From 18dd2ad8841476d0e960ae5e08b641508d4325be Mon Sep 17 00:00:00 2001
From: William Welling <wwelling@library.tamu.edu>
Date: Tue, 7 Dec 2021 14:45:46 -0600
Subject: [PATCH] add simple config util test

---
 src/config/config.util.spec.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/config/config.util.spec.ts

diff --git a/src/config/config.util.spec.ts b/src/config/config.util.spec.ts
new file mode 100644
index 0000000000..cb2fdcdba2
--- /dev/null
+++ b/src/config/config.util.spec.ts
@@ -0,0 +1,17 @@
+import { environment } from '../environments/environment.prod';
+import { extendEnvironmentWithAppConfig } from './config.util';
+import { DefaultAppConfig } from './default-app-config';
+
+describe('Config Util', () => {
+  describe('extendEnvironmentWithAppConfig', () => {
+    it('should extend prod environment with app config', () => {
+      const appConfig = new DefaultAppConfig();
+      const originalMsToLive = appConfig.cache.msToLive.default;
+      expect(originalMsToLive).toEqual(15 * 60 * 1000); // 15 minute
+      const msToLive = 1 * 60 * 1000; // 1 minute
+      appConfig.cache.msToLive.default = msToLive;
+      extendEnvironmentWithAppConfig(environment, appConfig);
+      expect(environment.cache.msToLive.default).toEqual(msToLive);
+    });
+  });
+});