Added unit tests for GuardPolicyDelegate

Added more unit tests for some of the Delegate classes
in the clds/client package
to reach the minimum threshold of 65 % coverage

Change-Id: I4f88ce523964f53d948bb0d028a2719604188575
Issue-ID: CLAMP-355
Signed-off-by: Piotr Borelowski <p.borelowski@partner.samsung.com>

diff --git a/src/test/java/org/onap/clamp/clds/client/GuardPolicyDelegateTest.java b/src/test/java/org/onap/clamp/clds/client/GuardPolicyDelegateTest.java
new file mode 100644 (file)
index 0000000..4b21d6f
--- /dev/null
+++ b/src/test/java/org/onap/clamp/clds/client/GuardPolicyDelegateTest.java
@@ -0,0 +1,108 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * 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.onap.clamp.clds.client;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import org.apache.camel.Exchange;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.clamp.clds.client.req.policy.PolicyClient;
+import org.onap.clamp.clds.exception.ModelBpmnException;
+
+@RunWith(MockitoJUnitRunner.class)
+public class GuardPolicyDelegateTest {
+
+    private static final String TEST_KEY = "isTest";
+    private static final String MODEL_BPMN_KEY = "modelBpmnProp";
+    private static final String MODEL_PROP_KEY = "modelProp";
+    private static final String POLICY_ID_FROM_JSON = "{policy:[{id:guard,from:''}]}";
+    private static final String ID_WITH_CHAIN_JSON = "{guard:{q:["
+            + "{name:timeout,value:200},"
+            + "{policyConfigurations:["
+            + "[{name:maxRetries,value:3},"
+            + "{name:retryTimeLimit,value:800},"
+            + "{name:enableGuardPolicy,value:on}]]}]}}";
+    private static final String SIMPLE_JSON = "{}";
+    private static final String NOT_JSON = "not json";
+
+    @Mock
+    private Exchange exchange;
+
+    @Mock
+    private PolicyClient policyClient;
+
+    @InjectMocks
+    private GuardPolicyDelegate guardPolicyDelegate;
+
+    @Test
+    public void shouldExecuteSuccessfully() {
+        // given
+        when(exchange.getProperty(eq(TEST_KEY))).thenReturn(false);
+        when(exchange.getProperty(eq(MODEL_BPMN_KEY))).thenReturn(POLICY_ID_FROM_JSON);
+        when(exchange.getProperty(eq(MODEL_PROP_KEY))).thenReturn(ID_WITH_CHAIN_JSON);
+
+        // when
+        guardPolicyDelegate.execute(exchange);
+
+        // then
+        verify(policyClient).sendGuardPolicy(any(), any(), any(), any());
+    }
+
+    @Test
+    public void shouldExecutePolicyNotFound() {
+        // given
+        when(exchange.getProperty(eq(TEST_KEY))).thenReturn(false);
+        when(exchange.getProperty(eq(MODEL_BPMN_KEY))).thenReturn(SIMPLE_JSON);
+        when(exchange.getProperty(eq(MODEL_PROP_KEY))).thenReturn(SIMPLE_JSON);
+
+        // when
+        guardPolicyDelegate.execute(exchange);
+
+        // then
+        verify(policyClient, never()).sendGuardPolicy(any(), any(), any(), any());
+    }
+
+    @Test(expected = ModelBpmnException.class)
+    public void shouldThrowModelBpmnException() {
+        // given
+        when(exchange.getProperty(eq(TEST_KEY))).thenReturn(true);
+        when(exchange.getProperty(eq(MODEL_BPMN_KEY))).thenReturn(NOT_JSON);
+
+        // when
+        guardPolicyDelegate.execute(exchange);
+    }
+
+    @Test(expected = NullPointerException.class)
+    public void shouldThrowNullPointerException() {
+        // when
+        guardPolicyDelegate.execute(exchange);
+    }
+}