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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.clamp.controlloop.participant.kubernetes.helm;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertNull;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mockStatic;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.List;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.Spy;
import org.onap.policy.clamp.controlloop.participant.kubernetes.exception.ServiceException;
import org.onap.policy.clamp.controlloop.participant.kubernetes.models.ChartInfo;
import org.onap.policy.clamp.controlloop.participant.kubernetes.models.ChartList;
import org.onap.policy.clamp.controlloop.participant.kubernetes.service.ChartStore;
import org.onap.policy.common.utils.coder.Coder;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.util.FileSystemUtils;
@ExtendWith(SpringExtension.class)
class HelmClientTest {
private static final Coder CODER = new StandardCoder();
private static final String CHART_INFO_YAML = "src/test/resources/ChartList.json";
private static List<ChartInfo> charts;
@InjectMocks
@Spy
private HelmClient helmClient = new HelmClient();
@Mock
ChartStore chartStore;
private static MockedStatic<HelmClient> mockedClient;
@BeforeAll
static void init() throws CoderException {
charts = CODER.decode(new File(CHART_INFO_YAML), ChartList.class).getCharts();
//Mock static method for bash command execution
mockedClient = mockStatic(HelmClient.class);
}
@AfterAll
public static void close() throws IOException {
mockedClient.close();
FileSystemUtils.deleteRecursively(Path.of("target/tmp"));
}
@Test
void test_installChart() throws IOException {
mockedClient.when(() -> HelmClient.executeCommand(any()))
.thenReturn("success");
doReturn(new File("/target/tmp/override.yaml")).when(chartStore)
.getOverrideFile(any());
assertDoesNotThrow(() -> helmClient.installChart(charts.get(0)));
}
@Test
void test_findChartRepository() throws IOException, ServiceException {
String tmpPath = "target/tmp/dummyChart/1.0/";
mockedClient.when(() -> HelmClient.executeCommand(Mockito.any()))
.thenReturn("nginx-stable/nginx-ingress\t0.9.3\t1.11.3"
+ " \tNGINX Ingress Controller");
String configuredRepo = helmClient.findChartRepository(charts.get(1));
assertThat(configuredRepo).isEqualTo("nginx-stable");
File tmpFile = new File(tmpPath + charts.get(1).getChartId().getName());
tmpFile.mkdirs();
doReturn(Path.of(tmpPath)).when(chartStore).getAppPath(charts.get(1).getChartId());
doReturn(null).when(helmClient).verifyConfiguredRepo(charts.get(1));
String localRepoName = helmClient.findChartRepository(charts.get(1));
assertNotNull(localRepoName);
assertThat(localRepoName).endsWith(charts.get(0).getChartId().getVersion());
}
@Test
void test_uninstallChart() throws ServiceException {
helmClient.uninstallChart(charts.get(0));
mockedClient.when(() -> HelmClient.executeCommand(any())).thenThrow(new ServiceException("error in execution"));
assertThatThrownBy(() -> helmClient.uninstallChart(charts.get(0)))
.isInstanceOf(ServiceException.class);
}
@Test
void test_verifyConfiguredRepoForInvalidChart() throws IOException, ServiceException {
mockedClient.when(() -> HelmClient.executeCommand(Mockito.any()))
.thenReturn("");
String configuredRepo = helmClient.verifyConfiguredRepo(charts.get(1));
assertNull(configuredRepo);
}
}
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