Execute(HandleCSSLintFormat should handle CSS errors):
  AssertEqual
  \ [
  \   {
  \     'lnum': 2,
  \     'col': 1,
  \     'type': 'E',
  \     'text': '(errors) Expected RBRACE at line 2, col 1.',
  \   },
  \   {
  \    'lnum': 2,
  \    'col': 5,
  \    'type': 'W',
  \    'text': "(known-properties) Expected ... but found 'wat'.",
  \   },
  \ ],
  \ ale#handlers#HandleCSSLintFormat(42, [
  \   'something.css: line 2, col 1, Error - Expected RBRACE at line 2, col 1. (errors)',
  \   "something.css: line 2, col 5, Warning - Expected ... but found 'wat'. (known-properties)",
  \ ])

Execute (HandlePEP8Format should handle the correct lines of output):
  AssertEqual
  \ [
  \   {
  \     'lnum': 6,
  \     'col': 6,
  \     'type': 'E',
  \     'text': 'E111: indentation is not a multiple of four',
  \   },
  \   {
  \    'lnum': 35,
  \    'col': 0,
  \    'type': 'E',
  \    'text': "EANSIBLE0002: Trailing whitespace",
  \   },
  \ ],
  \ ale#handlers#HandlePEP8Format(42, [
  \   "stdin:6:6: E111 indentation is not a multiple of four",
  \   "test.yml:35: [EANSIBLE0002] Trailing whitespace",
  \ ])

Execute (HandleGCCFormat should handle the correct lines of output):
  AssertEqual
  \ [
  \   {
  \     'lnum': 8,
  \     'col': 5,
  \     'type': 'W',
  \     'text': 'conversion lacks type at end of format [-Wformat=]',
  \   },
  \   {
  \     'lnum': 10,
  \     'col': 27,
  \     'type': 'E',
  \     'text': 'invalid operands to binary - (have ‘int’ and ‘char *’)',
  \   },
  \ ],
  \ ale#handlers#gcc#HandleGCCFormat(42, [
  \   '<stdin>:8:5: warning: conversion lacks type at end of format [-Wformat=]',
  \   '<stdin>:10:27: error: invalid operands to binary - (have ‘int’ and ‘char *’)',
  \ ])

Execute (HandleUnixFormatAsError should handle some example lines of output):
  AssertEqual
  \ [
  \   {
  \     'lnum': 27,
  \     'col': 0,
  \     'type': 'E',
  \     'text': 'missing argument for Printf("%s"): format reads arg 2, have only 1 args',
  \   },
  \   {
  \     'lnum': 53,
  \     'col': 10,
  \     'type': 'E',
  \     'text': 'if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)',
  \   },
  \   {
  \     'lnum': 1,
  \     'col': 1,
  \     'type': 'E',
  \     'text': '".b" is not a valid class name.  Class names must begin with "-", "_" or a letter and can only contain "_", "-", a-z and 0-9.',
  \   },
  \ ],
  \ ale#handlers#HandleUnixFormatAsError(42, [
  \   'file.go:27: missing argument for Printf("%s"): format reads arg 2, have only 1 args',
  \   'file.go:53:10: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)',
  \   'test.pug:1:1 ".b" is not a valid class name.  Class names must begin with "-", "_" or a letter and can only contain "_", "-", a-z and 0-9.',
  \ ])

Execute (HandleUnixFormatAsError should handle lines with no space after the colon):
  AssertEqual
  \ [
  \   {
  \     'lnum': 27,
  \     'col': 0,
  \     'type': 'E',
  \     'text': 'foo',
  \   },
  \   {
  \     'lnum': 53,
  \     'col': 10,
  \     'type': 'E',
  \     'text': 'bar',
  \   },
  \ ],
  \ ale#handlers#HandleUnixFormatAsError(42, [
  \   'some_file.xyz:27:foo',
  \   'some_file.xyz:53:10:bar',
  \ ])

Execute (HandleUnixFormatAsWarning should handle some example lines of output):
  AssertEqual
  \ [
  \   {
  \     'lnum': 27,
  \     'col': 0,
  \     'type': 'W',
  \     'text': 'missing argument for Printf("%s"): format reads arg 2, have only 1 args',
  \   },
  \   {
  \     'lnum': 53,
  \     'col': 10,
  \     'type': 'W',
  \     'text': 'if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)',
  \   },
  \ ],
  \ ale#handlers#HandleUnixFormatAsWarning(42, [
  \   'file.go:27: missing argument for Printf("%s"): format reads arg 2, have only 1 args',
  \   'file.go:53:10: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)',
  \ ])

Execute (Unix format functions should handle Windows paths):
  AssertEqual
  \ [
  \   {
  \     'lnum': 27,
  \     'col': 0,
  \     'type': 'E',
  \     'text': 'foo',
  \   },
  \   {
  \     'lnum': 53,
  \     'col': 10,
  \     'type': 'E',
  \     'text': 'foo',
  \   },
  \ ],
  \ ale#handlers#HandleUnixFormatAsError(42, [
  \   'C:\Users\w0rp\AppData\Local\Temp\Xyz123.go:27: foo',
  \   'C:\Users\w0rp\AppData\Local\Temp\Xyz123.go:53:10: foo',
  \ ])

Execute (HandleCppCheckFormat should handle some example lines of output):
  AssertEqual
  \ [
  \   {
  \     'lnum': 5,
  \     'col': 0,
  \     'type': 'W',
  \     'text': 'Variable a is assigned a value that is never used. (style)',
  \   },
  \   {
  \     'lnum': 12,
  \     'col': 0,
  \     'type': 'E',
  \     'text': 'Array a[10] accessed at index 10, which is out of bounds. (error)',
  \   },
  \ ],
  \ ale#handlers#HandleCppCheckFormat(42, [
  \   '[/tmp/test.c:5]: (style) Variable a is assigned a value that is never used.',
  \   '[/tmp/test.c:12]: (error) Array a[10] accessed at index 10, which is out of bounds.'
  \ ])