feat(model): Explicitly assign value for thinking mode and search mode

agentscope-core/src/main/java/io/agentscope/core/model/DashScopeChatModel.java

@@ -264,16 +264,19 @@ private void applyThinkingMode(DashScopeRequest request, GenerateOptions options
                         + ".defaultOptions(GenerateOptions.builder().thinkingBudget(1000).build())");
         }
 
-        if (Boolean.TRUE.equals(enableThinking)) {
-            request.getParameters().setEnableThinking(true);
-            if (options.getThinkingBudget() != null) {
-                request.getParameters().setThinkingBudget(options.getThinkingBudget());
-            }
+        if (enableThinking != null) {
+            // Explicitly assign value for thinking mode
+            request.getParameters().setEnableThinking(enableThinking);
+        }
+
+        if (Boolean.TRUE.equals(enableThinking) && options.getThinkingBudget() != null) {
+            request.getParameters().setThinkingBudget(options.getThinkingBudget());
         }
 
         // Model-specific settings for search mode
-        if (Boolean.TRUE.equals(enableSearch)) {
-            request.getParameters().setEnableSearch(Boolean.TRUE);
+        if (enableSearch != null) {
+            // Explicitly assign value for search mode
+            request.getParameters().setEnableSearch(enableSearch);
         }
     }
 

agentscope-core/src/test/java/io/agentscope/core/model/DashScopeChatModelTest.java

@@ -16,12 +16,21 @@
 package io.agentscope.core.model;
 
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import io.agentscope.core.formatter.dashscope.DashScopeChatFormatter;
 import io.agentscope.core.formatter.dashscope.DashScopeMultiAgentFormatter;
+import io.agentscope.core.formatter.dashscope.dto.DashScopeParameters;
+import io.agentscope.core.formatter.dashscope.dto.DashScopeRequest;
 import io.agentscope.core.message.Msg;
 import io.agentscope.core.model.test.ModelTestUtils;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
 import org.junit.jupiter.api.BeforeEach;
@@ -410,4 +419,96 @@ void testWithThinkingMode() {
 
         assertNotNull(thinkingModel);
     }
+
+    @Test
+    @DisplayName("DashScope chat model apply thinking mode")
+    void testApplyThinkingMode() {
+        DashScopeChatModel chatModel =
+                DashScopeChatModel.builder()
+                        .apiKey(mockApiKey)
+                        .modelName("qwen-plus")
+                        .enableThinking(true)
+                        .enableSearch(false)
+                        .build();
+
+        DashScopeRequest request =
+                DashScopeRequest.builder()
+                        .parameters(DashScopeParameters.builder().build())
+                        .build();
+
+        GenerateOptions options = GenerateOptions.builder().thinkingBudget(100).build();
+
+        assertDoesNotThrow(() -> invokeApplyThinkingMode(chatModel, request, options));
+
+        assertTrue(request.getParameters().getEnableThinking());
+        assertFalse(request.getParameters().getEnableSearch());
+        assertEquals(100, request.getParameters().getThinkingBudget());
+    }
+
+    @Test
+    @DisplayName("DashScope chat model apply thinking mode with null")
+    void testApplyThinkingModeWithNull() {
+        DashScopeChatModel chatModel =
+                DashScopeChatModel.builder().apiKey(mockApiKey).modelName("qwen-plus").build();
+
+        DashScopeRequest request =
+                DashScopeRequest.builder()
+                        .parameters(DashScopeParameters.builder().build())
+                        .build();
+
+        GenerateOptions options = GenerateOptions.builder().build();
+
+        assertDoesNotThrow(() -> invokeApplyThinkingMode(chatModel, request, options));
+
+        assertNull(request.getParameters().getEnableThinking());
+        assertNull(request.getParameters().getEnableSearch());
+        assertNull(request.getParameters().getThinkingBudget());
+    }
+
+    @Test
+    @DisplayName(
+            "Should throw an IllegalStateException when setting thinkingBudget while thinking mode"
+                    + " is disabled")
+    void testApplyThinkingModeValidation() {
+        DashScopeChatModel chatModel =
+                DashScopeChatModel.builder()
+                        .apiKey(mockApiKey)
+                        .modelName("qwen-plus")
+                        .enableThinking(false)
+                        .enableSearch(false)
+                        .build();
+
+        DashScopeRequest request =
+                DashScopeRequest.builder()
+                        .parameters(DashScopeParameters.builder().build())
+                        .build();
+
+        GenerateOptions options = GenerateOptions.builder().thinkingBudget(100).build();
+
+        assertThrows(
+                IllegalStateException.class,
+                () -> invokeApplyThinkingMode(chatModel, request, options));
+    }
+
+    /**
+     *  Use reflection to invoke applyThinkingMode
+     *
+     * @param model the dashscope model
+     * @param request the dashscope API request DTO
+     * @param options the generation options for LLM models
+     * @throws Throwable throw the target exception
+     */
+    private void invokeApplyThinkingMode(
+            DashScopeChatModel model, DashScopeRequest request, GenerateOptions options)
+            throws Throwable {
+        try {
+            Method method =
+                    DashScopeChatModel.class.getDeclaredMethod(
+                            "applyThinkingMode", DashScopeRequest.class, GenerateOptions.class);
+            method.setAccessible(true);
+            method.invoke(model, request, options);
+        } catch (InvocationTargetException e) {
+            throw e.getTargetException();
+        }
+    }
 }