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feat: ChatClient#mutate adds copies of advisors and advisorParams. #3459

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feat: ChatClient#mutate adds copies of advisors and advisorParams. #3459

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6 changes: 6 additions & 0 deletions ...ng-ai-client-chat/src/main/java/org/springframework/ai/chat/client/DefaultChatClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@
import org.springframework.core.io.Resource;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
import org.springframework.util.MimeType;
import org.springframework.util.StringUtils;

Expand Down Expand Up @@ -705,6 +706,7 @@ public TemplateRenderer getTemplateRenderer() {
* Return a {@code ChatClient2Builder} to create a new {@code ChatClient2} whose
* settings are replicated from this {@code ChatClientRequest}.
*/
@Override
public Builder mutate() {
DefaultChatClientBuilder builder = (DefaultChatClientBuilder) ChatClient
.builder(this.chatModel, this.observationRegistry, this.observationConvention)
Expand All @@ -713,6 +715,10 @@ public Builder mutate() {
.defaultToolContext(this.toolContext)
.defaultToolNames(StringUtils.toStringArray(this.toolNames));

if (!CollectionUtils.isEmpty(this.advisors)) {
builder.defaultAdvisors(a -> a.advisors(this.advisors).params(this.advisorParams));
}

if (StringUtils.hasText(this.userText)) {
builder.defaultUser(
u -> u.text(this.userText).params(this.userParams).media(this.media.toArray(new Media[0])));
Expand Down
47 changes: 47 additions & 0 deletions ...-client-chat/src/test/java/org/springframework/ai/chat/client/DefaultChatClientTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@
import org.springframework.ai.content.Media;
import org.springframework.ai.converter.ListOutputConverter;
import org.springframework.ai.converter.StructuredOutputConverter;
import org.springframework.ai.template.TemplateRenderer;
import org.springframework.ai.tool.ToolCallback;
import org.springframework.ai.tool.function.FunctionToolCallback;
import org.springframework.core.ParameterizedTypeReference;
Expand All @@ -60,6 +61,7 @@
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

/**
* Unit tests for {@link DefaultChatClient}.
Expand Down Expand Up @@ -124,6 +126,51 @@ void whenPromptWithOptionsThenReturn() {
assertThat(spec.getChatOptions()).isEqualTo(chatOptions);
}

@Test
void testMutate() {
var media = mock(Media.class);
var toolCallback = mock(ToolCallback.class);
var advisor = mock(Advisor.class);
var templateRenderer = mock(TemplateRenderer.class);
var chatOptions = mock(ChatOptions.class);
var copyChatOptions = mock(ChatOptions.class);
when(chatOptions.copy()).thenReturn(copyChatOptions);
var toolContext = new HashMap<String, Object>();
var userMessage1 = mock(UserMessage.class);
var userMessage2 = mock(UserMessage.class);

DefaultChatClientBuilder defaultChatClientBuilder = new DefaultChatClientBuilder(mock(ChatModel.class));
defaultChatClientBuilder.addMessages(List.of(userMessage1, userMessage2));
ChatClient originalChatClient = defaultChatClientBuilder.defaultAdvisors(advisor)
.defaultOptions(chatOptions)
.defaultUser(u -> u.text("original user {userParams}").param("userParams", "user value2").media(media))
.defaultSystem(s -> s.text("original system {sysParams}").param("sysParams", "system value1"))
.defaultTemplateRenderer(templateRenderer)
.defaultToolNames("toolName1", "toolName2")
.defaultToolCallbacks(toolCallback)
.defaultToolContext(toolContext)
.build();
var originalSpec = (DefaultChatClient.DefaultChatClientRequestSpec) originalChatClient.prompt();

ChatClient mutateChatClient = originalChatClient.mutate().build();
var mutateSpec = (DefaultChatClient.DefaultChatClientRequestSpec) mutateChatClient.prompt();

assertThat(mutateSpec).isNotSameAs(originalSpec);

assertThat(mutateSpec.getMessages()).hasSize(2).containsOnly(userMessage1, userMessage2);
assertThat(mutateSpec.getAdvisors()).hasSize(1).containsOnly(advisor);
assertThat(mutateSpec.getChatOptions()).isEqualTo(copyChatOptions);
assertThat(mutateSpec.getUserText()).isEqualTo("original user {userParams}");
assertThat(mutateSpec.getUserParams()).containsEntry("userParams", "user value2");
assertThat(mutateSpec.getMedia()).hasSize(1).containsOnly(media);
assertThat(mutateSpec.getSystemText()).isEqualTo("original system {sysParams}");
assertThat(mutateSpec.getSystemParams()).containsEntry("sysParams", "system value1");
assertThat(mutateSpec.getTemplateRenderer()).isEqualTo(templateRenderer);
assertThat(mutateSpec.getToolNames()).containsExactly("toolName1", "toolName2");
assertThat(mutateSpec.getToolCallbacks()).containsExactly(toolCallback);
assertThat(mutateSpec.getToolContext()).isEqualTo(toolContext);
}

@Test
void whenMutateChatClientRequest() {
ChatClient chatClient = new DefaultChatClientBuilder(mock(ChatModel.class)).build();
Expand Down