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// @flow
const debug = require('debug')('api:utils:error-formatter');
import { graphql, print } from 'graphql';
import { makeExecutableSchema } from 'graphql-tools';
import createErrorFormatter from '../../utils/create-graphql-error-formatter';
const typeDefs = `
type Community {
id: ID!
threadConnection(first: Int = 10, after: String): CommunityThreadsConnection!
}
type CommunityThreadsConnection {
edges: [CommunityThreadEdge!]
}
type CommunityThreadEdge {
node: Thread!
}
type Thread {
id: ID!
channel: Channel!
}
type Channel {
id: ID!
}
type Query {
community(id: ID): Community
}
`;
const resolvers = {
Query: {
community: () => ({ id: 1 }),
},
Community: {
threadConnection: () => ({}),
},
CommunityThreadsConnection: {
edges: () => [6],
},
CommunityThreadEdge: {
node: id => ({ id }),
},
Thread: {
channel: () => null,
},
};
const schema = makeExecutableSchema({ typeDefs, resolvers });
const query = `
query getCommunityThreadConnection( $id: ID ){
community( id: $id ) {
id
threadConnection {
edges {
node {
id
channel {
id
}
}
}
}
}
}
`;
const variables = { id: 1 };
describe('createGraphQLErrorFormatter', () => {
const stderrWrite = process.stderr.write;
afterEach(() => {
process.stderr.write = stderrWrite;
});
it('returns function', () => {
expect(createErrorFormatter()).toBeInstanceOf(Function);
});
it('logs error path', async () => {
debug.log = [];
const result = await graphql(schema, query, null, null, variables);
const formatter = createErrorFormatter();
(result.errors || []).forEach(formatter);
expect(debug.log).toMatchSnapshot();
});
it('logs query and variables', async () => {
debug.log = [];
const result = await graphql(schema, query, null, null, variables);
const formatter = createErrorFormatter({ body: { query, variables } });
(result.errors || []).forEach(formatter);
expect(debug.log).toMatchSnapshot();
});
});
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