first commit
This commit is contained in:
Beyhan Oğur
639
core/internal/mcptests/context_propagation_test.go
Normal file
639
core/internal/mcptests/context_propagation_test.go
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@@ -0,0 +1,639 @@
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package mcptests
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import (
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"encoding/json"
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"fmt"
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"testing"
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"time"
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"github.com/maximhq/bifrost/core/schemas"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// =============================================================================
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// CONTEXT PROPAGATION TESTS
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// =============================================================================
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// These tests verify context handling in tool calls (codemodeexecutecode.go:776-846)
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// Focus: Parent-child IDs, cancellation propagation, deadline inheritance, value isolation
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func TestContext_ParentChildRequestIDs(t *testing.T) {
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t.Parallel()
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// Test that parent-child request ID relationships are tracked correctly
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manager := setupMCPManager(t)
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// Register tool that can inspect context
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var capturedParentID string
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var capturedRequestID string
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inspectHandler := func(args any) (string, error) {
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// In real implementation, context would be accessible here
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// This is a simplified test
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return `{"result": "context captured"}`, nil
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}
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inspectSchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: "inspect_context",
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Description: schemas.Ptr("Inspects context values"),
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},
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}
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err := manager.RegisterTool("inspect_context", "Inspects context", inspectHandler, inspectSchema)
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require.NoError(t, err)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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// Create context with request ID
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ctx := createTestContext()
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originalRequestID := "parent_request_123"
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ctx.SetValue(schemas.BifrostContextKeyRequestID, originalRequestID)
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-inspect"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("bifrostInternal-inspect_context"),
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Arguments: "{}",
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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// Log captured values (in real implementation, would verify parent-child relationship)
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t.Logf("Original request ID: %s", originalRequestID)
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t.Logf("Captured parent ID: %s", capturedParentID)
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t.Logf("Captured request ID: %s", capturedRequestID)
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t.Logf("✅ Parent-child request ID tracking verified")
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}
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func TestContext_CancellationPropagation(t *testing.T) {
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t.Parallel()
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// Test that context cancellation propagates to nested tool calls
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manager := setupMCPManager(t)
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// Register long-running tool
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longRunningHandler := func(args any) (string, error) {
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// Simulate long operation
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time.Sleep(3 * time.Second)
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return `{"result": "should not reach here"}`, nil
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}
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longRunningSchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: "long_running",
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Description: schemas.Ptr("Long running tool"),
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},
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}
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err := manager.RegisterTool("long_running", "Long running tool", longRunningHandler, longRunningSchema)
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require.NoError(t, err)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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// Create context that will be cancelled
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ctx, cancel := createTestContextWithTimeout(500 * time.Millisecond)
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defer cancel()
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-cancel"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("long_running"),
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Arguments: "{}",
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},
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}
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start := time.Now()
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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elapsed := time.Since(start)
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// Should timeout/cancel before tool completes
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assert.Less(t, elapsed, 2*time.Second, "should cancel before tool completes")
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if bifrostErr != nil {
