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import { createSsrSafeDummyExPlatClient } from '../create-explat-client';
import * as Timing from '../internal/timing';
import type { Config } from '../types';
const spiedMonotonicNow = jest.spyOn( Timing, 'monotonicNow' );
type MockedFunction = ReturnType< typeof jest.fn >;
const createMockedConfig = ( override: Partial< Config > = {} ): Config => ( {
logError: jest.fn(),
fetchExperimentAssignment: jest.fn(),
getAnonId: jest.fn(),
isDevelopmentMode: false,
...override,
} );
beforeEach( () => {
jest.resetAllMocks();
} );
describe( 'loadExperimentAssignment', () => {
it( 'should behave as expected', async () => {
spiedMonotonicNow.mockImplementationOnce( () => 123456 );
const mockedConfig = createMockedConfig();
const client = createSsrSafeDummyExPlatClient( mockedConfig );
await expect( client.loadExperimentAssignment( 'experiment_name' ) ).resolves.toEqual( {
experimentName: 'experiment_name',
isFallbackExperimentAssignment: true,
retrievedTimestamp: 123456,
ttl: 60,
variationName: null,
} );
expect( ( mockedConfig.fetchExperimentAssignment as MockedFunction ).mock.calls ).toHaveLength(
0
);
expect( ( mockedConfig.getAnonId as MockedFunction ).mock.calls ).toHaveLength( 0 );
expect( ( mockedConfig.logError as MockedFunction ).mock.calls ).toMatchInlineSnapshot( `
Array [
Array [
Object {
"experimentName": "experiment_name",
"message": "Attempting to load ExperimentAssignment in SSR context",
},
],
]
` );
} );
} );
describe( 'dangerouslyGetExperimentAssignment', () => {
it( 'should behave as expected', () => {
spiedMonotonicNow.mockImplementationOnce( () => 123456 );
const mockedConfig = createMockedConfig();
const client = createSsrSafeDummyExPlatClient( mockedConfig );
expect( client.dangerouslyGetExperimentAssignment( 'experiment_name' ) ).toEqual( {
experimentName: 'experiment_name',
isFallbackExperimentAssignment: true,
retrievedTimestamp: 123456,
ttl: 60,
variationName: null,
} );
expect( ( mockedConfig.fetchExperimentAssignment as MockedFunction ).mock.calls ).toHaveLength(
0
);
expect( ( mockedConfig.getAnonId as MockedFunction ).mock.calls ).toHaveLength( 0 );
expect( ( mockedConfig.logError as MockedFunction ).mock.calls ).toMatchInlineSnapshot( `
Array [
Array [
Object {
"experimentName": "experiment_name",
"message": "Attempting to dangerously get ExperimentAssignment in SSR context",
},
],
]
` );
} );
} );
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