chore: initial commit with CI pipeline, review and tasks docs

src/test/java/com/mosquito/project/job/StatisticsAggregationJobTest.java

@@ -0,0 +1,51 @@
+package com.mosquito.project.job;
+
+import com.mosquito.project.domain.Activity;
+import com.mosquito.project.domain.DailyActivityStats;
+import com.mosquito.project.service.ActivityService;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.time.LocalDate;
+import java.time.ZonedDateTime;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class StatisticsAggregationJobTest {
+
+    @Mock
+    private ActivityService activityService;
+
+    @InjectMocks
+    private StatisticsAggregationJob statisticsAggregationJob;
+
+    @Test
+    void whenAggregateStatsForActivity_thenCreatesStats() {
+        // Arrange
+        Activity activity = new Activity();
+        activity.setId(1L);
+        activity.setName("Test Activity");
+        activity.setStartTime(ZonedDateTime.now());
+        activity.setEndTime(ZonedDateTime.now().plusDays(1));
+
+        LocalDate testDate = LocalDate.now();
+
+        // Act
+        DailyActivityStats stats = statisticsAggregationJob.aggregateStatsForActivity(activity, testDate);
+
+        // Assert
+        assertNotNull(stats);
+        assertEquals(activity.getId(), stats.getActivityId());
+        assertEquals(testDate, stats.getStatDate());
+        assertTrue(stats.getViews() >= 1000);
+        assertTrue(stats.getShares() >= 200);
+        assertTrue(stats.getNewRegistrations() >= 50);
+        assertTrue(stats.getConversions() >= 10);
+    }
+}