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

package de.fd.fh.server.user.web;

import com.fasterxml.jackson.core.JsonProcessingException;
import de.fd.fh.server.user.UserService;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import spark.Request;
import spark.Response;
import spark.Session;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.BDDMockito.then;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

class UserControllerTest
{
    @Mock
    Request request;
    @Mock
    Response response;
    @Mock
    UserService service;

    @BeforeEach
    void before()
    {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    void getUserTest() throws JsonProcessingException
    {
        when(request.params(any())).thenReturn("12345");
        when(service.getSmallPlayer(any())).thenReturn(new UserRequest("12345", "TestName"));

        final ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);

        final Response result = new UserController(service).getUser(request, response);

        verify(response).body(captor.capture());

        assertEquals(response, result, "Should return the incomming response.");
        assertEquals("{\"id\":\"12345\",\"name\":\"TestName\"}", captor.getValue(),
                "Should return UserRequest in Body.");
        then(service).should().getSmallPlayer(any());
    }

    @Test
    void failedGetUserTest() throws JsonProcessingException
    {
        when(request.params(any())).thenReturn("12345");
        when(service.getSmallPlayer(any())).thenReturn(null);

        final ArgumentCaptor<Integer> statusCaptor = ArgumentCaptor.forClass(Integer.class);

        final Response result = new UserController(service).getUser(request, response);

        verify(response).status(statusCaptor.capture());

        assertEquals(response, result, "Should return the incomming response.");
        assertEquals(Integer.valueOf(404), statusCaptor.getValue(), "Should return not found status code.");
        then(service).should().getSmallPlayer(any());
        then(service).shouldHaveNoMoreInteractions();
    }
}