Added Unit Tests for ci/generate_report with

argument refactoring for main and init
functions in generate_reports

Change-Id: I291d04a9c0ed381f4b92e989270c0b9a37c15264
Signed-off-by: ashishk1994 <ashishk.iiit@gmail.com>
(cherry picked from commit cc72b61456aeaa9752527d55541df3791ff1fbbf)

2 files changed, 131 insertions, 2 deletions

diff --git a/functest/ci/generate_report.py b/functest/ci/generate_report.py
index 89d8fc628..3872a07ed 100755
--- a/functest/ci/generate_report.py
+++ b/functest/ci/generate_report.py
@@ -26,7 +26,7 @@ COL_5_LEN = 75
 logger = ft_logger.Logger("generate_report").getLogger()
 
 
-def init(tiers_to_run):
+def init(tiers_to_run=[]):
     test_cases_arr = []
     for tier in tiers_to_run:
         for test in tier.get_tests():
@@ -91,7 +91,7 @@ def print_separator(char="=", delimiter="+"):
     return str
 
 
-def main(args):
+def main(args=[]):
     executed_test_cases = args
 
     if CONST.IS_CI_RUN:
diff --git a/functest/tests/unit/ci/test_generate_report.py b/functest/tests/unit/ci/test_generate_report.py
new file mode 100644
index 000000000..2225586f2
--- /dev/null
+++ b/functest/tests/unit/ci/test_generate_report.py
@@ -0,0 +1,129 @@
+#!/usr/bin/env python
+
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+
+import logging
+import unittest
+import urllib2
+
+import mock
+
+from functest.ci import generate_report as gen_report
+from functest.tests.unit import test_utils
+from functest.utils import functest_utils as ft_utils
+from functest.utils.constants import CONST
+
+
+class GenerateReportTesting(unittest.TestCase):
+
+    logging.disable(logging.CRITICAL)
+
+    def test_init(self):
+        test_array = gen_report.init()
+        self.assertEqual(test_array, [])
+
+    @mock.patch('functest.ci.generate_report.urllib2.urlopen',
+                side_effect=urllib2.URLError('no host given'))
+    def test_get_results_from_db_fail(self, mock_method):
+        url = "%s/results?build_tag=%s" % (ft_utils.get_db_url(),
+                                           CONST.BUILD_TAG)
+        self.assertIsNone(gen_report.get_results_from_db())
+        mock_method.assert_called_once_with(url)
+
+    @mock.patch('functest.ci.generate_report.urllib2.urlopen',
+                return_value={'results': []})
+    def test_get_results_from_db_success(self, mock_method):
+        url = "%s/results?build_tag=%s" % (ft_utils.get_db_url(),
+                                           CONST.BUILD_TAG)
+        self.assertEqual(gen_report.get_results_from_db(), None)
+        mock_method.assert_called_once_with(url)
+
+    def test_get_data(self):
+        self.assertIsInstance(gen_report.get_data({'result': ''}, ''), dict)
+
+    def test_print_line_with_ci_run(self):
+        CONST.IS_CI_RUN = True
+        w1 = 'test_print_line'
+        test_str = ("| %s| %s| %s| %s| %s|\n"
+                    % (w1.ljust(gen_report.COL_1_LEN - 1),
+                       ''.ljust(gen_report.COL_2_LEN - 1),
+                       ''.ljust(gen_report.COL_3_LEN - 1),
+                       ''.ljust(gen_report.COL_4_LEN - 1),
+                       ''.ljust(gen_report.COL_5_LEN - 1)))
+        self.assertEqual(gen_report.print_line(w1), test_str)
+
+    def test_print_line_without_ci_run(self):
+        CONST.IS_CI_RUN = False
+        w1 = 'test_print_line'
+        test_str = ("| %s| %s| %s| %s|\n"
+                    % (w1.ljust(gen_report.COL_1_LEN - 1),
+                       ''.ljust(gen_report.COL_2_LEN - 1),
+                       ''.ljust(gen_report.COL_3_LEN - 1),
+                       ''.ljust(gen_report.COL_4_LEN - 1)))
+        self.assertEqual(gen_report.print_line(w1), test_str)
+
+    def test_print_line_no_column_with_ci_run(self):
+        CONST.IS_CI_RUN = True
+        TOTAL_LEN = gen_report.COL_1_LEN + gen_report.COL_2_LEN
+        TOTAL_LEN += gen_report.COL_3_LEN + gen_report.COL_4_LEN + 2
+        TOTAL_LEN += gen_report.COL_5_LEN + 1
+        test_str = ("| %s|\n" % 'test'.ljust(TOTAL_LEN))
+        self.assertEqual(gen_report.print_line_no_columns('test'), test_str)
+
+    def test_print_line_no_column_without_ci_run(self):
+        CONST.IS_CI_RUN = False
+        TOTAL_LEN = gen_report.COL_1_LEN + gen_report.COL_2_LEN
+        TOTAL_LEN += gen_report.COL_3_LEN + gen_report.COL_4_LEN + 2
+        test_str = ("| %s|\n" % 'test'.ljust(TOTAL_LEN))
+        self.assertEqual(gen_report.print_line_no_columns('test'), test_str)
+
+    def test_print_separator_with_ci_run(self):
+        CONST.IS_CI_RUN = True
+        test_str = ("+" + "=" * gen_report.COL_1_LEN +
+                    "+" + "=" * gen_report.COL_2_LEN +
+                    "+" + "=" * gen_report.COL_3_LEN +
+                    "+" + "=" * gen_report.COL_4_LEN +
+                    "+" + "=" * gen_report.COL_5_LEN)
+        test_str += '+\n'
+        self.assertEqual(gen_report.print_separator(), test_str)
+
+    def test_print_separator_without_ci_run(self):
+        CONST.IS_CI_RUN = False
+        test_str = ("+" + "=" * gen_report.COL_1_LEN +
+                    "+" + "=" * gen_report.COL_2_LEN +
+                    "+" + "=" * gen_report.COL_3_LEN +
+                    "+" + "=" * gen_report.COL_4_LEN)
+        test_str += "+\n"
+        self.assertEqual(gen_report.print_separator(), test_str)
+
+    @mock.patch('functest.ci.generate_report.logger.info')
+    def test_main_with_ci_run(self, mock_method):
+        CONST.IS_CI_RUN = True
+        gen_report.main()
+        mock_method.assert_called_once_with(test_utils.SubstrMatch('URL'))
+
+    @mock.patch('functest.ci.generate_report.logger.info')
+    def test_main_with_ci_loop(self, mock_method):
+        CONST.CI_LOOP = 'daily'
+        gen_report.main()
+        mock_method.assert_called_once_with(test_utils.SubstrMatch('CI LOOP'))
+
+    @mock.patch('functest.ci.generate_report.logger.info')
+    def test_main_with_scenario(self, mock_method):
+        CONST.DEPLOY_SCENARIO = 'test_scenario'
+        gen_report.main()
+        mock_method.assert_called_once_with(test_utils.SubstrMatch('SCENARIO'))
+
+    @mock.patch('functest.ci.generate_report.logger.info')
+    def test_main_with_build_tag(self, mock_method):
+        CONST.BUILD_TAG = 'test_build_tag'
+        gen_report.main()
+        mock_method.assert_called_once_with(test_utils.
+                                            SubstrMatch('BUILD TAG'))
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)