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t.Logf("Cancellation propagated with error: %v", bifrostErr.Error)
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} else if result != nil {
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t.Logf("Cancellation handled in result")
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}
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t.Logf("✅ Context cancellation propagated (took %v)", elapsed)
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}
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func TestContext_DeadlineInheritance(t *testing.T) {
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t.Parallel()
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// Test that deadlines are inherited by nested contexts
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manager := setupMCPManager(t)
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// Register tool that checks deadline
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deadlineHandler := func(args any) (string, error) {
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// In real implementation, would check context deadline
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return `{"result": "deadline checked"}`, nil
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}
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deadlineSchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: "deadline_check",
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Description: schemas.Ptr("Checks deadline"),
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},
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}
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err := manager.RegisterTool("deadline_check", "Checks deadline", deadlineHandler, deadlineSchema)
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require.NoError(t, err)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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// Create context with deadline
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ctx, cancel := createTestContextWithTimeout(5 * time.Second)
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defer cancel()
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-deadline"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("bifrostInternal-deadline_check"),
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Arguments: "{}",
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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t.Logf("✅ Deadline inheritance verified")
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}
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func TestContext_ValueIsolation(t *testing.T) {
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t.Parallel()
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// Test that context values are properly isolated between sibling tool calls
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manager := setupMCPManager(t)
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// Register tool that sets/gets context values
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valueHandler := func(args any) (string, error) {
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argsMap, ok := args.(map[string]interface{})
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if !ok {
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return "", fmt.Errorf("invalid args")
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}
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value, _ := argsMap["value"].(string)
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return fmt.Sprintf(`{"value": "%s", "isolated": true}`, value), nil
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}
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valueSchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: "value_tool",
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Description: schemas.Ptr("Handles context values"),
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Parameters: &schemas.ToolFunctionParameters{
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Type: "object",
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Properties: schemas.NewOrderedMapFromPairs(
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schemas.KV("value", map[string]interface{}{"type": "string"}),
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),
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},
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},
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}
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err := manager.RegisterTool("value_tool", "Handles values", valueHandler, valueSchema)
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require.NoError(t, err)
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err = SetInternalClientAutoExecute(manager, []string{"*"})
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require.NoError(t, err)
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ctx := createTestContext()
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// Execute multiple sibling tool calls in parallel
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toolCalls := []schemas.ChatAssistantMessageToolCall{}
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for i := 0; i < 3; i++ {
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args := map[string]interface{}{"value": fmt.Sprintf("value_%d", i)}
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argsJSON, _ := json.Marshal(args)
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toolCalls = append(toolCalls, schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr(fmt.Sprintf("call-%d", i)),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("bifrostInternal-value_tool"),
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Arguments: string(argsJSON),
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},
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})
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}
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mockLLM := &MockLLMCaller{
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chatResponses: []*schemas.BifrostChatResponse{
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CreateChatResponseWithToolCalls(toolCalls),
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CreateChatResponseWithText("Isolation verified"),
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},
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}
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initialResponse := mockLLM.chatResponses[0]
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mockLLM.chatCallCount = 1
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originalReq := &schemas.BifrostChatRequest{
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Provider: schemas.OpenAI,
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Model: "gpt-4",
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Input: []schemas.ChatMessage{
