \     'text': "There is no 'CMD' instruction",
+  \   },
+  \ ],
+  \ ale_linters#dockerfile#dockerfile_lint#Handle(bufnr(''), [
+  \  '{',
+  \  '  "error": {',
+  \  '    "count": 2,',
+  \  '    "data": [',
+  \  '      {',
+  \  "        \"message\": \"Required LABEL name/key 'Name' is not defined\",",
+  \  '        "line": -1,',
+  \  '        "level": "error",',
+  \  '        "lineContent": "",',
+  \  '        "reference_url": [',
+  \  '          "http://docs.projectatomic.io/container-best-practices/#",',
+  \  '          "_recommended_labels_for_your_project"',
+  \  '        ]',
+  \  '      },',
+  \  '      {',
+  \  "        \"message\": \"Required LABEL name/key 'Version' is not defined\",",
+  \  '        "line": -1,',
+  \  '        "level": "error",',
+  \  '        "lineContent": "",',
+  \  '        "reference_url": [',
+  \  '          "http://docs.projectatomic.io/container-best-practices/#",',
+  \  '          "_recommended_labels_for_your_project"',
+  \  '        ]',
+  \  '      }',
+  \  '    ]',
+  \  '  },',
+  \  '  "warn": {',
+  \  '    "count": 0,',
+  \  '    "data": []',
+  \  '  },',
+  \  '  "info": {',
+  \  '    "count": 2,',
+  \  '    "data": [',
+  \  '      {',
+  \  '        "label": "maintainer_deprecated",',
+  \  '        "regex": {},',
+  \  '        "level": "info",',
+  \  '        "message": "the MAINTAINER command is deprecated",',
+  \  '        "description": "MAINTAINER is deprecated in favor of using LABEL since Docker v1.13.0",',
+  \  '        "reference_url": [',
+  \  '          "https://github.com/docker/cli/blob/master/docs/deprecated.md",',
+  \  '          "#maintainer-in-dockerfile"',
+  \  '        ],',
+  \  '        "lineContent": "MAINTAINER Alexander Olofsson <ace@haxalot.com>",',
+  \  '        "line": 3',
+  \  '      },',
+  \  '      {',
+  \  '        "instruction": "CMD",',
+  \  '        "count": 1,',
+  \  '        "level": "info",',
+  \  "        \"message\": \"There is no 'CMD' instruction\",",
+  \  '        "description": "None",',
+  \  '        "reference_url": [',
+  \  '          "https://docs.docker.com/engine/reference/builder/",',
+  \  '          "#cmd"',
+  \  '        ]',
+  \  '      }',
+  \  '    ]',
+  \  '  },',
+  \  '  "summary": []',
+  \  '}',
+  \ ])
diff --git a/test/handler/test_eslint_handler.vader b/test/handler/test_eslint_handler.vader
index 2e8bfd2a..4a57927b 100644
--- a/test/handler/test_eslint_handler.vader
+++ b/test/handler/test_eslint_handler.vader
@@ -365,3 +365,15 @@ Execute(eslint should handle react errors correctly):
   \ ale#handlers#eslint#Handle(bufnr(''), [
   \  '/path/editor-help.jsx:59:9: Property should be placed on the same line as the component declaration [Error/react/jsx-first-prop-new-line]',
   \ ])
+
+Execute(Failing to connect to eslint_d should be handled correctly):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 1,
+  \     'text': 'Could not connect to eslint_d. Try updating eslint_d or killing it.',
+  \   },
+  \ ],
+  \ ale#handlers#eslint#Handle(bufnr(''), [
+  \  'Could not connect',
+  \ ])
diff --git a/test/handler/test_flake8_handler.vader b/test/handler/test_flake8_handler.vader
index efacdfb2..cdf20bc0 100644
--- a/test/handler/test_flake8_handler.vader
+++ b/test/handler/test_flake8_handler.vader
@@ -21,6 +21,7 @@ Execute(The flake8 handler should handle basic warnings and syntax errors):
   \   {
   \     'lnum': 6,
   \     'col': 6,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'text': 'indentation is not a multiple of four',
   \     'code': 'E111',
@@ -29,6 +30,7 @@ Execute(The flake8 handler should handle basic warnings and syntax errors):
   \   {
   \     'lnum': 7,
   \     'col': 6,
+  \     'vcol': 1,
   \     'type': 'W',
   \     'text': 'some warning',
   \     'code': 'W123',
@@ -37,6 +39,7 @@ Execute(The flake8 handler should handle basic warnings and syntax errors):
   \   {
   \     'lnum': 8,
   \     'col': 3,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'text': 'SyntaxError: invalid syntax',
   \     'code': 'E999',
@@ -54,6 +57,7 @@ Execute(The flake8 handler should set end column indexes for certain errors):
   \   {
   \     'lnum': 25,
   \     'col': 1,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'end_col': 3,
   \     'text': 'undefined name ''foo''',
@@ -62,6 +66,7 @@ Execute(The flake8 handler should set end column indexes for certain errors):
   \   {
   \     'lnum': 28,
   \     'col': 5,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'end_col': 9,
   \     'text': 'hello may be undefined, or defined from star imports: x',
@@ -70,6 +75,7 @@ Execute(The flake8 handler should set end column indexes for certain errors):
   \   {
   \     'lnum': 104,
   \     'col': 5,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'end_col': 12,
   \     'text': '''continue'' not properly in loop',
@@ -78,6 +84,7 @@ Execute(The flake8 handler should set end column indexes for certain errors):
   \   {
   \     'lnum': 106,
   \     'col': 5,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'end_col': 9,
