bypass metrics sample rate for beta tests

Author: Jakeii

dotcom-rendering/src/components/Metrics.importable.tsx

@@ -10,7 +10,7 @@ import {
 } from '@guardian/core-web-vitals';
 import { getCookie, isString, isUndefined } from '@guardian/libs';
 import { useCallback, useEffect, useState } from 'react';
-import { useAB } from '../lib/useAB';
+import { useAB, useBetaAB } from '../lib/useAB';
 import { useAdBlockInUse } from '../lib/useAdBlockInUse';
 import { useDetectAdBlock } from '../lib/useDetectAdBlock';
 import { usePageViewId } from '../lib/usePageViewId';
@@ -77,6 +77,7 @@ const useDev = () => {
  */
 export const Metrics = ({ commercialMetricsEnabled, tests }: Props) => {
 	const abTestApi = useAB()?.api;
+	const betaABTest = useBetaAB();
 	const adBlockerInUse = useAdBlockInUse();
 	const detectedAdBlocker = useDetectAdBlock();
 
@@ -88,14 +89,20 @@ export const Metrics = ({ commercialMetricsEnabled, tests }: Props) => {
 
 	const userInServerSideTest = Object.keys(tests).length > 0;
 
+	const betaParticipations = betaABTest?.getParticipations() ?? {};
+
+	const userInBetaABTest = Object.keys(betaParticipations).length > 0;
+
 	const shouldBypassSampling = useCallback(
 		(api: ABTestAPI) =>
 			willRecordCoreWebVitals ||
 			userInServerSideTest ||
+			userInBetaABTest ||
 			clientSideTestsToForceMetrics.some((test) =>
 				api.runnableTest(test),
 			),
-		[userInServerSideTest],
+
+		[userInServerSideTest, userInBetaABTest],
 	);
 
 	useEffect(

dotcom-rendering/src/experiments/lib/beta-ab-tests.ts

@@ -1,7 +1,10 @@
+import { isUndefined } from '@guardian/libs';
 import { isServer } from '../../lib/isServer';
 
 export interface BetaABTestAPI {
-	isUserInTest: (testId: string, variantId: string) => boolean;
+	getParticipations: () => ABParticipations;
+	isUserInTest: (testId: string) => boolean;
+	isUserInTestGroup: (testId: string, groupId: string) => boolean;
 	trackABTests: (
 		ophanRecord: OphanRecordFunction,
 		errorReporter: ErrorReporter,
@@ -52,8 +55,16 @@ export class BetaABTests implements BetaABTestAPI {
 		}
 	}
 
-	isUserInTest(testId: string, variantId: string): boolean {
-		return this.participations[testId] === variantId;
+	getParticipations(): ABParticipations {
+		return this.participations;
+	}
+
+	isUserInTest(testId: string): boolean {
+		return !isUndefined(this.participations[testId]);
+	}
+
+	isUserInTestGroup(testId: string, groupId: string): boolean {
+		return this.participations[testId] === groupId;
 	}
 
 	trackABTests(