I broke up with neovim....vim is my best friend now

dot_vim/plugged/ale/test/handler/test_crystal_handler.vader

@@ -0,0 +1,28 @@
+Before:
+  runtime ale_linters/crystal/crystal.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(The crystal handler should parse lines correctly and add the column if it can):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 2,
+  \     'col': 1,
+  \     'text': 'unexpected token: EOF'
+  \   }
+  \ ],
+  \ ale_linters#crystal#crystal#Handle(255, [
+  \ '[{"file":"/tmp/test.cr","line":2,"column":1,"size":null,"message":"unexpected token: EOF"}]'
+  \ ])
+
+Execute(The crystal handler should not fail when a missing file is required):
+  AssertEqual
+  \ [ { 'lnum':1, 'col': 1, 'text': 'while requiring "./nonexistent.cr"' } ],
+  \ ale_linters#crystal#crystal#Handle(255,
+  \ json_encode([
+  \ { "file":"/tmp/file.cr","line":1,"column":1,"size":0,"message":"while requiring \"./nonexistent.cr\"" },
+  \ { "message": "can't find file './nonexistent.cr' relative to '/tmp'" },
+  \ ])
+  \ )