Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）
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This commit is contained in:
李建琦
@@ -0,0 +1,637 @@
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//go:build unit
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package service
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/Wei-Shaw/sub2api/internal/config"
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"github.com/gin-gonic/gin"
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"github.com/stretchr/testify/require"
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)
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// ---------------------------------------------------------------------------
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// TestShouldFailoverGeminiUpstreamError — verifies the failover decision
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// for the ErrorPolicyNone path (original logic preserved).
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// ---------------------------------------------------------------------------
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func TestShouldFailoverGeminiUpstreamError(t *testing.T) {
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svc := &GeminiMessagesCompatService{}
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tests := []struct {
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name string
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statusCode int
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expected bool
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}{
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{"401_failover", 401, true},
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{"403_failover", 403, true},
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{"429_failover", 429, true},
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{"529_failover", 529, true},
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{"500_failover", 500, true},
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{"502_failover", 502, true},
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{"503_failover", 503, true},
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{"400_no_failover", 400, false},
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{"404_no_failover", 404, false},
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{"422_no_failover", 422, false},
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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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got := svc.shouldFailoverGeminiUpstreamError(tt.statusCode)
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require.Equal(t, tt.expected, got)
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})
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}
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}
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// ---------------------------------------------------------------------------
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// TestCheckErrorPolicy_GeminiAccounts — verifies CheckErrorPolicy works
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// correctly for Gemini platform accounts (API Key type).
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// ---------------------------------------------------------------------------
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func TestCheckErrorPolicy_GeminiAccounts(t *testing.T) {
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tests := []struct {
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name string
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account *Account
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statusCode int
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body []byte
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expected ErrorPolicyResult
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}{
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{
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name: "gemini_apikey_custom_codes_hit",
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account: &Account{
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ID: 100,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"custom_error_codes_enabled": true,
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"custom_error_codes": []any{float64(429), float64(500)},
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},
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},
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statusCode: 429,
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body: []byte(`{"error":"rate limited"}`),
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expected: ErrorPolicyMatched,
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},
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{
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name: "gemini_apikey_custom_codes_miss",
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account: &Account{
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ID: 101,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"custom_error_codes_enabled": true,
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"custom_error_codes": []any{float64(429)},
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},
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},
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statusCode: 500,
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body: []byte(`{"error":"internal"}`),
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expected: ErrorPolicySkipped,
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},
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{
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name: "gemini_apikey_no_custom_codes_returns_none",
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account: &Account{
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ID: 102,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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},
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statusCode: 500,
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body: []byte(`{"error":"internal"}`),
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expected: ErrorPolicyNone,
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},
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{
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name: "gemini_apikey_temp_unschedulable_hit",
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account: &Account{
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ID: 103,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"temp_unschedulable_enabled": true,
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"temp_unschedulable_rules": []any{
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map[string]any{
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"error_code": float64(503),
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"keywords": []any{"overloaded"},
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"duration_minutes": float64(10),
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},
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},
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},
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},
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statusCode: 503,
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body: []byte(`overloaded service`),
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expected: ErrorPolicyTempUnscheduled,
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},
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{
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name: "gemini_apikey_temp_unschedulable_401_second_hit_returns_none",
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account: &Account{
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ID: 105,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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TempUnschedulableReason: `{"status_code":401,"until_unix":1735689600}`,
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Credentials: map[string]any{
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"temp_unschedulable_enabled": true,
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"temp_unschedulable_rules": []any{
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map[string]any{
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"error_code": float64(401),
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"keywords": []any{"unauthorized"},
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"duration_minutes": float64(10),
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},
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},
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},
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},
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statusCode: 401,
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body: []byte(`unauthorized`),
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expected: ErrorPolicyNone,
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},
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{
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name: "gemini_custom_codes_override_temp_unschedulable",
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account: &Account{
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ID: 104,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"custom_error_codes_enabled": true,
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"custom_error_codes": []any{float64(503)},
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"temp_unschedulable_enabled": true,
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"temp_unschedulable_rules": []any{
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map[string]any{
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"error_code": float64(503),
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"keywords": []any{"overloaded"},
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"duration_minutes": float64(10),
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},
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},
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},
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},
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statusCode: 503,
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body: []byte(`overloaded`),
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expected: ErrorPolicyMatched, // custom codes take precedence
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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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repo := &errorPolicyRepoStub{}
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svc := NewRateLimitService(repo, nil, &config.Config{}, nil, nil)
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result := svc.CheckErrorPolicy(context.Background(), tt.account, tt.statusCode, tt.body)
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require.Equal(t, tt.expected, result)
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})
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}
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}
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// ---------------------------------------------------------------------------
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// TestGeminiErrorPolicyIntegration — verifies the Gemini error handling
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// paths produce the correct behavior for each ErrorPolicyResult.
