integrationTests/ts: split tests into separate files (#3280)

integrationTests/ts/TypedQueryDocumentNode-test.ts

@@ -0,0 +1,72 @@
+import type { ExecutionResult } from 'graphql/execution';
+import type { TypedQueryDocumentNode } from 'graphql/utilities';
+
+import { parse } from 'graphql/language';
+import { execute } from 'graphql/execution';
+import { buildSchema } from 'graphql/utilities';
+
+const schema = buildSchema(`
+  type Query {
+    test: String
+  }
+`);
+
+// Tests for TS specific TypedQueryDocumentNode type
+const queryDocument = parse('{ test }');
+
+type ResponseData = { test: string };
+const typedQueryDocument = queryDocument as TypedQueryDocumentNode<
+  ResponseData,
+  {}
+>;
+
+// Supports conversion to DocumentNode
+execute({ schema, document: typedQueryDocument });
+
+function wrappedExecute<T>(document: TypedQueryDocumentNode<T>) {
+  return execute({ schema, document }) as ExecutionResult<T>;
+}
+
+const response = wrappedExecute(typedQueryDocument);
+const responseData: ResponseData | undefined | null = response.data;
+
+declare function runQueryA(
+  q: TypedQueryDocumentNode<{ output: string }, { input: string | null }>,
+): void;
+
+// valid
+declare const optionalInputRequiredOutput: TypedQueryDocumentNode<
+  { output: string },
+  { input: string | null }
+>;
+runQueryA(optionalInputRequiredOutput);
+
+declare function runQueryB(
+  q: TypedQueryDocumentNode<{ output: string | null }, { input: string }>,
+): void;
+
+// still valid: We still accept {output: string} as a valid result.
+// We're now passing in {input: string} which is still assignable to {input: string | null}
+runQueryB(optionalInputRequiredOutput);
+
+// valid: we now accept {output: null} as a valid Result
+declare const optionalInputOptionalOutput: TypedQueryDocumentNode<
+  { output: string | null },
+  { input: string | null }
+>;
+runQueryB(optionalInputOptionalOutput);
+
+// valid: we now only pass {input: string} to the query
+declare const requiredInputRequiredOutput: TypedQueryDocumentNode<
+  { output: string },
+  { input: string }
+>;
+runQueryB(requiredInputRequiredOutput);
+
+// valid: we now accept {output: null} as a valid Result AND
+//        we now only pass {input: string} to the query
+declare const requiredInputOptionalOutput: TypedQueryDocumentNode<
+  { output: null },
+  { input: string }
+>;
+runQueryB(requiredInputOptionalOutput);

integrationTests/ts/basic-test.ts

@@ -0,0 +1,31 @@
+import type { ExecutionResult } from 'graphql/execution';
+
+import { graphqlSync } from 'graphql';
+import { GraphQLString, GraphQLSchema, GraphQLObjectType } from 'graphql/type';
+
+const queryType: GraphQLObjectType = new GraphQLObjectType({
+  name: 'Query',
+  fields: () => ({
+    sayHi: {
+      type: GraphQLString,
+      args: {
+        who: { type: GraphQLString },
+      },
+      resolve(_root, args) {
+        return 'Hello ' + (args.who ?? 'World');
+      },
+    },
+  }),
+});
+
+const schema: GraphQLSchema = new GraphQLSchema({ query: queryType });
+
+const result: ExecutionResult = graphqlSync({
+  schema,
+  source: `
+    query helloWho($who: String){
+      test(who: $who)
+    }
+  `,
+  variableValues: { who: 'Dolly' },
+});

integrationTests/ts/extensions-test.ts

@@ -0,0 +1,62 @@
+import { GraphQLString, GraphQLObjectType } from 'graphql/type';
+
+interface SomeExtension {
+  number: number;
+  string: string;
+}
+
+const example: SomeExtension = {
+  number: 42,
+  string: 'Meaning of life',
+};
+
+declare module 'graphql' {
+  interface GraphQLObjectTypeExtensions<_TSource = any, _TContext = any> {
+    someObjectExtension?: SomeExtension;
+  }
+
+  interface GraphQLFieldExtensions<
+    _TSource,
+    _TContext,
+    _TArgs = { [argName: string]: any },
+  > {
+    someFieldExtension?: SomeExtension;
+  }
+
+  interface GraphQLArgumentExtensions {
+    someArgumentExtension?: SomeExtension;
+  }
+}
+
+const queryType: GraphQLObjectType = new GraphQLObjectType({
+  name: 'Query',
+  fields: () => ({
+    sayHi: {
+      type: GraphQLString,
+      args: {
+        who: {
+          type: GraphQLString,
+          extensions: {
+            someArgumentExtension: example,
+          },
+        },
+      },
+      resolve: (_root, args) => 'Hello ' + (args.who || 'World'),
+      extensions: {
+        someFieldExtension: example,
+      },
+    },
+  }),
+  extensions: {
+    someObjectExtension: example,
+  },
+});
+
+function checkExtensionTypes(_test: SomeExtension | null | undefined) {}
+
+checkExtensionTypes(queryType.extensions.someObjectExtension);
+
+const sayHiField = queryType.getFields().sayHi;
+checkExtensionTypes(sayHiField.extensions.someFieldExtension);
+
+checkExtensionTypes(sayHiField.args[0].extensions.someArgumentExtension);