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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 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.clamp.clds.sdc.controller.installer;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.json.JSONObject;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.clamp.clds.util.ResourceFileUtil;
import org.yaml.snakeyaml.Yaml;
public class BlueprintParserTest {
private static final Gson GSON = new Gson();
private static final String FIRST_APPP = "first_app";
private static final String SECOND_APPP = "second_app";
private static final String THIRD_APPP = "third_app";
private static final String MODEL_TYPE1 = "type1";
private static final String MODEL_TYPE2 = "type2";
private static final String MODEL_TYPE3 = "type3";
private static String microServiceTheWholeBlueprintValid;
private static String microServiceBlueprintOldStyleTCA;
private static String microServiceBlueprintOldStyleHolmes;
private static JsonObject jsonObjectBlueprintValid;
private static JsonObject jsonObjectBlueprintWithoutName;
private static JsonObject jsonObjectBlueprintWithoutProperties;
private static JsonObject jsonObjectBlueprintWithoutRelationships;
@BeforeClass
public static void loadBlueprints() throws IOException {
microServiceTheWholeBlueprintValid = ResourceFileUtil
.getResourceAsString("clds/blueprint-with-microservice-chain.yaml");
microServiceBlueprintOldStyleTCA = ResourceFileUtil.getResourceAsString("clds/tca-old-style-ms.yaml");
microServiceBlueprintOldStyleHolmes = ResourceFileUtil.getResourceAsString("clds/holmes-old-style-ms.yaml");
String microServiceBlueprintValid = ResourceFileUtil
.getResourceAsString("clds/single-microservice-fragment-valid.yaml");
String microServiceBlueprintWithoutName = ResourceFileUtil
.getResourceAsString("clds/single-microservice-fragment-without-name.yaml");
String microServiceBlueprintWithoutProperties = ResourceFileUtil
.getResourceAsString("clds/single-microservice-fragment-without-properties.yaml");
String microServiceBlueprintWithoutRelationships = ResourceFileUtil
.getResourceAsString("clds/single-microservice-fragment-without-relationships.yaml");
jsonObjectBlueprintValid = yamlToJson(microServiceBlueprintValid);
jsonObjectBlueprintWithoutName = yamlToJson(microServiceBlueprintWithoutName);
jsonObjectBlueprintWithoutProperties = yamlToJson(microServiceBlueprintWithoutProperties);
jsonObjectBlueprintWithoutRelationships = yamlToJson(microServiceBlueprintWithoutRelationships);
}
@Test
public void getNameShouldReturnDefinedName() {
final JsonObject jsonObject = jsonObjectBlueprintValid;
String expectedName = jsonObject.get(jsonObject.keySet().iterator().next()).getAsJsonObject().get("properties")
.getAsJsonObject().get("name").getAsString();
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
String actualName = new BlueprintParser().getName(entry);
Assert.assertEquals(expectedName, actualName);
}
@Test
public void getNameShouldReturnServiceNameWhenNoNameDefined() {
final JsonObject jsonObject = jsonObjectBlueprintWithoutName;
String expectedName = jsonObject.keySet().iterator().next();
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
String actualName = new BlueprintParser().getName(entry);
Assert.assertEquals(expectedName, actualName);
}
@Test
public void getNameShouldReturnServiceNameWhenNoPropertiesDefined() {
final JsonObject jsonObject = jsonObjectBlueprintWithoutProperties;
String expectedName = jsonObject.keySet().iterator().next();
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
String actualName = new BlueprintParser().getName(entry);
Assert.assertEquals(expectedName, actualName);
}
@Test
public void getInputShouldReturnInputWhenPresent() {
final JsonObject jsonObject = jsonObjectBlueprintValid;
String expected = FIRST_APPP;
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
String actual = new BlueprintParser().getInput(entry);
Assert.assertEquals(expected, actual);
}
@Test
public void getInputShouldReturnEmptyStringWhenAbsent() {
final JsonObject jsonObject = jsonObjectBlueprintWithoutRelationships;
String expected = "";
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
String actual = new BlueprintParser().getInput(entry);
Assert.assertEquals(expected, actual);
}
@Test
public void getNodeRepresentationFromCompleteYaml() {
final JsonObject jsonObject = jsonObjectBlueprintValid;
MicroService expected = new MicroService(SECOND_APPP, MODEL_TYPE1, FIRST_APPP, "", SECOND_APPP);
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
MicroService actual = new BlueprintParser().getNodeRepresentation(entry);
Assert.assertEquals(expected, actual);
}
@Test
public void getMicroServicesFromBlueprintTest() {
MicroService thirdApp = new MicroService(THIRD_APPP, MODEL_TYPE3, "", "", THIRD_APPP);
MicroService firstApp = new MicroService(FIRST_APPP, MODEL_TYPE1, THIRD_APPP, "", FIRST_APPP);
MicroService secondApp = new MicroService(SECOND_APPP, MODEL_TYPE2, FIRST_APPP, "", SECOND_APPP);
Set<MicroService> expected = new HashSet<>(Arrays.asList(firstApp, secondApp, thirdApp));
Set<MicroService> actual = new BlueprintParser().getMicroServices(microServiceTheWholeBlueprintValid);
Assert.assertEquals(expected, actual);
}
@Test
public void fallBackToOneMicroServiceTCATest() {
MicroService tcaMS = new MicroService(BlueprintParser.TCA, "onap.policy.monitoring.cdap.tca.hi.lo.app", "", "",
"");
List<MicroService> expected = Collections.singletonList(tcaMS);
List<MicroService> actual = new BlueprintParser().fallbackToOneMicroService(microServiceBlueprintOldStyleTCA);
Assert.assertEquals(expected, actual);
}
@Test
public void fallBackToOneMicroServiceHolmesTest() {
MicroService holmesMS = new MicroService(BlueprintParser.HOLMES, "onap.policy.monitoring.cdap.tca.hi.lo.app",
"", "", "");
List<MicroService> expected = Collections.singletonList(holmesMS);
List<MicroService> actual = new BlueprintParser()
.fallbackToOneMicroService(microServiceBlueprintOldStyleHolmes);
Assert.assertEquals(expected, actual);
}
private static JsonObject yamlToJson(String yamlString) {
Yaml yaml = new Yaml();
Map<String, Object> map = yaml.load(yamlString);
JSONObject jsonObject = new JSONObject(map);
return GSON.fromJson(jsonObject.toString(), JsonObject.class);
}
}
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