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//
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// These tests simulate the inline error policy switch in handleClaudeCompat
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// and forwardNativeGemini by calling the same methods in the same order.
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// ---------------------------------------------------------------------------
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func TestGeminiErrorPolicyIntegration(t *testing.T) {
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gin.SetMode(gin.TestMode)
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tests := []struct {
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name string
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account *Account
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statusCode int
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respBody []byte
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expectFailover bool // expect UpstreamFailoverError
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expectHandleError bool // expect handleGeminiUpstreamError to be called
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expectShouldFailover bool // for None path, whether shouldFailover triggers
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expectModelScope string
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}{
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{
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name: "custom_codes_matched_429_failover",
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account: &Account{
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ID: 200,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"custom_error_codes_enabled": true,
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"custom_error_codes": []any{float64(429)},
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},
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},
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statusCode: 429,
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respBody: []byte(`{"error":"rate limited"}`),
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expectFailover: true,
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expectHandleError: true,
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},
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{
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name: "custom_codes_skipped_500_failover",
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account: &Account{
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ID: 201,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"custom_error_codes_enabled": true,
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"custom_error_codes": []any{float64(429)},
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},
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},
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statusCode: 500,
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respBody: []byte(`{"error":"internal"}`),
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expectFailover: true,
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expectHandleError: false,
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},
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{
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name: "custom_codes_skipped_400_no_failover",
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account: &Account{
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ID: 205,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"custom_error_codes_enabled": true,
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"custom_error_codes": []any{float64(429)},
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},
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},
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statusCode: 400,
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respBody: []byte(`{"error":"bad request"}`),
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expectFailover: false,
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expectHandleError: false,
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},
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{
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name: "temp_unschedulable_matched_failover",
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account: &Account{
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ID: 202,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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Credentials: map[string]any{
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"temp_unschedulable_enabled": true,
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"temp_unschedulable_rules": []any{
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map[string]any{
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"error_code": float64(503),
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"keywords": []any{"overloaded"},
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"duration_minutes": float64(10),
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},
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},
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},
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},
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statusCode: 503,
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respBody: []byte(`overloaded`),
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expectFailover: true,
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expectHandleError: false,
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expectModelScope: "gemini-2.5-pro",
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},
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{
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name: "no_policy_429_failover_via_shouldFailover",
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account: &Account{
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ID: 203,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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},
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statusCode: 429,
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respBody: []byte(`{"error":"rate limited"}`),
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expectFailover: true,
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expectHandleError: true,
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expectShouldFailover: true,
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},
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{
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name: "no_policy_400_no_failover",
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account: &Account{
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ID: 204,
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Type: AccountTypeAPIKey,
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Platform: PlatformGemini,
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},
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statusCode: 400,
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respBody: []byte(`{"error":"bad request"}`),
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expectFailover: false,
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expectHandleError: true,
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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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repo := &geminiErrorPolicyRepo{}
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rlSvc := NewRateLimitService(repo, nil, &config.Config{}, nil, nil)
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svc := &GeminiMessagesCompatService{
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accountRepo: repo,
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rateLimitService: rlSvc,
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}
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writer := httptest.NewRecorder()
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c, _ := gin.CreateTestContext(writer)
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c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", nil)
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// Simulate the Claude compat error handling path (same logic as native).
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// This mirrors the inline switch in handleClaudeCompat.
