Add textlint for Asciidoc and add it to Fixers (#2193)

* Add textlint for asciidoc
* Add textlint --fix

9 files changed, 145 insertions, 2 deletions

diff --git a/README.md b/README.md
index 73217677..cb7f643d 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ formatting.
 | ASM | [gcc](https://gcc.gnu.org) |
 | Ansible | [ansible-lint](https://github.com/willthames/ansible-lint) |
 | API Blueprint | [drafter](https://github.com/apiaryio/drafter) |
-| AsciiDoc | [alex](https://github.com/wooorm/alex) !!, [proselint](http://proselint.com/), [redpen](http://redpen.cc/), [write-good](https://github.com/btford/write-good), [vale](https://github.com/ValeLint/vale) |
+| AsciiDoc | [alex](https://github.com/wooorm/alex) !!, [proselint](http://proselint.com/), [redpen](http://redpen.cc/), [write-good](https://github.com/btford/write-good), [vale](https://github.com/ValeLint/vale), [textlint](https://textlint.github.io/) |
 | Awk | [gawk](https://www.gnu.org/software/gawk/)|
 | Bash | [language-server](https://github.com/mads-hartmann/bash-language-server), shell [-n flag](https://www.gnu.org/software/bash/manual/bash.html#index-set), [shellcheck](https://www.shellcheck.net/), [shfmt](https://github.com/mvdan/sh) |
 | BibTeX | [bibclean](http://ftp.math.utah.edu/pub/bibclean/) |
diff --git a/ale_linters/asciidoc/textlint.vim b/ale_linters/asciidoc/textlint.vim
new file mode 100644
index 00000000..757718b9
--- /dev/null
+++ b/ale_linters/asciidoc/textlint.vim
@@ -0,0 +1,9 @@
+" Author: TANIGUCHI Masaya <ta2gch@gmail.com>
+" Description: textlint for AsciiDoc files
+
+call ale#linter#Define('asciidoc', {
+\   'name': 'textlint',
+\   'executable_callback': 'ale#handlers#textlint#GetExecutable',
+\   'command_callback': 'ale#handlers#textlint#GetCommand',
+\   'callback': 'ale#handlers#textlint#HandleTextlintOutput',
+\})
diff --git a/autoload/ale/fix/registry.vim b/autoload/ale/fix/registry.vim
index 6a8fd382..a7422f22 100644
--- a/autoload/ale/fix/registry.vim
+++ b/autoload/ale/fix/registry.vim
@@ -170,6 +170,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['rust'],
 \       'description': 'Fix Rust files with Rustfmt.',
 \   },
+\   'textlint': {
+\       'function': 'ale#fixers#textlint#Fix',
+\       'suggested_filetypes': ['text','markdown','asciidoc'],
+\       'description': 'Fix text files with textlint --fix',
+\   },
 \   'hackfmt': {
 \       'function': 'ale#fixers#hackfmt#Fix',
 \       'suggested_filetypes': ['hack'],
diff --git a/autoload/ale/fixers/textlint.vim b/autoload/ale/fixers/textlint.vim
new file mode 100644
index 00000000..38ab2bfd
--- /dev/null
+++ b/autoload/ale/fixers/textlint.vim
@@ -0,0 +1,15 @@
+" Author: TANIGUCHI Masaya <ta2gch@gmail.com>
+" Description: Integration of textlint with ALE.
+
+function! ale#fixers#textlint#Fix(buffer) abort
+    let l:executable = ale#handlers#textlint#GetExecutable(a:buffer)
+    let l:options = ale#Var(a:buffer, 'textlint_options')
+
+    return {
+    \   'command': ale#Escape(l:executable)
+    \       . ' --fix'
+    \       . (empty(l:options) ? '' : ' ' . l:options)
+    \       . ' %t',
+    \   'read_temporary_file': 1,
+    \}
+endfunction
diff --git a/doc/ale-asciidoc.txt b/doc/ale-asciidoc.txt
index b6b64fd3..86629fd4 100644
--- a/doc/ale-asciidoc.txt
+++ b/doc/ale-asciidoc.txt
@@ -9,4 +9,10 @@ See |ale-write-good-options|
 
