Add CMake linter cmake-lint (#4036)

* Add CMake linter cmake-lint

Add support for the CMake linter provided by
https://github.com/cheshirekow/cmake_format.

* Escape cmake-lint executable and add linter tests

1 files changed, 30 insertions, 0 deletions

diff --git a/test/handler/test_cmake_lint_handler.vader b/test/handler/test_cmake_lint_handler.vader
new file mode 100644
index 00000000..26fb8c1d
--- /dev/null
+++ b/test/handler/test_cmake_lint_handler.vader
@@ -0,0 +1,30 @@
+Before:
+  runtime ale_linters/cmake/cmake_lint.vim
+
+After:
+  Restore
+
+  call ale#linter#Reset()
+
+Execute(The cmake_lint handler should handle basic warnings):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 126,
+  \     'col': 0,
+  \     'type': 'W',
+  \     'code': 'C0301',
+  \     'text': 'Line too long (136/80)',
+  \   },
+  \   {
+  \     'lnum': 139,
+  \     'col': 4,
+  \     'type': 'W',
+  \     'code': 'C0113',
+  \     'text': 'Missing COMMENT in statement which allows it',
+  \   },
+  \ ],
+  \ ale_linters#cmake#cmake_lint#Handle(1, [
+  \   'CMakeLists.txt:126: [C0301] Line too long (136/80)',
+  \   'CMakeLists.txt:139,04: [C0113] Missing COMMENT in statement which allows it',
+  \ ])