ControllerUtils tests and improvements

- added junits
- Injecting SystemPropertiesWrapper via constructor
- switched extractUserId is now instance method instead
of static

Change-Id: Ic706b780c64248e44207a1dee723981a4ca7ed74
Issue-ID: VID-449
Signed-off-by: Michal Kabaj <michal.kabaj@nokia.com>

1 files changed, 113 insertions, 0 deletions

diff --git a/vid-app-common/src/test/java/org/onap/vid/controller/ControllersUtilsTest.java b/vid-app-common/src/test/java/org/onap/vid/controller/ControllersUtilsTest.java
new file mode 100644
index 000000000..f084b3dec
--- /dev/null
+++ b/vid-app-common/src/test/java/org/onap/vid/controller/ControllersUtilsTest.java
@@ -0,0 +1,113 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * VID
+ * ================================================================================
+ * Copyright (C) 2019 Nokia.
+ * ================================================================================
+ * 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.vid.controller;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
+
+import javax.servlet.http.HttpServletRequest;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.onap.portalsdk.core.domain.User;
+import org.onap.portalsdk.core.util.SystemProperties;
+import org.onap.vid.utils.SystemPropertiesWrapper;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ControllersUtilsTest {
+
+    private static final String USER_ATTRIBUTE = "userAttribute";
+    @Mock
+    private SystemPropertiesWrapper systemPropertiesWrapper;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private HttpServletRequest httpServletRequest;
+
+    @Test
+    public void shouldExtractLoginIdAsUserId_fromHttpServletRequest() {
+        // GIVEN
+        String expectedUserId = "rootUser";
+        given(systemPropertiesWrapper.getProperty(SystemProperties.USER_ATTRIBUTE_NAME)).willReturn(USER_ATTRIBUTE);
+        User user = new User();
+        user.setLoginId(expectedUserId);
+        given(httpServletRequest.getSession().getAttribute(USER_ATTRIBUTE)).willReturn(user);
+
+        // WHEN
+        String loginId = new ControllersUtils(systemPropertiesWrapper).extractUserId(httpServletRequest);
+
+        // THEN
+        assertThat(loginId).isEqualTo(expectedUserId);
+    }
+
+    @Test
+    public void shouldExtractOrgUserIdAsUserId_fromHttpServletRequest_whenLoginIdIsNull() {
+        // GIVEN
+        String expectedUserId = "secondUser";
+        given(systemPropertiesWrapper.getProperty(SystemProperties.USER_ATTRIBUTE_NAME)).willReturn(USER_ATTRIBUTE);
+        User user = new User();
+        user.setOrgUserId(expectedUserId);
+        given(httpServletRequest.getSession().getAttribute(USER_ATTRIBUTE)).willReturn(user);
+
+        // WHEN
+        String loginId = new ControllersUtils(systemPropertiesWrapper).extractUserId(httpServletRequest);
+
+        // THEN
+        assertThat(loginId).isEqualTo(expectedUserId);
+    }
+
+    @Test
+    public void shouldReturnEmptyString_whenBothLoginIdAndOrgUserIdAreNull() {
+        // GIVEN
+        given(systemPropertiesWrapper.getProperty(SystemProperties.USER_ATTRIBUTE_NAME)).willReturn(USER_ATTRIBUTE);
+        given(httpServletRequest.getSession().getAttribute(USER_ATTRIBUTE)).willReturn(new User());
+
+        // WHEN
+        String loginId = new ControllersUtils(systemPropertiesWrapper).extractUserId(httpServletRequest);
+
+        // THEN
+        assertThat(loginId).isEmpty();
+    }
+
+    @Test
+    public void shouldReturnEmptyString_whenSessionIsNull() {
+        // GIVEN
+        given(httpServletRequest.getSession()).willReturn(null);
+
+        // WHEN
+        String loginId = new ControllersUtils(systemPropertiesWrapper).extractUserId(httpServletRequest);
+
+        // THEN
+        assertThat(loginId).isEmpty();
+    }
+
+    @Test
+    public void shouldReturnEmptyString_whenUserIsNull() {
+        // GIVEN
+        given(systemPropertiesWrapper.getProperty(SystemProperties.USER_ATTRIBUTE_NAME)).willReturn(USER_ATTRIBUTE);
+        given(httpServletRequest.getSession().getAttribute(USER_ATTRIBUTE)).willReturn(null);
+
+        // WHEN
+        String loginId = new ControllersUtils(systemPropertiesWrapper).extractUserId(httpServletRequest);
+
+        // THEN
+        assertThat(loginId).isEmpty();
+    }
+}
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