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Close #3285 - lint_file is now dynamic

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`lint_file` can now be computed dynamically with a callback function,
which can return a deferred result, as per `ale#command#Run`. This
allows linters to dynamically switch between checking files on disk,
or checking code on the fly.

Some tests have been fixed on Windows.
This commit is contained in:
w0rp
2020-08-28 14:02:05 +01:00
parent b8c0ac2e61
commit 34e409ea21
9 changed files with 276 additions and 62 deletions
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15
test/test_linter_defintion_processing.vader
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@@ -174,7 +174,7 @@ Execute(PreProcess should process the lint_file option correctly):
\}
AssertThrows call ale#linter#PreProcess('testft', g:linter)
AssertEqual '`lint_file` must be `0` or `1`', g:vader_exception
AssertEqual '`lint_file` must be `0`, `1`, or a Function', g:vader_exception
let g:linter.lint_file = 0
@@ -185,14 +185,17 @@ Execute(PreProcess should process the lint_file option correctly):
let g:linter.lint_file = 1
AssertEqual 1, ale#linter#PreProcess('testft', g:linter).lint_file
" The default for read_buffer should change to 0 when lint_file is 1.
AssertEqual 0, ale#linter#PreProcess('testft', g:linter).read_buffer
" The default for read_buffer should still be 1
AssertEqual 1, ale#linter#PreProcess('testft', g:linter).read_buffer
let g:linter.read_buffer = 1
" We shouldn't be able to set both options to 1 at the same time.
AssertThrows call ale#linter#PreProcess('testft', g:linter)
AssertEqual 'Only one of `lint_file` or `read_buffer` can be `1`', g:vader_exception
" We should be able to set `read_buffer` and `lint_file` at the same time.
AssertEqual 1, ale#linter#PreProcess('testft', g:linter).read_buffer
let g:linter.lint_file = function('type')
Assert type(ale#linter#PreProcess('testft', g:linter).lint_file) is v:t_func
Execute(PreProcess should set a default value for lint_file):
let g:linter = {