BIGTOP-4344: Add ut cases for tools classes in server module

bigtop-manager-server/src/test/java/org/apache/bigtop/manager/server/tools/functions/ClusterFunctionsTest.java

@@ -0,0 +1,180 @@
+/*
+ * 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
+ *
+ *    https://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.
+ */
+package org.apache.bigtop.manager.server.tools.functions;
+
+import org.apache.bigtop.manager.server.model.vo.ClusterVO;
+import org.apache.bigtop.manager.server.service.ClusterService;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import dev.langchain4j.agent.tool.ToolExecutionRequest;
+import dev.langchain4j.agent.tool.ToolSpecification;
+import dev.langchain4j.service.tool.ToolExecutor;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class ClusterFunctionsTest {
+
+    @Mock
+    private ClusterService clusterService;
+
+    @InjectMocks
+    private ClusterFunctions clusterFunctions;
+
+    private ClusterVO testCluster;
+
+    @BeforeEach
+    void setUp() {
+        testCluster = new ClusterVO();
+        testCluster.setId(1L);
+        testCluster.setName("test-cluster");
+    }
+
+    @Test
+    void testListCluster() {
+        // Mock clusterService response
+        when(clusterService.list()).thenReturn(Collections.singletonList(testCluster));
+
+        // Get the tool specification and executor
+        Map<ToolSpecification, ToolExecutor> tools = clusterFunctions.listCluster();
+        assertEquals(1, tools.size());
+
+        ToolSpecification spec = tools.keySet().iterator().next();
+        ToolExecutor executor = tools.get(spec);
+
+        // Execute the tool
+        String result = executor.execute(ToolExecutionRequest.builder().build(), "memoryId");
+
+        // Verify results
+        assertTrue(result.contains("test-cluster"));
+        verify(clusterService, times(1)).list();
+    }
+
+    @Test
+    void testGetClusterById() {
+        // Mock clusterService response
+        when(clusterService.get(1L)).thenReturn(testCluster);
+
+        // Get the tool specification and executor
+        Map<ToolSpecification, ToolExecutor> tools = clusterFunctions.getClusterById();
+        assertEquals(1, tools.size());
+
+        ToolSpecification spec = tools.keySet().iterator().next();
+        ToolExecutor executor = tools.get(spec);
+
+        // Build request with arguments
+        String arguments = "{\"clusterId\": 1}";
+        ToolExecutionRequest request =
+                ToolExecutionRequest.builder().arguments(arguments).build();
+
+        // Execute the tool
+        String result = executor.execute(request, "memoryId");
+
+        // Verify results
+        assertTrue(result.contains("test-cluster"));
+        verify(clusterService, times(1)).get(1L);
+    }
+
+    @Test
+    void testGetClusterByIdWhenNotExists() {
+        // Mock clusterService response
+        when(clusterService.get(999L)).thenReturn(null);
+
+        // Get the tool specification and executor
+        Map<ToolSpecification, ToolExecutor> tools = clusterFunctions.getClusterById();
+        ToolExecutor executor = tools.values().iterator().next();
+
+        // Build request with arguments
+        String arguments = "{\"clusterId\": 999}";
+        ToolExecutionRequest request =
+                ToolExecutionRequest.builder().arguments(arguments).build();
+
+        // Execute the tool
+        String result = executor.execute(request, "memoryId");
+
+        // Verify results
+        assertEquals("Cluster not found", result);
+    }
+
+    @Test
+    void testGetClusterByName() {
+        // Mock clusterService response
+        when(clusterService.list()).thenReturn(Collections.singletonList(testCluster));
+
+        // Get the tool specification and executor
+        Map<ToolSpecification, ToolExecutor> tools = clusterFunctions.getClusterByName();
+        ToolExecutor executor = tools.values().iterator().next();
+
+        // Build request with arguments
+        String arguments = "{\"clusterName\": \"test-cluster\"}";
+        ToolExecutionRequest request =
+                ToolExecutionRequest.builder().arguments(arguments).build();
+
+        // Execute the tool
+        String result = executor.execute(request, "memoryId");
+
+        // Verify results
+        assertTrue(result.contains("test-cluster"));
+        verify(clusterService, times(1)).list();
+    }
+
+    @Test
+    void testGetClusterByNameWhenNotExists() {
+        // Mock clusterService response
+        when(clusterService.list()).thenReturn(Collections.singletonList(testCluster));
+
+        // Get the tool specification and executor
+        Map<ToolSpecification, ToolExecutor> tools = clusterFunctions.getClusterByName();
+        ToolExecutor executor = tools.values().iterator().next();
+
+        // Build request with arguments
+        String arguments = "{\"clusterName\": \"non-existent\"}";
+        ToolExecutionRequest request =
+                ToolExecutionRequest.builder().arguments(arguments).build();
+
+        // Execute the tool
+        String result = executor.execute(request, "memoryId");
+
+        // Verify results
+        assertEquals("Cluster not found", result);
+    }
+
+    @Test
+    void testGetAllFunctions() {
+        Map<ToolSpecification, ToolExecutor> functions = clusterFunctions.getAllFunctions();
+        assertEquals(3, functions.size());
+
+        List<String> expectedToolNames = List.of("listCluster", "getClusterById", "getClusterByName");
+        assertTrue(functions.keySet().stream().map(ToolSpecification::name).allMatch(expectedToolNames::contains));
+    }
+}

bigtop-manager-server/src/test/java/org/apache/bigtop/manager/server/tools/functions/HostFunctionsTest.java

