1 files changed, 158 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClientTest.java b/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClientTest.java
new file mode 100644
index 000000000..7f1943c97
--- /dev/null
+++ b/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClientTest.java
@@ -0,0 +1,158 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ *  Modifications Copyright (C) 2021 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.acm.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 static org.mockito.Mockito.when;
+
+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.acm.participant.kubernetes.exception.ServiceException;
+import org.onap.policy.clamp.acm.participant.kubernetes.models.ChartInfo;
+import org.onap.policy.clamp.acm.participant.kubernetes.models.ChartList;
+import org.onap.policy.clamp.acm.participant.kubernetes.models.HelmRepository;
+import org.onap.policy.clamp.acm.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;
+
+    @Mock
+    HelmRepository repo;
+
+    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());
+        var chartinfo = charts.get(0);
+
+        assertDoesNotThrow(() -> helmClient.installChart(chartinfo));
+        chartinfo.setNamespace("");
+        assertDoesNotThrow(() -> helmClient.installChart(chartinfo));
+
+        mockedClient.when(() -> HelmClient.executeCommand(any()))
+            .thenReturn(new String());
+        assertDoesNotThrow(() -> helmClient.installChart(chartinfo));
+
+    }
+
+    @Test
+    void test_addRepository() throws IOException {
+        mockedClient.when(() -> HelmClient.executeCommand(any()))
+            .thenReturn(new String());
+        when(repo.getRepoName()).thenReturn("RepoName");
+        assertDoesNotThrow(() -> helmClient.addRepository(repo));
+
+        mockedClient.when(() -> HelmClient.executeCommand(any()))
+            .thenReturn("failed");
+        assertDoesNotThrow(() -> helmClient.addRepository(repo));
+    }
+
+    @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);
+    }
+
+}