   \     'text': '''break'' outside loop',
@@ -86,6 +93,7 @@ Execute(The flake8 handler should set end column indexes for certain errors):
   \   {
   \     'lnum': 109,
   \     'col': 5,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'end_col': 8,
   \     'text': 'local variable ''test'' is assigned to but never used',
@@ -143,6 +151,7 @@ Execute(The flake8 handler should handle names with spaces):
   \   {
   \     'lnum': 6,
   \     'col': 6,
+  \     'vcol': 1,
   \     'type': 'E',
   \     'text': 'indentation is not a multiple of four',
   \     'code': 'E111',
@@ -159,6 +168,7 @@ Execute(Warnings about trailing whitespace should be reported by default):
   \   {
   \     'lnum': 6,
   \     'col': 1,
+  \     'vcol': 1,
   \     'code': 'W291',
   \     'type': 'W',
   \     'sub_type': 'style',
@@ -167,6 +177,7 @@ Execute(Warnings about trailing whitespace should be reported by default):
   \   {
   \     'lnum': 6,
   \     'col': 1,
+  \     'vcol': 1,
   \     'code': 'W293',
   \     'type': 'W',
   \     'sub_type': 'style',
@@ -195,6 +206,7 @@ Execute(Warnings about trailing blank lines should be reported by default):
   \   {
   \     'lnum': 6,
   \     'col': 1,
+  \     'vcol': 1,
   \     'code': 'W391',
   \     'type': 'W',
   \     'sub_type': 'style',
@@ -221,6 +233,7 @@ Execute(F401 should be a warning):
   \   {
   \     'lnum': 6,
   \     'col': 1,
+  \     'vcol': 1,
   \     'code': 'F401',
   \     'type': 'W',
   \     'text': 'module imported but unused',
@@ -236,6 +249,7 @@ Execute(E112 should be a syntax error):
   \   {
   \     'lnum': 6,
   \     'col': 1,
+  \     'vcol': 1,
   \     'code': 'E112',
   \     'type': 'E',
   \     'text': 'expected an indented block',
diff --git a/test/handler/test_gcc_handler.vader b/test/handler/test_gcc_handler.vader
index 678d3f42..3daa9e60 100644
--- a/test/handler/test_gcc_handler.vader
+++ b/test/handler/test_gcc_handler.vader
@@ -1,7 +1,7 @@
 Execute(The GCC handler should ignore other lines of output):
   AssertEqual
   \ [],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \   'foo',
   \   'bar',
   \   'baz',
@@ -17,12 +17,24 @@ Execute(GCC errors from included files should be parsed correctly):
   \     'type': 'E',
   \     'text': 'expected identifier or ''('' before ''{'' token',
   \   },
+  \   {
+  \     'lnum': 3,
+  \     'col': 2,
+  \     'text': 'Error found in header. See :ALEDetail',
+  \     'detail': join([
+  \       'In file included from <stdin>:3:2:',
+  \       'broken.h:1:1: error: expected identifier or ''('' before ''{'' token',
+  \       ' {{{',
+  \       ' ^',
+  \     ], "\n"),
+  \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
-  \   'In file included from <stdin>:3:0:',
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+  \   'In file included from <stdin>:3:2:',
   \   'broken.h:1:1: error: expected identifier or ''('' before ''{'' token',
   \   ' {{{',
   \   ' ^',
+  \   'compilation terminated.',
   \ ])
 
   AssertEqual
@@ -34,13 +46,25 @@ Execute(GCC errors from included files should be parsed correctly):
   \     'type': 'E',
   \     'text': 'expected identifier or ''('' before ''{'' token',
   \   },
+  \   {
+  \     'lnum': 5,
+  \     'text': 'Error found in header. See :ALEDetail',
+  \     'detail': join([
+  \       'In file included from a.h:1:0,',
+  \       '                 from <stdin>:5:',
+  \       'b.h:1:1: error: expected identifier or ''('' before ''{'' token',
+  \       ' {{{',
+  \       ' ^',
+  \     ], "\n"),
+  \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \   'In file included from a.h:1:0,',
-  \   '                 from test.c:3:',
+  \   '                 from <stdin>:5:',
   \   'b.h:1:1: error: expected identifier or ''('' before ''{'' token',
   \   ' {{{',
   \   ' ^',
+  \   'compilation terminated.',
   \ ])
 
   AssertEqual
@@ -59,16 +83,31 @@ Execute(GCC errors from included files should be parsed correctly):
   \     'type': 'E',
   \     'text': 'unknown type name ''other_bad_type''',
   \   },
+  \   {
+  \     'lnum': 3,
+  \     'text': 'Error found in header. See :ALEDetail',
+  \     'detail': join([
+  \       'In file included from a.h:1:0,',
+  \       '                 from <stdin>:3:',
+  \       'b.h:1:1: error: unknown type name ‘bad_type’',
+  \       ' bad_type x;',
+  \       ' ^',
+  \       'b.h:2:1: error: unknown type name ‘other_bad_type’',
+  \       ' other_bad_type y;',
+  \       ' ^',
+  \     ], "\n"),
+  \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \   'In file included from a.h:1:0,',
-  \   '                 from test.c:3:',
+  \   '                 from <stdin>:3:',
   \   'b.h:1:1: error: unknown type name ‘bad_type’',
   \   ' bad_type x;',
   \   ' ^',
   \   'b.h:2:1: error: unknown type name ‘other_bad_type’',
   \   ' other_bad_type y;',
   \   ' ^',
+  \   'compilation terminated.',
   \ ])
 
 Execute(The GCC handler shouldn't complain about #pragma once for headers):
@@ -76,7 +115,7 @@ Execute(The GCC handler shouldn't complain about #pragma once for headers):
 
   AssertEqual
