1 files changed, 63 insertions, 0 deletions
diff --git a/src/test/java/org/onap/dcae/controller/ConfigLoaderTest.java b/src/test/java/org/onap/dcae/controller/ConfigLoaderTest.java
new file mode 100644
index 0000000..6e37d7a
--- /dev/null
+++ b/src/test/java/org/onap/dcae/controller/ConfigLoaderTest.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.restconfcollector
+ * ================================================================================
+ * Copyright (C) 2022 Huawei. 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.dcae.controller;
+
+import org.json.JSONObject;
+import org.junit.Test;
+import org.onap.dcae.WiremockBasedTest;
+import org.onap.dcae.common.publishing.EventPublisher;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import static io.vavr.API.Map;
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Mockito.mock;
+import static org.onap.dcae.TestingUtilities.createTemporaryFile;
+import static org.onap.dcae.TestingUtilities.readJsonFromFile;
+import static org.onap.dcae.common.publishing.VavrUtils.f;
+
+public class ConfigLoaderTest extends WiremockBasedTest {
+    @Test
+    public void shouldNotReconfigureNotOverwriteIfConfigurationHasNotChanged() throws Exception {
+
+            Path dmaapConfigFile = createTemporaryFile("temp_dmaapConfigFile", "{}");
+            Path collectorPropertiesFile = createTemporaryFile("temp_collectorPropertiesFile", "");
+            JSONObject dmaapConf = readJsonFromFile(
+                    Paths.get("src/test/resources/testParseDMaaPCredentialsGen2.json"));
+            stubConsulToReturnLocalAddressOfCbs();
+            stubCbsToReturnAppConfig(f("{\"collector.port\": 8080, \"streams_publishes\": %s}}", dmaapConf));
+            EventPublisher eventPublisherMock = mock(EventPublisher.class);
+            ConfigFilesFacade configFilesFacade = new ConfigFilesFacade(dmaapConfigFile, collectorPropertiesFile);
+            configFilesFacade.writeProperties(Map("collector.port", "8080"));
+            configFilesFacade.writeDMaaPConfiguration(dmaapConf);
+
+            ConfigLoader configLoader = new ConfigLoader(eventPublisherMock::reconfigure,
+                    configFilesFacade, ConfigSource::getAppConfig, () -> wiremockBasedEnvProps());
+
+            // when
+            JSONObject dmaapConf2 = readJsonFromFile(
+                    Paths.get("src/test/resources/testParseDMaaPCredentialsGen2Temp.json"));
+            configFilesFacade.writeDMaaPConfiguration(dmaapConf2);
+            configFilesFacade.writeProperties(Map("collector.port", "8081"));
+            configLoader = configLoader.create(null, dmaapConfigFile,  collectorPropertiesFile );
+            assertNotNull(configLoader);
+    }
+}