Before:
  silent! cd /testplugin/test/lsp
  let b:dir = getcwd()

After:
  silent execute 'cd ' . fnameescape(b:dir)
  unlet! b:dir

Execute(ale#lsp#message#Initialize() should return correct messages):
  AssertEqual
  \ [
  \   0,
  \   'initialize',
  \   {
  \    'processId': getpid(),
  \    'rootUri': '/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(),

Execute(ale#lsp#message#DidOpen() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'textDocument/didOpen',
  \   {
  \     'textDocument': {
  \         'uri': '/foo/bar',
  \         'languageId': 'typescript',
  \         'version': 123,
  \         'text': 'foobar',
  \     },
  \   }
  \ ],
  \ ale#lsp#message#DidOpen('/foo/bar', 'typescript', 123, 'foobar')

Execute(ale#lsp#message#DidChange() should return correct messages):
  AssertEqual
  \ [
  \   1,
  \   'textDocument/didChange',
  \   {
  \     'textDocument': {
  \         'uri': '/foo/bar',
  \         'version': 123,
  \     },
  \     'contentChanges': [{'text': 'foobar'}],
  \   }
  \ ],
  \ ale#lsp#message#DidChange('/foo/bar', 123, 'foobar')

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

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

Execute(ale#lsp#tsserver_message#Open() should return correct messages):
  silent! noautocmd file foo.ts

  AssertEqual
  \ [
  \   1,
  \   'ts@open',
  \   {
  \     'file': b:dir . '/foo.ts',
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Open(bufnr(''))

Execute(ale#lsp#tsserver_message#Close() should return correct messages):
  silent! noautocmd file foo.ts

  AssertEqual
  \ [
  \   1,
  \   'ts@close',
  \   {
  \     'file': b:dir . '/foo.ts',
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Close(bufnr(''))

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

Execute(ale#lsp#tsserver_message#Change() should return correct messages):
  silent! noautocmd file foo.ts

  AssertEqual
  \ [
  \   1,
  \   'ts@change',
  \   {
  \     'file': b:dir . '/foo.ts',
  \     'line': 1,
  \     'offset': 1,
  \     'endLine': 1073741824,
  \     'endOffset': 1,
  \     'insertString': "foo()\nbar()\nbaz()",
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Change(bufnr(''))

Execute(ale#lsp#tsserver_message#Geterr() should return correct messages):
  silent! noautocmd file foo.ts

  AssertEqual
  \ [
  \   0,
  \   'ts@geterr',
  \   {
  \     'files': [b:dir . '/foo.ts'],
  \   }
  \ ],
  \ ale#lsp#tsserver_message#Geterr(bufnr(''))