Before: let b:project = { \ 'initialized': 0, \ 'init_request_id': 3, \ 'message_queue': [], \} let b:conn = { \ 'projects': { \ '/foo/bar': b:project, \ }, \ 'capabilities': { \ 'hover': 0, \ 'references': 0, \ 'completion': 0, \ 'completion_trigger_characters': [], \ 'definition': 0, \ }, \} After: unlet! b:project unlet! b:conn Execute(publishDiagnostics messages with files inside project directories should initialize projects): " This is for some other file, ignore this one. call ale#lsp#HandleOtherInitializeResponses(b:conn, { \ 'method': 'textDocument/publishDiagnostics', \ 'params': {'uri': 'file:///xyz/bar/baz.txt'}, \}) AssertEqual \ { \ 'initialized': 0, \ 'init_request_id': 3, \ 'message_queue': [], \ }, \ b:project call ale#lsp#HandleOtherInitializeResponses(b:conn, { \ 'method': 'textDocument/publishDiagnostics', \ 'params': {'uri': 'file:///foo/bar/baz.txt'}, \}) AssertEqual \ { \ 'initialized': 1, \ 'init_request_id': 3, \ 'message_queue': [], \ }, \ b:project Execute(Messages with no method and capabilities should initialize projects): call ale#lsp#HandleOtherInitializeResponses(b:conn, { \ 'result': {'capabilities': {}}, \}) AssertEqual \ { \ 'initialized': 1, \ 'init_request_id': 3, \ 'message_queue': [], \ }, \ b:project Execute(Other messages should not initialize projects): call ale#lsp#HandleOtherInitializeResponses(b:conn, {'method': 'lolwat'}) AssertEqual 0, b:project.initialized call ale#lsp#HandleOtherInitializeResponses(b:conn, {'result': {'x': {}}}) AssertEqual 0, b:project.initialized Execute(Capabilities should bet set up correctly): call ale#lsp#HandleOtherInitializeResponses(b:conn, { \ 'jsonrpc': '2.0', \ 'id': 1, \ 'result': { \ 'capabilities': { \ 'renameProvider': v:true, \ 'executeCommandProvider': { \ 'commands': [], \ }, \ 'hoverProvider': v:true, \ 'documentSymbolProvider': v:true, \ 'documentRangeFormattingProvider': v:true, \ 'codeLensProvider': { \ 'resolveProvider': v:false \ }, \ 'referencesProvider': v:true, \ 'textDocumentSync': 2, \ 'documentFormattingProvider': v:true, \ 'codeActionProvider': v:true, \ 'signatureHelpProvider': { \ 'triggerCharacters': ['(', ','], \ }, \ 'completionProvider': { \ 'triggerCharacters': ['.'], \ 'resolveProvider': v:false \ }, \ 'definitionProvider': v:true, \ 'experimental': {}, \ 'documentHighlightProvider': v:true \ }, \ }, \}) AssertEqual \ { \ 'capabilities': { \ 'completion_trigger_characters': ['.'], \ 'completion': 1, \ 'references': 1, \ 'hover': 1, \ 'definition': 1, \ }, \ 'message_queue': [], \ 'projects': { \ '/foo/bar': { \ 'initialized': 1, \ 'message_queue': [], \ 'init_request_id': 3, \ }, \ }, \ }, \ b:conn Execute(Disabled capabilities should be recognised correctly): call ale#lsp#HandleOtherInitializeResponses(b:conn, { \ 'jsonrpc': '2.0', \ 'id': 1, \ 'result': { \ 'capabilities': { \ 'renameProvider': v:true, \ 'executeCommandProvider': { \ 'commands': [], \ }, \ 'hoverProvider': v:false, \ 'documentSymbolProvider': v:true, \ 'documentRangeFormattingProvider': v:true, \ 'codeLensProvider': { \ 'resolveProvider': v:false \ }, \ 'referencesProvider': v:false, \ 'textDocumentSync': 2, \ 'documentFormattingProvider': v:true, \ 'codeActionProvider': v:true, \ 'signatureHelpProvider': { \ 'triggerCharacters': ['(', ','], \ }, \ 'definitionProvider': v:false, \ 'experimental': {}, \ 'documentHighlightProvider': v:true \ }, \ }, \}) AssertEqual \ { \ 'capabilities': { \ 'completion_trigger_characters': [], \ 'completion': 0, \ 'references': 0, \ 'hover': 0, \ 'definition': 0, \ }, \ 'message_queue': [], \ 'projects': { \ '/foo/bar': { \ 'initialized': 1, \ 'message_queue': [], \ 'init_request_id': 3, \ }, \ }, \ }, \ b:conn