Merge pull request #2655 from near/feature-flag-test

test(flags): verify that every feature flag specifies every environment

packages/frontend/test/feature_flags.test.js

@@ -0,0 +1,24 @@
+import Environments from '../../../features/environments.json';
+import Flags from '../../../features/flags.json';
+
+const nonEnvironmentKeys = [
+    'createdAt',
+    'createdBy',
+];
+
+function formatEnvironments(environments) {
+    return environments.sort().join(',');
+}
+
+test('all feature flags specify all environments', () => {
+    const allEnvironments = Object.values(Environments);
+    Object.entries(Flags).forEach(([flag, flagEnvironments]) => {
+        const specifiedEnvironments = Object.keys(flagEnvironments)
+            .filter((env) => !nonEnvironmentKeys.includes(env));
+
+        const actual = `${flag}:${formatEnvironments(specifiedEnvironments)}`;
+        const expected = `${flag}:${formatEnvironments(allEnvironments)}`;
+
+        expect(actual).toBe(expected);
+    });
+});