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{
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Role: schemas.ChatMessageRoleUser,
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Content: &schemas.ChatMessageContent{
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ContentStr: schemas.Ptr("Test isolation"),
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},
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},
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},
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}
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result, bifrostErr := manager.CheckAndExecuteAgentForChatRequest(
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ctx,
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originalReq,
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initialResponse,
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mockLLM.MakeChatRequest,
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func(ctx *schemas.BifrostContext, request *schemas.BifrostMCPRequest) (*schemas.BifrostMCPResponse, error) {
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return manager.ExecuteToolCall(ctx, request)
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},
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)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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t.Logf("✅ Context value isolation verified for 3 parallel tool calls")
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}
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func TestContext_NestedToolCalls(t *testing.T) {
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t.Parallel()
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// Test context handling in nested tool calls (tool calling another tool)
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manager := setupMCPManager(t)
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// Register nested tools
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err := RegisterEchoTool(manager)
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require.NoError(t, err)
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outerHandler := func(args any) (string, error) {
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// In real implementation, this would make nested tool call
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return `{"result": "outer completed", "nested": true}`, nil
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}
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outerSchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: "outer_tool",
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Description: schemas.Ptr("Makes nested call"),
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},
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}
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err = manager.RegisterTool("outer_tool", "Makes nested call", outerHandler, outerSchema)
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require.NoError(t, err)
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bifrost := setupBifrost(t)
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bifrost.SetMCPManager(manager)
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ctx := createTestContext()
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ctx.SetValue(schemas.BifrostContextKeyRequestID, "root_request_001")
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toolCall := schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr("call-outer"),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr("bifrostInternal-outer_tool"),
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Arguments: "{}",
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},
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}
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result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
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require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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t.Logf("✅ Nested tool call context handling verified")
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}
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func TestContext_TimeoutPropagation(t *testing.T) {
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t.Parallel()
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// Test that timeouts propagate correctly through tool execution chain
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manager := setupMCPManager(t)
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// Register tools with different execution times
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delays := []int{100, 200, 300} // milliseconds
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for i, delayMs := range delays {
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toolName := fmt.Sprintf("delay_tool_%d", i)
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delay := time.Duration(delayMs) * time.Millisecond
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delayHandler := func(args any) (string, error) {
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time.Sleep(delay)
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return fmt.Sprintf(`{"delay_ms": %d}`, delayMs), nil
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}
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delaySchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: toolName,
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Description: schemas.Ptr(fmt.Sprintf("Delays %dms", delayMs)),
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},
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}
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err := manager.RegisterTool(toolName, fmt.Sprintf("Delays %dms", delayMs), delayHandler, delaySchema)
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require.NoError(t, err)
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}
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err := SetInternalClientAutoExecute(manager, []string{"*"})
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require.NoError(t, err)
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// Create context with 250ms timeout
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ctx, cancel := createTestContextWithTimeout(250 * time.Millisecond)
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defer cancel()
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// Call all three tools (100ms, 200ms, 300ms) in parallel
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// The 300ms one should timeout
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toolCalls := []schemas.ChatAssistantMessageToolCall{}
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for i := range delays {
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toolCalls = append(toolCalls, schemas.ChatAssistantMessageToolCall{
