gitlab_hook: renaming module name (#51979)

* gitlab_hook: renaming module name

* gitlab_hook: rename module in documentation

* gitlab_hook: remove plural in docs and code

* gitlab_hook: fix unit test functions

test/units/modules/source_control/test_gitlab_hook.py

@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2019, Guillaume Martinez (lunik@tiwabbit.fr)
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import
+
+from ansible.modules.source_control.gitlab_hook import GitLabHook
+
+from .gitlab import (GitlabModuleTestCase,
+                     python_version_match_requirement,
+                     resp_get_project, resp_find_project_hook,
+                     resp_create_project_hook, resp_delete_project_hook)
+
+# Gitlab module requirements
+if python_version_match_requirement():
+    from gitlab.v4.objects import ProjectHook
+
+# Unit tests requirements
+from httmock import with_httmock  # noqa
+
+
+class TestGitlabHook(GitlabModuleTestCase):
+    def setUp(self):
+        super(TestGitlabHook, self).setUp()
+
+        self.moduleUtil = GitLabHook(module=self.mock_module, gitlab_instance=self.gitlab_instance)
+
+    @with_httmock(resp_get_project)
+    @with_httmock(resp_find_project_hook)
+    def test_hook_exist(self):
+        project = self.gitlab_instance.projects.get(1)
+
+        rvalue = self.moduleUtil.existsHook(project, "http://example.com/hook")
+
+        self.assertEqual(rvalue, True)
+
+        rvalue = self.moduleUtil.existsHook(project, "http://gitlab.com/hook")
+
+        self.assertEqual(rvalue, False)
+
+    @with_httmock(resp_get_project)
+    @with_httmock(resp_create_project_hook)
+    def test_create_hook(self):
+        project = self.gitlab_instance.projects.get(1)
+
+        hook = self.moduleUtil.createHook(project, {"url": "http://example.com/hook"})
+
+        self.assertEqual(type(hook), ProjectHook)
+        self.assertEqual(hook.url, "http://example.com/hook")
+
+    @with_httmock(resp_get_project)
+    @with_httmock(resp_find_project_hook)
+    def test_update_hook(self):
+        project = self.gitlab_instance.projects.get(1)
+        hook = self.moduleUtil.findHook(project, "http://example.com/hook")
+
+        changed, newHook = self.moduleUtil.updateHook(hook, {"url": "http://gitlab.com/hook"})
+
+        self.assertEqual(changed, True)
+        self.assertEqual(type(newHook), ProjectHook)
+        self.assertEqual(newHook.url, "http://gitlab.com/hook")
+
+        changed, newHook = self.moduleUtil.updateHook(hook, {"url": "http://gitlab.com/hook"})
+
+        self.assertEqual(changed, False)
+        self.assertEqual(newHook.url, "http://gitlab.com/hook")
+
+    @with_httmock(resp_get_project)
+    @with_httmock(resp_find_project_hook)
+    @with_httmock(resp_delete_project_hook)
+    def test_delete_hook(self):
+        project = self.gitlab_instance.projects.get(1)
+
+        self.moduleUtil.existsHook(project, "http://example.com/hook")
+
+        rvalue = self.moduleUtil.deleteHook()
+
+        self.assertEqual(rvalue, None)