code: /**
   * This file is part of Eclipse Steady.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.backend.rest;
  
  import static org.hamcrest.Matchers.is;
  import static org.junit.Assert.assertEquals;
  import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
  import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.options;
  import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
  import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
  import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
  import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
  import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppContextSetup;
  
  import java.nio.charset.Charset;
  import java.util.Arrays;
  import java.util.function.Predicate;
  
  import javax.persistence.EntityNotFoundException;
  
  import org.eclipse.steady.backend.model.Tenant;
  import org.eclipse.steady.backend.repo.TenantRepository;
  import org.eclipse.steady.shared.json.JacksonUtil;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.http.MediaType;
  import org.springframework.http.converter.HttpMessageConverter;
  import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
  import org.springframework.test.context.ActiveProfiles;
  import org.springframework.test.context.junit4.SpringRunner;
  import org.springframework.test.web.servlet.MockMvc;
  import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
  import org.springframework.web.context.WebApplicationContext;
  
  @RunWith(SpringRunner.class)
  @SpringBootTest(
      classes = MainController.class,
      webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
  @ActiveProfiles("test")
  public class TenantControllerTest {
  
    private MediaType contentType =
        new MediaType(
            MediaType.APPLICATION_JSON.getType(),
            MediaType.APPLICATION_JSON.getSubtype(),
            Charset.forName("utf8"));
  
    private MockMvc mockMvc;
    private HttpMessageConverter<?> mappingJackson2HttpMessageConverter;
  
    public static final String TEST_DEFAULT_SPACE = "public";
    public static final String TEST_DEFAULT_TENANT = "default";
  
    @Autowired private TenantRepository tenantRepository;
  
    @Autowired private WebApplicationContext webApplicationContext;
  
    @Autowired
    void setConverters(HttpMessageConverter<?>[] converters) {
  
      this.mappingJackson2HttpMessageConverter =
          Arrays.asList(converters).stream()
              .filter(
                  new Predicate<HttpMessageConverter<?>>() {
                    @Override
                    public boolean test(HttpMessageConverter<?> hmc) {
                      return hmc instanceof MappingJackson2HttpMessageConverter;
                    }
                  })
              .findAny()
              .get();
  
      Assert.assertNotNull(
          "the JSON message converter must not be null", this.mappingJackson2HttpMessageConverter);
    }
  
    @Before
    public void setup() throws Exception {
      this.mockMvc = webAppContextSetup(webApplicationContext).build();
    }
  
    @After
    public void reset() throws Exception {
      this.tenantRepository.deleteAll();
    }
  
    /**
     * Check tenant creation.
     *
     * @throws Exception
     */
    @Test
    public void testTenantCreation() throws Exception {
  
      createDefaultTenant();
  
      final String tenant_name = "foo";
      org.eclipse.steady.shared.json.model.Tenant new_shared_tenant =
          new org.eclipse.steady.shared.json.model.Tenant();
  
      // attempt to create another default tenant
      new_shared_tenant.setTenantName(TEST_DEFAULT_TENANT);
      new_shared_tenant.setDefault(true);
      new_shared_tenant.setTenantToken(
          TEST_DEFAULT_TENANT); // Token does not matter, will be generated anyways server-side
  
      MockHttpServletRequestBuilder post_builder =
          post("/tenants")
              .content(JacksonUtil.asJsonString(new_shared_tenant))
              .contentType(MediaType.APPLICATION_JSON)
              .accept(MediaType.APPLICATION_JSON);
      mockMvc.perform(post_builder).andExpect(status().isBadRequest());
  
      assertEquals(1, this.tenantRepository.count());
  
      // create a non default tenant
      new_shared_tenant.setTenantName(tenant_name);
      new_shared_tenant.setDefault(false);
  
      post_builder =
          post("/tenants")
              .content(JacksonUtil.asJsonString(new_shared_tenant))
              .contentType(MediaType.APPLICATION_JSON)
              .accept(MediaType.APPLICATION_JSON);
      mockMvc
          .perform(post_builder)
          .andExpect(status().isCreated())
          .andExpect(content().contentType(contentType))
          .andExpect(jsonPath("$.tenantName", is(tenant_name)));
  
      assertEquals(2, this.tenantRepository.count());
    }
  
    /**
     * Check presence of default tenant.
     *
     * @throws Exception
     */
    @Test
    public void testGetTenant() throws Exception {
  
      createDefaultTenant();
  
      // Read tenant from repo by token
      final Tenant tenant =
          TenantRepository.FILTER.findOne(
              this.tenantRepository.findBySecondaryKey(TEST_DEFAULT_TENANT));
  
      // Read default tenant
      final Tenant default_tenant = this.tenantRepository.findDefault();
  
      // Default tenant exists
      MockHttpServletRequestBuilder opts_builder = options("/tenants/" + TEST_DEFAULT_TENANT);
      mockMvc.perform(opts_builder).andExpect(status().isOk());
  
      // Default tenant members
      MockHttpServletRequestBuilder get_builder =
          get("/tenants/" + TEST_DEFAULT_TENANT).accept(MediaType.APPLICATION_JSON);
      mockMvc
          .perform(get_builder)
          .andExpect(status().isOk())
          .andExpect(content().contentType(contentType))
          //	.andExpect(content().json(JacksonUtil.asJsonString(default_tenant))) //the deserialized
          // tenant does not match the one read from the db as the spaces are not transfered
          .andExpect(jsonPath("$.default", is(true)))
          .andExpect(jsonPath("$.spaces").doesNotExist())
          .andExpect(jsonPath("$.tenantToken", is(TEST_DEFAULT_TENANT)))
          .andExpect(jsonPath("$.tenantName", is(TEST_DEFAULT_TENANT)));
    }
  
    private void createDefaultTenant() {
      Tenant default_tenant = null;
  
      try {
        default_tenant =
            TenantRepository.FILTER.findOne(tenantRepository.findBySecondaryKey(TEST_DEFAULT_TENANT));
  
      } catch (EntityNotFoundException e) {
        default_tenant = new Tenant();
        default_tenant.setTenantToken(TEST_DEFAULT_TENANT);
        default_tenant.setTenantName(TEST_DEFAULT_TENANT);
        default_tenant.setDefault(true);
        tenantRepository.save(default_tenant);
      }
    }
  }
  