File size: 7,185 Bytes
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import (
"github.com/libaxuan/cursor2api-go/config"
"github.com/libaxuan/cursor2api-go/models"
"strings"
"testing"
)
func TestBuildCursorRequestEnablesToolProtocolForBaseModel(t *testing.T) {
service := &CursorService{
config: &config.Config{
SystemPromptInject: "Injected system prompt",
MaxInputLength: 10000,
},
}
request := &models.ChatCompletionRequest{
Model: "claude-sonnet-4.6",
Messages: []models.Message{
{Role: "user", Content: "What's the weather?"},
},
Tools: []models.Tool{
{
Type: "function",
Function: models.FunctionDefinition{
Name: "get_weather",
Description: "Fetch current weather",
Parameters: map[string]interface{}{
"type": "object",
},
},
},
},
}
result, err := service.buildCursorRequest(request)
if err != nil {
t.Fatalf("buildCursorRequest() error = %v", err)
}
if result.Payload.Model != "anthropic/claude-sonnet-4.6" {
t.Fatalf("Payload.Model = %v, want anthropic/claude-sonnet-4.6", result.Payload.Model)
}
if result.ParseConfig.TriggerSignal == "" {
t.Fatalf("TriggerSignal should not be empty")
}
if result.ParseConfig.ThinkingEnabled {
t.Fatalf("ThinkingEnabled = true, want false")
}
systemText := result.Payload.Messages[0].Parts[0].Text
if !strings.Contains(systemText, "<function_list>") {
t.Fatalf("system prompt does not include function list: %s", systemText)
}
if strings.Contains(systemText, thinkingHint) {
t.Fatalf("system prompt should not include thinking hint for base model")
}
}
func TestBuildCursorRequestThinkingModelFormatsToolHistory(t *testing.T) {
service := &CursorService{
config: &config.Config{
MaxInputLength: 10000,
},
}
request := &models.ChatCompletionRequest{
Model: "claude-sonnet-4.6-thinking",
Messages: []models.Message{
{Role: "user", Content: "Plan first, then use tools."},
{
Role: "assistant",
ToolCalls: []models.ToolCall{
{
ID: "call_1",
Type: "function",
Function: models.FunctionCall{
Name: "lookup",
Arguments: `{"q":"revivalquant"}`,
},
},
},
},
{Role: "tool", ToolCallID: "call_1", Name: "lookup", Content: "Found result"},
},
Tools: []models.Tool{
{
Type: "function",
Function: models.FunctionDefinition{
Name: "lookup",
},
},
},
}
result, err := service.buildCursorRequest(request)
if err != nil {
t.Fatalf("buildCursorRequest() error = %v", err)
}
if result.ParseConfig.TriggerSignal == "" {
t.Fatalf("TriggerSignal should not be empty")
}
if !result.ParseConfig.ThinkingEnabled {
t.Fatalf("ThinkingEnabled = false, want true")
}
if result.Payload.Model != "anthropic/claude-sonnet-4.6" {
t.Fatalf("Payload.Model = %v, want anthropic/claude-sonnet-4.6", result.Payload.Model)
}
userText := result.Payload.Messages[1].Parts[0].Text
if !strings.Contains(userText, thinkingHint) {
t.Fatalf("user message should contain thinking hint, got: %s", userText)
}
assistantText := result.Payload.Messages[2].Parts[0].Text
if !strings.Contains(assistantText, result.ParseConfig.TriggerSignal) {
t.Fatalf("assistant tool history should include trigger signal, got: %s", assistantText)
}
if !strings.Contains(assistantText, `<invoke name="lookup">{"q":"revivalquant"}</invoke>`) {
t.Fatalf("assistant tool history missing invoke block, got: %s", assistantText)
}
toolText := result.Payload.Messages[3].Parts[0].Text
if !strings.Contains(toolText, `<tool_result id="call_1" name="lookup">Found result</tool_result>`) {
t.Fatalf("tool result history missing tool_result block, got: %s", toolText)
}
}
func TestBuildCursorRequestPreservesToolHistoryWithoutCurrentTools(t *testing.T) {
service := &CursorService{
config: &config.Config{
MaxInputLength: 10000,
},
}
request := &models.ChatCompletionRequest{
Model: "claude-sonnet-4.6",
ToolChoice: []byte(`"none"`),
Messages: []models.Message{
{
Role: "assistant",
ToolCalls: []models.ToolCall{
{
ID: "call_weather",
Type: "function",
Function: models.FunctionCall{
Name: "get_weather",
Arguments: `{"city":"Beijing"}`,
},
},
},
},
{Role: "tool", ToolCallID: "call_weather", Name: "get_weather", Content: "Sunny"},
{Role: "user", Content: "Summarize the result."},
},
}
result, err := service.buildCursorRequest(request)
if err != nil {
t.Fatalf("buildCursorRequest() error = %v", err)
}
if result.ParseConfig.TriggerSignal == "" {
t.Fatalf("TriggerSignal should be kept for tool history replay")
}
systemText := result.Payload.Messages[0].Parts[0].Text
if !strings.Contains(systemText, "completed history") {
t.Fatalf("system prompt should explain historical tool transcript, got: %s", systemText)
}
if !strings.Contains(systemText, result.ParseConfig.TriggerSignal) {
t.Fatalf("system prompt should include trigger signal, got: %s", systemText)
}
assistantText := result.Payload.Messages[1].Parts[0].Text
if !strings.Contains(assistantText, result.ParseConfig.TriggerSignal) {
t.Fatalf("assistant history should preserve trigger signal, got: %s", assistantText)
}
}
func TestBuildCursorRequestAllowsToolChoiceNoneWithoutTools(t *testing.T) {
service := &CursorService{
config: &config.Config{
MaxInputLength: 10000,
},
}
request := &models.ChatCompletionRequest{
Model: "claude-sonnet-4.6",
ToolChoice: []byte(`"none"`),
Messages: []models.Message{
{Role: "user", Content: "Hello"},
},
}
result, err := service.buildCursorRequest(request)
if err != nil {
t.Fatalf("buildCursorRequest() error = %v", err)
}
if result.ParseConfig.TriggerSignal != "" {
t.Fatalf("TriggerSignal = %q, want empty for plain chat", result.ParseConfig.TriggerSignal)
}
if len(result.Payload.Messages) != 1 {
t.Fatalf("payload message count = %d, want 1", len(result.Payload.Messages))
}
}
func TestBuildCursorRequestCountsSerializedToolCallsInMaxInputLength(t *testing.T) {
service := &CursorService{
config: &config.Config{
MaxInputLength: 20,
},
}
request := &models.ChatCompletionRequest{
Model: "claude-sonnet-4.6",
Messages: []models.Message{
{
Role: "assistant",
ToolCalls: []models.ToolCall{
{
ID: "call_1",
Type: "function",
Function: models.FunctionCall{
Name: "lookup",
Arguments: `{"payload":"1234567890123456789012345678901234567890"}`,
},
},
},
},
{Role: "user", Content: "Short"},
},
}
result, err := service.buildCursorRequest(request)
if err != nil {
t.Fatalf("buildCursorRequest() error = %v", err)
}
for _, msg := range result.Payload.Messages {
if strings.Contains(msg.Parts[0].Text, `"payload":"1234567890123456789012345678901234567890"`) {
t.Fatalf("serialized tool call arguments should be removed by truncation, payload still contains long tool json: %#v", result.Payload.Messages)
}
}
totalLength := 0
for _, msg := range result.Payload.Messages {
totalLength += len(msg.Parts[0].Text)
}
if totalLength == 0 {
t.Fatalf("truncation should preserve at least one message")
}
}
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