   \ [],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \   '<stdin>:1:1: warning: #pragma once in main file [enabled by default]',
   \ ])
 
@@ -84,7 +123,7 @@ Execute(The GCC handler shouldn't complain about #pragma once for headers):
 
   AssertEqual
   \ [],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \   '<stdin>:1:1: warning: #pragma once in main file [enabled by default]',
   \ ])
 
@@ -119,7 +158,7 @@ Execute(The GCC handler should handle syntax errors):
   \     'text': 'expected '';'' before ''o'''
   \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \ '<stdin>:6:12: error: invalid suffix "p" on integer constant',
   \ '<stdin>:17:5: error: invalid suffix "n" on integer constant',
   \ '<stdin>:4: error: variable or field ''foo'' declared void',
@@ -130,11 +169,27 @@ Execute(The GCC handler should handle syntax errors):
 Execute(The GCC handler should handle notes with no previous message):
   AssertEqual
   \ [],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \   '<stdin>:1:1: note: x',
   \   '<stdin>:1:1: note: x',
   \ ])
 
+Execute(The GCC handler should attach notes to previous messages):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 6,
+  \     'col': 12,
+  \     'type': 'E',
+  \     'text': 'Some error',
+  \     'detail': "Some error\n<stdin>:1:1: note: x",
+  \   },
+  \ ],
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+  \   '-:6:12: error: Some error',
+  \   '<stdin>:1:1: note: x',
+  \ ])
+
 Execute(The GCC handler should interpret - as being the current file):
   AssertEqual
   \ [
@@ -145,7 +200,7 @@ Execute(The GCC handler should interpret - as being the current file):
   \     'text': 'Some error',
   \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \ '-:6:12: error: Some error',
   \ ])
 
@@ -159,6 +214,6 @@ Execute(The GCC handler should handle fatal error messages due to missing files)
   \     'text': 'foo.h: No such file or directory'
   \   },
   \ ],
-  \ ale#handlers#gcc#HandleGCCFormat(347, [
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
   \ '<stdin>:3:12: fatal error: foo.h: No such file or directory',
   \ ])
diff --git a/test/handler/test_gitlint_handler.vader b/test/handler/test_gitlint_handler.vader
index 60d632a0..5c531664 100644
--- a/test/handler/test_gitlint_handler.vader
+++ b/test/handler/test_gitlint_handler.vader
@@ -61,6 +61,19 @@ Execute(Disabling trailing whitespace warnings should work):
   \   '8: T2 Trailing whitespace',
   \])
 
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 8,
+  \     'type': 'E',
+  \     'text': 'Trailing whitespace',
+  \     'code': 'B2',
+  \   },
+  \ ],
+  \ ale_linters#gitcommit#gitlint#Handle(bufnr(''), [
+  \   '8: B2 Trailing whitespace',
+  \])
+
   let b:ale_warn_about_trailing_whitespace = 0
 
   AssertEqual
@@ -68,3 +81,9 @@ Execute(Disabling trailing whitespace warnings should work):
   \ ale_linters#gitcommit#gitlint#Handle(bufnr(''), [
   \   '8: T2 Trailing whitespace',
   \ ])
+
+  AssertEqual
+  \ [],
+  \ ale_linters#gitcommit#gitlint#Handle(bufnr(''), [
+  \   '8: B2 Trailing whitespace',
+  \ ])
diff --git a/test/handler/test_golangci_lint_handler.vader b/test/handler/test_golangci_lint_handler.vader
new file mode 100644
index 00000000..fb6841f4
--- /dev/null
+++ b/test/handler/test_golangci_lint_handler.vader
@@ -0,0 +1,55 @@
+Before:
+  runtime ale_linters/go/golangci_lint.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute (The golangci-lint handler should handle names with spaces):
+  " We can't test Windows paths with the path resovling on Linux, but we can
+  " test the regex.
+  AssertEqual
+  \ [
+  \   [
+  \     'C:\something\file with spaces.go',
+  \     '12',
+  \     '3',
+  \     'expected ''package'', found ''IDENT'' gibberish (staticcheck)',
+  \   ],
+  \   [
+  \     'C:\something\file with spaces.go',
+  \     '37',
+  \     '5',
+  \     'expected ''package'', found ''IDENT'' gibberish (golint)',
+  \   ],
+  \ ],
+  \ map(ale_linters#go#golangci_lint#GetMatches([
+  \   'C:\something\file with spaces.go:12:3: expected ''package'', found ''IDENT'' gibberish (staticcheck)',
+  \   'C:\something\file with spaces.go:37:5: expected ''package'', found ''IDENT'' gibberish (golint)',
+  \ ]), 'v:val[1:4]')
+
+Execute (The golangci-lint handler should handle paths correctly):
+  call ale#test#SetFilename('app/test.go')
+
+  let file = ale#path#GetAbsPath(expand('%:p:h'), 'test.go')
+
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 12,
+  \     'col': 3,
+  \     'text': 'expected ''package'', found ''IDENT'' gibberish (staticcheck)',
+  \     'type': 'E',
+  \     'filename': ale#path#Simplify(expand('%:p:h') . '/test.go'),
+  \   },
+  \   {
+  \     'lnum': 37,
+  \     'col': 5,
+  \     'text': 'expected ''package'', found ''IDENT'' gibberish (golint)',
+  \     'type': 'E',
+  \     'filename': ale#path#Simplify(expand('%:p:h') . '/test.go'),
+  \   },
+  \ ],
+  \ ale_linters#go#golangci_lint#Handler(bufnr(''), [
+  \   file . ':12:3: expected ''package'', found ''IDENT'' gibberish (staticcheck)',
+  \   file . ':37:5: expected ''package'', found ''IDENT'' gibberish (golint)',
