Add unit tests for MutableHttpServletRequest

Issue-ID: SDC-2327
Signed-off-by: Marcin Kowalski <m.kowalski3@partner.samsung.com>
Change-Id: Ic6e68ff3bc10eefa9143a5c7fcac9dcb91d384af

diff --git a/common-app-api/src/test/java/org/openecomp/sdc/common/impl/MutableHttpServletRequestTest.java b/common-app-api/src/test/java/org/openecomp/sdc/common/impl/MutableHttpServletRequestTest.java
new file mode 100644 (file)
index 0000000..20a58f2
--- /dev/null
+++ b/common-app-api/src/test/java/org/openecomp/sdc/common/impl/MutableHttpServletRequestTest.java
@@ -0,0 +1,75 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2019 Samsung. 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.openecomp.sdc.common.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.when;
+
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Set;
+import javax.servlet.http.HttpServletRequest;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+@RunWith(MockitoJUnitRunner.class)
+public class MutableHttpServletRequestTest {
+
+    @Mock
+    private HttpServletRequest servletRequest;
+    private MutableHttpServletRequest mutableHttpServletRequest;
+    private static final String HOST = "Host";
+    private static final String HOST_LOWERCASE = "host";
+    private static final String WRAPPED_VALUE= "wrappedValue";
+    private static final String NOT_EXISTS_KEY= "notExistsKey";
+
+    @Before
+    public void setup() {
+        mutableHttpServletRequest = new MutableHttpServletRequest(servletRequest);
+        mutableHttpServletRequest.putHeader(HOST_LOWERCASE, HOST);
+    }
+
+    @Test
+    public void testGetHeader() {
+        //given
+        when(servletRequest.getHeader(NOT_EXISTS_KEY)).thenReturn(WRAPPED_VALUE);
+        //when
+        String customHeaderValue = mutableHttpServletRequest.getHeader(HOST_LOWERCASE);
+        String wrappedHeaderValue = mutableHttpServletRequest.getHeader(NOT_EXISTS_KEY);
+        //then
+        assertEquals(customHeaderValue, HOST);
+        assertEquals(wrappedHeaderValue, WRAPPED_VALUE);
+    }
+
+    @Test
+    public void testGetHeaderNames() {
+        Set<String> set = new HashSet<>();
+        when(servletRequest.getHeaderNames()).thenReturn(Collections.enumeration(set));
+        Enumeration<String> headerNames = mutableHttpServletRequest.getHeaderNames();
+        //then
+        assertEquals(headerNames.nextElement(), HOST_LOWERCASE);
+    }
+}