@@ -0,0 +1,155 @@
+/*
+ * 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
+ *
+ *    https://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.
+ */
+package org.apache.bigtop.manager.server.tools.functions;
+
+import org.apache.bigtop.manager.dao.query.HostQuery;
+import org.apache.bigtop.manager.server.model.vo.HostVO;
+import org.apache.bigtop.manager.server.model.vo.PageVO;
+import org.apache.bigtop.manager.server.service.HostService;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import dev.langchain4j.agent.tool.ToolExecutionRequest;
+import dev.langchain4j.agent.tool.ToolSpecification;
+import dev.langchain4j.service.tool.ToolExecutor;
+
+import java.util.List;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class HostFunctionsTest {
+
+    @Mock
+    private HostService hostService;
+
+    @InjectMocks
+    private HostFunctions hostFunctions;
+
+    private HostVO testHost;
+    private PageVO<HostVO> testPage;
+
+    @BeforeEach
+    void setUp() {
+        testHost = new HostVO();
+        testHost.setId(1L);
+        testHost.setHostname("test-host");
+
+        testPage = new PageVO<>();
+        testPage.setContent(List.of(testHost));
+        testPage.setTotal(1L);
+    }
+
+    @Test
+    void testGetHostByIdToolSpecification() {
+        Map<ToolSpecification, ToolExecutor> tools = hostFunctions.getHostById();
+        assertEquals(1, tools.size());
+
+        ToolSpecification spec = tools.keySet().iterator().next();
+        Map<String, Map<String, Object>> params = spec.parameters().properties();
+
+        assertEquals(1, params.size());
+        assertTrue(params.containsKey("hostId"));
+        assertEquals("number", params.get("hostId").get("type"));
+        assertEquals("host id", params.get("hostId").get("description"));
+    }
+
+    @Test
+    void testGetHostByIdExecutorFound() throws Exception {
+        when(hostService.get(1L)).thenReturn(testHost);
+
+        Map<ToolSpecification, ToolExecutor> tools = hostFunctions.getHostById();
+        ToolExecutor executor = tools.values().iterator().next();
+
+        String arguments = "{\"hostId\": 1}";
+        String result = executor.execute(
+                ToolExecutionRequest.builder().arguments(arguments).build(), null);
+
+        // Use system-independent newline character regex
+        String expectedPattern = ".*\"hostname\"\\s*:\\s*\"test-host\".*";
+        assertTrue(
+                result.replaceAll("\\R", System.lineSeparator()).matches("(?s)" + expectedPattern),
+                "Hostname should match with any line separators");
+    }
+
+    @Test
+    void testGetHostByIdExecutorNotFound() {
+        when(hostService.get(anyLong())).thenReturn(null);
+
+        Map<ToolSpecification, ToolExecutor> tools = hostFunctions.getHostById();
+        ToolExecutor executor = tools.values().iterator().next();
+
+        String arguments = "{\"hostId\": 999}";
+        String result = executor.execute(
+                ToolExecutionRequest.builder().arguments(arguments).build(), null);
+
+        assertEquals("Host not found", result);
+    }
+
+    @Test
+    void testGetHostByNameToolSpecification() {
+        Map<ToolSpecification, ToolExecutor> tools = hostFunctions.getHostByName();
+        assertEquals(1, tools.size());
+
+        ToolSpecification spec = tools.keySet().iterator().next();
+        assertEquals("getHostByName", spec.name());
+        assertEquals("Get host information based on cluster name", spec.description());
+        Map<String, Map<String, Object>> params = spec.parameters().properties();
+        assertEquals(1, params.size());
+        assertTrue(params.containsKey("hostName"));
+        assertEquals("string", params.get("hostName").get("type"));
+    }
+
+    @Test
+    void testGetHostByNameExecutor() {
+        HostQuery query = new HostQuery();
+        query.setHostname("test-host");
+        when(hostService.list(query)).thenReturn(testPage);
+
+        Map<ToolSpecification, ToolExecutor> tools = hostFunctions.getHostByName();
+        ToolExecutor executor = tools.values().iterator().next();
+
+        String arguments = "{\"hostName\":\"test-host\"}";
+        String result = executor.execute(
+                ToolExecutionRequest.builder().arguments(arguments).build(), null);
+
+        // System-independent matching pattern
+        String totalPattern = "(?s).*\"total\"\\s*:\\s*1.*";
+        String hostPattern = "(?s).*\"hostname\"\\s*:\\s*\"test-host\".*";
+        assertTrue(result.matches(totalPattern), "Should contain total=1");
+        assertTrue(result.matches(hostPattern), "Should contain hostname=test-host");
+    }
+
+    @Test
+    void testGetAllFunctions() {
+        Map<ToolSpecification, ToolExecutor> functions = hostFunctions.getAllFunctions();
+        assertEquals(2, functions.size());
+        assertTrue(functions.keySet().stream().anyMatch(s -> s.name().equals("getHostById")));
+        assertTrue(functions.keySet().stream().anyMatch(s -> s.name().equals("getHostByName")));
+    }
+}