+  \ ])
diff --git a/test/handler/test_haskell_stack_handler.vader b/test/handler/test_haskell_stack_handler.vader
new file mode 100644
index 00000000..07e7e69c
--- /dev/null
+++ b/test/handler/test_haskell_stack_handler.vader
@@ -0,0 +1,7 @@
+Before:
+  runtime ale/handlers/haskell_stack.vim
+
+Execute(Escape stack should correctly identify a stack exec command):
+  AssertEqual
+  \ ale#Escape('stack') . ' exec ' . ale#Escape('hlint') . ' --',
+  \ ale#handlers#haskell_stack#EscapeExecutable('stack', 'hlint')
diff --git a/test/handler/test_ispc_ispc_handler.vader b/test/handler/test_ispc_ispc_handler.vader
new file mode 100644
index 00000000..619773fe
--- /dev/null
+++ b/test/handler/test_ispc_ispc_handler.vader
@@ -0,0 +1,90 @@
+Before:
+  runtime ale_linters/ispc/ispc.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(The ispc handler should parse input correctly):
+  AssertEqual
+  \ [
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 33,
+  \     'col': 14,
+  \     'type': 'E',
+  \     'text': 'syntax error, unexpected ''int'', expecting '','' or '';''.',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 36,
+  \     'col': 5,
+  \     'type': 'E',
+  \     'text': 'syntax error, unexpected ''for''.',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 51,
+  \     'col': 9,
+  \     'type': 'E',
+  \     'text': '''foobar.h'' file not found',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 79,
+  \     'col': 52,
+  \     'type': 'W',
+  \     'text': 'Modulus operator with varying types is very inefficient.',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 85,
+  \     'col': 13,
+  \     'type': 'W',
+  \     'text': 'Undefined behavior: all program instances are writing to the same location!',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 93,
+  \     'col': 19,
+  \     'type': 'W',
+  \     'text': 'Gather required to load value.',
+  \   },
+  \   {
+  \     'bufnr': 0,
+  \     'lnum': 93,
+  \     'col': 9,
+  \     'type': 'W',
+  \     'text': 'Scatter required to store value.',
+  \   },
+  \ ],
+  \ ale_linters#ispc#ispc#Handle(0, [
+  \   'Warning: No output file or header file name specified. Program will be compiled and warnings/errors will be issued, but no output will be generated. ',
+  \   'Warning: No --target specified on command-line. Using default system target "avx2-i32x8".',
+  \   'mandelbrot.ispc:33:14: Error: syntax error, unexpected ''int'', expecting '','' or '';''.',
+  \   'static iline int mandel(float c_re, float c_im, int count) {',
+  \   '             ^^^',
+  \   '',
+  \   'mandelbrot.ispc:36:5: Error: syntax error, unexpected ''for''.',
+  \   '    for (i = 0; i < count; ++i) {',
+  \   '    ^^^',
+  \   '',
+  \   'mandelbrot.ispc:51:9: fatal error: ''foobar.h'' file not found',
+  \   '#include<foobar.h>',
+  \   '        ^~~~~~~~~~',
+  \   'mandelbrot.ispc:79:52: Performance Warning: Modulus operator with varying types is very inefficient.',
+  \   '                double x = x0 + i * (dx + epsilon*(k%2)*delta);',
+  \   '                                                   ^^^',
+  \   '',
+  \   'mandelbrot.ispc:85:13: Warning: Undefined behavior: all program instances are writing to the same location!',
+  \   '            output[index] = (NNN) / sample_size;',
+  \   '            ^^^^^^^^^^^^^',
+  \   '',
+  \   'mandelbrot.ispc:93:19: Performance Warning: Gather required to load value.',
+  \   '        A[i*8] *= A[i*8];',
+  \   '                  ^^^^^^',
+  \   '',
+  \   'mandelbrot.ispc:93:9: Performance Warning: Scatter required to store value.',
+  \   '        A[i*8] *= A[i*8];',
+  \   '        ^^^^^^',
+  \   '',
+  \ ])
diff --git a/test/handler/test_perl6_handler.vader b/test/handler/test_perl6_handler.vader
new file mode 100644
index 00000000..452a9174
--- /dev/null
+++ b/test/handler/test_perl6_handler.vader
@@ -0,0 +1,277 @@
+Before:
+  call ale#test#SetDirectory('/testplugin/test/handler')
+
+  runtime ale_linters/perl6/perl6.vim
+
+After:
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+Execute(The Perl6 linter should handle empty output):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual [], ale_linters#perl6#perl6#Handle(bufnr(''), [])
+
+Execute(The Perl6 linter should complain about undeclared variables):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \   {
+  \    'lnum': '6',
+  \    'text': 'Variable ''$tes'' is not declared. Did you mean any of these? $res $test ',
+  \    'type': 'E',
+  \    'col': '',
+  \    'end_lnum': '',
+  \    'code': 'X::Undeclared',
+  \   }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \ '{
+  \   "X::Undeclared" : {
+  \     "highexpect" : [ ],
+  \     "is-compile-time" : 1,
+  \     "modules" : [ ],
+  \     "column" : null,
+  \     "pos" : 18,
+  \     "symbol" : "$tes",
+  \     "filename" : "bar.pl6",
+  \     "what" : "Variable",
+  \     "pre" : "my $test = 0; say ",
+  \     "post" : "$tes",
+  \     "suggestions" : [
+  \       "$res",
+  \       "$test"
+  \     ],
+  \     "line" : 6,
