Tests for validation.py module and helper classes

Also groundwork for tests of Validation class.

Closes-bug: #1922726

Signed-off-by: Jiri Podivin <jpodivin@redhat.com>
Change-Id: Ic66b67a8376ace4dd7d03c4dc6ff2a7e8ec164f6

test-requirements.txt

@@ -12,3 +12,4 @@ testtools>=2.2.0 # MIT
 reno>=2.5.0 # Apache-2.0
 netaddr>=0.7.18 # BSD
 pre-commit # MIT
+validations-libs>=1.0.4 # Apache-2.0

validations_common/tests/test_validation.py

@@ -0,0 +1,126 @@
+# -*- coding: utf-8 -*-
+
+# 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.
+
+"""
+test_validation
+----------------------------------
+
+Tests for `validation` sub module.
+
+"""
+import argparse
+
+from unittest import mock
+
+from validations_common import validation
+from validations_common.tests import base
+
+
+class TestValidationModule(base.TestCase):
+
+    def setUp(self):
+        self.module = mock.MagicMock()
+
+        super(TestValidationModule, self).setUp()
+
+    def test_module_init(self):
+        """Check for presence of required module attributes.
+        Including the color constants needed for output formatting.
+        """
+        required_attributes = [
+            'DESCRIPTION',
+            'EPILOG',
+            'RED',
+            'GREEN',
+            'CYAN',
+            'RESET'
+        ]
+
+        module_attributes = set(dir(validation))
+
+        self.assertTrue(set(required_attributes).issubset(module_attributes))
+
+
+class TestCommaListGroupAction(base.TestCase):
+
+    def setUp(self):
+        super(TestCommaListGroupAction, self).setUp()
+
+    @mock.patch('validations_common.validation.setattr')
+    def test_comma_list_group_action(self, mock_setattr):
+        """As there is not much to test in this class
+        the assertions are made on attributes and inheritance.
+        """
+        action = validation._CommaListGroupAction(
+            dest='foo',
+            option_strings='')
+
+        action('foo', 'bar', 'fizz,buzz')
+
+        self.assertEqual(type(action).__mro__[1], argparse.Action)
+        self.assertEqual(action.dest, 'foo')
+        self.assertEqual(action.option_strings, '')
+        mock_setattr.assert_called_once_with('bar', 'foo', ['fizz', 'buzz'])
+
+
+class TestCommaListAction(base.TestCase):
+
+    def setUp(self):
+        super(TestCommaListAction, self).setUp()
+
+    @mock.patch('validations_common.validation.setattr')
+    def test_comma_list_action(self, mock_setattr):
+        """As there is not much to test in this class
+        the assertions are made on attributes and inheritance.
+        """
+        action = validation._CommaListAction(
+            dest='foo',
+            option_strings='')
+
+        action('foo', 'bar', 'fizz,buzz')
+
+        self.assertEqual(type(action).__mro__[1], argparse.Action)
+        self.assertEqual(action.dest, 'foo')
+        self.assertEqual(action.option_strings, '')
+        mock_setattr.assert_called_once_with('bar', 'foo', ['fizz', 'buzz'])
+
+
+class TestValidation(base.TestCase):
+
+    def setUp(self):
+        super(TestValidation, self).setUp()
+
+    def test_validation_init(self):
+        pass
+
+    def test_validation_parser(self):
+        pass
+
+    def test_validation_print_dict_table(self):
+        pass
+
+    def test_validation_print_tuple_table(self):
+        pass
+
+    def test_validation_write_output(self):
+        pass
+
+    def test_validation_take_action_run(self):
+        pass
+
+    def test_validation_take_action_list(self):
+        pass
+
+    def test_validation_take_action_show(self):
+        pass