 
 ===============================================================================
+textlint                                                *ale-asciidoc-textlint*
+
+See |ale-text-textlint|
+
+
+===============================================================================
 vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:
diff --git a/doc/ale.txt b/doc/ale.txt
index 6bedf755..27d91605 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -27,6 +27,7 @@ CONTENTS                                                         *ale-contents*
       ansible-lint........................|ale-ansible-ansible-lint|
     asciidoc..............................|ale-asciidoc-options|
       write-good..........................|ale-asciidoc-write-good|
+      textlint............................|ale-asciidoc-textlint|
     asm...................................|ale-asm-options|
       gcc.................................|ale-asm-gcc|
     awk...................................|ale-awk-options|
@@ -407,7 +408,7 @@ Notes:
 * ASM: `gcc`
 * Ansible: `ansible-lint`
 * API Blueprint: `drafter`
-* AsciiDoc: `alex`!!, `proselint`, `redpen`, `write-good`, `vale`
+* AsciiDoc: `alex`!!, `proselint`, `redpen`, `write-good`, `vale`, `textlint`
 * Awk: `gawk`
 * Bash: `language-server`, `shell` (-n flag), `shellcheck`, `shfmt`
 * BibTeX: `bibclean`
diff --git a/test/command_callback/test_asciidoc_textlint_command_callbacks.vader b/test/command_callback/test_asciidoc_textlint_command_callbacks.vader
new file mode 100644
index 00000000..623833b2
--- /dev/null
+++ b/test/command_callback/test_asciidoc_textlint_command_callbacks.vader
@@ -0,0 +1,65 @@
+" Author: januswel, w0rp
+
+Before:
+  " This is just one language for the linter.
+  call ale#assert#SetUpLinterTest('asciidoc', 'textlint')
+
+  " The configuration is shared between many languages.
+  Save g:ale_textlint_executable
+  Save g:ale_textlint_use_global
+  Save g:ale_textlint_options
+
+  let g:ale_textlint_executable = 'textlint'
+  let g:ale_textlint_use_global = 0
+  let g:ale_textlint_options = ''
+
+  unlet! b:ale_textlint_executable
+  unlet! b:ale_textlint_use_global
+  unlet! b:ale_textlint_options
+
+After:
+  unlet! b:command_tail
+  unlet! b:ale_textlint_executable
+  unlet! b:ale_textlint_use_global
+  unlet! b:ale_textlint_options
+
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'textlint',
+  \ ale#Escape('textlint') . ' -f json --stdin --stdin-filename %s'
+
+Execute(The executable should be configurable):
+  let b:ale_textlint_executable = 'foobar'
+
+  AssertLinter 'foobar',
+  \ ale#Escape('foobar') . ' -f json --stdin --stdin-filename %s'
+
+Execute(The options should be configurable):
+  let b:ale_textlint_options = '--something'
+
+  AssertLinter 'textlint',
+  \ ale#Escape('textlint') . ' --something -f json --stdin --stdin-filename %s'
+
+Execute(The local executable from .bin should be used if available):
+  call ale#test#SetFilename('textlint_paths/with_bin_path/foo.txt')
+
+  AssertLinter
+  \ ale#path#Simplify(g:dir . '/textlint_paths/with_bin_path/node_modules/.bin/textlint'),
+  \ ale#Escape(ale#path#Simplify(g:dir . '/textlint_paths/with_bin_path/node_modules/.bin/textlint'))
+  \   . ' -f json --stdin --stdin-filename %s'
+
+Execute(The local executable from textlint/bin should be used if available):
+  call ale#test#SetFilename('textlint_paths/with_textlint_bin_path/foo.txt')
+
+  if has('win32')
+    AssertLinter
+    \ ale#path#Simplify(g:dir . '/textlint_paths/with_textlint_bin_path/node_modules/textlint/bin/textlint.js'),
+    \ ale#Escape('node.exe') . ' ' . ale#Escape(ale#path#Simplify(g:dir . '/textlint_paths/with_textlint_bin_path/node_modules/textlint/bin/textlint.js'))
+    \   . ' -f json --stdin --stdin-filename %s'
+  else
+    AssertLinter
+    \ ale#path#Simplify(g:dir . '/textlint_paths/with_textlint_bin_path/node_modules/textlint/bin/textlint.js'),
+    \ ale#Escape(ale#path#Simplify(g:dir . '/textlint_paths/with_textlint_bin_path/node_modules/textlint/bin/textlint.js'))
+    \   . ' -f json --stdin --stdin-filename %s'
+  endif
diff --git a/test/fixers/test_textlint_fixer_callback.vader b/test/fixers/test_textlint_fixer_callback.vader
new file mode 100644
index 00000000..2848cfa5
--- /dev/null
+++ b/test/fixers/test_textlint_fixer_callback.vader
@@ -0,0 +1,42 @@
+Before:
+  Save g:ale_textlint_executable
+  Save g:ale_textlint_options
+  Save g:ale_textlint_use_global
+
+  " Use an invalid global executable, so we don't match it.
+  let g:ale_textlint_executable = 'xxxinvalid'
+  let g:ale_textlint_options = ''
+  let g:ale_textlint_use_global = 0
+
+  call ale#test#SetDirectory('/testplugin/test/fixers')
+
+After:
+  Restore
+
+  call ale#test#RestoreDirectory()
+
+Execute(The textlint callback should return the correct default values):
+  call ale#test#SetFilename('../markdown_files/testfile.md')
+
+  AssertEqual
+  \ {
+  \   'read_temporary_file': 1,
+  \   'command': ale#Escape('xxxinvalid')
+  \     . ' --fix'
+  \     . ' %t',
+  \ },
+  \ ale#fixers#textlint#Fix(bufnr(''))
+
+Execute(The textlint callback should include custom textlint options):
+  let g:ale_textlint_options = "--quiet"
+  call ale#test#SetFilename('../markdown_files/testfile.md')
+
+  AssertEqual
+  \ {
+  \   'read_temporary_file': 1,
+  \   'command': ale#Escape('xxxinvalid')
+  \     . ' --fix'
+  \     . ' ' . g:ale_textlint_options
+  \     . ' %t',
+  \ },
+  \ ale#fixers#textlint#Fix(bufnr(''))
diff --git a/test/markdown_files/testfile.md b/test/markdown_files/testfile.md
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/markdown_files/testfile.md