+  \     "message" : "Variable ''$tes'' is not declared. Did you mean any of these?\n    $res\n    $test\n"
+  \   }
+  \ }'
+  \ ])
+
+Execute(The Perl6 linter should complain about Comp::AdHoc errors):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': '3',
+  \     'type': 'E',
+  \     'text': 'is repr(...) trait needs a parameter',
+  \     'col': '',
+  \     'end_lnum': '',
+  \     'code': 'X::Comp::AdHoc',
+  \   }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \ '{
+  \   "X::Comp::AdHoc" : {
+  \     "pre" : "class test is repr",
+  \     "message" : "is repr(...) trait needs a parameter",
+  \     "line" : 3,
+  \     "post" : " {}",
+  \     "is-compile-time" : true,
+  \     "pos" : 19,
+  \     "highexpect" : [ ],
+  \     "payload" : "is repr(...) trait needs a parameter",
+  \     "filename" : "bar.pl6",
+  \     "column" : null,
+  \     "modules" : [ ]
+  \   }
+  \ }'
+  \])
+
+Execute(The Perl6 linter should be able to extract a line number from an error message):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \   {
+  \    'lnum': '3',
+  \    'text': 'Could not find Module::Does::not::exist at line 3 in: /usr/share/perl6/site /usr/share/perl6/vendor /usr/share/perl6 CompUnit::Repository::AbsolutePath<94023691448416> CompUnit::Repository::NQP<94023670532736> CompUnit::Repository::Perl5<94023670532776>',
+  \    'col': '',
+  \    'type': 'E',
+  \    'end_lnum': '',
+  \    'code': 'X::CompUnit::UnsatisfiedDependency',
+  \   }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \ '{
+  \   "X::CompUnit::UnsatisfiedDependency" : {
+  \   "message" : "Could not find Module::Does::not::exist at line 3 in:\n    /usr/share/perl6/site\n    /usr/share/perl6/vendor\n    /usr/share/perl6\n    CompUnit::Repository::AbsolutePath<94023691448416>\n    CompUnit::Repository::NQP<94023670532736>\n    CompUnit::Repository::Perl5<94023670532776>",
+  \   "specification" : "Module::Does::not::exist"
+  \   }
+  \ }'
+  \ ])
+
+Execute(The Perl6 linter should be able to differentiate between warnings and errors):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \   {
+  \    'lnum': '1',
+  \    'col': '',
+  \    'code': 'X::Syntax::Regex::Unterminated',
+  \    'end_lnum': '',
+  \    'type': 'E',
+  \    'text': 'Regex not terminated.',
+  \   },
+  \   {
+  \    'lnum': '1',
+  \    'col': '',
+  \    'code': 'X::Comp::AdHoc',
+  \    'end_lnum': '',
+  \    'type': 'W',
+  \    'text': 'Space is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)',
+  \   }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \ '{
+  \   "X::Comp::Group" : {
+  \     "message" : "Regex not terminated.\nUnable to parse regex; couldn''t find final ''/''\nSpace is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)",
+  \     "panic" : "Unable to parse regex; couldn''t find final ''/''",
+  \     "sorrows" : [
+  \       {
+  \         "X::Syntax::Regex::Unterminated" : {
+  \           "highexpect" : [
+  \             "infix stopper"
+  \           ],
+  \           "pos" : 6,
+  \           "is-compile-time" : 1,
+  \           "modules" : [ ],
+  \           "post" : "<EOL>",
+  \           "message" : "Regex not terminated.",
+  \           "line" : 1,
+  \           "filename" : "bar.pl6",
+  \           "column" : null,
+  \           "pre" : "/win 3"
+  \         }
+  \       }
+  \     ],
+  \     "worries" : [
+  \       {
+  \         "X::Comp::AdHoc" : {
+  \           "filename" : "bar.pl6",
+  \           "line" : 1,
+  \           "column" : null,
+  \           "pre" : "/win",
+  \           "highexpect" : [ ],
+  \           "payload" : "Space is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)",
+  \           "post" : " 3",
+  \           "message" : "Space is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)",
+  \           "modules" : [ ],
+  \           "is-compile-time" : true,
+  \           "pos" : 4
+  \         }
+  \       }
+  \     ]
+  \   }
+  \ }'
+  \])
+
+Execute(The Perl6 linter should gracefully handle non-JSON messages):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \   {
+  \    'lnum': '1',
+  \    'text': 'Received output in the default Perl6 error format. See :ALEDetail for details',
+  \    'type': 'W',
+  \    'detail': join([
+  \    'Potential difficulties:',
+  \    '    Redeclaration of symbol ''$_''',
+  \    '    at /home/travis/perl6-error-fail/insanity-test.pl6:1',
+  \    '    ------>  sub foo($_) {.say}; my $_<HERE> = 1; .&foo;',
+  \    '    Space is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)',
+  \    '    at /home/travis/perl6-error-fail/insanity-test.pl6:4',
+  \    '    ------> /win<HERE> 3/',
+  \    'Syntax OK',], "\n")
+  \   }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \   'Potential difficulties:',
+  \   '    Redeclaration of symbol ''$_''',
+  \   '    at /home/travis/perl6-error-fail/insanity-test.pl6:1',
+  \   '    ------>  sub foo($_) {.say}; my $_<HERE> = 1; .&foo;',
+  \   '    Space is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)',
+  \   '    at /home/travis/perl6-error-fail/insanity-test.pl6:4',
+  \   '    ------> /win<HERE> 3/',
