BAEL-722 Intro to JSONassert

libraries/pom.xml

@@ -77,7 +77,7 @@
         <javatuples.version>1.2</javatuples.version>
         <javaassist.version>3.21.0-GA</javaassist.version>
         <assertj.version>3.6.2</assertj.version>
-        <jsonassert.version>1.4.0</jsonassert.version>
+        <jsonassert.version>1.5.0</jsonassert.version>
     </properties>
 
 </project>

libraries/src/test/java/com/baeldung/jsonassert/JsonAssertTest.java

@@ -1,5 +1,8 @@
 package com.baeldung.jsonassert;
 
+
+import static org.assertj.core.api.Assertions.assertThat;
+
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.junit.Test;
@@ -64,6 +67,17 @@ public void givenNestedObjects_whenAssertEquals_thenPass() throws JSONException
         JSONAssert.assertEquals("{id:1,name:\"Juergen\", address:{city:\"Hollywood\", "
             + "state:\"LA\", zip:91601}}", result, false);
     }
+
+    @Test
+    public void whenMessageUsedInAssertion_thenDisplayMessageOnFailure() throws JSONException {
+        String actual = "{id:123,name:\"John\"}";
+        String failureMessage = "Only one field is expected: name";
+        try {
+            JSONAssert.assertEquals(failureMessage, "{name:\"John\"}", actual, JSONCompareMode.STRICT);
+        } catch (AssertionError ae) {
+            assertThat(ae.getMessage()).containsIgnoringCase(failureMessage);
+        }
+    }
 
     @Test
     public void givenArray_whenComparing_thenOrderMustMatchForStrict() throws JSONException {