Before:
  let b:tmp = has('win32') ? substitute($TMP, '\\', '\\\\', 'g') : $TMPDIR

  runtime ale_linters/elm/make.vim

After:
  unlet! b:tmp
  unlet! g:config_error_lines

  call ale#linter#Reset()


" Elm 0.19

Execute(The elm-make handler should parse Elm 0.19 general problems correctly):
  AssertEqual
  \ [
  \   {
  \     'lnum': 1,
  \     'type': 'E',
  \     'text': "error details\n\nstyled details"
  \   }
  \ ],
  \ ale_linters#elm#make#Handle(347, [
  \   '{
  \      "type": "error",
  \      "path": "' . b:tmp . '/Module.elm",
  \      "title": "UNKNOWN IMPORT",
  \      "message": ["error details\n\n", { "string": "styled details" }]
  \    }'
  \ ])

Execute(The elm-make handler should parse Elm 0.19 compilation errors correctly):
  AssertEqual
  \ [
  \   {
  \     'lnum': 404,
  \     'col': 1,
  \     'end_lnum': 408,
  \     'end_col': 18,
  \     'type': 'E',
  \     'text': "error details 1\n\nstyled details"
  \   },
  \   {
  \     'lnum': 406,
  \     'col': 5,
  \     'end_lnum': 407,
  \     'end_col': 17,
  \     'type': 'E',
  \     'text': "error details 2",
  \   },
  \   {
  \     'lnum': 406,
  \     'col': 5,
  \     'end_lnum': 406,
  \     'end_col': 93,
  \     'type': 'E',
  \     'text': "error details 3",
  \   },
  \ ],
  \ ale_linters#elm#make#Handle(347, [
  \   '{
  \      "type": "compile-errors",
  \      "errors": [
  \        {
  \          "path": "' . b:tmp . '/Module.elm",
  \          "problems": [
  \            {
  \              "title": "TYPE MISMATCH",
  \              "message": ["error details 1\n\n", { "string": "styled details" }],
  \              "region": { "start": { "line": 404, "column": 1 }, "end": { "line": 408, "column": 18 } }
  \            },
  \            {
  \              "title": "TYPE MISMATCH",
  \              "message": ["error details 2"],
  \              "region": { "start": {"line": 406, "column": 5}, "end": {"line": 407, "column": 17 } }
  \            },
  \            {
  \              "title": "TYPE MISMATCH",
  \              "message": ["error details 3"],
  \              "region": { "start": { "line": 406, "column": 5}, "end": {"line": 406, "column": 93 } }
  \            }
  \          ]
  \        }
  \      ]
  \    }'
  \ ])

Execute(The elm-make handler should handle errors in Elm 0.19 imported modules):
  AssertEqual
  \ [
  \   {
  \     'lnum': 1,
  \     'type': 'E',
  \     'text': "src/Module.elm - error details\n\nstyled details",
  \     'detail': "src/Module.elm ----------\n\nerror details\n\nstyled details"
  \   },
  \   {
  \     'lnum': 1,
  \     'type': 'E',
  \     'text': "Elm - error details\n\nstyled details",
  \     'detail': "Elm ----------\n\nerror details\n\nstyled details"
  \   },
  \   {
  \     'lnum': 1,
  \     'type': 'E',
  \     'text': "src/Module.elm:404 - error details\n\nstyled details",
  \     'detail': "src/Module.elm:404 ----------\n\nerror details\n\nstyled details"
  \   },
  \ ],
  \ ale_linters#elm#make#Handle(347, [
  \   '{
  \      "type": "error",
  \      "path": "src/Module.elm",
  \      "title": "UNKNOWN IMPORT",
  \      "message": ["error details\n\n", { "string": "styled details" }]
  \    }',
  \   '{
  \      "type": "error",
  \      "path": null,
  \      "title": "UNKNOWN IMPORT",
  \      "message": ["error details\n\n", { "string": "styled details" }]
  \    }',
  \   '{
  \      "type": "compile-errors",
  \      "errors": [
  \        {
  \          "path": "src/Module.elm",
  \          "problems": [
  \            {
  \              "title": "TYPE MISMATCH",
  \              "message": ["error details\n\n", { "string": "styled details" }],
  \              "region": { "start": { "line": 404, "column": 1 }, "end": { "line": 408, "column": 18 } }
  \            }
  \          ]
  \        }
  \      ]
  \    }'
  \ ])


