Added unit test for CLI script.

includes/core/classes/commands/class-cli-event.php

@@ -67,7 +67,7 @@ public function rsvp( array $args = array(), array $assoc_args = array() ): void
 
 		$response = $event->rsvp->save( $user_id, $status );
 
-		WP_CLI::success(
+		static::success(
 			sprintf(
 				/* translators: %1$d: event ID, %2$s: attendance status, %3$d: user ID. */
 				__( 'The RSVP status for Event ID "%1$d" has been successfully set to "%2$s" for User ID "%3$d".', 'gatherpress' ),

includes/core/classes/commands/class-cli-general.php

@@ -39,6 +39,8 @@ class Cli_General extends WP_CLI {
 	 *    $ wp gatherpress generate_credits --version=1.0.0
 	 *    Success: New latest.php file has been generated.
 	 *
+	 * @codeCoverageIgnore Command is for internal purposes only.
+	 *
 	 * @since 1.0.0
 	 *
 	 * @param array $args       Positional arguments for the script.
@@ -81,6 +83,6 @@ public function generate_credits( array $args = array(), array $assoc_args = arr
 		fwrite( $file, '<?php return ' . var_export( $data, true ) . ';' ); //phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fwrite,WordPress.PHP.DevelopmentFunctions.error_log_var_export
 		fclose( $file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fclose
 
-		WP_CLI::success( 'New latest.php file has been generated.' );
+		static::success( 'New latest.php file has been generated.' );
 	}
 }

test/unit/php/includes/core/classes/commands/class-test-cli-event.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Class handles unit tests for GatherPress\Core\Commands\Cli_Event.
+ *
+ * @package GatherPress
+ * @subpackage Core
+ * @since 1.0.0
+ */
+
+namespace GatherPress\Tests\Core\Commands;
+
+use GatherPress\Core\Commands\Cli_Event;
+use GatherPress\Core\Event;
+use PMC\Unit_Test\Base;
+use PMC\Unit_Test\Utility;
+
+/**
+ * Class Test_Block.
+ *
+ * @coversDefaultClass \GatherPress\Core\Commands\Cli_Event
+ */
+class Test_Cli_Event extends Base {
+	/**
+	 * Coverage for rsvp.
+	 *
+	 * @covers ::rsvp
+	 *
+	 * @return void
+	 */
+	public function test_rsvp(): void {
+		$cli_event  = new Cli_Event();
+		$event      = $this->mock->post( array( 'post_type' => Event::POST_TYPE ) )->get();
+		$user       = $this->mock->user()->get();
+		$status     = 'not_attending';
+		$assoc_args = array(
+			'event_id' => $event->ID,
+			'user_id'  => $user->ID,
+			'status'   => $status,
+		);
+
+		$output  = Utility::buffer_and_return( array( $cli_event, 'rsvp' ), array( array(), $assoc_args ) );
+		$expects = sprintf(
+			'Success: The RSVP status for Event ID "%1$d" has been successfully set to "%2$s" for User ID "%3$d".',
+			$event->ID,
+			$status,
+			$user->ID,
+		);
+
+		$this->assertSame( $expects, $output, 'Failed to assert output matches.' );
+	}
+}