test: localDP constructor and getters

assignment/src/test/java/appointmentplanner/LocalDayPlanTest.java

@@ -0,0 +1,42 @@
+package appointmentplanner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.time.Instant;
+import java.time.LocalTime;
+import java.util.stream.Stream;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import appointmentplanner.api.LocalDay;
+import appointmentplanner.api.LocalDayPlan;
+
+public class LocalDayPlanTest {
+
+  private static Stream<Arguments> provideLocalDPDataset() {
+    return Stream.of(
+        Arguments.of(new LocalDay(), Instant.parse("2023-01-01T08:30:00Z"), Instant.parse("2023-01-01T17:30:00Z")),
+        Arguments.of(new LocalDay(), Instant.parse("2023-06-15T09:00:00Z"), Instant.parse("2023-06-15T18:00:00Z")),
+        Arguments.of(new LocalDay(), Instant.parse("2024-12-31T07:00:00Z"), Instant.parse("2024-12-31T16:00:00Z")));
+  }
+
+  @ParameterizedTest
+  @MethodSource("provideLocalDPDataset")
+  void ldPlanInit_shouldBeSuccessful(LocalDay day, Instant start, Instant end) {
+    LocalDayPlan plan = new LocalDayPlanImpl(day, start, end);
+    assertThat(plan).isNotNull();
+  }
+
+  @ParameterizedTest
+  @MethodSource("provideLocalDPDataset")
+  void ldPlanGetters_shouldReturnSetValues(LocalDay day, Instant start, Instant end) {
+    LocalDayPlan plan = new LocalDayPlanImpl(day, start, end);
+
+    assertThat(plan.day()).isEqualTo(day);
+    assertThat(plan.startOfDay()).isEqualTo(start);
+    assertThat(plan.endOfDay()).isEqualTo(end);
+  }
+
+}