added clock service module

quarkus-clock-service/src/test/java/ch/phoenixtechnologies/quarkus/commons/clock/ClockProducerTest.java

@@ -0,0 +1,24 @@
+package ch.phoenixtechnologies.quarkus.commons.clock;
+
+import io.quarkus.test.junit.QuarkusTest;
+import jakarta.inject.Inject;
+import org.junit.jupiter.api.Test;
+
+import java.time.Clock;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
+
+@QuarkusTest
+class ClockProducerTest {
+
+    @Inject
+    Clock clock;
+
+    @Test
+    void produceClock() {
+        assertThat(clock.getZone())
+                .as("Produced clock's zone should match expected value")
+                .isEqualTo(Clock.systemDefaultZone().getZone());
+    }
+}

quarkus-clock-service/src/test/java/ch/phoenixtechnologies/quarkus/commons/clock/ClockServiceImplTest.java

@@ -0,0 +1,43 @@
+package ch.phoenixtechnologies.quarkus.commons.clock;
+
+import io.quarkus.test.InjectMock;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.mockito.InjectSpy;
+import jakarta.inject.Inject;
+import org.junit.jupiter.api.Test;
+
+import java.time.Clock;
+import java.time.Instant;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+@QuarkusTest
+class ClockServiceImplTest {
+
+    @Inject
+    ClockService clockService;
+
+    @InjectMock
+    Clock clock;
+
+    @Test
+    void instant() {
+        var expected = Instant.ofEpochMilli(1729280640915L);
+        when(clock.instant()).thenReturn(expected);
+
+        assertThat(clockService.instant())
+                .as("Instant should match expected value")
+                .isEqualTo(expected);
+    }
+
+    @Test
+    void currentTimeMillis() {
+        var expected = 1729280640915L;
+        when(clock.millis()).thenReturn(expected);
+
+        assertThat(clockService.currentTimeMillis())
+                .as("Instant should match expected value")
+                .isEqualTo(expected);
+    }
+}