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feat(mcp): Add builder for CreateMessageRequest (#60)

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- Implements a builder pattern for CreateMessageRequest
- Updates corresponding tests to use the new builder syntax
- Add ModelPreferences builder and ModelHint helper
- Use builder pattern for CreateMessageRequest in integration tests

Signed-off-by: Christian Tzolov <christian.tzolov@broadcom.com>
This commit is contained in:
Christian Tzolov 2025-03-21 16:43:27 +01:00 • committed by GitHub
commit 33329bfabb
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1 changed files with 163 additions and 32 deletions
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19
mcp-spring/mcp-spring-webmvc/src/test/java/io/modelcontextprotocol/server/WebMvcSseIntegrationTests.java
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@ -20,6 +20,7 @@ import io.modelcontextprotocol.spec.McpSchema.ClientCapabilities;
import io.modelcontextprotocol.spec.McpSchema.CreateMessageRequest;
import io.modelcontextprotocol.spec.McpSchema.CreateMessageResult;
import io.modelcontextprotocol.spec.McpSchema.InitializeResult;
import io.modelcontextprotocol.spec.McpSchema.ModelPreferences;
import io.modelcontextprotocol.spec.McpSchema.Role;
import io.modelcontextprotocol.spec.McpSchema.Root;
import io.modelcontextprotocol.spec.McpSchema.ServerCapabilities;
@ -45,6 +46,7 @@ import org.springframework.web.servlet.function.ServerResponse;
import static org.assertj.core.api.Assertions.assertThat;
import static org.awaitility.Awaitility.await;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
public class WebMvcSseIntegrationTests {
@ -199,13 +201,16 @@ public class WebMvcSseIntegrationTests {
McpServerFeatures.AsyncToolSpecification tool = new McpServerFeatures.AsyncToolSpecification(
new McpSchema.Tool("tool1", "tool1 description", emptyJsonSchema), (exchange, request) -> {
var messages = List.of(new McpSchema.SamplingMessage(McpSchema.Role.USER,
new McpSchema.TextContent("Test message")));
var modelPrefs = new McpSchema.ModelPreferences(List.of(), 1.0, 1.0, 1.0);
var craeteMessageRequest = new McpSchema.CreateMessageRequest(messages, modelPrefs, null,
McpSchema.CreateMessageRequest.ContextInclusionStrategy.NONE, null, 100, List.of(),
Map.of());
var craeteMessageRequest = McpSchema.CreateMessageRequest.builder()
.messages(List.of(new McpSchema.SamplingMessage(McpSchema.Role.USER,
new McpSchema.TextContent("Test message"))))
.modelPreferences(ModelPreferences.builder()
.hints(List.of())
.costPriority(1.0)
.speedPriority(1.0)
.intelligencePriority(1.0)
.build())
.build();
StepVerifier.create(exchange.createMessage(craeteMessageRequest)).consumeNextWith(result -> {
assertThat(result).isNotNull();