iluwatar#467 data-bus: members: StatusMemberTest: added

Author: kemitix

data-bus/src/test/java/com/iluwatar/databus/members/StatusMemberTest.java

@@ -0,0 +1,57 @@
+package com.iluwatar.databus.members;
+
+import com.iluwatar.databus.DataBus;
+import com.iluwatar.databus.data.MessageData;
+import com.iluwatar.databus.data.StartingData;
+import com.iluwatar.databus.data.StoppingData;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.time.LocalDateTime;
+import java.time.Month;
+
+/**
+ * Tests for {@link StatusMember}.
+ *
+ * @author Paul Campbell (pcampbell@kemitix.net)
+ */
+public class StatusMemberTest {
+
+  @Test
+  public void statusRecordsTheStartTime() {
+    //given
+    final LocalDateTime startTime = LocalDateTime.of(2017, Month.APRIL, 1, 19, 9);
+    final StartingData startingData = new StartingData(startTime);
+    final StatusMember statusMember = new StatusMember(1);
+    //when
+    statusMember.accept(startingData);
+    //then
+    Assert.assertEquals(startTime, statusMember.getStarted());
+  }
+
+  @Test
+  public void statusRecordsTheStopTime() {
+    //given
+    final LocalDateTime stop = LocalDateTime.of(2017, Month.APRIL, 1, 19, 12);
+    final StoppingData stoppingData = new StoppingData(stop);
+    stoppingData.setDataBus(DataBus.getInstance());
+    final StatusMember statusMember = new StatusMember(1);
+    //when
+    statusMember.accept(stoppingData);
+    //then
+    Assert.assertEquals(stop, statusMember.getStopped());
+  }
+
+  @Test
+  public void statusIgnoresMessageData() {
+    //given
+    final MessageData messageData = new MessageData("message");
+    final StatusMember statusMember = new StatusMember(1);
+    //when
+    statusMember.accept(messageData);
+    //then
+    Assert.assertNull(statusMember.getStarted());
+    Assert.assertNull(statusMember.getStopped());
+  }
+
+}