--- /dev/null
+Before:
+ call ale#test#SetDirectory('/testplugin/test')
+ call ale#test#SetFilename('dummy.txt')
+
+ let g:Callback = 0
+ let g:message_list = []
+ let g:item_list = []
+ let g:show_message_arg_list = []
+
+ let g:ale_floating_preview = 0
+ let g:ale_hover_to_floating_preview = 0
+ let g:ale_detail_to_floating_preview = 0
+
+ runtime autoload/ale/linter.vim
+ runtime autoload/ale/lsp.vim
+ runtime autoload/ale/lsp_linter.vim
+ runtime autoload/ale/util.vim
+ runtime autoload/ale/floating_preview.vim
+ runtime autoload/ale/hover.vim
+
+ let g:floated_lines = []
+ let g:floating_preview_show_called = 0
+
+ " Stub out so we can track the call
+ function! ale#floating_preview#Show(lines, ...) abort
+ let g:floating_preview_show_called = 1
+ let g:floated_lines = a:lines
+ return win_getid()
+ endfunction
+
+ function! ale#lsp_linter#StartLSP(buffer, linter, callback) abort
+ let g:Callback = a:callback
+
+ return {
+ \ 'command': 'foobar',
+ \ 'connection_id': 347,
+ \ 'project_root': '/foo/bar',
+ \}
+ endfunction
+
+ function! ale#lsp#Send(conn_id, message, root) abort
+ call add(g:message_list, a:message)
+
+ return 42
+ endfunction
+
+ function! ale#util#ShowMessage(string, ...) abort
+ call add(g:show_message_arg_list, [a:string] + a:000)
+ endfunction
+
+ function! HandleValidLSPResult(result) abort
+ " The cursor is beyond the length of the line.
+ " We will clamp the cursor position with the line length.
+ call setpos('.', [bufnr(''), 1, 5, 0])
+
+ call ale#hover#SetMap({3: {
+ \ 'buffer': bufnr(''),
+ \ 'line': 1,
+ \ 'column': 5,
+ \}})
+ call ale#hover#HandleLSPResponse(
+ \ 1,
+ \ {
+ \ 'id': 3,
+ \ 'result': a:result,
+ \ }
+ \)
+ endfunction
+
+
+After:
+ call ale#hover#SetMap({})
+ call ale#test#RestoreDirectory()
+ call ale#linter#Reset()
+
+ unlet! g:Callback
+ unlet! g:message_list
+ unlet! b:ale_linters
+ unlet! g:show_message_arg_list
+
+ delfunction HandleValidLSPResult
+
+ runtime autoload/ale/lsp_linter.vim
+ runtime autoload/ale/lsp.vim
+ runtime autoload/ale/util.vim
+ runtime autoload/ale/floating_preview.vim
+
+Given python(Some Python file):
+ foo
+ somelongerline
+ bazxyzxyzxyz
+
+Execute(Other messages for the tsserver handler should be ignored):
+ call ale#hover#HandleTSServerResponse(1, {'command': 'foo'})
+
+Execute(Failed hover responses should be handled correctly):
+ call ale#hover#SetMap({3: {}})
+ call ale#hover#HandleTSServerResponse(
+ \ 1,
+ \ {'command': 'quickinfo', 'request_seq': 3}
+ \)
+ AssertEqual {}, ale#hover#GetMap()
+
+Given typescript(Some typescript file):
+ foo
+ somelongerline
+ bazxyzxyzxyz
+
+Execute(tsserver quickinfo responses will null missing bodies should be handled):
+ call ale#hover#SetMap({3: {}})
+ call ale#hover#HandleTSServerResponse(
+ \ 1,
+ \ {
+ \ 'command': 'quickinfo',
+ \ 'request_seq': 3,
+ \ 'success': v:true,
+ \ }
+ \)
+
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(tsserver quickinfo displayString values should be displayed):
+ call ale#hover#SetMap({3: {'buffer': bufnr('')}})
+ call ale#hover#HandleTSServerResponse(
+ \ 1,
+ \ {
+ \ 'command': 'quickinfo',
+ \ 'request_seq': 3,
+ \ 'success': v:true,
+ \ 'body': {'displayString': 'foo bar'},
+ \ }
+ \)
+
+ AssertEqual [['foo bar']], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover responses with just a string should be handled):
+ call HandleValidLSPResult({'contents': 'foobar'})
+
+ AssertEqual [['foobar', {'commands': []}]], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover null responses should be handled):
+ call HandleValidLSPResult(v:null)
+
+ AssertEqual [], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover responses with markup content should be handled):