+  \   'Syntax OK'
+  \ ])
+
+Execute(The Perl6 linter should gracefully handle messages without a line number):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \    {
+  \     'lnum': '1',
+  \     'end_lnum': '',
+  \     'text': 'Cannot find method ''has_compile_time_value'' on object of type NQPMu',
+  \     'type': 'E',
+  \     'col' : '',
+  \     'code': 'X::AdHoc',
+  \    }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \   '{',
+  \     '"X::AdHoc" : {',
+  \       '"message" : "Cannot find method ''has_compile_time_value'' on object of type NQPMu",',
+  \       '"payload" : "Cannot find method ''has_compile_time_value'' on object of type NQPMu"',
+  \      '}',
+  \    '}',
+  \ ])
+
+Execute(The Perl6 linter should not include errors from a known separate file):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \ '{
+  \   "X::Undeclared" : {
+  \     "highexpect" : [ ],
+  \     "is-compile-time" : 1,
+  \     "modules" : [ ],
+  \     "column" : null,
+  \     "pos" : 18,
+  \     "symbol" : "$tes",
+  \     "filename" : "foo.pl6",
+  \     "what" : "Variable",
+  \     "pre" : "my $test = 0; say ",
+  \     "post" : "$tes",
+  \     "suggestions" : [
+  \       "$res",
+  \       "$test"
+  \     ],
+  \     "line" : 6,
+  \     "message" : "Variable ''$tes'' is not declared. Did you mean any of these?\n    $res\n    $test\n"
+  \   }
+  \ }'
+  \ ])
+
+Execute(The Perl6 linter should not ignore errors without a filename):
+  call ale#test#SetFilename('bar.pl6')
+
+  AssertEqual
+  \ [
+  \    {
+  \     'lnum': '3',
+  \     'end_lnum': '',
+  \     'text': 'Cannot find method ''has_compile_time_value'' on object of type NQPMu',
+  \     'type': 'E',
+  \     'col' : '',
+  \     'code': 'X::AdHoc',
+  \    }
+  \ ],
+  \ ale_linters#perl6#perl6#Handle(bufnr(''), [
+  \   '{',
+  \     '"X::AdHoc" : {',
+  \       '"line" : 3,',
+  \       '"message" : "Cannot find method ''has_compile_time_value'' on object of type NQPMu",',
+  \       '"payload" : "Cannot find method ''has_compile_time_value'' on object of type NQPMu"',
+  \      '}',
+  \    '}',
+  \ ])
diff --git a/test/handler/test_perl_handler.vader b/test/handler/test_perl_handler.vader
index c5791d76..e769550c 100644
--- a/test/handler/test_perl_handler.vader
+++ b/test/handler/test_perl_handler.vader
@@ -7,6 +7,11 @@ After:
   call ale#test#RestoreDirectory()
   call ale#linter#Reset()
 
+Execute(The Perl linter should handle empty output):
+  call ale#test#SetFilename('bar.pl')
+
+  AssertEqual [], ale_linters#perl#perl#Handle(bufnr(''), [])
+
 Execute(The Perl linter should ignore errors from other files):
   call ale#test#SetFilename('bar.pl')
 
diff --git a/test/handler/test_pmd_handler.vader b/test/handler/test_pmd_handler.vader
index 0c95fb2a..4f64c9ca 100644
--- a/test/handler/test_pmd_handler.vader
+++ b/test/handler/test_pmd_handler.vader
@@ -25,3 +25,18 @@ Execute(The pmd handler should parse lines correctly):
   \    '"1","rsb.performance.test.ros","/home/languitar/src/rsb-performance-test-api-ros/src/main/java/rsb/performance/test/ros/NodeHolder.java","3","18","Each class should declare at least one constructor","Code Style","AtLeastOneConstructor"',
   \    '"2","rsb.performance.test.ros","/home/languitar/src/rsb-performance-test-api-ros/src/main/java/rsb/performance/test/ros/NodeHolder.java","1","36","Local variable ''node'' could be declared final","Code Style","LocalVariableCouldBeFinal"'
   \ ])
+
+Execute(The pmd handler should parse lines correctly for java files that use unnamed packages):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 8,
+  \     'text': 'Avoid unused local variables such as ''stest''.',
+  \     'code': 'Best Practices - UnusedLocalVariable',
+  \     'type': 'W',
+  \   },
+  \ ],
+  \ ale_linters#java#pmd#Handle(666, [
+  \    '"Problem","Package","File","Priority","Line","Description","Rule set","Rule"',
+  \    '"1","","/Users/diego/Projects/github.com/dlresende/kata-fizz-buzz/src/main/java/App.java","3","8","Avoid unused local variables such as ''stest''.","Best Practices","UnusedLocalVariable"'
+  \ ])
diff --git a/test/handler/test_rust_handler.vader b/test/handler/test_rust_handler.vader
index e3ab3e86..4764e713 100644
--- a/test/handler/test_rust_handler.vader
+++ b/test/handler/test_rust_handler.vader
@@ -285,3 +285,148 @@ Execute(The Rust handler should find correct files):
   \     },
   \   }),
   \ ])
+
+Execute(The Rust handler should remove secondary spans if set):
+  call ale#test#SetFilename('src/noerrors/mod.rs')
+
+  let g:ale_rust_ignore_secondary_spans = 0
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 1,
+  \     'end_lnum': 1,
+  \     'type': 'E',
+  \     'end_col': 21,
+  \     'col': 1,
+  \     'text': 'this function takes 1 parameter but 0 were supplied: defined here',
+  \   },
+  \   {
+  \     'lnum': 1,
+  \     'end_lnum': 1,
+  \     'type': 'E',
+  \     'end_col': 46,
+  \     'col': 40,
+  \     'text': 'this function takes 1 parameter but 0 were supplied: expected 1 parameter',
+  \   },
+  \ ],
+  \ ale#handlers#rust#HandleRustErrors(bufnr(''), [
