Files
sub2api/backend/internal/pkg/antigravity/request_transformer_test.go
ianshaw 26438f7232 feat(antigravity): 增强网关功能和 thinking 块处理
主要改进:
- 优化 thinking blocks 过滤策略,支持 Auto 模式降级
- 将无效 thinking block 内容转为普通 text
- 保留单个空白 text block,不过滤
- 重构配额刷新机制,统一与 Claude 一致
- 支持 cachedContentTokenCount 映射到 cache_read_input_tokens
- Haiku 模型映射到 Sonnet
- 添加 /antigravity/v1/models 端点支持
- countTokens 端点直接返回空值
2026-01-03 06:29:02 -08:00

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package antigravity
import (
"encoding/json"
"testing"
)
// TestBuildParts_ThinkingBlockWithoutSignature 测试thinking block无signature时的处理
func TestBuildParts_ThinkingBlockWithoutSignature(t *testing.T) {
tests := []struct {
name string
content string
thoughtMode thoughtSignatureMode
expectedParts int
description string
}{
{
name: "Claude model - drop thinking without signature",
content: `[
{"type": "text", "text": "Hello"},
{"type": "thinking", "thinking": "Let me think...", "signature": ""},
{"type": "text", "text": "World"}
]`,
thoughtMode: thoughtSignatureModePreserve,
expectedParts: 2, // thinking 内容被丢弃
description: "Claude模型应丢弃无signature的thinking block内容",
},
{
name: "Claude model - preserve thinking block with signature",
content: `[
{"type": "text", "text": "Hello"},
{"type": "thinking", "thinking": "Let me think...", "signature": "sig_real_123"},
{"type": "text", "text": "World"}
]`,
thoughtMode: thoughtSignatureModePreserve,
expectedParts: 3,
description: "Claude模型应透传带 signature 的 thinking block用于 Vertex 签名链路)",
},
{
name: "Gemini model - use dummy signature",
content: `[
{"type": "text", "text": "Hello"},
{"type": "thinking", "thinking": "Let me think...", "signature": ""},
{"type": "text", "text": "World"}
]`,
thoughtMode: thoughtSignatureModeDummy,
expectedParts: 3, // 三个block都保留thinking使用dummy signature
description: "Gemini模型应该为无signature的thinking block使用dummy signature",
},
{
name: "Claude model - signature-only thinking block becomes signature-only part",
content: `[
{"type": "text", "text": "Hello"},
{"type": "thinking", "thinking": "", "signature": "sig_only_456"},
{"type": "text", "text": "World"}
]`,
thoughtMode: thoughtSignatureModePreserve,
expectedParts: 3,
description: "Claude模型应将空 thinking + signature 映射为 signature-only part便于 roundtrip",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
toolIDToName := make(map[string]string)
parts, err := buildParts(json.RawMessage(tt.content), toolIDToName, tt.thoughtMode)
if err != nil {
t.Fatalf("buildParts() error = %v", err)
}
if len(parts) != tt.expectedParts {
t.Errorf("%s: got %d parts, want %d parts", tt.description, len(parts), tt.expectedParts)
}
switch tt.name {
case "Claude model - preserve thinking block with signature":
if len(parts) != 3 {
t.Fatalf("expected 3 parts, got %d", len(parts))
}
if !parts[1].Thought || parts[1].ThoughtSignature != "sig_real_123" {
t.Fatalf("expected thought part with signature sig_real_123, got thought=%v signature=%q",
parts[1].Thought, parts[1].ThoughtSignature)
}
case "Claude model - signature-only thinking block becomes signature-only part":
if len(parts) != 3 {
t.Fatalf("expected 3 parts, got %d", len(parts))
}
if parts[1].Thought || parts[1].Text != "" || parts[1].ThoughtSignature != "sig_only_456" {
t.Fatalf("expected signature-only part, got thought=%v text=%q signature=%q",
parts[1].Thought, parts[1].Text, parts[1].ThoughtSignature)
}
case "Gemini model - use dummy signature":
if len(parts) != 3 {
t.Fatalf("expected 3 parts, got %d", len(parts))
}
if !parts[1].Thought || parts[1].ThoughtSignature != dummyThoughtSignature {
