linstor: add some unittest for LinstorUtil

Author: rp-

plugins/storage/volume/linstor/src/test/java/org/apache/cloudstack/storage/datastore/util/LinstorUtilTest.java

@@ -0,0 +1,111 @@
+package org.apache.cloudstack.storage.datastore.util;
+
+import com.linbit.linstor.api.ApiException;
+import com.linbit.linstor.api.DevelopersApi;
+import com.linbit.linstor.api.model.AutoSelectFilter;
+import com.linbit.linstor.api.model.Node;
+import com.linbit.linstor.api.model.Properties;
+import com.linbit.linstor.api.model.ProviderKind;
+import com.linbit.linstor.api.model.ResourceGroup;
+import com.linbit.linstor.api.model.StoragePool;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class LinstorUtilTest {
+
+    private static final String LINSTOR_URL_TEST = "devnull.com:3370";
+    private DevelopersApi api;
+
+    private Node mockNode(String name) {
+        Node nodeMock = new Node();
+        nodeMock.setName(name);
+
+        return nodeMock;
+    }
+
+    private StoragePool mockStoragePool(String name, String node, ProviderKind kind) {
+        StoragePool sp = new StoragePool();
+        sp.setStoragePoolName(name);
+        sp.setNodeName(node);
+        sp.setProviderKind(kind);
+        return sp;
+    }
+
+    @Before
+    public void setUp() throws ApiException {
+        api = mock(DevelopersApi.class);
+
+        when(api.nodeList(Collections.emptyList(), Collections.emptyList(), null, null))
+                .thenReturn(Arrays.asList(mockNode("nodeA"), mockNode("nodeB"), mockNode("nodeC")));
+
+        ResourceGroup csGroup = new ResourceGroup();
+        csGroup.setName("cloudstack");
+        AutoSelectFilter asf = new AutoSelectFilter();
+        asf.setPlaceCount(2);
+        csGroup.setSelectFilter(asf);
+        when(api.resourceGroupList(Collections.singletonList("cloudstack"), null, null, null))
+                .thenReturn(Collections.singletonList(csGroup));
+
+        when(api.viewStoragePools(Collections.emptyList(), null, null, null, null, true))
+                .thenReturn(Arrays.asList(
+                        mockStoragePool("thinpool", "nodeA", ProviderKind.LVM_THIN),
+                        mockStoragePool("thinpool", "nodeB", ProviderKind.LVM_THIN),
+                        mockStoragePool("thinpool", "nodeC", ProviderKind.LVM_THIN)
+                ));
+
+//        when(LinstorUtil.getLinstorAPI(LINSTOR_URL_TEST)).thenReturn(api);
+    }
+
+    @Test
+    public void testGetLinstorNodeNames() throws ApiException {
+        List<String> linstorNodes = LinstorUtil.getLinstorNodeNames(api);
+        Assert.assertEquals(Arrays.asList("nodeA", "nodeB", "nodeC"), linstorNodes);
+    }
+
+    @Test
+    public void testGetSnapshotPath() {
+        {
+            StoragePool spLVMThin = new StoragePool();
+            Properties lvmThinProps = new Properties();
+            lvmThinProps.put("StorDriver/StorPoolName", "storage/storage-thin");
+            spLVMThin.setProps(lvmThinProps);
+            spLVMThin.setProviderKind(ProviderKind.LVM_THIN);
+            String snapPath = LinstorUtil.getSnapshotPath(spLVMThin, "cs-cb32532a-dd8f-47e0-a81c-8a75573d3545", "snap3");
+            Assert.assertEquals("/dev/mapper/storage-cs--cb32532a--dd8f--47e0--a81c--8a75573d3545_00000_snap3", snapPath);
+        }
+
+        {
+            StoragePool spZFS = new StoragePool();
+            Properties zfsProps = new Properties();
+            zfsProps.put("StorDriver/StorPoolName", "linstorPool");
+            spZFS.setProps(zfsProps);
+            spZFS.setProviderKind(ProviderKind.ZFS);
+
+            String snapPath = LinstorUtil.getSnapshotPath(spZFS, "cs-cb32532a-dd8f-47e0-a81c-8a75573d3545", "snap2");
+            Assert.assertEquals("zfs://linstorPool/cs-cb32532a-dd8f-47e0-a81c-8a75573d3545_00000@snap2", snapPath);
+        }
+    }
+
+    @Test
+    public void testGetRscGroupStoragePools() throws ApiException {
+        List<StoragePool> storagePools = LinstorUtil.getRscGroupStoragePools(api, "cloudstack");
+
+        List<String> names = storagePools.stream()
+                .map(sp -> String.format("%s::%s", sp.getNodeName(), sp.getStoragePoolName()))
+                .collect(Collectors.toList());
+        Assert.assertEquals(names, Arrays.asList("nodeA::thinpool", "nodeB::thinpool", "nodeC::thinpool"));
+    }
+}