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huangzhenpc
244
backend/internal/pkg/antigravity/request_transformer_test.go
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244
backend/internal/pkg/antigravity/request_transformer_test.go
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package antigravity
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import (
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"encoding/json"
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"testing"
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)
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// TestBuildParts_ThinkingBlockWithoutSignature 测试thinking block无signature时的处理
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func TestBuildParts_ThinkingBlockWithoutSignature(t *testing.T) {
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tests := []struct {
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name string
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content string
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allowDummyThought bool
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expectedParts int
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description string
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}{
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{
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name: "Claude model - downgrade thinking to text without signature",
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content: `[
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{"type": "text", "text": "Hello"},
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{"type": "thinking", "thinking": "Let me think...", "signature": ""},
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{"type": "text", "text": "World"}
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]`,
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allowDummyThought: false,
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expectedParts: 3, // thinking 内容降级为普通 text part
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description: "Claude模型缺少signature时应将thinking降级为text，并在上层禁用thinking mode",
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},
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{
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name: "Claude model - preserve thinking block with signature",
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content: `[
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{"type": "text", "text": "Hello"},
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{"type": "thinking", "thinking": "Let me think...", "signature": "sig_real_123"},
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{"type": "text", "text": "World"}
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]`,
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allowDummyThought: false,
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expectedParts: 3,
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description: "Claude模型应透传带 signature 的 thinking block（用于 Vertex 签名链路）",
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},
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{
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name: "Gemini model - use dummy signature",
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content: `[
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{"type": "text", "text": "Hello"},
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{"type": "thinking", "thinking": "Let me think...", "signature": ""},
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{"type": "text", "text": "World"}
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]`,
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allowDummyThought: true,
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expectedParts: 3, // 三个block都保留，thinking使用dummy signature
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description: "Gemini模型应该为无signature的thinking block使用dummy signature",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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toolIDToName := make(map[string]string)
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parts, _, err := buildParts(json.RawMessage(tt.content), toolIDToName, tt.allowDummyThought)
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if err != nil {
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t.Fatalf("buildParts() error = %v", err)
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}
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if len(parts) != tt.expectedParts {
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t.Errorf("%s: got %d parts, want %d parts", tt.description, len(parts), tt.expectedParts)
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}
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switch tt.name {
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case "Claude model - preserve thinking block with signature":
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if len(parts) != 3 {
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t.Fatalf("expected 3 parts, got %d", len(parts))
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}
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if !parts[1].Thought || parts[1].ThoughtSignature != "sig_real_123" {
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t.Fatalf("expected thought part with signature sig_real_123, got thought=%v signature=%q",
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parts[1].Thought, parts[1].ThoughtSignature)
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}
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case "Claude model - downgrade thinking to text without signature":
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if len(parts) != 3 {
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t.Fatalf("expected 3 parts, got %d", len(parts))
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}
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if parts[1].Thought {
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t.Fatalf("expected downgraded text part, got thought=%v signature=%q",
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parts[1].Thought, parts[1].ThoughtSignature)
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}
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if parts[1].Text != "Let me think..." {
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t.Fatalf("expected downgraded text %q, got %q", "Let me think...", parts[1].Text)
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}
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case "Gemini model - use dummy signature":
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if len(parts) != 3 {
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t.Fatalf("expected 3 parts, got %d", len(parts))
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}
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if !parts[1].Thought || parts[1].ThoughtSignature != dummyThoughtSignature {
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t.Fatalf("expected dummy thought signature, got thought=%v signature=%q",
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parts[1].Thought, parts[1].ThoughtSignature)
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}
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}
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})
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}
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}
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func TestBuildParts_ToolUseSignatureHandling(t *testing.T) {
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content := `[
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{"type": "tool_use", "id": "t1", "name": "Bash", "input": {"command": "ls"}, "signature": "sig_tool_abc"}
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]`
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t.Run("Gemini uses dummy tool_use signature", func(t *testing.T) {
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toolIDToName := make(map[string]string)
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parts, _, err := buildParts(json.RawMessage(content), toolIDToName, true)
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if err != nil {
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t.Fatalf("buildParts() error = %v", err)
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}
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if len(parts) != 1 || parts[0].FunctionCall == nil {
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t.Fatalf("expected 1 functionCall part, got %+v", parts)
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}
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if parts[0].ThoughtSignature != dummyThoughtSignature {
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t.Fatalf("expected dummy tool signature %q, got %q", dummyThoughtSignature, parts[0].ThoughtSignature)
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}
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})
