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Cypress extension for logging in with amplify-js auth
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/** | |
* amplify-js / cognito auth helper | |
* specific personas are logged-in and their tokens are cached to save on round-trips. | |
*/ | |
import { Amplify } from 'aws-amplify'; | |
import { signIn, SignInOutput, signOut } from '@aws-amplify/auth'; | |
import { ResourcesConfig } from '@aws-amplify/core'; | |
console.log('configuring amplify'); | |
// configure amplify | |
const auth = Cypress.env().auth; | |
const cognitoConfig: ResourcesConfig = { | |
Auth: { | |
Cognito: { | |
userPoolId: auth.userPoolId, | |
userPoolClientId: auth.userPoolClientId | |
} | |
} | |
}; | |
Amplify.configure(cognitoConfig); | |
type StorageValue = string | null; | |
type StorageMap = Map<string, StorageValue>; | |
const exportStorage = (): StorageMap => { | |
const keyValueStore = new Map<string, StorageValue>(); // storageMap(); | |
for (let i = 0, l = localStorage.length; i < l; i++) { | |
const key = localStorage.key(i) as string; | |
keyValueStore.set(key, localStorage.getItem(key)); | |
} | |
return keyValueStore; | |
}; | |
const importStorage = (storage: StorageMap, clearBefore: boolean) => { | |
if (clearBefore) { | |
localStorage.clear(); | |
} | |
storage.forEach((value: StorageValue, key: string) => { | |
localStorage.setItem(key, value as string); | |
}); | |
}; | |
const cognitoUserCache = new Map<string, StorageMap>(); // userCache(); | |
Cypress.Commands.add('signInAs', (persona) => { | |
const userStorage = cognitoUserCache.get(persona.username); | |
if (userStorage) { | |
console.log('recycling user', persona.username); | |
importStorage(userStorage, true); | |
return; | |
} | |
console.log('signing in', persona.username); | |
return signIn({ | |
username: persona.username, | |
password: persona.password, | |
options: { | |
authFlowType: 'CUSTOM_WITH_SRP' | |
} | |
}) | |
.then((output: SignInOutput) => { | |
cognitoUserCache.set(persona.username, exportStorage()); | |
if (!output.isSignedIn) throw new Error('User could not be signed in'); | |
}) | |
.catch((err: any) => { | |
console.error(err); | |
}); | |
}); | |
Cypress.Commands.add('signOut', () => { | |
console.log('signing out'); | |
return signOut(); | |
}); |
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