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var handleErrorCalled bool
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var gotFailover bool
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ctx := context.Background()
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statusCode := tt.statusCode
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respBody := tt.respBody
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account := tt.account
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headers := http.Header{}
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if svc.rateLimitService != nil {
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policy := svc.rateLimitService.CheckErrorPolicy(ctx, account, statusCode, respBody, "gemini-2.5-pro")
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switch policy {
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case ErrorPolicySkipped:
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// Skipped → 不标记账号状态；可 failover 的状态码仍换号
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handleErrorCalled = false
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gotFailover = svc.skippedErrorPolicyFailoverError(c, account, statusCode, respBody, "req-test") != nil
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goto verify
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case ErrorPolicyMatched:
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svc.handleGeminiUpstreamError(ctx, account, statusCode, headers, respBody)
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handleErrorCalled = true
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gotFailover = true
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goto verify
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case ErrorPolicyTempUnscheduled:
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handleErrorCalled = false
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gotFailover = true
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goto verify
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}
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}
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// ErrorPolicyNone → original logic
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svc.handleGeminiUpstreamError(ctx, account, statusCode, headers, respBody)
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handleErrorCalled = true
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if svc.shouldFailoverGeminiUpstreamError(statusCode) {
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gotFailover = true
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}
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verify:
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require.Equal(t, tt.expectFailover, gotFailover, "failover mismatch")
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require.Equal(t, tt.expectHandleError, handleErrorCalled, "handleGeminiUpstreamError call mismatch")
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if tt.expectModelScope != "" {
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require.Equal(t, 1, repo.setModelRateLimitedCalls)
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require.Equal(t, tt.expectModelScope, repo.lastModelScope)
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require.Zero(t, repo.setTempCalls)
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require.Zero(t, repo.setRateLimitedCalls, "model temp rule must not be widened into an account rate limit")
|
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}
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|
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if tt.expectShouldFailover {
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require.True(t, svc.shouldFailoverGeminiUpstreamError(statusCode),
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"shouldFailoverGeminiUpstreamError should return true for status %d", statusCode)
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}
|
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})
|
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}
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}
|
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|
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// ---------------------------------------------------------------------------
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// TestSkippedErrorPolicyFailoverError — ErrorPolicySkipped（池模式、或自定义
|
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// 错误码未命中）不豁免换号：可 failover 的状态码返回 UpstreamFailoverError，
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// 仅池模式账号可携带同账号重试标记。
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// ---------------------------------------------------------------------------
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|
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func TestSkippedErrorPolicyFailoverError(t *testing.T) {
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gin.SetMode(gin.TestMode)
|
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svc := &GeminiMessagesCompatService{}
|
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|
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poolAccount := func(extra map[string]any) *Account {
|
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creds := map[string]any{"pool_mode": true}
|
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for k, v := range extra {
|
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creds[k] = v
|
||||
}
|
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return &Account{ID: 300, Type: AccountTypeAPIKey, Platform: PlatformGemini, Credentials: creds}
|
||||
}
|
||||
customCodesAccount := &Account{
|
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ID: 301, Type: AccountTypeAPIKey, Platform: PlatformGemini,
|
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Credentials: map[string]any{
|
||||
"custom_error_codes_enabled": true,
|
||||
"custom_error_codes": []any{float64(429)},
|
||||
},
|
||||
}
|
||||
|
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tests := []struct {
|
||||
name string
|
||||
account *Account
|
||||
statusCode int
|
||||
expectFailover bool
|
||||
expectSameAccount bool
|
||||
}{
|
||||
{"pool_500_failover_no_same_account_retry", poolAccount(nil), 500, true, false},
|
||||
{"pool_429_failover_with_same_account_retry", poolAccount(nil), 429, true, true},
|
||||
{"pool_custom_retry_codes_500", poolAccount(map[string]any{
|
||||
"pool_mode_retry_status_codes": []any{float64(500)},
|
||||
}), 500, true, true},
|
||||
{"pool_400_not_failover_worthy", poolAccount(nil), 400, false, false},
|
||||
{"custom_codes_miss_500_failover_no_same_account_retry", customCodesAccount, 500, true, false},
|
||||
{"custom_codes_miss_400_not_failover_worthy", customCodesAccount, 400, false, false},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
writer := httptest.NewRecorder()
|
||||
c, _ := gin.CreateTestContext(writer)
|
||||
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", nil)
|
||||
|
||||
body := []byte(`{"error":{"code":"bad_response_status_code","message":"openai_error"}}`)
|
||||
failoverErr := svc.skippedErrorPolicyFailoverError(c, tt.account, tt.statusCode, body, "req-1")
|
||||
|
||||
if !tt.expectFailover {
|
||||
require.Nil(t, failoverErr)
|
||||
return
|
||||
}
|
||||
require.NotNil(t, failoverErr)
|
||||
require.Equal(t, tt.statusCode, failoverErr.StatusCode)
|
||||
require.Equal(t, body, failoverErr.ResponseBody)
|
||||
require.Equal(t, tt.expectSameAccount, failoverErr.RetryableOnSameAccount)
|
||||
require.True(t, failoverErr.ShouldRetryNextAccount())
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// TestGeminiErrorPolicy_NilRateLimitService — verifies nil safety
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
func TestGeminiErrorPolicy_NilRateLimitService(t *testing.T) {
|
||||
svc := &GeminiMessagesCompatService{
|
||||
rateLimitService: nil,
|
||||
}
|
||||
|
||||
// When rateLimitService is nil, error policy is skipped → falls through to
|
||||
// shouldFailoverGeminiUpstreamError (original logic).