+  \   '',
+  \   'fn test(x: u8) -> u8 { x } fn main() { x(); }',
+  \   json_encode({
+  \     'message': {
+  \       'code': {
+  \         'code': 'E0061',
+  \         'explanation': 'Dummy explanation; not used'
+  \       },
+  \       'level': 'error',
+  \       'message': 'this function takes 1 parameter but 0 were supplied',
+  \       'spans': [
+  \         {
+  \           'byte_end': 20,
+  \           'byte_start': 0,
+  \           'column_end': 21,
+  \           'column_start': 1,
+  \           'file_name': 'src/noerrors/mod.rs',
+  \           'is_primary': v:false,
+  \           'label': 'defined here',
+  \           'line_end': 1,
+  \           'line_start': 1,
+  \         },
+  \         {
+  \           'byte_end': 45,
+  \           'byte_start': 39,
+  \           'column_end': 46,
+  \           'column_start': 40,
+  \           'file_name': '<anon>',
+  \           'is_primary': v:true,
+  \           'label': 'expected 1 parameter',
+  \           'line_end': 1,
+  \           'line_start': 1,
+  \         },
+  \       ]
+  \     },
+  \   }),
+  \   json_encode({
+  \     'message': {
+  \       'code': v:null,
+  \       'level': 'error',
+  \       'message': 'aborting due to previous error',
+  \       'spans': []
+  \     },
+  \   }),
+  \   json_encode({
+  \     'message': {
+  \       'code': v:null,
+  \       'level': 'error',
+  \       'message': 'For more information about this error, try `rustc --explain E0061`.',
+  \       'spans': []
+  \     },
+  \   }),
+  \ ])
+
+  let g:ale_rust_ignore_secondary_spans = 1
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 1,
+  \     'end_lnum': 1,
+  \     'type': 'E',
+  \     'end_col': 46,
+  \     'col': 40,
+  \     'text': 'this function takes 1 parameter but 0 were supplied: expected 1 parameter',
+  \   },
+  \ ],
+  \ ale#handlers#rust#HandleRustErrors(bufnr(''), [
+  \   '',
+  \   'fn test(x: u8) -> u8 { x } fn main() { x(); }',
+  \   json_encode({
+  \     'message': {
+  \       'code': {
+  \         'code': 'E0061',
+  \         'explanation': 'Dummy explanation; not used'
+  \       },
+  \       'level': 'error',
+  \       'message': 'this function takes 1 parameter but 0 were supplied',
+  \       'spans': [
+  \         {
+  \           'byte_end': 20,
+  \           'byte_start': 0,
+  \           'column_end': 21,
+  \           'column_start': 1,
+  \           'file_name': 'src/noerrors/mod.rs',
+  \           'is_primary': v:false,
+  \           'label': 'defined here',
+  \           'line_end': 1,
+  \           'line_start': 1,
+  \         },
+  \         {
+  \           'byte_end': 45,
+  \           'byte_start': 39,
+  \           'column_end': 46,
+  \           'column_start': 40,
+  \           'file_name': '<anon>',
+  \           'is_primary': v:true,
+  \           'label': 'expected 1 parameter',
+  \           'line_end': 1,
+  \           'line_start': 1,
+  \         },
+  \       ]
+  \     },
+  \   }),
+  \   json_encode({
+  \     'message': {
+  \       'code': v:null,
+  \       'level': 'error',
+  \       'message': 'aborting due to previous error',
+  \       'spans': []
+  \     },
+  \   }),
+  \   json_encode({
+  \     'message': {
+  \       'code': v:null,
+  \       'level': 'error',
+  \       'message': 'For more information about this error, try `rustc --explain E0061`.',
+  \       'spans': []
+  \     },
+  \   }),
+  \ ])
diff --git a/test/handler/test_swipl_handler.vader b/test/handler/test_swipl_handler.vader
new file mode 100644
index 00000000..9e425cf6
--- /dev/null
+++ b/test/handler/test_swipl_handler.vader
@@ -0,0 +1,95 @@
+Before:
+  runtime ale_linters/prolog/swipl.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute (The swipl handler should handle oneline warning / error):
+  call ale#test#SetFilename('test.pl')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 5,
+  \     'col': 1,
+  \     'text': 'Syntax error: Operator expected',
+  \     'type': 'E',
+  \   },
+  \ ],
+  \ ale_linters#prolog#swipl#Handle(bufnr(''), [
+  \   'ERROR: /path/to/test.pl:5:1: Syntax error: Operator expected',
+  \ ])
+
+Execute (The swipl handler should handle a warning / error of two lines):
+  call ale#test#SetFilename('test.pl')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 9,
+  \     'col': 0,
+  \     'text': 'Singleton variables: [M]',
+  \     'type': 'W',
+  \   },
+  \ ],
+  \ ale_linters#prolog#swipl#Handle(bufnr(''), [
+  \   'Warning: /path/to/test.pl:9:',
+  \   '        Singleton variables: [M]',
+  \ ])
+
+Execute (The swipl handler should join three or more lines with '. '):
+  call ale#test#SetFilename('test.pl')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 10,
+  \     'col': 0,
+  \     'text': 'Clauses of fib/2 are not together in the source-file. Earlier definition at /path/to/test.pl:7. Current predicate: f/0. Use :- discontiguous fib/2. to suppress this message',
+  \     'type': 'W',
+  \   },
+  \ ],
+  \ ale_linters#prolog#swipl#Handle(bufnr(''), [
+  \   'Warning: /path/to/test.pl:10:',
