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Pluggable documentStore replacing experimental option (#5644)
Co-authored-by: David Glasser <glasser@davidglasser.net> Co-authored-by: Stephen Barlow <stephen@apollographql.com>
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116 changes: 116 additions & 0 deletions
116
packages/apollo-server-core/src/__tests__/documentStore.test.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| import gql from 'graphql-tag'; | ||
| import type { DocumentNode } from 'graphql'; | ||
|
|
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| import { ApolloServerBase } from '../ApolloServer'; | ||
| import { InMemoryLRUCache } from 'apollo-server-caching'; | ||
|
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| const typeDefs = gql` | ||
| type Query { | ||
| hello: String | ||
| } | ||
| `; | ||
|
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| const resolvers = { | ||
| Query: { | ||
| hello() { | ||
| return 'world'; | ||
| }, | ||
| }, | ||
| }; | ||
|
|
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| // allow us to access internals of the class | ||
| class ApolloServerObservable extends ApolloServerBase { | ||
| override graphQLServerOptions() { | ||
| return super.graphQLServerOptions(); | ||
| } | ||
| } | ||
|
|
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| const documentNodeMatcher = { | ||
| kind: 'Document', | ||
| definitions: expect.any(Array), | ||
| loc: { | ||
| start: 0, | ||
| end: 15, | ||
| }, | ||
| }; | ||
|
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| const operations = { | ||
| simple: { | ||
| op: { query: 'query { hello }' }, | ||
| hash: 'ec2e01311ab3b02f3d8c8c712f9e579356d332cd007ac4c1ea5df727f482f05f', | ||
| }, | ||
| }; | ||
|
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| describe('ApolloServerBase documentStore', () => { | ||
| it('documentStore - undefined', async () => { | ||
| const server = new ApolloServerObservable({ | ||
| typeDefs, | ||
| resolvers, | ||
| }); | ||
|
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| await server.start(); | ||
|
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| const options = await server.graphQLServerOptions(); | ||
| const embeddedStore = options.documentStore as any; | ||
| expect(embeddedStore).toBeInstanceOf(InMemoryLRUCache); | ||
|
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| await server.executeOperation(operations.simple.op); | ||
|
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| expect(await embeddedStore.getTotalSize()).toBe(403); | ||
| expect(await embeddedStore.get(operations.simple.hash)).toMatchObject( | ||
| documentNodeMatcher, | ||
| ); | ||
| }); | ||
|
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| it('documentStore - custom', async () => { | ||
| const documentStore = { | ||
| get: async function (key: string) { | ||
| return cache[key]; | ||
| }, | ||
| set: async function (key: string, val: DocumentNode) { | ||
| cache[key] = val; | ||
| }, | ||
| delete: async function () {}, | ||
| }; | ||
| const cache: Record<string, DocumentNode> = {}; | ||
|
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| const getSpy = jest.spyOn(documentStore, 'get'); | ||
| const setSpy = jest.spyOn(documentStore, 'set'); | ||
|
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| const server = new ApolloServerBase({ | ||
| typeDefs, | ||
| resolvers, | ||
| documentStore, | ||
| }); | ||
| await server.start(); | ||
|
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| await server.executeOperation(operations.simple.op); | ||
|
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| expect(Object.keys(cache)).toEqual([operations.simple.hash]); | ||
| expect(cache[operations.simple.hash]).toMatchObject(documentNodeMatcher); | ||
|
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| await server.executeOperation(operations.simple.op); | ||
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| expect(Object.keys(cache)).toEqual([operations.simple.hash]); | ||
|
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| expect(getSpy.mock.calls.length).toBe(2); | ||
| expect(setSpy.mock.calls.length).toBe(1); | ||
| }); | ||
|
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| it('documentStore - null', async () => { | ||
| const server = new ApolloServerObservable({ | ||
| typeDefs, | ||
| resolvers, | ||
| documentStore: null, | ||
| }); | ||
|
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| await server.start(); | ||
|
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| const options = await server.graphQLServerOptions(); | ||
| expect(options.documentStore).toBe(null); | ||
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| const result = await server.executeOperation(operations.simple.op); | ||
|
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| expect(result.data).toEqual({ hello: 'world' }); | ||
| }); | ||
| }); |
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