+ call HandleValidLSPResult({'contents': {'kind': 'markdown', 'value': 'markup'}})
+
+ AssertEqual [['markup', {'commands': []}]], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover responses with markup content missing values should be handled):
+ call HandleValidLSPResult({'contents': {'kind': 'markdown'}})
+
+ AssertEqual [], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover response with lists of strings should be handled):
+ call HandleValidLSPResult({'contents': [
+ \ "foo\n",
+ \ "bar\n",
+ \]})
+
+ AssertEqual [["foo\n\nbar", {'commands': []}]], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover response with lists of strings and marked strings should be handled):
+ call HandleValidLSPResult({'contents': [
+ \ {'language': 'python', 'value': 'foo'},
+ \ "bar\n",
+ \]})
+
+ AssertEqual [
+ \ [
+ \ "foo\n\nbar",
+ \ {
+ \ 'commands': [
+ \ 'unlet! b:current_syntax',
+ \ 'syntax include @ALE_hover_python syntax/python.vim',
+ \ 'syntax region ALE_hover_1 start=/\%1l/ end=/\%2l/ contains=@ALE_hover_python',
+ \ ],
+ \ },
+ \ ],
+ \], g:show_message_arg_list
+ AssertEqual {}, ale#hover#GetMap()
+
+Execute(LSP hover with ale_floating_preview should float):
+ let g:ale_floating_preview = 1
+
+ call HandleValidLSPResult({'contents': "the message\ncontinuing"})
+
+ AssertEqual 1, g:floating_preview_show_called
+ AssertEqual ["the message", "continuing"], g:floated_lines
+
+Execute(LSP hover ale_hover_to_floating_preview should float):
+ let g:ale_hover_to_floating_preview = 1
+
+ call HandleValidLSPResult({'contents': "the message\ncontinuing"})
+
+ AssertEqual 1, g:floating_preview_show_called
+ AssertEqual ["the message", "continuing"], g:floated_lines
+
+
+Execute(LSP hover by default should not float):
+ call HandleValidLSPResult({'contents': "the message\ncontinuing"})
+
+ AssertEqual 0, g:floating_preview_show_called
+
+Execute(tsserver responses for documentation requests should be handled):
+ call ale#hover#SetMap({3: {'show_documentation': 1, 'buffer': bufnr('')}})
+
+ call ale#hover#HandleTSServerResponse(
+ \ 1,
+ \ {
+ \ 'command': 'quickinfo',
+ \ 'request_seq': 3,
+ \ 'success': v:true,
+ \ 'body': {
+ \ 'documentation': 'foo is a very good method',
+ \ 'displayString': 'foo bar',
+ \ },
+ \ }
+ \)
+
+ " The preview window should show the text.
+ AssertEqual ['foo is a very good method'], ale#test#GetPreviewWindowText()
+ silent! pclose
+
+Execute(hover with show_documentation should be in the preview window, not floating):
+ let g:ale_hover_to_floating_preview = 1
+ let g:ale_floating_preview = 1
+
+ call ale#hover#SetMap({3: {'show_documentation': 1, 'buffer': bufnr('')}})
+
+ call ale#hover#HandleTSServerResponse(
+ \ 1,
+ \ {
+ \ 'command': 'quickinfo',
+ \ 'request_seq': 3,
+ \ 'success': v:true,
+ \ 'body': {
+ \ 'documentation': 'foo is a very good method',
+ \ 'displayString': 'foo bar ',
+ \ },
+ \ }
+ \)
+
+ let expected = ["Every statement should end with a semicolon", "second line"]
+
+ AssertEqual 0, g:floating_preview_show_called
+
+Execute(TSServer hover without show_documentation and ale_floating_preview should float):
+ let g:ale_floating_preview = 1
+
+ call ale#hover#SetMap({3: {'buffer': bufnr('')}})
+
+ call ale#hover#HandleTSServerResponse(
+ \ 1,
+ \ {
+ \ 'command': 'quickinfo',
+ \ 'request_seq': 3,
+ \ 'success': v:true,
+ \ 'body': {
+ \ 'displayString': "the message\ncontinuing",
+ \ },
+ \ }
+ \)
+
+ AssertEqual 1, g:floating_preview_show_called
+ AssertEqual ["the message", "continuing"], g:floated_lines
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