|
||||
// Verify this doesn't panic and follows expected behavior.
|
||||
|
||||
ctx := context.Background()
|
||||
account := &Account{
|
||||
ID: 300,
|
||||
Type: AccountTypeAPIKey,
|
||||
Platform: PlatformGemini,
|
||||
Credentials: map[string]any{
|
||||
"custom_error_codes_enabled": true,
|
||||
"custom_error_codes": []any{float64(429)},
|
||||
},
|
||||
}
|
||||
|
||||
// The nil check should prevent CheckErrorPolicy from being called
|
||||
if svc.rateLimitService != nil {
|
||||
t.Fatal("rateLimitService should be nil for this test")
|
||||
}
|
||||
|
||||
// shouldFailoverGeminiUpstreamError still works
|
||||
require.True(t, svc.shouldFailoverGeminiUpstreamError(429))
|
||||
require.False(t, svc.shouldFailoverGeminiUpstreamError(400))
|
||||
|
||||
// handleGeminiUpstreamError should not panic with nil rateLimitService
|
||||
require.NotPanics(t, func() {
|
||||
svc.handleGeminiUpstreamError(ctx, account, 500, http.Header{}, []byte(`error`))
|
||||
})
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// geminiErrorPolicyRepo — minimal AccountRepository stub for Gemini error
|
||||
// policy tests. Embeds mockAccountRepoForGemini and adds tracking.
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
func TestHandleGeminiUpstreamError_GoogleOneCapacityExhaustedUsesTierCooldown(t *testing.T) {
|
||||
repo := &rateLimit429AccountRepoStub{}
|
||||
quotaSvc := NewGeminiQuotaService(&config.Config{}, nil)
|
||||
rlSvc := NewRateLimitService(repo, nil, &config.Config{}, quotaSvc, nil)
|
||||
svc := &GeminiMessagesCompatService{
|
||||
accountRepo: repo,
|
||||
rateLimitService: rlSvc,
|
||||
}
|
||||
|
||||
account := &Account{
|
||||
ID: 511,
|
||||
Platform: PlatformGemini,
|
||||
Type: AccountTypeOAuth,
|
||||
Credentials: map[string]any{
|
||||
"oauth_type": "google_one",
|
||||
"tier_id": "google_ai_pro",
|
||||
},
|
||||
}
|
||||
body := []byte(`{"error":{"code":429,"details":[{"@type":"type.googleapis.com/google.rpc.ErrorInfo","domain":"cloudcode-pa.googleapis.com","metadata":{"model":"gemini-3.1-pro-preview"},"reason":"MODEL_CAPACITY_EXHAUSTED"}],"message":"No capacity available for model gemini-3.1-pro-preview on the server","status":"RESOURCE_EXHAUSTED"}}`)
|
||||
|
||||
before := time.Now()
|
||||
svc.handleGeminiUpstreamError(context.Background(), account, http.StatusTooManyRequests, http.Header{}, body)
|
||||
after := time.Now()
|
||||
|
||||
require.Equal(t, 1, repo.rateLimitCalls)
|
||||
require.Equal(t, int64(511), repo.lastRateLimitID)
|
||||
require.WithinDuration(t, before.Add(5*time.Minute), repo.lastRateLimitReset, 2*time.Second)
|
||||
require.True(t, repo.lastRateLimitReset.After(before))
|
||||
require.True(t, repo.lastRateLimitReset.Before(after.Add(5*time.Minute).Add(2*time.Second)))
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// TestHandleGeminiUpstreamError_PoolMode429 — 池模式账号的 429 不写账号级限流。
|
||||
//
|
||||
// 429 的标记点在重试循环内（handleClaudeCompat / forwardNativeGemini /
|
||||
// chat completions 三条路径），先于 CheckErrorPolicy 执行，池模式豁免只能落在
|
||||
// handleGeminiUpstreamError 自身；否则一次上游 429 会把账号锁到 PST 午夜，
|
||||
// 即便重试已经成功返回客户端。
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
func TestHandleGeminiUpstreamError_PoolMode429(t *testing.T) {
|
||||
// 中转上游的真实 429 文案：不含 "per day"，也没有 quotaResetDelay，
|
||||
// 解析失败后 apikey 账号会落到 PST 午夜兜底。
|
||||
body := []byte(`{"error":{"code":429,"message":"You have exhausted your capacity on this model. Your quota will reset after 6h53m10s."}}`)
