Multi-Chess/fh.fd.ci.server/src/test/java/de/fd/fh/server/user/UserRepositoryTest.java

package de.fd.fh.server.user;

import dev.morphia.Datastore;
import dev.morphia.Key;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.notNullValue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.BDDMockito.then;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

class UserRepositoryTest
{
    @Mock
    private Datastore datastore;

    @BeforeEach
    public void before()
    {
        datastore = mock(Datastore.class);
    }

    @Test
    void given_newUser_when_saveUser_should_storeUserInDatabase()
    {
        when(datastore.save(any(User.class)))
                .thenReturn(new Key<>(User.class, "collection", "id"));

        final User access = new User(UserId.of("userId"), "testName");

        final Key<User> result = new UserRepository(datastore).save(access);

        assertThat("Key is null", result, notNullValue());
        then(datastore).should().save(any(User.class));
    }
}