+  \   '        Clauses of fib/2 are not together in the source-file',
+  \   '          Earlier definition at /path/to/test.pl:7',
+  \   '          Current predicate: f/0',
+  \   '          Use :- discontiguous fib/2. to suppress this message',
+  \ ])
+
+Execute (The swipl handler should ignore warnings / errors 'No permission to call sandboxed ...'):
+  call ale#test#SetFilename('test.pl')
+  AssertEqual
+  \ [],
+  \ ale_linters#prolog#swipl#Handle(bufnr(''), [
+  \   'ERROR: /path/to/test.pl:11:',
+  \   '        No permission to call sandboxed `''$set_predicate_attribute''(_G3416:_G3417,_G3413,_G3414)''',
+  \   '        Reachable from:',
+  \   '                  system:''$set_pattr''(A,B,C,D)',
+  \   '                  system:''$set_pattr''(vimscript:A,B,C)',
+  \   '                  vimscript: (multifile A)',
+  \   'ERROR: /path/to/test.pl:12:',
+  \   '        No permission to call sandboxed `''$set_predicate_attribute''(_G205:_G206,_G202,_G203)''',
+  \   '        Reachable from:',
+  \   '                  system:''$set_pattr''(A,B,C,D)',
+  \   '                  system:''$set_pattr''(vimscript:A,B,C)',
+  \   '                  vimscript: (multifile A)',
+  \   'ERROR: /path/to/test.pl:13:',
+  \   '        No permission to call sandboxed `''$set_predicate_attribute''(_G1808:_G1809,_G1805,_G1806)''',
+  \   '        Reachable from:',
+  \   '                  system:''$set_pattr''(A,B,C,D)',
+  \   '                  system:''$set_pattr''(vimscript:A,B,C)',
+  \   '                  vimscript: (multifile A)',
+  \ ])
+
+Execute (The swipl handler should handle a warning / error with no line number):
+  call ale#test#SetFilename('test.pl')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 1,
+  \     'col': 0,
+  \     'text': 'Exported procedure module_name:pred/0 is not defined',
+  \     'type': 'E',
+  \   },
+  \ ],
+  \ ale_linters#prolog#swipl#Handle(bufnr(''), [
+  \   'ERROR: Exported procedure module_name:pred/0 is not defined',
+  \ ])
diff --git a/test/handler/test_vulture_handler.vader b/test/handler/test_vulture_handler.vader
new file mode 100644
index 00000000..c6bd7643
--- /dev/null
+++ b/test/handler/test_vulture_handler.vader
@@ -0,0 +1,92 @@
+Before:
+  runtime ale_linters/python/vulture.vim
+
+  call ale#test#SetDirectory('/testplugin/test/handler')
+
+After:
+  Restore
+
+  call ale#test#RestoreDirectory()
+  call ale#linter#Reset()
+
+  silent file something_else.py
+
+Execute(Basic vulture check with relative path in result should be handled):
+  call ale#test#SetFilename('something_else.py')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 34,
+  \     'text': 'unused variable ''foo'' (60% confidence)',
+  \     'type': 'W',
+  \     'filename': ale#path#Simplify(g:dir . '/something_else.py'),
+  \   },
+  \ ],
+  \ ale_linters#python#vulture#Handle(bufnr(''), [
+  \   './something_else.py:34: unused variable ''foo'' (60% confidence)',
+  \ ])
+
+Execute(Basic vulture check with absolute path in result should be handled):
+  call ale#test#SetFilename('something_else.py')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 34,
+  \     'text': 'unused variable ''foo'' (60% confidence)',
+  \     'type': 'W',
+  \     'filename': ale#path#Simplify(g:dir . '/something_else.py'),
+  \   },
+  \ ],
+  \ ale_linters#python#vulture#Handle(bufnr(''), [
+  \   ale#path#Simplify(g:dir . '/something_else.py') . ':34: unused variable ''foo'' (60% confidence)',
+  \ ])
+
+Execute(Vulture check for two files should be handled):
+  call ale#test#SetFilename('something_else.py')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 34,
+  \     'text': 'unused variable ''foo'' (60% confidence)',
+  \     'type': 'W',
+  \     'filename': ale#path#Simplify(g:dir . '/something_else.py'),
+  \   },
+  \   {
+  \     'lnum': 12,
+  \     'text': 'unused variable ''bar'' (60% confidence)',
+  \     'type': 'W',
+  \     'filename': ale#path#Simplify(g:dir . '/second_one.py'),
+  \   },
+  \ ],
+  \ ale_linters#python#vulture#Handle(bufnr(''), [
+  \   './something_else.py:34: unused variable ''foo'' (60% confidence)',
+  \   './second_one.py:12: unused variable ''bar'' (60% confidence)',
+  \ ])
+
+
+Execute(Vulture exception should be handled):
+  call ale#test#SetFilename('something_else.py')
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 1,
+  \     'text': 'An exception was thrown. See :ALEDetail',
+  \     'detail': join([
+  \       'Traceback (most recent call last):',
+  \       '  File "/usr/lib/python3.6/site-packages/vulture/__init__.py", line 13, in <module>',
+  \       '    from .core import stuff',
+  \       'BaddestException: Everything gone wrong',
+  \     ], "\n"),
+  \   }
+  \ ],
+  \ ale_linters#python#vulture#Handle(bufnr(''), [
+  \   'Traceback (most recent call last):',
+  \   '  File "/usr/lib/python3.6/site-packages/vulture/__init__.py", line 13, in <module>',
+  \   '    from .core import stuff',
+  \   'BaddestException: Everything gone wrong',
+  \ ])
+
+Execute(The vulture handler should handle empty output):
+  AssertEqual
+  \ [],
+  \ ale_linters#python#vulture#Handle(bufnr(''), [])