Use timezone-mock for handling test timezones in jest

galaxyproject · Dec 9, 2024 · ff6add0 · ff6add0
1 parent 83f06ee
commit ff6add0
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Showing 3 changed files with 10 additions and 2 deletions.
diff --git a/client/package.json b/client/package.json
@@ -200,6 +200,7 @@
     "sass-loader": "^13.3.2",
     "store": "^2.0.12",
     "style-loader": "^3.3.3",
+    "timezone-mock": "^1.3.6",
     "ts-jest": "^29.2.3",
     "ts-loader": "^9.5.0",
     "tsconfig-paths-webpack-plugin": "^4.1.0",

diff --git a/client/src/utils/dates.test.ts b/client/src/utils/dates.test.ts
@@ -1,12 +1,14 @@
+import MockDate from "timezone-mock";
+
 import { formatGalaxyPrettyDateString, galaxyTimeToDate, localizeUTCPretty } from "./dates";
 
 describe("dates.ts", () => {
     beforeEach(() => {
-        process.env.TZ = "America/New_York";
+        MockDate.register("Etc/GMT+4");
     });
 
     afterEach(() => {
-        delete process.env.TZ;
+        MockDate.unregister();
     });
 
     describe("galaxyTimeToDate", () => {

diff --git a/client/yarn.lock b/client/yarn.lock
@@ -11381,6 +11381,11 @@ timers-browserify@^2.0.12:
   dependencies:
     setimmediate "^1.0.4"
 
+timezone-mock@^1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/timezone-mock/-/timezone-mock-1.3.6.tgz#44e4c5aeb57e6c07ae630a05c528fc4d9aab86f4"
+  integrity sha512-YcloWmZfLD9Li5m2VcobkCDNVaLMx8ohAb/97l/wYS3m+0TIEK5PFNMZZfRcusc6sFjIfxu8qcJT0CNnOdpqmg==
+
 [email protected]:
   version "1.0.5"
   resolved "https://registry.npmjs.org/tmpl/-/tmpl-1.0.5.tgz"