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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| // @flow strict | ||
|
|
||
| import { forAwaitEach } from 'iterall'; | ||
| import { expect } from 'chai'; | ||
| import { describe, it } from 'mocha'; | ||
|
|
||
| import { graphql } from '../graphql'; | ||
|
|
||
| import { | ||
| StarWarsSchema, | ||
| StarWarsSchemaDeferStreamEnabled, | ||
| } from './starWarsSchema'; | ||
|
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||
| describe('Star Wars Query Stream Tests', () => { | ||
| describe('Compatibility', () => { | ||
| it('Can disable @stream and return would-be streamed data as part of initial result', async () => { | ||
| const query = ` | ||
| query HeroFriendsQuery { | ||
| hero { | ||
| friends @stream(initial_count: 0, label: "HeroFriends") { | ||
| id | ||
| name | ||
| } | ||
| } | ||
| } | ||
| `; | ||
| const result = await graphql(StarWarsSchema, query); | ||
| expect(result).to.deep.equal({ | ||
| data: { | ||
| hero: { | ||
| friends: [ | ||
| { | ||
| id: '1000', | ||
| name: 'Luke Skywalker', | ||
| }, | ||
| { | ||
| id: '1002', | ||
| name: 'Han Solo', | ||
| }, | ||
| { | ||
| id: '1003', | ||
| name: 'Leia Organa', | ||
| }, | ||
| ], | ||
| }, | ||
| }, | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| describe('Basic Queries', () => { | ||
| it('Can @stream an array field', async () => { | ||
| const query = ` | ||
| query HeroFriendsQuery { | ||
| hero { | ||
| friends @stream(initial_count: 2, label: "HeroFriends") { | ||
| id | ||
| name | ||
| } | ||
| } | ||
| } | ||
| `; | ||
| const result = await graphql(StarWarsSchemaDeferStreamEnabled, query); | ||
| const { patches: patchesIterable, ...initial } = result; | ||
| expect(initial).to.deep.equal({ | ||
| data: { | ||
| hero: { | ||
| friends: [ | ||
| { | ||
| id: '1000', | ||
| name: 'Luke Skywalker', | ||
| }, | ||
| { | ||
| id: '1002', | ||
| name: 'Han Solo', | ||
| }, | ||
| ], | ||
| }, | ||
| }, | ||
| }); | ||
|
|
||
| const patches = []; | ||
|
|
||
| if (patchesIterable) { | ||
| await forAwaitEach(patchesIterable, patch => { | ||
| patches.push(patch); | ||
| }); | ||
| } | ||
|
|
||
| expect(patches).to.have.lengthOf(1); | ||
| expect(patches[0]).to.deep.equal({ | ||
| label: 'HeroFriends', | ||
| path: ['hero', 'friends', 2], | ||
| data: { | ||
| id: '1003', | ||
| name: 'Leia Organa', | ||
| }, | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| it('Can @stream multiple selections on the same field', async () => { | ||
| const query = ` | ||
| query HeroFriendsQuery { | ||
| hero { | ||
| friends { | ||
| id | ||
| } | ||
| ...FriendsName | ||
| ...FriendsAppearsIn | ||
| } | ||
| } | ||
| fragment FriendsName on Character { | ||
| friends @stream(label: "nameLabel", initial_count: 1) { | ||
| name | ||
| } | ||
| } | ||
| fragment FriendsAppearsIn on Character { | ||
| friends @stream(label: "appearsInLabel", initial_count: 2) { | ||
| appearsIn | ||
| } | ||
| } | ||
| `; | ||
| const result = await graphql(StarWarsSchemaDeferStreamEnabled, query); | ||
| const { patches: patchesIterable, ...initial } = result; | ||
| expect(initial).to.deep.equal({ | ||
| data: { | ||
| hero: { | ||
| friends: [ | ||
| { | ||
| id: '1000', | ||
| appearsIn: ['NEWHOPE', 'EMPIRE', 'JEDI'], | ||
| name: 'Luke Skywalker', | ||
| }, | ||
| { | ||
| id: '1002', | ||
| appearsIn: ['NEWHOPE', 'EMPIRE', 'JEDI'], | ||
| }, | ||
| { | ||
| id: '1003', | ||
| }, | ||
| ], | ||
| }, | ||
| }, | ||
| }); | ||
|
|
||
| const patches = []; | ||
|
|
||
| if (patchesIterable) { | ||
| await forAwaitEach(patchesIterable, patch => { | ||
| patches.push(patch); | ||
| }); | ||
| } | ||
|
|
||
| expect(patches).to.have.lengthOf(3); | ||
| expect(patches[0]).to.deep.equal({ | ||
| data: { | ||
| name: 'Han Solo', | ||
| }, | ||
| path: ['hero', 'friends', 1], | ||
| label: 'nameLabel', | ||
| }); | ||
|
|
||
| expect(patches[1]).to.deep.equal({ | ||
| data: { | ||
| name: 'Leia Organa', | ||
| }, | ||
| path: ['hero', 'friends', 2], | ||
| label: 'nameLabel', | ||
| }); | ||
|
|
||
| expect(patches[2]).to.deep.equal({ | ||
| data: { | ||
| appearsIn: ['NEWHOPE', 'EMPIRE', 'JEDI'], | ||
| }, | ||
| path: ['hero', 'friends', 2], | ||
| label: 'appearsInLabel', | ||
| }); | ||
| }); | ||
| }); |