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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2019 Nokia Intellectual Property. All rights
* reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.policy.clamp.clds.sdc.controller.installer;
import static org.assertj.core.api.Assertions.assertThat;
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.policy.clamp.clds.exception.sdc.controller.BlueprintParserException;
import org.onap.policy.clamp.clds.util.ResourceFileUtils;
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_TYPE_TCA = "onap.policies.monitoring.cdap.tca.hi.lo.app";
private static final String VERSION = "1.0.0";
private static String microServiceTheWholeBlueprintValid;
private static String newMicroServiceBlueprint;
private static JsonObject jsonObjectBlueprintInvalid;
private static JsonObject jsonObjectBlueprintWithoutName;
private static JsonObject jsonObjectBlueprintWithoutProperties;
private static JsonObject jsonObjectBlueprintWithoutRelationships;
private static JsonObject jsonObjectBlueprintValidWithVersion;
/**
* Method to load Blueprints before all test.
*
* @throws IOException In case of issues when opening the files
*/
@BeforeClass
public static void loadBlueprints() throws IOException {
microServiceTheWholeBlueprintValid = ResourceFileUtils
.getResourceAsString("clds/blueprint-with-microservice-chain.yaml");
newMicroServiceBlueprint = ResourceFileUtils.getResourceAsString("clds/new-microservice.yaml");
String microServiceBlueprintInvalid = ResourceFileUtils
.getResourceAsString("clds/single-microservice-fragment-invalid.yaml");
jsonObjectBlueprintInvalid = yamlToJson(microServiceBlueprintInvalid);
String microServiceBlueprintWithoutName = ResourceFileUtils
.getResourceAsString("clds/single-microservice-fragment-without-name.yaml");
jsonObjectBlueprintWithoutName = yamlToJson(microServiceBlueprintWithoutName);
String microServiceBlueprintWithoutProperties = ResourceFileUtils
.getResourceAsString("clds/single-microservice-fragment-without-properties.yaml");
jsonObjectBlueprintWithoutProperties = yamlToJson(microServiceBlueprintWithoutProperties);
String microServiceBlueprintValidWithVersion = ResourceFileUtils
.getResourceAsString("clds/single-microservice-fragment-valid-with-version.yaml");
jsonObjectBlueprintValidWithVersion = yamlToJson(microServiceBlueprintValidWithVersion);
String microServiceBlueprintWithoutRelationships = ResourceFileUtils
.getResourceAsString("clds/single-microservice-fragment-without-relationships.yaml");
jsonObjectBlueprintWithoutRelationships = yamlToJson(microServiceBlueprintWithoutRelationships);
}
@Test
public void getNameShouldReturnDefinedName() {
final JsonObject jsonObject = jsonObjectBlueprintInvalid;
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 = 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 = 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 = BlueprintParser.getName(entry);
Assert.assertEquals(expectedName, actualName);
}
@Test
public void getInputShouldReturnInputWhenPresent() {
final JsonObject jsonObject = jsonObjectBlueprintInvalid;
String expected = FIRST_APPP;
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
String actual = 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 = BlueprintParser.getInput(entry);
Assert.assertEquals(expected, actual);
}
@Test(expected = BlueprintParserException.class)
public void getNodeRepresentationFromIncompleteYaml() throws BlueprintParserException {
BlueprintParser.getNodeRepresentation(jsonObjectBlueprintInvalid.entrySet().iterator().next(),
jsonObjectBlueprintInvalid, null);
}
@Test
public void getNodeRepresentationFromCompleteYamlWithModelVersion() throws BlueprintParserException {
final JsonObject jsonObject = jsonObjectBlueprintValidWithVersion;
BlueprintMicroService expected = new BlueprintMicroService(SECOND_APPP, MODEL_TYPE1, "", "10.0.0");
Entry<String, JsonElement> entry = jsonObject.entrySet().iterator().next();
BlueprintMicroService actual = BlueprintParser.getNodeRepresentation(entry, jsonObject, null);
Assert.assertEquals(expected, actual);
}
@Test
public void getMicroServicesFromBlueprintTest() throws BlueprintParserException {
BlueprintMicroService thirdApp = new BlueprintMicroService(THIRD_APPP, MODEL_TYPE_TCA, SECOND_APPP, VERSION);
BlueprintMicroService firstApp = new BlueprintMicroService(FIRST_APPP, MODEL_TYPE_TCA, "", VERSION);
BlueprintMicroService secondApp = new BlueprintMicroService(SECOND_APPP, MODEL_TYPE_TCA, FIRST_APPP, VERSION);
Set<BlueprintMicroService> expected = new HashSet<>(Arrays.asList(firstApp, secondApp, thirdApp));
Set<BlueprintMicroService> actual = BlueprintParser.getMicroServices(microServiceTheWholeBlueprintValid);
Assert.assertEquals(expected, actual);
}
@Test
public void fallBackToOneMicroServiceTcaTest() {
BlueprintMicroService tcaMs = new BlueprintMicroService(BlueprintParser.TCA,
"onap.policies.monitoring.cdap.tca.hi.lo.app", "", VERSION);
List<BlueprintMicroService> expected = Collections.singletonList(tcaMs);
List<BlueprintMicroService> actual = BlueprintParser.fallbackToOneMicroService();
Assert.assertEquals(expected, actual);
}
@Test
public void newMicroServiceTest() throws BlueprintParserException {
List<BlueprintMicroService> microServicesChain = new ChainGenerator()
.getChainOfMicroServices(BlueprintParser.getMicroServices(newMicroServiceBlueprint));
if (microServicesChain.isEmpty()) {
microServicesChain = BlueprintParser.fallbackToOneMicroService();
}
assertThat(microServicesChain.size()).isEqualTo(1);
assertThat(microServicesChain.get(0).getName()).isEqualTo("pmsh");
}
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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