FeatureTogglesIT.java

package my.bookshop.it;

import static org.hamcrest.CoreMatchers.containsString;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.webmvc.test.autoconfigure.AutoConfigureMockMvc;
import org.springframework.security.test.context.support.WithMockUser;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.web.servlet.MockMvc;

// This test case is executable only when MTX sidecar is running.
@ActiveProfiles({"default", "ft"})
@AutoConfigureMockMvc
@SpringBootTest
class FeatureTogglesIT {

  private static final String ENDPOINT = "/api/browse/Books(aebdfc8a-0dfa-4468-bd36-48aabd65e663)";

  @Autowired private MockMvc client;

  @Test
  @WithMockUser("authenticated") // This user has all feature toggles disabled
  void withoutToggles_basicModelVisible() throws Exception {
    // Elements are not visible and not changed by the event handler
    client
        .perform(get(ENDPOINT))
        .andExpect(status().isOk())
        .andExpect(jsonPath("$.isbn").doesNotExist())
        .andExpect(jsonPath("$.title").value(containsString("11%")));
  }

  @Test
  @WithMockUser("admin") // This user has all feature toggles enabled
  void togglesOn_extensionsAndChangesAreVisible() throws Exception {
    // Elements are visible and changed by the event handler
    client
        .perform(get(ENDPOINT))
        .andExpect(status().isOk())
        .andExpect(jsonPath("$.isbn").value("979-8669820985"))
        .andExpect(jsonPath("$.title").value(containsString("14%")));
  }

  @Test
  @WithMockUser("user") // This user has only 'isbn' toggle enabled
  void toggleIsbnOn_extensionsAndChangesAreVisible() throws Exception {
    // Elements are visible
    client
        .perform(get(ENDPOINT))
        .andExpect(status().isOk())
        .andExpect(jsonPath("$.isbn").value("979-8669820985"))
        .andExpect(jsonPath("$.title").value(containsString("11%")));
  }
}