services/self-service/src/test/java/com/epam/dlab/backendapi/service/impl/MavenCentralLibraryServiceTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
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package com.epam.dlab.backendapi.service.impl;

import com.epam.dlab.backendapi.domain.MavenSearchArtifactResponse;
import com.epam.dlab.backendapi.resources.dto.LibraryDTO;
import com.epam.dlab.exceptions.DlabException;
import com.epam.dlab.rest.client.RESTService;
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.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import java.net.URI;
import java.util.Collections;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.refEq;
import static org.mockito.Mockito.*;

@RunWith(MockitoJUnitRunner.class)
public class MavenCentralLibraryServiceTest {

	@Mock
	private RESTService client;
	@InjectMocks
	private MavenCentralLibraryService mavenCentralLibraryService;
	@Rule
	public ExpectedException expectedException = ExpectedException.none();

	@Test
	public void getLibraryId() {
		when(client.get(any(URI.class), any())).thenReturn(getMavenResponse());

		final LibraryDTO libDTO = mavenCentralLibraryService.getLibrary("groupId", "artifactId", "version");

		assertNotNull(libDTO);
		assertEquals("groupId:artifactId", libDTO.getName());
		assertEquals("version", libDTO.getVersion());

		verify(client).get(refEq(URI.create("/solrsearch/select?q=a:%22artifactId%22+AND+g" +
						":%22groupId%22+AND+v:%22version%22+AND+(p:%22jar%22%20OR%20p:%22bundle%22)" +
						"&rows=20&wt=json&core=gav&p=jar")),
				eq(MavenSearchArtifactResponse.class));
	}

	@Test
	public void getLibraryIdWithException() {
		when(client.get(any(URI.class), any())).thenThrow(new DlabException("Can not get artifact info from maven " +
				"central due to: Exception"));

		expectedException.expect(DlabException.class);
		expectedException.expectMessage("Can not get artifact info from maven central due to: Exception");

		mavenCentralLibraryService.getLibrary("groupId", "artifactId", "version");
	}

	private MavenSearchArtifactResponse getMavenResponse() {
		final MavenSearchArtifactResponse response = new MavenSearchArtifactResponse();
		MavenSearchArtifactResponse.Response.Artifact artifact = new MavenSearchArtifactResponse.Response.Artifact();
		artifact.setId("test.group:artifact:1.0");
		artifact.setVersion("1.0");
		final MavenSearchArtifactResponse.Response rsp = new MavenSearchArtifactResponse.Response();
		rsp.setArtifacts(Collections.singletonList(artifact));
		response.setResponse(rsp);
		return response;
	}
}