feat: support sqlformat. (#2702)

* feat: support sqlformat.

autoload/ale/fix/registry.vim

@@ -260,6 +260,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['sql'],
 \       'description': 'Fix SQL files with sqlfmt.',
 \   },
+\   'sqlformat': {
+\       'function': 'ale#fixers#sqlformat#Fix',
+\       'suggested_filetypes': ['sql'],
+\       'description': 'Fix SQL files with sqlformat.',
+\   },
 \   'google_java_format': {
 \       'function': 'ale#fixers#google_java_format#Fix',
 \       'suggested_filetypes': ['java'],

autoload/ale/fixers/sqlformat.vim

@@ -0,0 +1,16 @@
+" Author: Cluas <Cluas@live.cn>
+" Description: Fixing files with sqlformat.
+
+call ale#Set('sql_sqlformat_executable', 'sqlformat')
+call ale#Set('sql_sqlformat_options', '')
+
+function! ale#fixers#sqlformat#Fix(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'sql_sqlformat_executable')
+    let l:options = ale#Var(a:buffer, 'sql_sqlformat_options')
+
+    return {
+    \ 'command': ale#Escape(l:executable)
+    \ . (!empty(l:options) ? ' ' . l:options : '')
+    \ . ' -'
+    \}
+endfunction

doc/ale-sql.txt

@@ -39,5 +39,23 @@ g:ale_sql_sqlfmt_options                             *g:ale_sql_sqlfmt_options*
   At this time only the -u flag is available to format with upper-case.
 
 
+===============================================================================
+sqlformat                                                   *ale-sql-sqlformat*
+
+g:ale_sql_sqlformat_executable                 *g:ale_sql_sqlformat_executable*
+                                               *b:ale_sql_sqlformat_executable*
+  Type: |String|
+  Default: `'sqlformat'`
+
+  This variable sets executable used for sqlformat.
+
+g:ale_sql_sqlformat_options                       *g:ale_sql_sqlformat_options*
+                                                  *b:ale_sql_sqlformat_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to the sqlformat fixer.
+
+
 ===============================================================================
   vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

doc/ale-supported-languages-and-tools.txt

@@ -426,6 +426,7 @@ Notes:
 * SQL
   * `pgformatter`
   * `sqlfmt`
+  * `sqlformat`
   * `sqlint`
 * Stylus
   * `stylelint`

doc/ale.txt

@@ -2377,6 +2377,7 @@ documented in additional help files.
   sql.....................................|ale-sql-options|
     pgformatter...........................|ale-sql-pgformatter|
     sqlfmt................................|ale-sql-sqlfmt|
+    sqlformat.............................|ale-sql-sqlformat|
   stylus..................................|ale-stylus-options|
     stylelint.............................|ale-stylus-stylelint|
   sugarss.................................|ale-sugarss-options|

supported-tools.md

@@ -435,6 +435,7 @@ formatting.
 * SQL
   * [pgformatter](https://github.com/darold/pgFormatter)
   * [sqlfmt](https://github.com/jackc/sqlfmt)
+  * [sqlformat](https://github.com/andialbrecht/sqlparse)
   * [sqlint](https://github.com/purcell/sqlint)
 * Stylus
   * [stylelint](https://github.com/stylelint/stylelint)

test/fixers/test_sqlformat_fixer_callback.vader

@@ -0,0 +1,24 @@
+Before:
+  Save g:ale_sql_sqlformat_executable
+  Save g:ale_sql_sqlformat_options
+
+After:
+  Restore
+
+Execute(The sqlformat callback should return the correct default values):
+  AssertEqual
+  \ {
+  \   'command': ale#Escape('sqlformat') . ' -'
+  \ },
+  \ ale#fixers#sqlformat#Fix(bufnr(''))
+
+Execute(The sqlformat executable and options should be configurable):
+  let g:ale_sql_sqlformat_executable = '/path/to/sqlformat'
+  let g:ale_sql_sqlformat_options = '-a'
+
+  AssertEqual
+  \ {
+  \   'command': ale#Escape('/path/to/sqlformat')
+  \ . ' -a -'
+  \ },
+  \ ale#fixers#sqlformat#Fix(bufnr(''))