Added dependency plugins

wordpress/wp-content/plugins/wp-graphql/tests/wpunit/RelayMutationSchemaTest.php

@@ -0,0 +1,146 @@
+<?php
+
+class RelayMutationSchemaTest extends \Codeception\TestCase\WPTestCase {
+
+	public function setUp() {
+		// before
+		parent::setUp();
+
+		// your set up methods here
+	}
+
+	public function tearDown() {
+		// your tear down methods here
+
+		// then
+		parent::tearDown();
+	}
+
+	/**
+	 * This tests to make sure the mutation schema follows the Relay spec
+	 *
+	 * @see: https://facebook.github.io/relay/graphql/mutations.htm#sec-Introspection
+	 */
+	public function testRelayMutationSchema() {
+
+		$introspection_query = '
+		{
+		  __schema {
+		    mutationType {
+		      fields {
+		        type {
+		          kind
+		          fields {
+		            name
+		            type {
+		              kind
+		              ofType {
+		                name
+		                kind
+		              }
+		            }
+		          }
+		        }
+		        args {
+		          name
+		          type {
+		            kind
+		            ofType {
+		              kind
+		              inputFields {
+		                name
+		                type {
+		                  kind
+		                  ofType {
+		                    name
+		                    kind
+		                  }
+		                }
+		              }
+		            }
+		          }
+		        }
+		      }
+		    }
+		  }
+		}
+		';
+
+		/**
+		 * Run the introspection query
+		 */
+		$actual = do_graphql_request( $introspection_query );
+
+		/**
+		 * Get the mutationType fields out of the response tree
+		 */
+		$mutation_type_fields = ! empty( $actual['data']['__schema']['mutationType']['fields'] ) ? $actual['data']['__schema']['mutationType']['fields'] : null;
+
+		/**
+		 * Verify that the $mutation_type_fields is not empty
+		 */
+		$this->assertNotEmpty( $mutation_type_fields );
+
+		/**
+		 * If the fields are a populated array
+		 */
+		if ( ! empty( $mutation_type_fields ) && is_array( $mutation_type_fields ) ) {
+
+			/**
+			 * Loop through the fields to ensure they have fields of their own
+			 */
+			foreach ( $mutation_type_fields as $mutation_type_field ) {
+
+				$type = ! empty( $mutation_type_field['type'] ) ? $mutation_type_field['type'] : null;
+
+				/**
+				 * All mutations should declare a Type
+				 */
+				$this->assertNotEmpty( $type );
+
+				/**
+				 * All types should have a "kind"
+				 */
+				$this->assertArrayHasKey( 'kind', $type );
+
+				/**
+				 * All rootMutations should be Object types
+				 */
+				$this->assertEquals( $type['kind'], 'OBJECT' );
+
+				/**
+				 * All rootMutations should have fields
+				 */
+				$this->assertNotEmpty( $type['fields'] );
+
+				/**
+				 * All rootMutations should have a clientMutationId field
+				 */
+				$this->assertTrue( $this->checkIfClientMutationIdExists( $type['fields'] ) );
+			}
+		}
+
+	}
+
+	/**
+	 * This is a helper that searches an array to see if any nested items contain the "name" attribute
+	 * with a value of "clientMutationId"
+	 *
+	 * @param $array
+	 *
+	 * @return bool
+	 */
+	public function checkIfClientMutationIdExists( $array ) {
+
+		$this->assertNotEmpty( $array );
+
+		foreach ( $array as $item ) {
+			if ( 'clientMutationId' === $item['name'] ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+}