add mapper tests

litmus-core/src/main/java/com/navi/medici/mapper/MetricMapper.java

@@ -12,19 +12,15 @@ import org.springframework.stereotype.Component;
 @Component
 @RequiredArgsConstructor
 public class MetricMapper {
-    private final ExperimentRepository experimentRepository;
-    private final JacksonUtils jacksonUtils;
     public MetricResponse mapMetricEntityToMetricResponse(MetricEntity metricEntity){
-        long numberOfExperimentsForMetrics = experimentRepository.countByPrimaryMetric(metricEntity.getMetricName());
         return MetricResponse.builder()
                 .metricId(metricEntity.getMetricId())
                 .createdBy(metricEntity.getCreatedBy())
                 .metricName(metricEntity.getMetricName())
                 .metricType(StringUtils.isNotBlank(metricEntity.getMetricType())
-                        ? jacksonUtils.stringToObject(metricEntity.getMetricType(), MetricType.class)
+                        ? MetricType.valueOf(metricEntity.getMetricType())
                         : null)
                 .updatedAt(metricEntity.getUpdatedAt())
-                .numberOfExperiments(numberOfExperimentsForMetrics)
                 .build();
     }
 }

litmus-core/src/main/java/com/navi/medici/service/metric/MetricServiceImpl.java

@@ -10,6 +10,7 @@ import com.navi.medici.validator.MetricValidator;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
+import java.util.Objects;
 import java.util.UUID;
 
 @Slf4j
@@ -26,7 +27,9 @@ public record MetricServiceImpl(MetricRepository metricRepository,
         MetricEntity metric = MetricEntity.builder()
                 .metricId(UUID.randomUUID().toString())
                 .metricName(createMetricRequest.getMetricName())
-                .metricType(jacksonUtils.objectToString(createMetricRequest.getMetricType()))
+                .metricType(Objects.nonNull(createMetricRequest.getMetricType())
+                        ? createMetricRequest.getMetricType().toString()
+                        : null)
                 .createdBy(emailId)
                 .athenaQuery(createMetricRequest.getAthenaQuery())
                 .build();

litmus-core/src/test/java/com/navi/medici/mapper/MetricMapperTest.java

@@ -0,0 +1,34 @@
+package com.navi.medici.mapper;
+
+import com.navi.medici.entity.MetricEntity;
+import com.navi.medici.enums.MetricType;
+import com.navi.medici.response.MetricResponse;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@ExtendWith(MockitoExtension.class)
+class MetricMapperTest {
+    @InjectMocks
+    private MetricMapper metricMapper;
+
+    @Test
+    void mapMetricEntityToMetricResponse() {
+        MetricEntity metricEntity = MetricEntity.builder()
+                .metricId("uuid")
+                .metricType("BUSINESS")
+                .createdBy("user")
+                .athenaQuery("athena-query")
+                .metricName("metric-name")
+                .build();
+        MetricResponse response = metricMapper.mapMetricEntityToMetricResponse(metricEntity);
+        Assertions.assertEquals("uuid", response.getMetricId());
+        Assertions.assertEquals("BUSINESS", response.getMetricType().toString());
+        Assertions.assertEquals("user", response.getCreatedBy());
+        Assertions.assertEquals("metric-name", response.getMetricName());
+    }
+}