ale/test/handler/test_crystal_handler.vader

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Before:
runtime ale_linters/crystal/crystal.vim
After:
call ale#linter#Reset()
Execute(The crystal handler should parse lines correctly and add the column if it can):
AssertEqual
\ [
\ {
\ 'lnum': 2,
\ 'col': 1,
\ 'text': 'unexpected token: EOF'
\ }
\ ],
\ ale_linters#crystal#crystal#Handle(255, [
\ '[{"file":"/tmp/test.cr","line":2,"column":1,"size":null,"message":"unexpected token: EOF"}]'
\ ])
Execute(The crystal handler should not fail when a missing file is required):
AssertEqual
\ [ { 'lnum':1, 'col': 1, 'text': 'while requiring "./nonexistent.cr"' } ],
\ ale_linters#crystal#crystal#Handle(255,
\ json_encode([
\ { "file":"/tmp/file.cr","line":1,"column":1,"size":0,"message":"while requiring \"./nonexistent.cr\"" },
\ { "message": "can't find file './nonexistent.cr' relative to '/tmp'" },
\ ])
\ )