feat: Add tests for config feature

libs/providers/flagd/src/e2e/constants.ts

@@ -4,3 +4,4 @@ export const UNSTABLE_CLIENT_NAME = 'unstable';
 export const UNAVAILABLE_CLIENT_NAME = 'unavailable';
 
 export const GHERKIN_FLAGD = getGherkinTestPath('*.feature');
+export const CONFIG_FEATURE = getGherkinTestPath('config.feature');

libs/providers/flagd/src/e2e/step-definitions/configSteps.ts

@@ -14,8 +14,16 @@ export const configSteps: Steps = (state: State) => {
   }
 
   return ({ given, when, then }: StepsDefinitionCallbackOptions) => {
+    const originalEnv = process.env;
     beforeEach(() => {
       state.options = {};
+      state.config = undefined;
+      state.events = [];
+      process.env = { ...originalEnv };
+    });
+
+    afterEach(() => {
+      process.env = originalEnv;
     });
     given(/^an option "(.*)" of type "(.*)" with value "(.*)"$/, (name: string, type: string, value: string) => {
       state.options[mapName(name)] = mapValueToType(value, type);

libs/providers/flagd/src/e2e/tests/config.spec.ts

@@ -0,0 +1,23 @@
+import { configSteps } from '../step-definitions/configSteps';
+import type { State } from '../step-definitions/state';
+import { autoBindSteps, loadFeatures } from 'jest-cucumber';
+import { CONFIG_FEATURE } from '../constants';
+
+jest.setTimeout(50000);
+describe('config', () => {
+  const state: State = {
+    resolverType: 'in-process',
+    options: {},
+    config: undefined,
+    events: [],
+  };
+  autoBindSteps(
+    loadFeatures(CONFIG_FEATURE, {
+      scenarioNameTemplate: (vars) => {
+        const tags = [...vars.scenarioTags, ...vars.featureTags];
+        return `${vars.scenarioTitle}${tags.length > 0 ? ` (${tags.join(', ')})` : ''}`;
+      },
+    }),
+    [configSteps(state)],
+  );
+});