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t.Run("Claude model - preserve valid signature for tool_use", func(t *testing.T) {
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toolIDToName := make(map[string]string)
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parts, _, err := buildParts(json.RawMessage(content), toolIDToName, false)
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if err != nil {
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t.Fatalf("buildParts() error = %v", err)
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}
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if len(parts) != 1 || parts[0].FunctionCall == nil {
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t.Fatalf("expected 1 functionCall part, got %+v", parts)
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}
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// Claude 模型应透传有效的 signature（Vertex/Google 需要完整签名链路）
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if parts[0].ThoughtSignature != "sig_tool_abc" {
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t.Fatalf("expected preserved tool signature %q, got %q", "sig_tool_abc", parts[0].ThoughtSignature)
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}
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})
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}
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// TestBuildTools_CustomTypeTools 测试custom类型工具转换
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func TestBuildTools_CustomTypeTools(t *testing.T) {
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tests := []struct {
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name string
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tools []ClaudeTool
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expectedLen int
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description string
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}{
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{
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name: "Standard tool format",
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tools: []ClaudeTool{
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{
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Name: "get_weather",
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Description: "Get weather information",
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InputSchema: map[string]any{
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"type": "object",
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"properties": map[string]any{
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"location": map[string]any{"type": "string"},
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},
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},
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},
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},
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expectedLen: 1,
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description: "标准工具格式应该正常转换",
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},
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{
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name: "Custom type tool (MCP format)",
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tools: []ClaudeTool{
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{
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Type: "custom",
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Name: "mcp_tool",
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Custom: &ClaudeCustomToolSpec{
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Description: "MCP tool description",
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InputSchema: map[string]any{
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"type": "object",
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"properties": map[string]any{
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"param": map[string]any{"type": "string"},
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},
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},
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},
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},
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},
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expectedLen: 1,
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description: "Custom类型工具应该从Custom字段读取description和input_schema",
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},
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{
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name: "Mixed standard and custom tools",
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tools: []ClaudeTool{
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{
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Name: "standard_tool",
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Description: "Standard tool",
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InputSchema: map[string]any{"type": "object"},
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},
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{
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Type: "custom",
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Name: "custom_tool",
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Custom: &ClaudeCustomToolSpec{
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Description: "Custom tool",
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InputSchema: map[string]any{"type": "object"},
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},
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},
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},
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expectedLen: 1, // 返回一个GeminiToolDeclaration，包含2个function declarations
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description: "混合标准和custom工具应该都能正确转换",
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},
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{
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name: "Invalid custom tool - nil Custom field",
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tools: []ClaudeTool{
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{
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Type: "custom",
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Name: "invalid_custom",
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// Custom 为 nil
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},
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},
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expectedLen: 0, // 应该被跳过
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description: "Custom字段为nil的custom工具应该被跳过",
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},
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{
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name: "Invalid custom tool - nil InputSchema",
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tools: []ClaudeTool{
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{
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Type: "custom",
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Name: "invalid_custom",
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Custom: &ClaudeCustomToolSpec{
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Description: "Invalid",
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// InputSchema 为 nil
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},
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},
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},
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expectedLen: 0, // 应该被跳过
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description: "InputSchema为nil的custom工具应该被跳过",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result := buildTools(tt.tools)
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if len(result) != tt.expectedLen {
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t.Errorf("%s: got %d tool declarations, want %d", tt.description, len(result), tt.expectedLen)
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}
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// 验证function declarations存在
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if len(result) > 0 && result[0].FunctionDeclarations != nil {
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if len(result[0].FunctionDeclarations) != len(tt.tools) {
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t.Errorf("%s: got %d function declarations, want %d",
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tt.description, len(result[0].FunctionDeclarations), len(tt.tools))
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}
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}
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})
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}
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}
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