1 files changed, 55 insertions, 0 deletions
diff --git a/python/mozlint/test/test_parser.py b/python/mozlint/test/test_parser.py
new file mode 100644
index 0000000000..e18e7a5a92
--- /dev/null
+++ b/python/mozlint/test/test_parser.py
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+import pytest
+
+from mozlint.parser import Parser
+from mozlint.errors import (
+    LinterNotFound,
+    LinterParseError,
+)
+
+
+@pytest.fixture(scope='module')
+def parse(lintdir):
+    parser = Parser()
+
+    def _parse(name):
+        path = os.path.join(lintdir, name)
+        return parser(path)
+    return _parse
+
+
+def test_parse_valid_linter(parse):
+    lintobj = parse('string.lint')
+    assert isinstance(lintobj, dict)
+    assert 'name' in lintobj
+    assert 'description' in lintobj
+    assert 'type' in lintobj
+    assert 'payload' in lintobj
+
+
+@pytest.mark.parametrize('linter', [
+    'invalid_type.lint',
+    'invalid_extension.lnt',
+    'invalid_include.lint',
+    'invalid_exclude.lint',
+    'missing_attrs.lint',
+    'missing_definition.lint',
+])
+def test_parse_invalid_linter(parse, linter):
+    with pytest.raises(LinterParseError):
+        parse(linter)
+
+
+def test_parse_non_existent_linter(parse):
+    with pytest.raises(LinterNotFound):
+        parse('missing_file.lint')
+
+
+if __name__ == '__main__':
+    sys.exit(pytest.main(['--verbose', __file__]))