catalog-dao/src/test/java/org/openecomp/sdc/be/utils/JsonTester.java

   1 package org.openecomp.sdc.be.utils;
   2
   3 import com.fasterxml.jackson.databind.ObjectMapper;
   4 import com.fasterxml.jackson.databind.type.MapType;
   5 import com.fasterxml.jackson.databind.type.TypeFactory;
   6
   7 import java.util.Map;
   8
   9 import static org.assertj.core.api.Assertions.assertThat;
  10 import static org.openecomp.sdc.be.utils.FixtureHelpers.fixture;
  11
  12 public class JsonTester {
  13     private static final ObjectMapper MAPPER = new ObjectMapper();
  14
  15     public JsonTester() {
  16
  17     }
  18
  19     public static <T> void testJson(T object, String fixturePath) throws Exception {
  20         testJson(object, fixturePath, MAPPER);
  21     }
  22
  23     @SuppressWarnings("unchecked")
  24     public static <T> void testJson(T object, String fixturePath, ObjectMapper mapper) throws Exception {
  25         T expectedObject = (T) mapper.readValue(fixture(fixturePath), object.getClass());
  26         String expectedJson = mapper.writeValueAsString(expectedObject);
  27         String actualJson = mapper.writeValueAsString(object);
  28
  29         assertThat(actualJson).isEqualTo(expectedJson);
  30     }
  31
  32     @SuppressWarnings("unchecked")
  33     public static <T> void testJsonMap(Map<String, T> map, Class<T> valueClass, String fixturePath, ObjectMapper mapper) throws Exception {
  34         MapType mapType = TypeFactory.defaultInstance().constructMapType(Map.class, String.class, valueClass);
  35         Map<String, T> expectedObject = mapper.readValue(fixture(fixturePath), mapType);
  36         String expectedJson = mapper.writeValueAsString(expectedObject);
  37
  38         String actualJson = mapper.writeValueAsString(map);
  39
  40         assertThat(actualJson).isEqualTo(expectedJson);
  41     }
  42 }