test: add test case for #289

Author: nodkz

src/__tests__/github_issues/289-test.ts

@@ -0,0 +1,75 @@
+import { SchemaComposer, graphql } from 'graphql-compose';
+import { composeMongoose } from '../../index';
+import { mongoose } from '../../__mocks__/mongooseCommon';
+import { Document } from 'mongoose';
+
+const schemaComposer = new SchemaComposer<{ req: any }>();
+
+// mongoose.set('debug', true);
+
+const AuthorSchema = new mongoose.Schema({
+  name: { type: String },
+  age: { type: Number },
+});
+
+interface IAuthor extends Document {
+  name: string;
+  age: number;
+}
+
+const AuthorModel = mongoose.model<IAuthor>('Author', AuthorSchema);
+const AuthorTC = composeMongoose(AuthorModel, { schemaComposer });
+
+schemaComposer.Query.addFields({
+  authorMany: AuthorTC.mongooseResolvers.findMany().addFilterArg({
+    name: 'test',
+    type: 'String',
+    query: (query, value) => {
+      query.name = new RegExp(value, 'i');
+    },
+  }),
+});
+
+const schema = schemaComposer.buildSchema();
+
+beforeAll(async () => {
+  await AuthorModel.base.createConnection();
+  await AuthorModel.create({
+    name: 'Ayn Rand',
+    age: 115,
+  });
+});
+afterAll(() => {
+  AuthorModel.base.disconnect();
+});
+
+describe('check addFilterArg - issue #289', () => {
+  it('check SDL', async () => {
+    expect(schemaComposer.getITC('FilterFindManyAuthorInput').toSDL({ omitDescriptions: true }))
+      .toMatchInlineSnapshot(`
+      "input FilterFindManyAuthorInput {
+        name: String
+        age: Float
+        _id: MongoID
+        _operators: FilterFindManyAuthorOperatorsInput
+        OR: [FilterFindManyAuthorInput!]
+        AND: [FilterFindManyAuthorInput!]
+        test: String
+      }"
+    `);
+  });
+
+  it('check runtime', async () => {
+    const result = await graphql.graphql({
+      schema,
+      source: `query {
+          authorMany(filter: { test: "ayn" }) {
+            name
+            age
+          }
+        }`,
+      contextValue: {},
+    });
+    expect(result).toEqual({ data: { authorMany: [{ age: 115, name: 'Ayn Rand' }] } });
+  });
+});