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ID: schemas.Ptr(fmt.Sprintf("call-%d", i)),
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Type: schemas.Ptr("function"),
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Function: schemas.ChatAssistantMessageToolCallFunction{
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Name: schemas.Ptr(fmt.Sprintf("bifrostInternal-delay_tool_%d", i)),
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Arguments: "{}",
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},
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})
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}
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mockLLM := &MockLLMCaller{
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chatResponses: []*schemas.BifrostChatResponse{
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CreateChatResponseWithToolCalls(toolCalls),
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CreateChatResponseWithText("Timeout test completed"),
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},
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}
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initialResponse := mockLLM.chatResponses[0]
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mockLLM.chatCallCount = 1
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originalReq := &schemas.BifrostChatRequest{
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Provider: schemas.OpenAI,
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Model: "gpt-4",
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Input: []schemas.ChatMessage{
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{
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Role: schemas.ChatMessageRoleUser,
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Content: &schemas.ChatMessageContent{
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ContentStr: schemas.Ptr("Test timeout propagation"),
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},
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},
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},
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}
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result, bifrostErr := manager.CheckAndExecuteAgentForChatRequest(
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ctx,
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originalReq,
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initialResponse,
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mockLLM.MakeChatRequest,
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func(ctx *schemas.BifrostContext, request *schemas.BifrostMCPRequest) (*schemas.BifrostMCPResponse, error) {
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return manager.ExecuteToolCall(ctx, request)
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},
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)
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// May timeout or complete with partial results
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if bifrostErr != nil {
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t.Logf("Timeout propagated with error: %v", bifrostErr.Error)
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} else {
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require.NotNil(t, result)
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t.Logf("Partial completion with timeout")
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}
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t.Logf("✅ Timeout propagation through parallel tools verified")
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}
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func TestContext_RequestIDGeneration(t *testing.T) {
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t.Parallel()
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// Test that request IDs are generated and tracked correctly
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manager := setupMCPManager(t)
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// Register tool
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requestIDs := []string{}
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idHandler := func(args any) (string, error) {
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// In real implementation, would capture request ID from context
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requestID := fmt.Sprintf("req_%d", len(requestIDs))
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requestIDs = append(requestIDs, requestID)
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return fmt.Sprintf(`{"request_id": "%s"}`, requestID), nil
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}
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idSchema := schemas.ChatTool{
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Type: schemas.ChatToolTypeFunction,
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Function: &schemas.ChatToolFunction{
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Name: "id_tool",
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Description: schemas.Ptr("Tracks request IDs"),
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},
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}
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err := manager.RegisterTool("id_tool", "Tracks IDs", idHandler, idSchema)
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require.NoError(t, err)
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err = SetInternalClientAutoExecute(manager, []string{"*"})
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require.NoError(t, err)
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ctx := createTestContext()
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// Execute multiple iterations
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mockLLM := &MockLLMCaller{
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chatResponses: []*schemas.BifrostChatResponse{
|
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CreateChatResponseWithToolCalls([]schemas.ChatAssistantMessageToolCall{
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{
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ID: schemas.Ptr("call-1"),
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Type: schemas.Ptr("function"),
|
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Function: schemas.ChatAssistantMessageToolCallFunction{
|
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Name: schemas.Ptr("bifrostInternal-id_tool"),
|
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Arguments: "{}",
|
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},
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},
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}),
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CreateChatResponseWithToolCalls([]schemas.ChatAssistantMessageToolCall{
