X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=sparkybe-onap-service%2Fsrc%2Ftest%2Fjava%2Forg%2Fonap%2Faai%2Fsparky%2Futil%2FErrorUtilTest.java;fp=sparkybe-onap-service%2Fsrc%2Ftest%2Fjava%2Forg%2Fonap%2Faai%2Fsparky%2Futil%2FErrorUtilTest.java;h=5ab7029b54f4bb4569d83091379734d8d337d545;hb=3aadc4547b62d205b488ece3d8d7c01e1d906a5a;hp=0000000000000000000000000000000000000000;hpb=4b7b80bef8eb432fbcd82489fcd13263a3a26a8e;p=aai%2Fsparky-be.git

diff --git a/sparkybe-onap-service/src/test/java/org/onap/aai/sparky/util/ErrorUtilTest.java b/sparkybe-onap-service/src/test/java/org/onap/aai/sparky/util/ErrorUtilTest.java
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+++ b/sparkybe-onap-service/src/test/java/org/onap/aai/sparky/util/ErrorUtilTest.java
@@ -0,0 +1,66 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2019 Nokia Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.sparky.util;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ErrorUtilTest {
+
+    private StackTraceElement[] stackTraceElements = new StackTraceElement[]{
+            new StackTraceElement("TestClass", "methodA", "a", 2),
+            new StackTraceElement("TestClass", "methodB", "b", 3)
+    };
+
+    @Mock
+    Exception exception;
+
+    @Test
+    public void shouldReturnEmptyStringWhenStackTraceArrayIsEmpty() {
+        assertEquals("", ErrorUtil.extractStackTraceElements(1, exception));
+    }
+
+    @Test
+    public void shouldReturnNarrowedStackTraceElementsAsFormattedStringToPassedMaxNumberOfElements() {
+        // given
+        when(exception.getStackTrace()).thenReturn(stackTraceElements);
+        // when
+        final String actual = ErrorUtil.extractStackTraceElements(1, exception);
+        // then
+        assertEquals("TestClass.methodA(a:2)\n", actual);
+    }
+
+    @Test
+    public void shouldReturnFullStackTraceElementsAsFormattedStringWhenMaxNumberOfElementsIsOutOfRange() {
+        // given
+        when(exception.getStackTrace()).thenReturn(stackTraceElements);
+        // when
+        final String actual = ErrorUtil.extractStackTraceElements(5, exception);
+        // then
+        assertEquals("TestClass.methodA(a:2)\nTestClass.methodB(b:3)\n", actual);
+    }
+
+}