From d57e5f182cd983f4f1007993fa4a13c705072449 Mon Sep 17 00:00:00 2001
From: Alex Crome <afscrome@users.noreply.github.com>
Date: Mon, 5 Sep 2022 23:20:18 +0100
Subject: [PATCH] Add initial test around cache

Signed-off-by: Alex Crome <afscrome@users.noreply.github.com>
---
 ...eInstanceGithubCredentialsProvider.test.ts | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/packages/integration/src/github/SingleInstanceGithubCredentialsProvider.test.ts b/packages/integration/src/github/SingleInstanceGithubCredentialsProvider.test.ts
index 1dcc45c1ef..3d58ffbb61 100644
--- a/packages/integration/src/github/SingleInstanceGithubCredentialsProvider.test.ts
+++ b/packages/integration/src/github/SingleInstanceGithubCredentialsProvider.test.ts
@@ -400,4 +400,36 @@ describe('SingleInstanceGithubCredentialsProvider tests', () => {
       }),
     ).resolves.not.toThrow();
   });
+
+  it('should cache access token', async () => {
+    octokit.apps.listInstallations.mockResolvedValueOnce({
+      headers: {
+        etag: '123',
+      },
+      data: [
+        {
+          id: 1,
+          repository_selection: 'all',
+          account: {
+            login: 'backstage',
+          },
+        },
+      ],
+    } as RestEndpointMethodTypes['apps']['listInstallations']['response']);
+
+    octokit.apps.createInstallationAccessToken.mockResolvedValueOnce({
+      data: {
+        expires_at: DateTime.local().plus({ hours: 1 }).toString(),
+        token: 'secret_token',
+      },
+    } as RestEndpointMethodTypes['apps']['createInstallationAccessToken']['response']);
+
+    for (let i = 0; i < 2; i++) {
+      const { token, headers } = await github.getCredentials({
+        url: 'https://github.com/backstage',
+      });
+      expect(headers).toEqual({ Authorization: 'Bearer secret_token' });
+      expect(token).toEqual('secret_token');
+    }
+  });
 });