Report problems in other files for brakeman, and get the tests to pass on Windows

ale_linters/ruby/brakeman.vim

@@ -7,23 +7,19 @@ let g:ale_ruby_brakeman_options =
 function! ale_linters#ruby#brakeman#Handle(buffer, lines) abort
     let l:output = []
     let l:json = ale#util#FuzzyJSONDecode(a:lines, {})
+    let l:sep = has('win32') ? '\' : '/'
+    " Brakeman always outputs paths relative to the Rails app root
+    let l:rails_root = ale#ruby#FindRailsRoot(a:buffer)
 
     for l:warning in get(l:json, 'warnings', [])
-        " Brakeman always outputs paths relative to the Rails app root
-        let l:rails_root = ale#ruby#FindRailsRoot(a:buffer)
-        let l:warning_file = l:rails_root . '/' . l:warning.file
-
-        if !ale#path#IsBufferPath(a:buffer, l:warning_file)
-          continue
-        endif
-
         let l:text = l:warning.warning_type . ' ' . l:warning.message . ' (' . l:warning.confidence . ')'
         let l:line = l:warning.line != v:null ? l:warning.line : 1
 
         call add(l:output, {
-        \    'lnum': l:line,
-        \    'type': 'W',
-        \    'text': l:text,
+        \   'filename': l:rails_root . l:sep .  l:warning.file,
+        \   'lnum': l:line,
+        \   'type': 'W',
+        \   'text': l:text,
         \})
     endfor
 

test/handler/test_brakeman_handler.vader

@@ -1,6 +1,5 @@
 Before:
   call ale#test#SetDirectory('/testplugin/test/handler')
-  cd ..
 
   runtime ale_linters/ruby/brakeman.vim
 
@@ -9,16 +8,18 @@ After:
   call ale#linter#Reset()
 
 Execute(The brakeman handler should parse JSON correctly):
-  call ale#test#SetFilename('ruby_fixtures/valid_rails_app/app/models/thing.rb')
+  call ale#test#SetFilename('../ruby_fixtures/valid_rails_app/app/models/thing.rb')
 
   AssertEqual
   \  [
   \      {
+  \          'filename': expand('%:p'),
   \          'lnum': 84,
   \          'text': 'SQL Injection Possible SQL injection (Medium)',
   \          'type': 'W',
   \      },
   \      {
+  \          'filename': expand('%:p'),
   \          'lnum': 1,
   \          'text': 'Mass Assignment Potentially dangerous attribute available for mass assignment (Weak)',
   \          'type': 'W',
@@ -33,7 +34,7 @@ Execute(The brakeman handler should parse JSON correctly):
   \        '"fingerprint": "1234",',
   \        '"check_name": "SQL",',
   \        '"message": "Possible SQL injection",',
-  \        '"file": "app/models/thing.rb",',
+  \        '"file": "' . substitute(ale#path#Winify('app/models/thing.rb'), '\\', '\\\\', 'g') . '",',
   \        '"line": 84,',
   \        '"link": "http://brakemanscanner.org/docs/warning_types/sql_injection/",',
   \        '"code": "Thing.connection.execute(params[:data])",',
@@ -52,7 +53,7 @@ Execute(The brakeman handler should parse JSON correctly):
   \        '"fingerprint": "1235",',
   \        '"check_name": "ModelAttrAccessible",',
   \        '"message": "Potentially dangerous attribute available for mass assignment",',
-  \        '"file": "app/models/thing.rb",',
+  \        '"file": "' .  substitute(ale#path#Winify('app/models/thing.rb'), '\\', '\\\\', 'g') . '",',
   \        '"line": null,',
   \        '"link": "http://brakemanscanner.org/docs/warning_types/mass_assignment/",',
   \        '"code": ":name",',