Add centos9/rhel9 support for tripleo-get-hash

Updates the get-hash constants to allow centos9 and rhel9 as valid
choices for the os-version parameter. Adds a new test case that
tests all the valid values.

Change-Id: I93af3f7bd0b536cb3b3131b5a9d03a5c5b9731b6

plugins/module_utils/tripleo_repos/get_hash/config.yaml

@@ -45,4 +45,6 @@ rdo_named_tags:
 os_versions:
   - centos7
   - centos8
+  - centos9
   - rhel8
+  - rhel9

plugins/module_utils/tripleo_repos/get_hash/constants.py

@@ -80,6 +80,8 @@ DEFAULT_CONFIG = {
     "os_versions": [
         "centos7",
         "centos8",
-        "rhel8"
+        "centos9",
+        "rhel8",
+        "rhel9"
     ]
 }

tests/unit/get_hash/fakes.py

@@ -107,6 +107,8 @@ rdo_named_tags:
 os_versions:
   - centos7
   - centos8
+  - centos9
   - rhel8
+  - rhel9
 
 """

tests/unit/get_hash/test_tripleo_get_hash.py

@@ -123,6 +123,35 @@ class TestGetHash(unittest.TestCase):
         sys.argv[1:] = args
         self.assertRaises(exc.TripleOHashInvalidParameter, lambda: tgh.main())
 
+    def test_valid_os_version(self, mock_config):
+        config_file = open("fake_config_file")  # open is mocked at class level
+        config_yaml = yaml.safe_load(config_file.read())
+        config_file.close()
+        # interate for each supported os_version
+        for os_v in config_yaml['os_versions']:
+            if '7' in os_v:
+                mocked = MagicMock(
+                    return_value=(test_fakes.TEST_COMMIT_YAML_CENTOS_7, 200))
+                expected_url = (
+                    "https://trunk.rdoproject.org/{}-master/"
+                    "current-tripleo/commit.yaml".format(os_v)
+                )
+            else:
+                mocked = MagicMock(
+                    return_value=(test_fakes.TEST_REPO_MD5, 200))
+                expected_url = (
+                    "https://trunk.rdoproject.org/{}-master/"
+                    "current-tripleo/delorean.repo.md5".format(os_v)
+                )
+            with patch(
+                    'tripleo_repos.get_hash.tripleo_hash_info.http_get',
+                    mocked):
+                args = ['--os-version', "{}".format(os_v)]
+                sys.argv[1:] = args
+                main_res = tgh.main()
+                self.assertEqual(main_res.dlrn_url, expected_url)
+                self.assertEqual("{}".format(os_v), main_res.os_version)
+
     def test_invalid_os_version(self, mock_config):
         args = ['--os-version', 'rhelos99', '--component', 'tripleo']
         sys.argv[1:] = args