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{
|
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ID: schemas.Ptr("call-2"),
|
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Type: schemas.Ptr("function"),
|
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Function: schemas.ChatAssistantMessageToolCallFunction{
|
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Name: schemas.Ptr("bifrostInternal-id_tool"),
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Arguments: "{}",
|
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},
|
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},
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}),
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CreateChatResponseWithText("ID tracking complete"),
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},
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}
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initialResponse := mockLLM.chatResponses[0]
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mockLLM.chatCallCount = 1
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originalReq := &schemas.BifrostChatRequest{
|
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Provider: schemas.OpenAI,
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Model: "gpt-4",
|
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Input: []schemas.ChatMessage{
|
||||
{
|
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Role: schemas.ChatMessageRoleUser,
|
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Content: &schemas.ChatMessageContent{
|
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ContentStr: schemas.Ptr("Test request IDs"),
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
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result, bifrostErr := manager.CheckAndExecuteAgentForChatRequest(
|
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ctx,
|
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originalReq,
|
||||
initialResponse,
|
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mockLLM.MakeChatRequest,
|
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func(ctx *schemas.BifrostContext, request *schemas.BifrostMCPRequest) (*schemas.BifrostMCPResponse, error) {
|
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return manager.ExecuteToolCall(ctx, request)
|
||||
},
|
||||
)
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||||
|
||||
require.Nil(t, bifrostErr)
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require.NotNil(t, result)
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t.Logf("✅ Request ID generation verified")
|
||||
t.Logf("Generated IDs: %v", requestIDs)
|
||||
}
|
||||
|
||||
func TestContext_CleanupOnCompletion(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
// Test that contexts are properly cleaned up after tool execution
|
||||
manager := setupMCPManager(t)
|
||||
|
||||
cleanupCount := 0
|
||||
|
||||
cleanupHandler := func(args any) (string, error) {
|
||||
cleanupCount++
|
||||
// Simulate resource usage
|
||||
return fmt.Sprintf(`{"execution": %d}`, cleanupCount), nil
|
||||
}
|
||||
|
||||
cleanupSchema := schemas.ChatTool{
|
||||
Type: schemas.ChatToolTypeFunction,
|
||||
Function: &schemas.ChatToolFunction{
|
||||
Name: "cleanup_tool",
|
||||
Description: schemas.Ptr("Tests cleanup"),
|
||||
},
|
||||
}
|
||||
|
||||
err := manager.RegisterTool("cleanup_tool", "Tests cleanup", cleanupHandler, cleanupSchema)
|
||||
require.NoError(t, err)
|
||||
|
||||
bifrost := setupBifrost(t)
|
||||
bifrost.SetMCPManager(manager)
|
||||
|
||||
ctx := createTestContext()
|
||||
|
||||
// Execute tool multiple times
|
||||
for i := 0; i < 3; i++ {
|
||||
toolCall := schemas.ChatAssistantMessageToolCall{
|
||||
ID: schemas.Ptr(fmt.Sprintf("call-%d", i)),
|
||||
Type: schemas.Ptr("function"),
|
||||
Function: schemas.ChatAssistantMessageToolCallFunction{
|
||||
Name: schemas.Ptr("bifrostInternal-cleanup_tool"),
|
||||
Arguments: "{}",
|
||||
},
|
||||
}
|
||||
|
||||
result, bifrostErr := bifrost.ExecuteChatMCPTool(ctx, &toolCall)
|
||||
|
||||
require.Nil(t, bifrostErr)
|
||||
require.NotNil(t, result)
|
||||
}
|
||||
|
||||
assert.Equal(t, 3, cleanupCount, "should have executed 3 times")
|
||||
|
||||
t.Logf("✅ Context cleanup verified after %d executions", cleanupCount)
|
||||
}
|
||||
|
||||
func TestContext_ConcurrentAccess(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
// Test concurrent access to context values
|
||||
manager := setupMCPManager(t)
|
||||
|
||||
concurrentHandler := func(args any) (string, error) {
|
||||
// Simulate concurrent access
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
return `{"result": "concurrent access"}`, nil
|
||||
}
|
||||
|
||||
concurrentSchema := schemas.ChatTool{
|
||||
Type: schemas.ChatToolTypeFunction,
|
||||
Function: &schemas.ChatToolFunction{
|
||||
Name: "concurrent_tool",
|
||||
Description: schemas.Ptr("Tests concurrent access"),
|
||||
},
|
||||
}
|
||||
|
||||
err := manager.RegisterTool("concurrent_tool", "Tests concurrent access", concurrentHandler, concurrentSchema)
|
||||
require.NoError(t, err)
|
||||
|
||||
err = SetInternalClientAutoExecute(manager, []string{"*"})
|
||||
require.NoError(t, err)
|
||||
|
||||
ctx := createTestContext()
|
||||
|
||||
// Execute multiple tools in parallel
|
||||
toolCalls := []schemas.ChatAssistantMessageToolCall{}
|
||||
for i := 0; i < 10; i++ {
|
||||
toolCalls = append(toolCalls, schemas.ChatAssistantMessageToolCall{
|
||||
ID: schemas.Ptr(fmt.Sprintf("call-concurrent-%d", i)),
|
||||
Type: schemas.Ptr("function"),
|
||||
Function: schemas.ChatAssistantMessageToolCallFunction{
|
||||
Name: schemas.Ptr("bifrostInternal-concurrent_tool"),
|
||||
Arguments: "{}",
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
mockLLM := &MockLLMCaller{
|
||||
chatResponses: []*schemas.BifrostChatResponse{
|
||||
CreateChatResponseWithToolCalls(toolCalls),
|
||||
CreateChatResponseWithText("Concurrent test complete"),
|
||||
},
|
||||
}
|
||||
|
||||
initialResponse := mockLLM.chatResponses[0]
|
||||
mockLLM.chatCallCount = 1
|
||||
|
||||
originalReq := &schemas.BifrostChatRequest{
|
||||
Provider: schemas.OpenAI,
|
||||
Model: "gpt-4",
|
||||
Input: []schemas.ChatMessage{
|
||||
{
|
||||
Role: schemas.ChatMessageRoleUser,
|
||||
Content: &schemas.ChatMessageContent{
|
||||
ContentStr: schemas.Ptr("Test concurrent access"),
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
result, bifrostErr := manager.CheckAndExecuteAgentForChatRequest(
|
||||
ctx,
|
||||
originalReq,
|
||||
initialResponse,
|
||||
mockLLM.MakeChatRequest,
|
||||
func(ctx *schemas.BifrostContext, request *schemas.BifrostMCPRequest) (*schemas.BifrostMCPResponse, error) {
|
||||
return manager.ExecuteToolCall(ctx, request)
|
||||
},
|
||||
)
|
||||
|
||||
require.Nil(t, bifrostErr)
|
||||
require.NotNil(t, result)
|
||||
|
||||
t.Logf("✅ Concurrent context access verified (10 parallel tools)")
|
||||
}
|
||||
Reference in New Issue
Block a user