1 files changed, 67 insertions, 0 deletions
diff --git a/testing/marionette/harness/marionette_harness/tests/unit/test_data_driven.py b/testing/marionette/harness/marionette_harness/tests/unit/test_data_driven.py
new file mode 100644
index 000000000..8e4ae0d32
--- /dev/null
+++ b/testing/marionette/harness/marionette_harness/tests/unit/test_data_driven.py
@@ -0,0 +1,67 @@
+# 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/.
+
+from marionette_harness.marionette_test import (
+    parameterized,
+    with_parameters,
+    MetaParameterized,
+    MarionetteTestCase
+)
+
+class Parameterizable(object):
+    __metaclass__ = MetaParameterized
+
+class TestDataDriven(MarionetteTestCase):
+    def test_parameterized(self):
+        class Test(Parameterizable):
+            def __init__(self):
+                self.parameters = []
+
+            @parameterized('1', 'thing', named=43)
+            @parameterized('2', 'thing2')
+            def test(self, thing, named=None):
+                self.parameters.append((thing, named))
+
+        self.assertFalse(hasattr(Test, 'test'))
+        self.assertTrue(hasattr(Test, 'test_1'))
+        self.assertTrue(hasattr(Test, 'test_2'))
+
+        test = Test()
+        test.test_1()
+        test.test_2()
+
+        self.assertEquals(test.parameters, [('thing', 43), ('thing2', None)])
+
+    def test_with_parameters(self):
+        DATA = [('1', ('thing',), {'named': 43}),
+                ('2', ('thing2',), {'named': None})]
+
+        class Test(Parameterizable):
+            def __init__(self):
+                self.parameters = []
+
+            @with_parameters(DATA)
+            def test(self, thing, named=None):
+                self.parameters.append((thing, named))
+
+        self.assertFalse(hasattr(Test, 'test'))
+        self.assertTrue(hasattr(Test, 'test_1'))
+        self.assertTrue(hasattr(Test, 'test_2'))
+
+        test = Test()
+        test.test_1()
+        test.test_2()
+
+        self.assertEquals(test.parameters, [('thing', 43), ('thing2', None)])
+
+    def test_parameterized_same_name_raises_error(self):
+        with self.assertRaises(KeyError):
+            class Test(Parameterizable):
+                @parameterized('1', 'thing', named=43)
+                @parameterized('1', 'thing2')
+                def test(self, thing, named=None):
+                    pass
+
+    def test_marionette_test_case_is_parameterizable(self):
+        self.assertTrue(issubclass(MarionetteTestCase.__metaclass__, MetaParameterized))