Trouble mocking Secrets Manager Client about aws-sdk-client-mock HOT 6 CLOSED

I run the test with both v3.28.0 and v3.34.0 of @aws-sdk/client-secrets-manager and it looks to work fine.

The code you posted has a slight mistake - you either pass the client class to the mockClient() function, or the same instance that you want to mock.

This works good for me:

import {mockClient} from 'aws-sdk-client-mock';
import {GetSecretValueCommand, SecretsManagerClient} from '@aws-sdk/client-secrets-manager';

it('mocks SecretsManagerClient', async () => {
    const smMock = mockClient(SecretsManagerClient);
    smMock.on(GetSecretValueCommand)
        .resolves({
            SecretString: JSON.stringify({my_secret_key: 'my_secret_value'}),
        });

    const sm = new SecretsManagerClient({});
    const response = await sm.send(new GetSecretValueCommand({
        SecretId: 'qq',
    }));

    expect(response.SecretString).toBe('{"my_secret_key":"my_secret_value"}');
});

Alternatively, if you want to mock only a single instance of the Client, you need to provide the same instance in the mock as you use later in code:

import {mockClient} from 'aws-sdk-client-mock';
import {GetSecretValueCommand, SecretsManagerClient} from '@aws-sdk/client-secrets-manager';

it('mocks SecretsManagerClient', async () => {
    const sm = new SecretsManagerClient({});

    const smMock = mockClient(sm);
    smMock.on(GetSecretValueCommand)
        .resolves({
            SecretString: JSON.stringify({my_secret_key: 'my_secret_value'}),
        });

    const response = await sm.send(new GetSecretValueCommand({
        SecretId: 'qq',
    }));

    expect(response.SecretString).toBe('{"my_secret_key":"my_secret_value"}');
});

Please let me know if that solves your problem.

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Hey, I was vacationing so sorry for the delay, but I will look into this in the next days.

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Just bumping this to see if there's any ideas/updates?

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Just wanted to reopen this because I got the same error (ExpiredTokenException: The security token included in the request is expired).

It seems you need to have valid credentials / token to access your AWS account from the CLI for it to work. I don't expect you'd need these set to do a mocked unit test 😅

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@Brawrdon can you create a sample repository with problem reproduction? As noted above, I did mock Secrets Manager successfully.

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Okay so very strange... It seems to work fine now even though my tokens expired so now I'm finding it hard to recreate the error.

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