tests: Separate test files from Ryu module

To prevent redundant files (e.g., pcap files, json files for tests,
packet data generator) to be installed, this patch separates test
directory from Ryu module.

Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 66 insertions, 0 deletions

diff --git a/tests/unit/lib/test_import_module.py b/tests/unit/lib/test_import_module.py
new file mode 100644
index 00000000..852ee21b
--- /dev/null
+++ b/tests/unit/lib/test_import_module.py
@@ -0,0 +1,66 @@
+# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
+# Copyright (C) 2013 YAMAMOTO Takashi <yamamoto at valinux co jp>
+#
+# 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.
+
+import unittest
+from nose.tools import eq_
+
+from ryu.utils import import_module
+
+
+class Test_import_module(unittest.TestCase):
+    """
+    Test case for ryu.utils.import_module
+    """
+
+    @staticmethod
+    def _my_import(name):
+        mod = __import__(name)
+        components = name.split('.')
+        for c in components[1:]:
+            mod = getattr(mod, c)
+        return mod
+
+    def test_import_module_with_same_basename(self):
+        aaa = import_module('tests.unit.lib.test_mod.aaa.mod')
+        eq_("this is aaa", aaa.name)
+        bbb = import_module('tests.unit.lib.test_mod.bbb.mod')
+        eq_("this is bbb", bbb.name)
+
+    def test_import_module_by_filename(self):
+        ccc = import_module('./lib/test_mod/ccc/mod.py')
+        eq_("this is ccc", ccc.name)
+        ddd = import_module('./lib/test_mod/ddd/mod.py')
+        # Note: When importing a module by filename, if module file name
+        # is duplicated, import_module reload (override) a module instance.
+        eq_("this is ddd", ddd.name)
+
+    def test_import_same_module1(self):
+        from tests.unit.lib.test_mod import eee as eee1
+        eq_("this is eee", eee1.name)
+        eee2 = import_module('./lib/test_mod/eee.py')
+        eq_("this is eee", eee2.name)
+
+    def test_import_same_module2(self):
+        fff1 = import_module('./lib/test_mod/fff.py')
+        eq_("this is fff", fff1.name)
+        fff2 = import_module('tests.unit.lib.test_mod.fff')
+        eq_("this is fff", fff2.name)
+
+    def test_import_same_module3(self):
+        ggg1 = import_module('./lib/test_mod/ggg.py')
+        eq_("this is ggg", ggg1.name)
+        ggg2 = self._my_import('tests.unit.lib.test_mod.ggg')
+        eq_("this is ggg", ggg2.name)