packages/calypso-e2e/src/rest-api-client.ts

- implement new method to see if there are posts on the site.

test/e2e/specs/tools/advertising__promote.ts
- stop creating new post unnecessarily

packages/calypso-e2e/src/rest-api-client.ts

@@ -42,6 +42,7 @@ import type {
 	JetpackSearchResponse,
 	JetpackSearchParams,
 	Subscriber,
+	SitePostState,
 } from './types';
 import type { BodyInit, HeadersInit, RequestInit } from 'node-fetch';
 
@@ -635,6 +636,33 @@ export class RestAPIClient {
 
 	/* Posts */
 
+	/**
+	 * Given a siteID, checks whether any posts exists of a given state.
+	 *
+	 * @param {number} siteID Site ID.
+	 * @param param1 Keyed object parameter.
+	 * @param {SitePostState} param1.state State of the published post.
+	 */
+	async siteHasPost(
+		siteID: number,
+		{ state = 'publish' }: { state: SitePostState }
+	): Promise< boolean > {
+		const params: RequestParams = {
+			method: 'get',
+			headers: {
+				Authorization: await this.getAuthorizationHeader( 'bearer' ),
+				'Content-Type': this.getContentTypeHeader( 'json' ),
+			},
+		};
+
+		const response = await this.sendRequest(
+			this.getRequestURL( '1.1', `/sites/${ siteID }/post-counts/post` ),
+			params
+		);
+
+		return response.counts.all[ state ] !== 0 ? true : false;
+	}
+
 	/**
 	 * Creates a post on the site.
 	 *

packages/calypso-e2e/src/types/rest-api-client.types.ts

@@ -1,5 +1,7 @@
 /* Parameter Interfaces */
 
+export type SitePostState = 'publish' | 'draft' | 'private';
+
 export interface AccountDetails {
 	userID: number;
 	username: string;

test/e2e/specs/tools/advertising__promote.ts

@@ -50,16 +50,23 @@ skipDescribeIf( envVariables.ATOMIC_VARIATION === 'private' )(
 			const accountName = getTestAccountByFeature( envToFeatureKey( envVariables ) );
 			testAccount = new TestAccount( accountName );
 
-			// Createa a new test post before starting the test, to ensure at least one
-			// available post.
 			restAPIClient = new RestAPIClient( testAccount.credentials );
-			newPostDetails = await restAPIClient.createPost(
+
+			// Createa a new test post before starting the test if site has no published post.
+			const hasPosts = await restAPIClient.siteHasPost(
 				testAccount.credentials.testSites?.primary.id as number,
-				{
-					title: pageTitle,
-				}
+				{ state: 'publish' }
 			);
 
+			if ( ! hasPosts ) {
+				newPostDetails = await restAPIClient.createPost(
+					testAccount.credentials.testSites?.primary.id as number,
+					{
+						title: pageTitle,
+					}
+				);
+			}
+
 			await testAccount.authenticate( page );
 
 			advertisingPage = new AdvertisingPage( page );
@@ -75,11 +82,12 @@ skipDescribeIf( envVariables.ATOMIC_VARIATION === 'private' )(
 		} );
 
 		it( 'Click on Promote for the first post', async function () {
-			await advertisingPage.clickButtonByNameOnRow( 'Promote', { postTitle: pageTitle } );
+			await advertisingPage.clickButtonByNameOnRow( 'Promote', { row: 1 } );
 		} );
 
 		it( 'Land in Blaze campaign landing page', async function () {
 			await page.waitForURL( /advertising/ );
+
 			blazeCampaignPage = new BlazeCampaignPage( page );
 		} );
 
@@ -102,6 +110,10 @@ skipDescribeIf( envVariables.ATOMIC_VARIATION === 'private' )(
 		} );
 
 		afterAll( async function () {
+			if ( ! newPostDetails ) {
+				return;
+			}
+
 			await restAPIClient.deletePost(
 				testAccount.credentials.testSites?.primary.id as number,
 				newPostDetails.ID