实现统一模型 ID 格式 (provider_id/model_name),支持跨协议模型标识和 Smart Passthrough。 核心变更: - 新增 pkg/modelid 包:解析、格式化、校验统一模型 ID - 数据库迁移:models 表使用 UUID 主键 + UNIQUE(provider_id, model_name) 约束 - Repository 层:FindByProviderAndModelName、ListEnabled 方法 - Service 层:联合唯一校验、provider ID 字符集校验 - Conversion 层:ExtractModelName、RewriteRequestModelName/RewriteResponseModelName 方法 - Handler 层:统一模型 ID 路由、Smart Passthrough、Models API 本地聚合 - 新增 error-responses、unified-model-id 规范 测试覆盖: - 单元测试:modelid、conversion、handler、service、repository - 集成测试:统一模型 ID 路由、Smart Passthrough 保真性、跨协议转换 - 迁移测试:UUID 主键、UNIQUE 约束、级联删除 OpenSpec: - 归档 unified-model-id 变更到 archive/2026-04-21-unified-model-id - 同步 11 个 delta specs 到 main specs - 新增 error-responses、unified-model-id 规范文件
264 lines
8.7 KiB
Go
264 lines
8.7 KiB
Go
package anthropic
|
|
|
|
import (
|
|
"encoding/json"
|
|
"testing"
|
|
|
|
"nex/backend/internal/conversion"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// ExtractUnifiedModelID
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestExtractUnifiedModelID(t *testing.T) {
|
|
a := NewAdapter()
|
|
|
|
t.Run("standard_path", func(t *testing.T) {
|
|
id, err := a.ExtractUnifiedModelID("/v1/models/anthropic/claude-3")
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "anthropic/claude-3", id)
|
|
})
|
|
|
|
t.Run("multi_segment_path", func(t *testing.T) {
|
|
id, err := a.ExtractUnifiedModelID("/v1/models/some/deep/nested/model")
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "some/deep/nested/model", id)
|
|
})
|
|
|
|
t.Run("single_segment", func(t *testing.T) {
|
|
id, err := a.ExtractUnifiedModelID("/v1/models/claude-3")
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "claude-3", id)
|
|
})
|
|
|
|
t.Run("non_model_path", func(t *testing.T) {
|
|
_, err := a.ExtractUnifiedModelID("/v1/messages")
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("empty_suffix", func(t *testing.T) {
|
|
_, err := a.ExtractUnifiedModelID("/v1/models/")
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("models_list_no_slash", func(t *testing.T) {
|
|
_, err := a.ExtractUnifiedModelID("/v1/models")
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("unrelated_path", func(t *testing.T) {
|
|
_, err := a.ExtractUnifiedModelID("/v1/other")
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// ExtractModelName (Chat only for Anthropic)
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestExtractModelName(t *testing.T) {
|
|
a := NewAdapter()
|
|
|
|
t.Run("chat", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3","messages":[]}`)
|
|
model, err := a.ExtractModelName(body, conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "anthropic/claude-3", model)
|
|
})
|
|
|
|
t.Run("chat_with_max_tokens", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3-opus","messages":[{"role":"user","content":"hi"}],"max_tokens":1024}`)
|
|
model, err := a.ExtractModelName(body, conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "anthropic/claude-3-opus", model)
|
|
})
|
|
|
|
t.Run("no_model_field", func(t *testing.T) {
|
|
body := []byte(`{"messages":[]}`)
|
|
_, err := a.ExtractModelName(body, conversion.InterfaceTypeChat)
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("invalid_json", func(t *testing.T) {
|
|
body := []byte(`{invalid}`)
|
|
_, err := a.ExtractModelName(body, conversion.InterfaceTypeChat)
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("unsupported_interface_type_embedding", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3"}`)
|
|
_, err := a.ExtractModelName(body, conversion.InterfaceTypeEmbeddings)
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("unsupported_interface_type_rerank", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3"}`)
|
|
_, err := a.ExtractModelName(body, conversion.InterfaceTypeRerank)
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// RewriteRequestModelName (Chat only for Anthropic)
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestRewriteRequestModelName(t *testing.T) {
|
|
a := NewAdapter()
|
|
|
|
t.Run("chat", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3","messages":[]}`)
|
|
rewritten, err := a.RewriteRequestModelName(body, "claude-3", conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
|
|
var m map[string]interface{}
|
|
require.NoError(t, json.Unmarshal(rewritten, &m))
|
|
assert.Equal(t, "claude-3", m["model"])
|
|
|
|
msgs, ok := m["messages"]
|
|
require.True(t, ok)
|
|
msgsArr, ok := msgs.([]interface{})
|
|
require.True(t, ok)
|
|
assert.Len(t, msgsArr, 0)
|
|
})
|
|
|
|
t.Run("preserves_unknown_fields", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3","max_tokens":1024,"temperature":0.7}`)
|
|
