Added example for throwing exception

AktienTraum · AktienTraum · commit 2cf0eae8023e · 2016-02-12T14:19:53.000+01:00
diff --git a/src/main/java/com/codecentric/sample/store/service/ItemService.java b/src/main/java/com/codecentric/sample/store/service/ItemService.java
@@ -6,6 +6,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.io.IOException;
 import java.util.List;
 
 @Service
@@ -25,4 +26,19 @@ public int getAveragePriceForAllItems() {
 
         return (sumOfPrices / items.size()) * StaticService.getMultiplicator();
     }
+
+    public String readItemDescription(String fileName) {
+
+        String ret = "";
+
+        try {
+            ret = StaticService.readFile(fileName);
+        } catch (IOException e) {
+            // Do some logging and proceed
+        }
+
+        return ret;
+    }
+
+
 }
diff --git a/src/main/java/com/codecentric/sample/store/service/tools/StaticService.java b/src/main/java/com/codecentric/sample/store/service/tools/StaticService.java
@@ -1,10 +1,17 @@
 package com.codecentric.sample.store.service.tools;
 
+import java.io.IOException;
 
 public class StaticService {
 
 
     public static int getMultiplicator() {
         return 10;
     }
+
+    public static String readFile(String fileName) throws IOException {
+
+        // Read file here
+        return "file content";
+    }
 }
diff --git a/src/test/java/com/codecentric/sample/store/service/ItemServiceTest.java b/src/test/java/com/codecentric/sample/store/service/ItemServiceTest.java
@@ -13,9 +13,11 @@
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertThat;
 import static org.mockito.Mockito.times;
@@ -57,4 +59,34 @@ public void calculationOfAveragePriceForAllItems() {
 
         assertThat(averagePriceForAllItems, is(2000*5));
     }
+
+    @Test
+    public void readItemDescriptionWithoutIOException() throws IOException {
+
+        String fileName = "DummyName";
+
+        mockStatic(StaticService.class);
+        when(StaticService.readFile(fileName)).thenReturn("Dummy");
+
+        String value = itemService.readItemDescription(fileName);
+
+        verifyStatic();
+
+        assertThat(value, equalTo("Dummy"));
+    }
+
+    @Test
+    public void readItemDescriptionWithIOException() throws IOException {
+
+        String fileName = "DummyName";
+
+        mockStatic(StaticService.class);
+        when(StaticService.readFile(fileName)).thenThrow(IOException.class);
+
+        String value = itemService.readItemDescription(fileName);
+
+        verifyStatic();
+
+        assertThat(value, equalTo(""));
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -1,10 +1,17 @@`
`1`	`1`	`package com.codecentric.sample.store.service.tools;`
`2`	`2`
	`3`	`+import java.io.IOException;`
`3`	`4`
`4`	`5`	`public class StaticService {`
`5`	`6`
`6`	`7`
`7`	`8`	`public static int getMultiplicator() {`
`8`	`9`	`return 10;`
`9`	`10`	`}`
	`11`	`+`
	`12`	`+ public static String readFile(String fileName) throws IOException {`
	`13`	`+`
	`14`	`+ // Read file here`
	`15`	`+ return "file content";`
	`16`	`+ }`
`10`	`17`	`}`