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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T 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.so.client.aai;

import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.delete;
import static com.github.tomakehurst.wiremock.client.WireMock.equalTo;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.post;
import static com.github.tomakehurst.wiremock.client.WireMock.put;
import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo;
import static com.github.tomakehurst.wiremock.core.WireMockConfiguration.wireMockConfig;
import static com.shazam.shazamcrest.matcher.Matchers.sameBeanAs;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.doReturn;

import javax.ws.rs.BadRequestException;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Spy;
import org.mockito.junit.MockitoJUnitRunner;
import org.onap.aai.domain.yang.Relationship;
import org.onap.so.client.aai.entities.AAIEdgeLabel;
import org.onap.so.client.aai.entities.AAIResultWrapper;
import org.onap.so.client.aai.entities.uri.AAIResourceUri;
import org.onap.so.client.aai.entities.uri.AAIUriFactory;
import org.onap.so.client.defaultproperties.DefaultAAIPropertiesImpl;

import com.github.tomakehurst.wiremock.admin.NotFoundException;
import com.github.tomakehurst.wiremock.junit.WireMockRule;

@RunWith(MockitoJUnitRunner.class)
public class AAIResourcesClientTest {


	@Rule
	public WireMockRule wireMockRule = new WireMockRule(wireMockConfig().dynamicPort());
	
	@Rule
	public ExpectedException thrown = ExpectedException.none();
	
	
	@Spy
	public AAIClient client;
	
	@InjectMocks
	public AAIResourcesClient aaiClient = new AAIResourcesClient();
	
	private String AAI_JSON_FILE_LOCATION = "src/test/resources/__files/aai/query/";

	@Before
	public void beforeTest() {
		doReturn(new DefaultAAIPropertiesImpl(wireMockRule.port())).when(client).getRestProperties();
	}
	
	@Test
	public void verifyNotExists() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test");
		wireMockRule.stubFor(get(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "text/plain")
					.withBody("hello")
					.withStatus(404)));
		AAIResourcesClient client= aaiClient;
		boolean result = client.exists(path);
		assertEquals("path not found", false, result);
	}
	
	@Test
	public void verifyDelete() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test2");
		wireMockRule.stubFor(get(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "application/json")
					.withBodyFile("aai/resources/mockObject.json")
					.withStatus(200)));
		wireMockRule.stubFor(delete(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.withQueryParam("resource-version", equalTo("1234"))
				.willReturn(
					aResponse()
					.withStatus(204)));
		AAIResourcesClient client= aaiClient;
		client.delete(path);
	}
	
	@Test
	public void verifyBasicAuth() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test3");
		wireMockRule.stubFor(get(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build().toString()))
				.withHeader("Authorization", equalTo("Basic dGVzdDp0ZXN0"))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "application/json")
					.withBodyFile("aai/resources/mockObject.json")
					.withStatus(200)));
		AAIResourcesClient client= aaiClient;
		client.get(path);
	}
	
	@Test
	public void verifyConnect() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test2");
		AAIResourceUri path2 = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test3");
		wireMockRule.stubFor(put(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build() + "/relationship-list/relationship"))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "application/json")
					.withStatus(200)));
		
		AAIResourceUri pathClone = path.clone();
		AAIResourcesClient client= aaiClient;
		client.connect(path, path2);
		assertEquals("uri not modified", pathClone.build().toString(), path.build().toString());
	}
	
	@Test
	public void verifyDisconnect() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test2");
		AAIResourceUri path2 = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test3");
		
		wireMockRule.stubFor(delete(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build() + "/relationship-list/relationship"))
				.willReturn(
					aResponse()
					.withStatus(204)));
		
		AAIResourceUri pathClone = path.clone();
		AAIResourcesClient client= aaiClient;
		client.disconnect(path, path2);
		assertEquals("uri not modified", pathClone.build().toString(), path.build().toString());
	}
	
	@Test
	public void verifyPatch() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test2");
		
		wireMockRule.stubFor(post(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.willReturn(
					aResponse()
					.withStatus(200)));
		
		AAIResourcesClient client= aaiClient;

		client.update(path, "{}");
	}
	
	@Test
	public void verifyNotExistsGet() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test");
		wireMockRule.stubFor(get(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "text/plain")
					.withBody("hello")
					.withStatus(404)));
		AAIResourcesClient client= aaiClient;
		AAIResultWrapper result = client.get(path);
		assertEquals("is empty", true, result.isEmpty());
	}
	
	@Test
	public void verifyNotExistsGetException() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test");
		wireMockRule.stubFor(get(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "text/plain")
					.withBody("hello")
					.withStatus(404)));
		AAIResourcesClient client= aaiClient;
		thrown.expect(NotFoundException.class);
		thrown.expectMessage(containsString(path.build() + " not found in A&AI"));
		AAIResultWrapper result = client.get(path, NotFoundException.class);
	}
	
	@Test
	public void verifyFailedCallException() {
		AAIResourceUri path = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test");
		wireMockRule.stubFor(get(
				urlPathEqualTo("/aai/" + AAIVersion.LATEST + path.build()))
				.willReturn(
					aResponse()
					.withHeader("Content-Type", "text/plain")
					.withBodyFile("aai/error-message.json")
					.withStatus(400)));
		AAIResourcesClient client= aaiClient;
		
		thrown.expect(BadRequestException.class);
		thrown.expectMessage(containsString("Invalid input performing PUT on url (msg=Precondition Required:resource-version not passed for update of url"));
		AAIResultWrapper result = client.get(path);
	}
	
	@Test
	public void buildRelationshipTest() {
		AAIResourcesClient client = aaiClient;
		AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.GENERIC_VNF, "test");
		Relationship relationship = new Relationship();
		relationship.setRelatedLink(uri.build().toString());
		Relationship actual = client.buildRelationship(uri);
		assertThat("expect equal no label", actual, sameBeanAs(relationship));
		
		relationship.setRelationshipLabel(AAIEdgeLabel.USES.toString());
		actual = client.buildRelationship(uri, AAIEdgeLabel.USES);
		assertThat("expect equal has label", actual, sameBeanAs(relationship));
		
	}

}