X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FSumBusinessLogicTest.java;h=e65ee83939c2532c10404ae6bc211506b7a69909;hb=5592437b9ad0caa7c9dd28b6248cc786fae625d3;hp=ff9fdd08e2b0302e47735d623f6897ef095520f2;hpb=614ab1f07d1cae49c06b8bcbd6132e0aa5827246;p=demos%2Fkafka%2Ftraining

diff --git a/src/test/java/de/juplo/kafka/SumBusinessLogicTest.java b/src/test/java/de/juplo/kafka/SumBusinessLogicTest.java
index ff9fdd0..e65ee83 100644
--- a/src/test/java/de/juplo/kafka/SumBusinessLogicTest.java
+++ b/src/test/java/de/juplo/kafka/SumBusinessLogicTest.java
@@ -41,4 +41,39 @@ public class SumBusinessLogicTest
     sumBusinessLogic.startSum("foo");
     assertThat(sumBusinessLogic.getSum("foo")).isNotEmpty();
   }
+
+  @Test
+  @DisplayName("A sum can be ended, if it does exist")
+  public void testCanEndIfSumExists()
+  {
+    SumBusinessLogic sumBusinessLogic = new SumBusinessLogic();
+    sumBusinessLogic.startSum("foo");
+    assertThatNoException().isThrownBy(() -> sumBusinessLogic.endSum("foo"));
+  }
+
+  @Test
+  @DisplayName("An existing Sum returns a non-null value, if ended")
+  public void testEndSumReturnsNonNullValueIfSumExists()
+  {
+    SumBusinessLogic sumBusinessLogic = new SumBusinessLogic();
+    sumBusinessLogic.startSum("foo");
+    assertThat(sumBusinessLogic.endSum("foo")).isNotNull();
+  }
+
+  @Test
+  @DisplayName("An existing Sum returns a non-negative value, if ended")
+  public void testEndSumReturnsNonNegativeValueIfSumExists()
+  {
+    SumBusinessLogic sumBusinessLogic = new SumBusinessLogic();
+    sumBusinessLogic.startSum("foo");
+    assertThat(sumBusinessLogic.endSum("foo")).isNotNegative();
+  }
+
+  @Test
+  @DisplayName("Ending a non-existing sum, causes an IllegalStateException")
+  public void testEndSumCausesExceptionIfNotExists()
+  {
+    SumBusinessLogic sumBusinessLogic = new SumBusinessLogic();
+    assertThatIllegalStateException().isThrownBy(() -> sumBusinessLogic.endSum("foo"));
+  }
 }