7053d468cc
Implement a function `ale#lsp_linter#SendRequest` that allows to send custom LSP requests to an enabled LSP linter. Resolves #2474
120 lines
3.1 KiB
Text
120 lines
3.1 KiB
Text
Before:
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runtime autoload/ale/linter.vim
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runtime autoload/ale/lsp.vim
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runtime autoload/ale/lsp_linter.vim
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let g:address = 'ccls_address'
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let g:callback_result = 0
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let g:conn_id = -1
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let g:executable = 'ccls'
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let g:linter_name = 'ccls'
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let g:magic_number = 42
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let g:message = -1
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let g:message_id = 1
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let g:method = '$ccls/call'
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let g:parameters = {}
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let g:project = '/project/root'
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let g:return_value = -1
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let g:linter_list = [{
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\ 'output_stream': 'stdout',
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\ 'lint_file': 0,
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\ 'language': 'cpp',
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\ 'name': g:linter_name,
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\ 'project_root': {b -> g:project},
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\ 'aliases': [],
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\ 'language_callback': {b -> 'cpp'},
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\ 'read_buffer': 1,
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\ 'command': '%e'
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\ }]
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" Encode dictionary to jsonrpc
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function! Encode(obj) abort
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let l:body = json_encode(a:obj)
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return 'Content-Length: ' . strlen(l:body) . "\r\n\r\n" . l:body
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endfunction
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" Register the server with given executable or address
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function! InitServer(executable_or_address) abort
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let g:conn_id = ale#lsp#Register(a:executable_or_address, g:project, {})
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call ale#lsp#HandleMessage(g:conn_id, Encode({'method': 'initialize'}))
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endfunction
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" Dummy callback
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function! Callback(response) abort
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let g:callback_result = a:response.result.value
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endfunction
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" Replace the GetAll function to mock an LSP linter
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function! ale#linter#GetAll(filetype) abort
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return g:linter_list
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endfunction
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" Replace the Send function to mock an LSP linter
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function! ale#lsp#Send(conn_id, message) abort
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let g:message = a:message
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return g:message_id
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endfunction
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" Code for a test case
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function! TestCase() abort
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" Test sending a custom request
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let g:return_value = ale#lsp_linter#SendRequest(bufnr('%'), g:linter_name, g:method, g:parameters, function('Callback'))
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AssertEqual
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\ 0,
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\ g:return_value
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AssertEqual
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\ [0, g:method, g:parameters],
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\ g:message
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" Mock an incoming response to the request
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call ale#lsp#HandleMessage(g:conn_id, Encode({'id': g:message_id, 'jsonrpc': '2.0', 'result': {'value': g:magic_number}}))
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AssertEqual
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\ g:magic_number,
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\ g:callback_result
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endfunction
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After:
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if g:conn_id isnot v:null
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call ale#lsp#RemoveConnectionWithID(g:conn_id)
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endif
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unlet! g:callback_result
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unlet! g:conn_id
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unlet! g:executable
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unlet! g:linter_name
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unlet! g:magic_number
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unlet! g:message
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unlet! g:message_id
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unlet! g:method
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unlet! g:parameters
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unlet! g:project
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unlet! g:return_value
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delfunction Encode
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delfunction InitServer
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delfunction Callback
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delfunction TestCase
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runtime autoload/ale/linter.vim
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runtime autoload/ale/lsp.vim
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runtime autoload/ale/lsp_linter.vim
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Given cpp(Empty cpp file):
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Execute(Test custom request to server identified by executable):
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call InitServer(g:executable)
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let g:linter_list[0].executable = {b -> g:executable}
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let g:linter_list[0].lsp = 'stdio'
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call TestCase()
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Given cpp(Empty cpp file):
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Execute(Test custom request to server identified by address):
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call InitServer(g:address)
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let g:linter_list[0].address = {b -> g:address}
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let g:linter_list[0].lsp = 'socket'
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call TestCase()
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