Adding --no-color flag to stylelint args (#5050)

* Adding --no-color flag to sass stylelint

* Adding --no-color to all stylelint args

* Adding --no-color expectation to stylelint tests

* Properly handling SyntaxError for stylelint; adding corresponding test

* Fixing CSS stylelint parameters and adding regression test

test/linter/test_css_stylelint.vader

@@ -0,0 +1,33 @@
+Before:
+  call ale#assert#SetUpLinterTest('css', 'stylelint')
+  unlet! b:executable
+
+After:
+  unlet! b:executable
+  call ale#assert#TearDownLinterTest()
+
+Execute(node_modules directories should be discovered):
+  call ale#test#SetFilename('../test-files/stylelint/nested/testfile.css')
+
+  let b:executable = ale#path#Simplify(
+  \   g:dir
+  \   . '/../test-files/stylelint/node_modules/.bin/stylelint'
+  \)
+
+  AssertLinter b:executable, ale#Escape(b:executable) . '  --no-color --stdin-filename %s'
+
+Execute(The global override should work):
+  let b:ale_css_stylelint_executable = 'foobar'
+  let b:ale_css_stylelint_use_global = 1
+
+  call ale#test#SetFilename('../test-files/stylelint/nested/testfile.css')
+
+  AssertLinter 'foobar', ale#Escape('foobar') . '  --no-color --stdin-filename %s'
+
+Execute(Extra options should be configurable):
+  call ale#test#SetFilename('../test-files/dummy')
+
+  let b:ale_css_stylelint_options = '--configFile ''/absolute/path/to/file'''
+
+  AssertLinter 'stylelint',
+  \ ale#Escape('stylelint') . '  --configFile ''/absolute/path/to/file'' --no-color --stdin-filename %s'

test/linter/test_html_stylelint.vader

@@ -37,7 +37,7 @@ Execute(node_modules directories should be discovered):
 
   AssertEqual b:executable, ale_linters#html#stylelint#GetExecutable(bufnr(''))
   AssertEqual
-  \ ale#Escape(b:executable) . ' --stdin-filename %s',
+  \ ale#Escape(b:executable) . ' --no-color --stdin-filename %s',
   \ ale_linters#html#stylelint#GetCommand(bufnr(''))
 
 Execute(The global override should work):
@@ -48,7 +48,7 @@ Execute(The global override should work):
 
   AssertEqual 'foobar', ale_linters#html#stylelint#GetExecutable(bufnr(''))
   AssertEqual
-  \ ale#Escape('foobar') . ' --stdin-filename %s',
+  \ ale#Escape('foobar') . ' --no-color --stdin-filename %s',
   \ ale_linters#html#stylelint#GetCommand(bufnr(''))
 
 Execute(Extra options should be configurable):
@@ -56,5 +56,5 @@ Execute(Extra options should be configurable):
 
   AssertEqual 'stylelint', ale_linters#html#stylelint#GetExecutable(bufnr(''))
   AssertEqual
-  \ ale#Escape('stylelint') . ' --whatever --stdin-filename %s',
+  \ ale#Escape('stylelint') . ' --whatever --no-color --stdin-filename %s',
   \ ale_linters#html#stylelint#GetCommand(bufnr(''))

test/linter/test_less_stylelint.vader

@@ -14,7 +14,7 @@ Execute(node_modules directories should be discovered):
   \   . '/../test-files/stylelint/node_modules/.bin/stylelint'
   \)
 
-  AssertLinter b:executable, ale#Escape(b:executable) . ' --stdin-filename %s'
+  AssertLinter b:executable, ale#Escape(b:executable) . ' --no-color --stdin-filename %s'
 
 Execute(The global override should work):
   let b:ale_less_stylelint_executable = 'foobar'
@@ -22,11 +22,11 @@ Execute(The global override should work):
 
   call ale#test#SetFilename('../test-files/stylelint/nested/testfile.less')
 
-  AssertLinter 'foobar', ale#Escape('foobar') . ' --stdin-filename %s'
+  AssertLinter 'foobar', ale#Escape('foobar') . ' --no-color --stdin-filename %s'
 
 Execute(Extra options should be configurable):
   let b:ale_less_stylelint_options = '--whatever'
   call ale#test#SetFilename('../test-files/dummy')
 
   AssertLinter 'stylelint',
-  \ ale#Escape('stylelint') . ' --whatever --stdin-filename %s'
+  \ ale#Escape('stylelint') . ' --whatever --no-color --stdin-filename %s'

test/linter/test_scss_stylelint.vader

@@ -14,7 +14,7 @@ Execute(node_modules directories should be discovered):
   \   . '/../test-files/stylelint/node_modules/.bin/stylelint'
   \)
 
-  AssertLinter b:executable, ale#Escape(b:executable) . '  --stdin-filename %s'
+  AssertLinter b:executable, ale#Escape(b:executable) . '  --no-color --stdin-filename %s'
 
 Execute(The global override should work):
   let b:ale_scss_stylelint_executable = 'foobar'
@@ -22,7 +22,7 @@ Execute(The global override should work):
 
   call ale#test#SetFilename('../test-files/stylelint/nested/testfile.scss')
 
-  AssertLinter 'foobar', ale#Escape('foobar') . '  --stdin-filename %s'
+  AssertLinter 'foobar', ale#Escape('foobar') . '  --no-color --stdin-filename %s'
 
 Execute(Extra options should be configurable):
   call ale#test#SetFilename('../test-files/dummy')
@@ -30,4 +30,4 @@ Execute(Extra options should be configurable):
   let b:ale_scss_stylelint_options = '--configFile ''/absolute/path/to/file'''
 
   AssertLinter 'stylelint',
-  \ ale#Escape('stylelint') . '  --configFile ''/absolute/path/to/file'' --stdin-filename %s'
+  \ ale#Escape('stylelint') . '  --configFile ''/absolute/path/to/file'' --no-color --stdin-filename %s'

test/linter/test_sugarss_stylelint.vader

@@ -14,7 +14,7 @@ Execute(node_modules directories should be discovered):
   \   . '/../test-files/stylelint/node_modules/.bin/stylelint'
   \)
 
-  AssertLinter b:executable, ale#Escape(b:executable) . '  --syntax=sugarss --stdin-filename %s'
+  AssertLinter b:executable, ale#Escape(b:executable) . '  --syntax=sugarss --no-color --stdin-filename %s'
 
 Execute(The global override should work):
   let b:ale_sugarss_stylelint_executable = 'foobar'
@@ -22,7 +22,7 @@ Execute(The global override should work):
 
   call ale#test#SetFilename('../test-files/stylelint/nested/testfile.sss')
 
-  AssertLinter 'foobar', ale#Escape('foobar') . '  --syntax=sugarss --stdin-filename %s'
+  AssertLinter 'foobar', ale#Escape('foobar') . '  --syntax=sugarss --no-color --stdin-filename %s'
 
 Execute(Extra options should be configurable):
   call ale#test#SetFilename('../test-files/dummy')
@@ -30,4 +30,4 @@ Execute(Extra options should be configurable):
   let b:ale_sugarss_stylelint_options = '--configFile ''/absolute/path/to/file'''
 
   AssertLinter 'stylelint',
-  \ ale#Escape('stylelint') . '  --configFile ''/absolute/path/to/file'' --syntax=sugarss --stdin-filename %s'
+  \ ale#Escape('stylelint') . '  --configFile ''/absolute/path/to/file'' --syntax=sugarss --no-color --stdin-filename %s'