Update JacksonUtilsTest.java

spring-cloud-tencent-commons/src/test/java/com/tencent/cloud/common/util/JacksonUtilsTest.java

@@ -25,14 +25,13 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.junit.MockitoJUnitRunner;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * Test for {@link JacksonUtils}.
  *
- * @author lepdou, Haotian Zhang
+ * @author lepdou, Haotian Zhang, cheese8
  */
 @RunWith(MockitoJUnitRunner.class)
 public class JacksonUtilsTest {
@@ -43,27 +42,30 @@ public class JacksonUtilsTest {
 		sourceMap.put("k1", "v1");
 		sourceMap.put("k2", "v2");
 		sourceMap.put("k3", "v3");
-		assertEquals(JacksonUtils.serialize2Json(sourceMap), "{\"k1\":\"v1\",\"k2\":\"v2\",\"k3\":\"v3\"}");
+		assertThat(JacksonUtils.serialize2Json(sourceMap)).isEqualTo("{\"k1\":\"v1\",\"k2\":\"v2\",\"k3\":\"v3\"}");
 	}
 
 	@Test
 	public void testDeserialize2Map() {
 		String jsonStr = "{\"k1\":\"v1\",\"k2\":\"v2\",\"k3\":\"v3\"}";
 		Map<String, String> map = JacksonUtils.deserialize2Map(jsonStr);
-		assertEquals(map.size(), 3);
+		assertThat(map.size()).isEqualTo(3);
-		assertEquals(map.get("k1"), "v1");
+		assertThat(map.get("k1")).isEqualTo("v1");
-		assertEquals(map.get("k2"), "v2");
+		assertThat(map.get("k2")).isEqualTo("v2");
-		assertEquals(map.get("k3"), "v3");
+		assertThat(map.get("k3")).isEqualTo("v3");
 	}
 
 	@Test
 	public void testDeserializeBlankIntoEmptyMap() {
-		assertTrue(JacksonUtils.deserialize2Map("").isEmpty());
+		Map<String, String> map = JacksonUtils.deserialize2Map("");
+		assertThat(map).isNotNull();
+		assertThat(map).isEmpty();
 	}
 
 	@Test
 	public void testDeserializeThrowsRuntimeException() {
 		String jsonStr = "{\"k1\":\"v1\",\"k2\":\"v2\",\"k3\":\"v3\"";
-		assertThrows(RuntimeException.class, () -> JacksonUtils.deserialize2Map(jsonStr), "Json to map failed.");
+		assertThatThrownBy(() -> JacksonUtils.deserialize2Map(jsonStr))
+				.isExactlyInstanceOf(RuntimeException.class).hasMessage("Json to map failed.");
 	}
 }