Added tests for adding handlers.

1 files changed, 91 insertions, 0 deletions

diff --git a/tests/unittests/test__init__.py b/tests/unittests/test__init__.py
new file mode 100644
index 00000000..f18e39b8
--- /dev/null
+++ b/tests/unittests/test__init__.py
@@ -0,0 +1,91 @@
+from unittest import TestCase
+from mocker import MockerTestCase, ANY, ARGS, KWARGS
+from tempfile import mkdtemp
+from shutil import rmtree
+import os
+import stat
+import sys
+
+from cloudinit import partwalker_handle_handler, handler_handle_part, handler_register
+from cloudinit.util import write_file, logexc
+
+
+class TestPartwalkerHandleHandler(MockerTestCase):
+    def setUp(self):
+        self.data = {
+            "handlercount": 0,
+            "frequency": "?",
+            "handlerdir": "?",
+            "handlers": [],
+            "data": None}
+
+        self.expected_module_name = "part-handler-%03d" % self.data["handlercount"]
+        expected_file_name = "%s.py" % self.expected_module_name
+        expected_file_fullname = os.path.join(self.data["handlerdir"], expected_file_name)
+        self.module_fake = "fake module handle"
+        self.ctype = None
+        self.filename = None
+        self.payload = "dummy payload"
+
+        # Mock the write_file function
+        write_file_mock = self.mocker.replace(write_file, passthrough=False)
+        write_file_mock(expected_file_fullname, self.payload, 0600)
+
+    def test_no_errors(self):
+        """Payload gets written to file and added to C{pdata}."""
+        # Mock the __import__ builtin
+        import_mock = self.mocker.replace("__builtin__.__import__")
+        import_mock(self.expected_module_name)
+        self.mocker.result(self.module_fake)
+        # Mock the handle_register function
+        handle_reg_mock = self.mocker.replace(handler_register, passthrough=False)
+        handle_reg_mock(self.module_fake, self.data["handlers"], self.data["data"], self.data["frequency"])
+        # Activate mocks
+        self.mocker.replay()
+
+        partwalker_handle_handler(self.data, self.ctype, self.filename, self.payload)
+
+        self.assertEqual(1, self.data["handlercount"])
+
+    def test_import_error(self):
+        """Payload gets written to file and added to C{pdata}."""
+        # Mock the __import__ builtin
+        import_mock = self.mocker.replace("__builtin__.__import__")
+        import_mock(self.expected_module_name)
+        self.mocker.throw(ImportError())
+        # Mock log function
+        logexc_mock = self.mocker.replace(logexc, passthrough=False)
+        logexc_mock(ANY)
+        # Mock the print_exc function
+        print_exc_mock = self.mocker.replace("traceback.print_exc", passthrough=False)
+        print_exc_mock(ARGS, KWARGS)
+        # Activate mocks
+        self.mocker.replay()
+
+        partwalker_handle_handler(self.data, self.ctype, self.filename, self.payload)
+
+    def test_attribute_error(self):
+        """Payload gets written to file and added to C{pdata}."""
+        # Mock the __import__ builtin
+        import_mock = self.mocker.replace("__builtin__.__import__")
+        import_mock(self.expected_module_name)
+        self.mocker.result(self.module_fake)
+        # Mock the handle_register function
+        handle_reg_mock = self.mocker.replace(handler_register, passthrough=False)
+        handle_reg_mock(self.module_fake, self.data["handlers"], self.data["data"], self.data["frequency"])
+        self.mocker.throw(AttributeError())
+        # Mock log function
+        logexc_mock = self.mocker.replace(logexc, passthrough=False)
+        logexc_mock(ANY)
+        # Mock the print_exc function
+        print_exc_mock = self.mocker.replace("traceback.print_exc", passthrough=False)
+        print_exc_mock(ARGS, KWARGS)
+        # Activate mocks
+        self.mocker.replay()
+
+        partwalker_handle_handler(self.data, self.ctype, self.filename, self.payload)
+
+
+class TestHandlerHandlePart(TestCase):
+    def test_dummy(self):
+        self.assertTrue(False)