Before:
  Save g:ale_python_mypy_ignore_invalid_syntax
  Save g:ale_python_mypy_show_notes

  unlet! g:ale_python_mypy_show_notes
  unlet! g:ale_python_mypy_ignore_invalid_syntax

  runtime ale_linters/python/mypy.vim

  call ale#test#SetDirectory('/testplugin/test/handler')

After:
  Restore

  call ale#test#RestoreDirectory()
  call ale#linter#Reset()

Execute(The mypy handler should parse lines correctly):
  call ale#test#SetFilename('__init__.py')

  let g:ale_python_mypy_show_notes = 0

  AssertEqual
  \ [
  \   {
  \     'lnum': 768,
  \     'col': 38,
  \     'filename': ale#path#Simplify(g:dir . '/baz.py'),
  \     'type': 'E',
  \     'text': 'Cannot determine type of ''SOME_SYMBOL''',
  \   },
  \   {
  \     'lnum': 821,
  \     'col': 38,
  \     'filename': ale#path#Simplify(g:dir . '/baz.py'),
  \     'type': 'E',
  \     'text': 'Cannot determine type of ''SOME_SYMBOL''',
  \   },
  \   {
  \     'lnum': 38,
  \     'col': 44,
  \     'filename': ale#path#Simplify(g:dir . '/other.py'),
  \     'type': 'E',
  \     'text': 'Cannot determine type of ''ANOTHER_SYMBOL''',
  \   },
  \   {
  \     'lnum': 15,
  \     'col': 3,
  \     'filename': ale#path#Simplify(g:dir . '/__init__.py'),
  \     'type': 'E',
  \     'text': 'Argument 1 to "somefunc" has incompatible type "int"; expected "str"'
  \   },
  \   {
  \     'lnum': 72,
  \     'col': 1,
  \     'filename': ale#path#Simplify(g:dir . '/__init__.py'),
  \     'type': 'W',
  \     'text': 'Some warning',
  \   },
  \ ],
  \ ale_linters#python#mypy#Handle(bufnr(''), [
  \ 'baz.py: note: In class "SomeClass":',
  \ 'baz.py:768:38: error: Cannot determine type of ''SOME_SYMBOL''',
  \ 'baz.py: note: In class "AnotherClass":',
  \ 'baz.py:821:38: error: Cannot determine type of ''SOME_SYMBOL''',
  \ '__init__.py:92: note: In module imported here:',
  \ 'other.py: note: In class "YetAnotherClass":',
  \ 'other.py:38:44: error: Cannot determine type of ''ANOTHER_SYMBOL''',
  \ '__init__.py: note: At top level:',
  \ '__init__.py:15:3: error: Argument 1 to "somefunc" has incompatible type "int"; expected "str"',
  \ 'another_module/bar.py:14: note: In module imported here,',
  \ 'another_module/__init__.py:16: note: ... from here,',
  \ '__init__.py:72:1: warning: Some warning',
  \ ])

Execute(The mypy handler should show notes if enabled):
  call ale#test#SetFilename('__init__.py')

  AssertEqual
  \ [
  \   {
  \     'lnum': 72,
  \     'col': 1,
  \     'filename': ale#path#Simplify(g:dir . '/__init__.py'),
  \     'type': 'I',
  \     'text': 'A note',
  \   },
  \ ],
  \ ale_linters#python#mypy#Handle(bufnr(''), [
  \   '__init__.py:72:1: note: A note',
  \ ])

  let g:ale_python_mypy_show_notes = 0

  AssertEqual
  \ [],
  \ ale_linters#python#mypy#Handle(bufnr(''), [
  \   '__init__.py:72:1: note: A note',
  \ ])

Execute(The mypy handler should handle Windows names with spaces):
  " This test works on Unix, where this is seen as a single filename
  silent file C:\\something\\with\ spaces.py

  AssertEqual
  \ [
  \   {
  \     'lnum': 4,
  \     'col': 0,
  \     'filename': ale#path#Simplify('C:\something\with spaces.py'),
  \     'type': 'E',
  \     'text': 'No library stub file for module ''django.db''',
  \   },
  \ ],
  \ ale_linters#python#mypy#Handle(bufnr(''), [
  \   'C:\something\with spaces.py:4: error: No library stub file for module ''django.db''',
  \ ])

Execute(The mypy syntax errors shouldn't be ignored by default):
  AssertEqual
  \ [
  \   {
  \     'lnum': 4,
  \     'col': 0,
  \     'filename': ale#path#Simplify(g:dir . '/foo.py'),
  \     'type': 'E',
  \     'text': 'invalid syntax',
  \   },
  \ ],
  \ ale_linters#python#mypy#Handle(bufnr(''), [
  \   'foo.py:4: error: invalid syntax',
  \ ])

Execute(The mypy syntax errors should be ignored when the option is on):
  let g:ale_python_mypy_ignore_invalid_syntax = 1

  AssertEqual
  \ [],
  \ ale_linters#python#mypy#Handle(bufnr(''), [
  \   'foo.py:4: error: invalid syntax',
  \ ])