Before: runtime ale_linters/prolog/swipl.vim After: call ale#linter#Reset() Execute (The swipl handler should handle oneline warning / error): call ale#test#SetFilename('test.pl') AssertEqual \ [ \ { \ 'lnum': 5, \ 'col': 1, \ 'text': 'Syntax error: Operator expected', \ 'type': 'E', \ }, \ ], \ ale_linters#prolog#swipl#Handle(bufnr(''), [ \ 'ERROR: /path/to/test.pl:5:1: Syntax error: Operator expected', \ ]) Execute (The swipl handler should handle a warning / error of two lines): call ale#test#SetFilename('test.pl') AssertEqual \ [ \ { \ 'lnum': 9, \ 'col': 0, \ 'text': 'Singleton variables: [M]', \ 'type': 'W', \ }, \ ], \ ale_linters#prolog#swipl#Handle(bufnr(''), [ \ 'Warning: /path/to/test.pl:9:', \ ' Singleton variables: [M]', \ ]) Execute (The swipl handler should join three or more lines with '. '): call ale#test#SetFilename('test.pl') AssertEqual \ [ \ { \ 'lnum': 10, \ 'col': 0, \ 'text': 'Clauses of fib/2 are not together in the source-file. Earlier definition at /path/to/test.pl:7. Current predicate: f/0. Use :- discontiguous fib/2. to suppress this message', \ 'type': 'W', \ }, \ ], \ ale_linters#prolog#swipl#Handle(bufnr(''), [ \ 'Warning: /path/to/test.pl:10:', \ ' Clauses of fib/2 are not together in the source-file', \ ' Earlier definition at /path/to/test.pl:7', \ ' Current predicate: f/0', \ ' Use :- discontiguous fib/2. to suppress this message', \ ]) Execute (The swipl handler should ignore warnings / errors 'No permission to call sandboxed ...'): call ale#test#SetFilename('test.pl') AssertEqual \ [], \ ale_linters#prolog#swipl#Handle(bufnr(''), [ \ 'ERROR: /path/to/test.pl:11:', \ ' No permission to call sandboxed `''$set_predicate_attribute''(_G3416:_G3417,_G3413,_G3414)''', \ ' Reachable from:', \ ' system:''$set_pattr''(A,B,C,D)', \ ' system:''$set_pattr''(vimscript:A,B,C)', \ ' vimscript: (multifile A)', \ 'ERROR: /path/to/test.pl:12:', \ ' No permission to call sandboxed `''$set_predicate_attribute''(_G205:_G206,_G202,_G203)''', \ ' Reachable from:', \ ' system:''$set_pattr''(A,B,C,D)', \ ' system:''$set_pattr''(vimscript:A,B,C)', \ ' vimscript: (multifile A)', \ 'ERROR: /path/to/test.pl:13:', \ ' No permission to call sandboxed `''$set_predicate_attribute''(_G1808:_G1809,_G1805,_G1806)''', \ ' Reachable from:', \ ' system:''$set_pattr''(A,B,C,D)', \ ' system:''$set_pattr''(vimscript:A,B,C)', \ ' vimscript: (multifile A)', \ ]) Execute (The swipl handler should handle a warning / error with no line number): call ale#test#SetFilename('test.pl') AssertEqual \ [ \ { \ 'lnum': 1, \ 'col': 0, \ 'text': 'Exported procedure module_name:pred/0 is not defined', \ 'type': 'E', \ }, \ ], \ ale_linters#prolog#swipl#Handle(bufnr(''), [ \ 'ERROR: Exported procedure module_name:pred/0 is not defined', \ ])