From bd658a58b7647f986a666ff85e9a193847d4de0d Mon Sep 17 00:00:00 2001
From: Marley Powell <Marley.Powell@exclaimer.com>
Date: Tue, 14 Dec 2021 15:40:51 +0000
Subject: [PATCH] test: Added some unit test for pull request filters.

Signed-off-by: Marley Powell <Marley.Powell@exclaimer.com>
---
 .../lib/filters/createFilter.test.ts          | 150 ++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 plugins/azure-devops/src/components/PullRequestsPage/lib/filters/createFilter.test.ts

diff --git a/plugins/azure-devops/src/components/PullRequestsPage/lib/filters/createFilter.test.ts b/plugins/azure-devops/src/components/PullRequestsPage/lib/filters/createFilter.test.ts
new file mode 100644
index 0000000000..b0ac4d402b
--- /dev/null
+++ b/plugins/azure-devops/src/components/PullRequestsPage/lib/filters/createFilter.test.ts
@@ -0,0 +1,150 @@
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * 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 { Filter, FilterType } from './types';
+
+import { DashboardPullRequest } from '@backstage/plugin-azure-devops-common';
+import { createFilter } from './createFilter';
+
+describe('createFilter', () => {
+  const pullRequest = {
+    createdBy: {
+      uniqueName: 'user1@backstage.com',
+      teamIds: ['team1Id', 'team2Id'],
+    },
+    reviewers: [
+      { uniqueName: 'user2@backstage.com' },
+      { id: 'team2Id' },
+      { id: 'team3Id' },
+    ],
+  } as DashboardPullRequest;
+
+  const testCases: Array<{ filter: Filter; result: boolean }> = [
+    {
+      filter: {
+        type: FilterType.AssignedToUser,
+        email: 'user2@backstage.com',
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.AssignedToUser,
+        email: 'random-user@backstage.com',
+      },
+      result: false,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByUser,
+        email: 'user1@backstage.com',
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByUser,
+        email: 'random-user@backstage.com',
+      },
+      result: false,
+    },
+    {
+      filter: {
+        type: FilterType.AssignedToTeam,
+        teamId: 'team2Id',
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.AssignedToTeam,
+        teamId: 'randomTeamId',
+      },
+      result: false,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByTeam,
+        teamId: 'team1Id',
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByTeam,
+        teamId: 'randomTeamId',
+      },
+      result: false,
+    },
+    {
+      filter: {
+        type: FilterType.AssignedToTeams,
+        teamIds: ['team2Id', 'randomTeamId'],
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.AssignedToTeams,
+        teamIds: ['team2Id', 'team3Id'],
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.AssignedToTeams,
+        teamIds: ['randomTeam1Id', 'randomTeam2Id'],
+      },
+      result: false,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByTeams,
+        teamIds: ['team1Id', 'randomTeamId'],
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByTeams,
+        teamIds: ['team1Id', 'team2Id'],
+      },
+      result: true,
+    },
+    {
+      filter: {
+        type: FilterType.CreatedByTeams,
+        teamIds: ['randomTeam1Id', 'randomTeam2Id'],
+      },
+      result: false,
+    },
+    {
+      filter: {
+        type: FilterType.All,
+      },
+      result: true,
+    },
+  ];
+
+  testCases.forEach(({ filter, result }) => {
+    it(`should return ${String(result)} when pull request ${
+      result ? 'is' : 'is not'
+    } ${filter.type}`, () => {
+      const pullRequestFilter = createFilter(filter);
+      expect(pullRequestFilter(pullRequest)).toBe(result);
+    });
+  });
+});