1 files changed, 104 insertions, 0 deletions
diff --git a/testing/mozbase/manifestparser/tests/test_util.py b/testing/mozbase/manifestparser/tests/test_util.py
new file mode 100644
index 0000000000..e32ecbab79
--- /dev/null
+++ b/testing/mozbase/manifestparser/tests/test_util.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+
+"""
+Test how our utility functions are working.
+"""
+
+from textwrap import dedent
+
+import mozunit
+import pytest
+from manifestparser import read_ini
+from manifestparser.util import evaluate_list_from_string
+from six import StringIO
+
+
+@pytest.fixture(scope="module")
+def parse_manifest():
+    def inner(string, **kwargs):
+        buf = StringIO()
+        buf.write(dedent(string))
+        buf.seek(0)
+        return read_ini(buf, **kwargs)[0]
+
+    return inner
+
+
+@pytest.mark.parametrize(
+    "test_manifest, expected_list",
+    [
+        [
+            """
+            [test_felinicity.py]
+            kittens = true
+            cats =
+                "I",
+                "Am",
+                "A",
+                "Cat",
+            """,
+            ["I", "Am", "A", "Cat"],
+        ],
+        [
+            """
+            [test_felinicity.py]
+            kittens = true
+            cats =
+                ["I", 1],
+                ["Am", 2],
+                ["A", 3],
+                ["Cat", 4],
+            """,
+            [
+                ["I", 1],
+                ["Am", 2],
+                ["A", 3],
+                ["Cat", 4],
+            ],
+        ],
+    ],
+)
+def test_string_to_list_conversion(test_manifest, expected_list, parse_manifest):
+    parsed_tests = parse_manifest(test_manifest)
+    assert evaluate_list_from_string(parsed_tests[0][1]["cats"]) == expected_list
+
+
+@pytest.mark.parametrize(
+    "test_manifest, failure",
+    [
+        [
+            """
+            # This will fail since the elements are not enlosed in quotes
+            [test_felinicity.py]
+            kittens = true
+            cats =
+                I,
+                Am,
+                A,
+                Cat,
+            """,
+            ValueError,
+        ],
+        [
+            """
+            # This will fail since the syntax is incorrect
+            [test_felinicity.py]
+            kittens = true
+            cats =
+                ["I", 1,
+                ["Am", 2,
+                ["A", 3],
+                ["Cat", 4],
+            """,
+            SyntaxError,
+        ],
+    ],
+)
+def test_string_to_list_conversion_failures(test_manifest, failure, parse_manifest):
+    parsed_tests = parse_manifest(test_manifest)
+    with pytest.raises(failure):
+        evaluate_list_from_string(parsed_tests[0][1]["cats"])
+
+
+if __name__ == "__main__":
+    mozunit.main()