Initial commit of open source Workload Automation.

wlauto/tests/test_extension_loader.py

@@ -0,0 +1,51 @@
+#    Copyright 2013-2015 ARM Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+# pylint: disable=E0611,R0201
+import os
+from unittest import TestCase
+
+from nose.tools import assert_equal, assert_greater
+
+from wlauto.core.extension_loader import ExtensionLoader
+
+
+EXTDIR = os.path.join(os.path.dirname(__file__), 'data', 'extensions')
+
+
+class ExtensionLoaderTest(TestCase):
+
+    def test_load_device(self):
+        loader = ExtensionLoader(paths=[EXTDIR, ], load_defaults=False)
+        device = loader.get_device('test-device')
+        assert_equal(device.name, 'test-device')
+
+    def test_list_by_kind(self):
+        loader = ExtensionLoader(paths=[EXTDIR, ], load_defaults=False)
+        exts = loader.list_devices()
+        assert_equal(len(exts), 1)
+        assert_equal(exts[0].name, 'test-device')
+
+    def test_clear_and_reload(self):
+        loader = ExtensionLoader()
+        assert_greater(len(loader.list_devices()), 1)
+        loader.clear()
+        loader.update(paths=[EXTDIR, ])
+        devices = loader.list_devices()
+        assert_equal(len(devices), 1)
+        assert_equal(devices[0].name, 'test-device')
+        assert_equal(len(loader.list_extensions()), 1)
+