t.Fatalf("expected dummy thought signature, got thought=%v signature=%q",
parts[1].Thought, parts[1].ThoughtSignature)
}
}
})
}
}
func TestBuildParts_ToolUseSignatureHandling(t *testing.T) {
content := `[
{"type": "tool_use", "id": "t1", "name": "Bash", "input": {"command": "ls"}, "signature": "sig_tool_abc"}
]`
t.Run("Claude preserve tool_use signature", func(t *testing.T) {
toolIDToName := make(map[string]string)
parts, err := buildParts(json.RawMessage(content), toolIDToName, thoughtSignatureModePreserve)
if err != nil {
t.Fatalf("buildParts() error = %v", err)
}
if len(parts) != 1 || parts[0].FunctionCall == nil {
t.Fatalf("expected 1 functionCall part, got %+v", parts)
}
if parts[0].ThoughtSignature != "sig_tool_abc" {
t.Fatalf("expected tool signature sig_tool_abc, got %q", parts[0].ThoughtSignature)
}
})
t.Run("Gemini uses dummy tool_use signature", func(t *testing.T) {
toolIDToName := make(map[string]string)
parts, err := buildParts(json.RawMessage(content), toolIDToName, thoughtSignatureModeDummy)
if err != nil {
t.Fatalf("buildParts() error = %v", err)
}
if len(parts) != 1 || parts[0].FunctionCall == nil {
t.Fatalf("expected 1 functionCall part, got %+v", parts)
}
if parts[0].ThoughtSignature != dummyThoughtSignature {
t.Fatalf("expected dummy tool signature %q, got %q", dummyThoughtSignature, parts[0].ThoughtSignature)
}
})
}
// TestBuildTools_CustomTypeTools 测试custom类型工具转换
func TestBuildTools_CustomTypeTools(t *testing.T) {
tests := []struct {
name string
tools []ClaudeTool
expectedLen int
description string
}{
{
name: "Standard tool format",
tools: []ClaudeTool{
{
Name: "get_weather",
Description: "Get weather information",
InputSchema: map[string]any{
"type": "object",
"properties": map[string]any{
"location": map[string]any{"type": "string"},
},
},
},
},
expectedLen: 1,
description: "标准工具格式应该正常转换",
},
{
name: "Custom type tool (MCP format)",
tools: []ClaudeTool{
{
Type: "custom",
Name: "mcp_tool",
Custom: &ClaudeCustomToolSpec{
Description: "MCP tool description",
InputSchema: map[string]any{
"type": "object",
"properties": map[string]any{
"param": map[string]any{"type": "string"},
},
},
},
},
},
expectedLen: 1,
description: "Custom类型工具应该从Custom字段读取description和input_schema",
},
{
name: "Mixed standard and custom tools",
tools: []ClaudeTool{
{
Name: "standard_tool",
Description: "Standard tool",
InputSchema: map[string]any{"type": "object"},
},
{
Type: "custom",
Name: "custom_tool",
Custom: &ClaudeCustomToolSpec{
Description: "Custom tool",
InputSchema: map[string]any{"type": "object"},
},
},
},
expectedLen: 1, // 返回一个GeminiToolDeclaration包含2个function declarations
description: "混合标准和custom工具应该都能正确转换",
},
{
name: "Invalid custom tool - nil Custom field",
tools: []ClaudeTool{
{
Type: "custom",
Name: "invalid_custom",
// Custom 为 nil
},
},
expectedLen: 0, // 应该被跳过
description: "Custom字段为nil的custom工具应该被跳过",
},
{
name: "Invalid custom tool - nil InputSchema",
tools: []ClaudeTool{
{
Type: "custom",
Name: "invalid_custom",
Custom: &ClaudeCustomToolSpec{
Description: "Invalid",
// InputSchema 为 nil
},
},
},
expectedLen: 0, // 应该被跳过
description: "InputSchema为nil的custom工具应该被跳过",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := buildTools(tt.tools)
if len(result) != tt.expectedLen {
t.Errorf("%s: got %d tool declarations, want %d", tt.description, len(result), tt.expectedLen)
}
// 验证function declarations存在
if len(result) > 0 && result[0].FunctionDeclarations != nil {
if len(result[0].FunctionDeclarations) != len(tt.tools) {
t.Errorf("%s: got %d function declarations, want %d",
tt.description, len(result[0].FunctionDeclarations), len(tt.tools))
}
}
})
}
}