FINERACT-1694: Added tests for MonthDay Avro conversion

fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/mapper/support/AvroDateTimeMapperTest.java

@@ -93,7 +93,7 @@ class AvroDateTimeMapperTest {
         String result = underTest.mapLocalDate(source);
         // then
         assertThat(result).isEqualTo(expected);
-        LocalDate parsedDateTime = LocalDate.parse(result, DateTimeFormatter.ISO_LOCAL_DATE);
-        assertThat(parsedDateTime).isEqualTo(source);
+        LocalDate parsedDate = LocalDate.parse(result, DateTimeFormatter.ISO_LOCAL_DATE);
+        assertThat(parsedDate).isEqualTo(source);
     }
 }

fineract-provider/src/test/java/org/apache/fineract/infrastructure/event/external/service/serialization/mapper/support/AvroMonthDayMapperTest.java

@@ -0,0 +1,52 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+package org.apache.fineract.infrastructure.event.external.service.serialization.mapper.support;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.time.MonthDay;
+import org.junit.jupiter.api.Test;
+
+class AvroMonthDayMapperTest {
+
+    private AvroMonthDayMapper underTest = new AvroMonthDayMapper();
+
+    @Test
+    public void testMapMonthDayShouldReturnNullIfNullGiven() {
+        // given
+        // when
+        String result = underTest.mapMonthDay(null);
+        // then
+        assertThat(result).isNull();
+    }
+
+    @Test
+    public void testMapMonthDayShouldReturnStringInParsableFormat() {
+        // given
+        String expected = "--09-10";
+        MonthDay source = MonthDay.of(9, 10);
+        // when
+        String result = underTest.mapMonthDay(source);
+        // then
+        assertThat(result).isEqualTo(expected);
+        MonthDay parsedMonthDay = MonthDay.parse(result);
+        assertThat(parsedMonthDay).isEqualTo(source);
+    }
+
+}