rewritten, err := a.RewriteRequestModelName(body, "claude-3", conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
|
|
var m map[string]interface{}
|
|
require.NoError(t, json.Unmarshal(rewritten, &m))
|
|
assert.Equal(t, "claude-3", m["model"])
|
|
assert.Equal(t, 0.7, m["temperature"])
|
|
|
|
// max_tokens is encoded as float in JSON numbers
|
|
maxTokens, ok := m["max_tokens"]
|
|
require.True(t, ok)
|
|
assert.Equal(t, float64(1024), maxTokens)
|
|
})
|
|
|
|
t.Run("no_model_field", func(t *testing.T) {
|
|
body := []byte(`{"messages":[]}`)
|
|
_, err := a.RewriteRequestModelName(body, "claude-3", conversion.InterfaceTypeChat)
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("invalid_json", func(t *testing.T) {
|
|
body := []byte(`{invalid}`)
|
|
_, err := a.RewriteRequestModelName(body, "claude-3", conversion.InterfaceTypeChat)
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("unsupported_interface_type", func(t *testing.T) {
|
|
body := []byte(`{"model":"anthropic/claude-3"}`)
|
|
_, err := a.RewriteRequestModelName(body, "claude-3", conversion.InterfaceTypeEmbeddings)
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// RewriteResponseModelName (Chat only for Anthropic)
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestRewriteResponseModelName(t *testing.T) {
|
|
a := NewAdapter()
|
|
|
|
t.Run("chat_existing_model", func(t *testing.T) {
|
|
body := []byte(`{"model":"claude-3","content":[],"stop_reason":"end_turn"}`)
|
|
rewritten, err := a.RewriteResponseModelName(body, "anthropic/claude-3", conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
|
|
var m map[string]interface{}
|
|
require.NoError(t, json.Unmarshal(rewritten, &m))
|
|
assert.Equal(t, "anthropic/claude-3", m["model"])
|
|
|
|
// other fields preserved
|
|
_, hasContent := m["content"]
|
|
assert.True(t, hasContent)
|
|
assert.Equal(t, "end_turn", m["stop_reason"])
|
|
})
|
|
|
|
t.Run("chat_without_model_field_adds_it", func(t *testing.T) {
|
|
body := []byte(`{"content":[],"stop_reason":"end_turn"}`)
|
|
rewritten, err := a.RewriteResponseModelName(body, "anthropic/claude-3", conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
|
|
var m map[string]interface{}
|
|
require.NoError(t, json.Unmarshal(rewritten, &m))
|
|
assert.Equal(t, "anthropic/claude-3", m["model"])
|
|
})
|
|
|
|
t.Run("passthrough_returns_body_unchanged", func(t *testing.T) {
|
|
body := []byte(`{"model":"claude-3"}`)
|
|
rewritten, err := a.RewriteResponseModelName(body, "anthropic/claude-3", conversion.InterfaceTypePassthrough)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, string(body), string(rewritten))
|
|
})
|
|
|
|
t.Run("invalid_json", func(t *testing.T) {
|
|
body := []byte(`{invalid}`)
|
|
_, err := a.RewriteResponseModelName(body, "anthropic/claude-3", conversion.InterfaceTypeChat)
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// ExtractModelName and RewriteRequest consistency
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestExtractModelNameAndRewriteRequestConsistency(t *testing.T) {
|
|
a := NewAdapter()
|
|
|
|
t.Run("chat_round_trip", func(t *testing.T) {
|
|
original := []byte(`{"model":"anthropic/claude-3","messages":[],"max_tokens":1024}`)
|
|
|
|
// Extract the unified model ID from the body
|
|
extracted, err := a.ExtractModelName(original, conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "anthropic/claude-3", extracted)
|
|
|
|
// Rewrite to the native model name
|
|
rewritten, err := a.RewriteRequestModelName(original, "claude-3", conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
|
|
// Extract again from the rewritten body to verify the same location was targeted
|
|
afterRewrite, err := a.ExtractModelName(rewritten, conversion.InterfaceTypeChat)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "claude-3", afterRewrite)
|
|
|
|
// Verify other fields are preserved
|
|
var m map[string]interface{}
|
|
require.NoError(t, json.Unmarshal(rewritten, &m))
|
|
assert.Equal(t, float64(1024), m["max_tokens"])
|
|
})
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// isModelInfoPath (additional unified model ID cases)
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestIsModelInfoPath_UnifiedModelID(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
path string
|
|
expected bool
|
|
}{
|
|
{"simple_model_id", "/v1/models/claude-3", true},
|
|
{"unified_model_id_with_slash", "/v1/models/anthropic/claude-3", true},
|
|
{"models_list", "/v1/models", false},
|
|
{"models_list_trailing_slash", "/v1/models/", false},
|
|
{"messages_path", "/v1/messages", false},
|
|
{"deeply_nested", "/v1/models/org/workspace/claude-3-opus", true},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
assert.Equal(t, tt.expected, isModelInfoPath(tt.path))
|
|
})
|
|
}
|
|
}
|