Add fixer tidy for HTML

Add tests for tidy HTML fixer

autoload/ale/fix/registry.vim

@@ -22,6 +22,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['python'],
 \       'description': 'Fix PEP8 issues with black.',
 \   },
+\   'tidy': {
+\       'function': 'ale#fixers#tidy#Fix',
+\       'suggested_filetypes': ['html'],
+\       'description': 'Fix HTML files with tidy.',
+\   },
 \   'prettier_standard': {
 \       'function': 'ale#fixers#prettier_standard#Fix',
 \       'suggested_filetypes': ['javascript'],

autoload/ale/fixers/tidy.vim

@@ -0,0 +1,26 @@
+" Author: meain <abinsimon10@gmail.com>
+" Description: Fixing HTML files with tidy.
+
+call ale#Set('html_tidy_executable', 'tidy')
+call ale#Set('html_tidy_use_global', get(g:, 'ale_use_global_executables', 0))
+
+function! ale#fixers#tidy#Fix(buffer) abort
+    let l:executable = ale#node#FindExecutable(
+    \   a:buffer,
+    \   'html_tidy',
+    \   ['tidy'],
+    \)
+
+    if !executable(l:executable)
+        return 0
+    endif
+
+    let l:config = ale#path#FindNearestFile(a:buffer, '.tidyrc')
+    let l:config_options = !empty(l:config)
+    \   ? ' -q --tidy-mark no --show-errors 0 --show-warnings 0 -config ' . ale#Escape(l:config)
+    \   : ' -q --tidy-mark no --show-errors 0 --show-warnings 0'
+
+    return {
+    \   'command': ale#Escape(l:executable) . l:config_options,
+    \}
+endfunction

doc/ale-html.txt

@@ -71,6 +71,14 @@ g:ale_html_tidy_options                               *g:ale_html_tidy_options*
   (mac), sjis (shiftjis), utf-16le, utf-16, utf-8
 
 
+g:ale_html_tidy_use_global                             *g:html_tidy_use_global*
+
+  Type: |Number|
+  Default: `get(g:, 'ale_use_global_executables', 0)`
+
+  See |ale-integrations-local-executables|
+
+
 ===============================================================================
 write-good                                                *ale-html-write-good*
 

test/fixers/test_tidy_fixer_callback.vader

@@ -0,0 +1,29 @@
+Before:
+  Save g:ale_html_tidy_executable
+
+  let g:ale_html_tidy_executable = 'tidy_paths/tidy'
+
+  call ale#test#SetDirectory('/testplugin/test/fixers')
+
+  silent cd ..
+  silent cd command_callback
+  let g:dir = getcwd()
+
+After:
+  Restore
+
+  call ale#test#RestoreDirectory()
+
+Execute(The tidy callback should return 0 if tidy not found):
+  let g:ale_html_tidy_executable = 'xxxinvalidpath'
+  AssertEqual
+  \ 0,
+  \ ale#fixers#tidy#Fix(bufnr(''))
+
+Execute(The tidy callback should return the correct default command):
+  AssertEqual
+  \ {
+  \   'command': ale#Escape('tidy_paths/tidy')
+  \     . ' -q --tidy-mark no --show-errors 0 --show-warnings 0'
+  \ },
+  \ ale#fixers#tidy#Fix(bufnr(''))