Add PHPUnit test case for GA4 conversion events datapoint.

tests/phpunit/integration/Modules/Analytics_4Test.php

@@ -896,6 +896,55 @@ public function test_report__no_property_id( $access_token ) {
 		$this->assertEquals( array( 'status' => 500 ), $data->get_error_data( 'missing_required_setting' ) );
 	}
 
+	/**
+	 * @dataProvider data_access_token
+	 *
+	 * When an access token is provided, the user will be authenticated for the test.
+	 *
+	 * @param string $access_token Access token, or empty string if none.
+	 */
+	public function test_get_conversion_events( $access_token ) {
+		$this->setup_user_authentication( $access_token );
+
+		$property_id = '123456789';
+
+		$this->analytics->get_settings()->merge(
+			array(
+				'propertyID' => $property_id,
+			)
+		);
+
+		// Grant scopes so request doesn't fail.
+		$this->authentication->get_oauth_client()->set_granted_scopes(
+			$this->analytics->get_scopes()
+		);
+
+		$http_client = $this->create_fake_http_client( $property_id );
+		$this->analytics->get_client()->setHttpClient( $http_client );
+		$this->analytics->register();
+
+		// Fetch conversion events.
+		$data = $this->analytics->get_data(
+			'conversion-events',
+			array(
+				'propertyID' => $property_id,
+			)
+		);
+
+		$this->assertNotWPError( $data );
+
+		// Verify the conversion events are returned by checking an event name.
+		$this->assertEquals( 'some-event', $data['modelData'][0]['eventName'] );
+
+		// Verify the request URL and params were correctly generated.
+		$this->assertCount( 1, $this->request_handler_calls );
+
+		$request_url = $this->request_handler_calls[0]['url'];
+
+		$this->assertEquals( 'analyticsadmin.googleapis.com', $request_url['host'] );
+		$this->assertEquals( "/v1beta/properties/$property_id/conversionEvents", $request_url['path'] );
+	}
+
 	/**
 	 * Returns a date string for the given number of days ago.
 	 *
@@ -954,7 +1003,13 @@ function ( Request $request ) use ( $property_id ) {
 					'params' => $params,
 				);
 
-				if ( 'analyticsdata.googleapis.com' !== $url['host'] ) {
+				if (
+					! in_array(
+						$url['host'],
+						array( 'analyticsdata.googleapis.com', 'analyticsadmin.googleapis.com' ),
+						true
+					)
+				) {
 					return new Response( 200 );
 				}
 
@@ -984,6 +1039,23 @@ function ( Request $request ) use ( $property_id ) {
 							)
 						);
 
+					case "/v1beta/properties/$property_id/conversionEvents":
+						// Return a mock conversion event.
+						return new Response(
+							200,
+							array(),
+							Stream::factory(
+								json_encode(
+									array(
+										array(
+											'eventName' => 'some-event',
+											'name'      => "properties/$property_id/conversionEvents/some-name",
+										),
+									)
+								)
+							)
+						);
+
 					default:
 						return new Response( 200 );
 				}