" Elm 0.18

Execute(The elm-make handler should parse Elm 0.18 compilation errors correctly):
  AssertEqual
  \ [
  \   {
  \     'lnum': 33,
  \     'col': 1,
  \     'end_lnum': 33,
  \     'end_col': 19,
  \     'type': 'W',
  \     'text': 'warning overview',
  \     'detail': "warning overview\n\nwarning details",
  \   },
  \   {
  \     'lnum': 404,
  \     'col': 1,
  \     'end_lnum': 408,
  \     'end_col': 18,
  \     'type': 'E',
  \     'text': 'error overview 1',
  \     'detail': "error overview 1\n\nerror details 1",
  \   },
  \   {
  \     'lnum': 406,
  \     'col': 5,
  \     'end_lnum': 407,
  \     'end_col': 17,
  \     'type': 'E',
  \     'text': 'error overview 2',
  \     'detail': "error overview 2\n\nerror details 2",
  \   },
  \   {
  \     'lnum': 406,
  \     'col': 5,
  \     'end_lnum': 406,
  \     'end_col': 93,
  \     'type': 'E',
  \     'text': 'error overview 3',
  \     'detail': "error overview 3\n\nerror details 3",
  \   },
  \ ],
  \ ale_linters#elm#make#Handle(347, [
  \   '[
  \      {
  \         "tag": "unused import",
  \         "overview": "warning overview",
  \         "details": "warning details",
  \         "region": {"start": { "line": 33, "column": 1 }, "end": { "line": 33, "column": 19 } },
  \         "type": "warning",
  \         "file": "' . b:tmp . '/Module.elm"
  \      }
  \    ]',
  \   '[
  \      {
  \        "tag": "TYPE MISMATCH",
  \        "overview": "error overview 1",
  \        "subregion": { "start": { "line": 406, "column": 5 }, "end": { "line": 408, "column": 18 } },
  \        "details": "error details 1",
  \        "region": { "start": { "line": 404, "column": 1 }, "end": { "line": 408, "column": 18 } },
  \        "type": "error",
  \        "file":"' . b:tmp . '/Module.elm"
  \      },
  \      {
  \        "tag": "TYPE MISMATCH",
  \        "overview": "error overview 2",
  \        "subregion": { "start": { "line": 407, "column": 12 }, "end": { "line": 407, "column": 17 } },
  \        "details": "error details 2",
  \        "region": { "start": { "line": 406, "column": 5}, "end": { "line": 407, "column": 17 } },
  \        "type":"error",
  \        "file":"' . b:tmp . '/Module.elm"
  \      },
  \      {
  \        "tag": "TYPE MISMATCH",
  \        "overview": "error overview 3",
  \        "subregion": { "start": { "line": 406, "column": 88 }, "end": { "line": 406, "column": 93 } },
  \        "details": "error details 3",
  \        "region": { "start": { "line": 406, "column": 5 }, "end": { "line": 406, "column": 93 } },
  \        "type":"error",
  \        "file":"' . b:tmp . '/Module.elm"
  \      }
  \    ]'
  \ ])

Execute(The elm-make handler should handle errors in Elm 0.18 imported modules):
  AssertEqual
  \ [
  \   {
  \     'lnum': 1,
  \     'type': 'E',
  \     'text': "src/Module.elm:33 - error overview",
  \     'detail': "src/Module.elm:33 ----------\n\nerror overview\n\nerror details"
  \   }
  \ ],
  \ ale_linters#elm#make#Handle(347, [
  \   '[
  \      {
  \         "tag": "unused import",
  \         "overview": "warning overview",
  \         "details": "warning details",
  \         "region": {"start": { "line": 33, "column": 1 }, "end": { "line": 33, "column": 19 } },
  \         "type": "warning",
  \         "file": "src/Module.elm"
  \      },
  \      {
  \         "tag": "type error",
  \         "overview": "error overview",
  \         "details": "error details",
  \         "region": {"start": { "line": 33, "column": 1 }, "end": { "line": 33, "column": 19 } },
  \         "type": "error",
  \         "file": "src/Module.elm"
  \      }
  \    ]',
  \ ])

" Generic

Execute(The elm-make handler should put an error on the first line if a line cannot be parsed):
  AssertEqual
  \ [
  \   {
  \     'lnum': 404,
  \     'col': 1,
  \     'end_lnum': 408,
  \     'end_col': 18,
  \     'type': 'E',
  \     'text': "error details 1\n\nstyled details"
  \   },
  \   {
  \     'lnum': 1,
  \     'type': 'E',
  \     'text': 'Not JSON',
  \     'detail': "Not JSON\nAlso not JSON",
  \   },
  \ ],
  \ ale_linters#elm#make#Handle(347, [
  \   '{
  \      "type": "compile-errors",
  \      "errors": [
  \        {
  \          "path": "' . b:tmp . '/Module.elm",
  \          "problems": [
  \            {
  \              "title": "TYPE MISMATCH",
  \              "message": ["error details 1\n\n", { "string": "styled details" }],
  \              "region": { "start": { "line": 404, "column": 1 }, "end": { "line": 408, "column": 18 } }
  \            }
  \          ]
  \        }
  \      ]
  \    }',
  \    'Not JSON',
  \    'Also not JSON',
  \ ])

Execute(The elm-make handler should ignore success lines):
  AssertEqual
  \ [],
  \ ale_linters#elm#make#Handle(347, [
  \    'Successfully generated /dev/null',
  \ ])