Before:
  let g:ale_lsp_next_version_id = 1

  call ale#test#SetDirectory('/testplugin/test/lsp')
  call ale#test#SetFilename('foo/bar.ts')

After:
  call ale#test#RestoreDirectory()

Execute(ale#lsp#message#Initialize() should return correct messages):
  AssertEqual
  \ [
  \   0,
  \   'initialize',
  \   {
  \    'processId': getpid(),
  \    'rootPath': '/foo/bar',
  \    'capabilities': {},
  \   }
  \ ],
  \ ale#lsp#message#Initialize('/foo/bar')

Execute(ale#lsp#message#Initialized() should return correct messages):
  AssertEqual [1, 'initialized'], ale#lsp#message#Initialized()

Execute(ale#lsp#message#Shutdown() should return correct messages):
  AssertEqual [0, 'shutdown'], ale#lsp#message#Shutdown()

Execute(ale#lsp#message#Exit() should return correct messages):
  AssertEqual [1, 'exit'], ale#lsp#message#Exit(),

Given typescript(A TypeScript file with 3 lines):
  foo()
  bar()
  baz()

Execute(ale#lsp#message#DidOpen() should return correct messages):
  let g:ale_lsp_next_version_id = 12
  AssertEqual
  \ [
  \   1,
  \   'textDocument/didOpen',
  \   {
  \     'textDocument': {
  \         'uri': ale#path#ToURI(g:dir . '/foo/bar.ts'),
  \         'languageId': 'typescript',
  \         'version': 12,
  \         'text': "foo()\nbar()\nbaz()\n",
  \     },
  \   }
  \ ],
  \ ale#lsp#message#DidOpen(bufnr(''), 'typescript')

Execute(ale#lsp#message#DidChange() should return correct messages):
  let g:ale_lsp_next_version_id = 34

  AssertEqual
  \ [
  \   1,
  \   'textDocument/didChange',
  \   {
  \     'textDocument': {
  \         'uri': ale#path#ToURI(g:dir . '/foo/bar.ts'),
  \         'version': 34,
  \     },
  \     'contentChanges': [{'text': "foo()\nbar()\nbaz()\n"}],
  \   }
  \ ],
  \ ale#lsp#message#DidChange(bufnr(''))
  " The version numbers should increment.
  AssertEqual
  \ 35,
  \ ale#lsp#message#DidChange(bufnr(''))[2].textDocument.version
  AssertEqual
  \ 36,
  \ ale#lsp#message#DidChange(bufnr(''))[2].textDocument.version

Execute(ale#lsp#message#DidSave() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'textDocument/didSave',
  \   {
  \     'textDocument': {
  \         'uri': ale#path#ToURI(g:dir . '/foo/bar.ts'),
  \     },
  \   }
  \ ],
  \ ale#lsp#message#DidSave(bufnr(''))

Execute(ale#lsp#message#DidClose() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'textDocument/didClose',
  \   {
  \     'textDocument': {
  \         'uri': ale#path#ToURI(g:dir . '/foo/bar.ts'),
  \     },
  \   }
  \ ],
  \ ale#lsp#message#DidClose(bufnr(''))

Execute(ale#lsp#message#Completion() should return correct messages):
  AssertEqual
  \ [
  \   0,
  \   'textDocument/completion',
  \   {
  \     'textDocument': {
  \         'uri': ale#path#ToURI(g:dir . '/foo/bar.ts'),
  \     },
  \     'position': {'line': 11, 'character': 33},
  \   }
  \ ],
  \ ale#lsp#message#Completion(bufnr(''), 12, 34, '')

Execute(ale#lsp#message#Completion() should return correct messages with a trigger charaacter):
  AssertEqual
  \ [
  \   0,
  \   'textDocument/completion',
  \   {
  \     'textDocument': {
  \         'uri': ale#path#ToURI(g:dir . '/foo/bar.ts'),
  \     },
  \     'position': {'line': 11, 'character': 33},
  \     'context': {'triggerKind': 2, 'triggerCharacter': '.'},
  \   }
  \ ],
  \ ale#lsp#message#Completion(bufnr(''), 12, 34, '.')

Execute(ale#lsp#tsserver_message#Open() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'ts@open',
  \   {
  \     'file': ale#path#Winify(g:dir . '/foo/bar.ts'),
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Open(bufnr(''))

Execute(ale#lsp#tsserver_message#Close() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'ts@close',
  \   {
  \     'file': ale#path#Winify(g:dir . '/foo/bar.ts'),
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Close(bufnr(''))

Execute(ale#lsp#tsserver_message#Change() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'ts@change',
  \   {
  \     'file': ale#path#Winify(g:dir . '/foo/bar.ts'),
  \     'line': 1,
  \     'offset': 1,
  \     'endLine': 1073741824,
  \     'endOffset': 1,
  \     'insertString': "foo()\nbar()\nbaz()\n",
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Change(bufnr(''))

Execute(ale#lsp#tsserver_message#Geterr() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'ts@geterr',
  \   {
  \     'files': [ale#path#Winify(g:dir . '/foo/bar.ts')],
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Geterr(bufnr(''))

Execute(ale#lsp#tsserver_message#Completions() should return correct messages):
  AssertEqual
  \ [
  \   0,
  \   'ts@completions',
  \   {
  \     'file': ale#path#Winify(g:dir . '/foo/bar.ts'),
  \     'line': 347,
  \     'offset': 12,
  \     'prefix': 'abc',
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Completions(bufnr(''), 347, 12, 'abc')

Execute(ale#lsp#tsserver_message#CompletionEntryDetails() should return correct messages):
  AssertEqual
  \ [
  \   0,
  \   'ts@completionEntryDetails',
  \   {
  \     'file': ale#path#Winify(g:dir . '/foo/bar.ts'),
  \     'line': 347,
  \     'offset': 12,
  \     'entryNames': ['foo', 'bar'],
  \   }
  \ ],
  \ ale#lsp#tsserver_message#CompletionEntryDetails(bufnr(''), 347, 12, ['foo', 'bar'])

Execute(ale#lsp#tsserver_message#Definition() should return correct messages):
  AssertEqual
  \ [
  \   0,
  \   'ts@definition',
  \   {
  \     'file': ale#path#Winify(g:dir . '/foo/bar.ts'),
  \     'line': 347,
  \     'offset': 12,
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Definition(bufnr(''), 347, 12)