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
account *Account
|
||||
expectRateLimited bool
|
||||
}{
|
||||
{
|
||||
name: "pool_mode_apikey_stays_in_pool",
|
||||
account: &Account{
|
||||
ID: 600,
|
||||
Platform: PlatformGemini,
|
||||
Type: AccountTypeAPIKey,
|
||||
Credentials: map[string]any{"pool_mode": true},
|
||||
},
|
||||
expectRateLimited: false,
|
||||
},
|
||||
{
|
||||
name: "custom_error_codes_hit_overrides_pool_mode",
|
||||
account: &Account{
|
||||
ID: 601,
|
||||
Platform: PlatformGemini,
|
||||
Type: AccountTypeAPIKey,
|
||||
Credentials: map[string]any{
|
||||
"pool_mode": true,
|
||||
"custom_error_codes_enabled": true,
|
||||
"custom_error_codes": []any{float64(429)},
|
||||
},
|
||||
},
|
||||
expectRateLimited: true,
|
||||
},
|
||||
{
|
||||
name: "custom_error_codes_miss_skips",
|
||||
account: &Account{
|
||||
ID: 602,
|
||||
Platform: PlatformGemini,
|
||||
Type: AccountTypeAPIKey,
|
||||
Credentials: map[string]any{
|
||||
"pool_mode": true,
|
||||
"custom_error_codes_enabled": true,
|
||||
"custom_error_codes": []any{float64(500)},
|
||||
},
|
||||
},
|
||||
expectRateLimited: false,
|
||||
},
|
||||
{
|
||||
name: "non_pool_apikey_still_rate_limited",
|
||||
account: &Account{
|
||||
ID: 603,
|
||||
Platform: PlatformGemini,
|
||||
Type: AccountTypeAPIKey,
|
||||
},
|
||||
expectRateLimited: true,
|
||||
},
|
||||
{
|
||||
name: "oauth_account_ignores_pool_mode_flag",
|
||||
account: &Account{
|
||||
ID: 604,
|
||||
Platform: PlatformGemini,
|
||||
Type: AccountTypeOAuth,
|
||||
Credentials: map[string]any{"pool_mode": true},
|
||||
},
|
||||
expectRateLimited: true,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
repo := &rateLimit429AccountRepoStub{}
|
||||
svc := &GeminiMessagesCompatService{
|
||||
accountRepo: repo,
|
||||
rateLimitService: NewRateLimitService(repo, nil, &config.Config{}, nil, nil),
|
||||
}
|
||||
|
||||
svc.handleGeminiUpstreamError(context.Background(), tt.account, http.StatusTooManyRequests, http.Header{}, body)
|
||||
|
||||
if !tt.expectRateLimited {
|
||||
require.Zero(t, repo.rateLimitCalls, "池模式账号不应被标记账号级限流")
|
||||
return
|
||||
}
|
||||
require.Equal(t, 1, repo.rateLimitCalls)
|
||||
require.Equal(t, tt.account.ID, repo.lastRateLimitID)
|
||||
require.True(t, repo.lastRateLimitReset.After(time.Now()))
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
type geminiErrorPolicyRepo struct {
|
||||
mockAccountRepoForGemini
|
||||
setErrorCalls int
|
||||
setRateLimitedCalls int
|
||||
setTempCalls int
|
||||
setModelRateLimitedCalls int
|
||||
lastModelScope string
|
||||
}
|
||||
|
||||
func (r *geminiErrorPolicyRepo) SetError(_ context.Context, _ int64, _ string) error {
|
||||
r.setErrorCalls++
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *geminiErrorPolicyRepo) SetRateLimited(_ context.Context, _ int64, _ time.Time) error {
|
||||
r.setRateLimitedCalls++
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *geminiErrorPolicyRepo) SetTempUnschedulable(_ context.Context, _ int64, _ time.Time, _ string) error {
|
||||
r.setTempCalls++
|
||||
return nil
|
||||
}
|
||||
|
||||
func (r *geminiErrorPolicyRepo) SetModelRateLimit(_ context.Context, _ int64, scope string, _ time.Time, _ ...string) error {
|
||||
r.setModelRateLimitedCalls++
|
||||
r.lastModelScope = scope
|
||||
return nil
|
||||
}
|
||||
Reference in New Issue
Block a user