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sub2api/backend/internal/pkg/apicompat/responses_anthropic_cache_creation_test.go
李建琦 6d655c9903
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Sub2API v1.0 - AI API 网关(二开初始版本,基于上游 Wei-Shaw/sub2api)
2026-08-21 18:30:13 +08:00

100 lines
2.8 KiB
Go

package apicompat
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestAnthropicUsageFromResponsesUsage_CacheCreation(t *testing.T) {
usage := &ResponsesUsage{
InputTokens: 20,
OutputTokens: 5,
CacheCreationInputTokens: 6,
InputTokensDetails: &ResponsesInputTokensDetails{
CachedTokens: 4,
},
}
got := anthropicUsageFromResponsesUsage(usage)
assert.Equal(t, 10, got.InputTokens, "input = total(20) - cache_read(4) - cache_creation(6)")
assert.Equal(t, 5, got.OutputTokens)
assert.Equal(t, 4, got.CacheReadInputTokens)
assert.Equal(t, 6, got.CacheCreationInputTokens, "cache creation must be preserved")
}
func TestAnthropicUsageFromResponsesUsage_NoCacheCreation(t *testing.T) {
usage := &ResponsesUsage{
InputTokens: 10,
OutputTokens: 5,
InputTokensDetails: &ResponsesInputTokensDetails{
CachedTokens: 3,
},
}
got := anthropicUsageFromResponsesUsage(usage)
assert.Equal(t, 7, got.InputTokens)
assert.Equal(t, 3, got.CacheReadInputTokens)
assert.Equal(t, 0, got.CacheCreationInputTokens)
}
func TestResponsesEventToAnthropicEvents_StreamingCacheCreation(t *testing.T) {
state := NewResponsesEventToAnthropicState()
state.MessageStartSent = true
completedEvt := &ResponsesStreamEvent{
Type: "response.completed",
Response: &ResponsesResponse{
Status: "completed",
Usage: &ResponsesUsage{
InputTokens: 20,
OutputTokens: 5,
CacheCreationInputTokens: 6,
InputTokensDetails: &ResponsesInputTokensDetails{
CachedTokens: 4,
},
},
},
}
events := ResponsesEventToAnthropicEvents(completedEvt, state)
var deltaEvt *AnthropicStreamEvent
for i := range events {
if events[i].Type == "message_delta" {
deltaEvt = &events[i]
break
}
}
require.NotNil(t, deltaEvt, "should have message_delta event")
require.NotNil(t, deltaEvt.Usage)
assert.Equal(t, 6, deltaEvt.Usage.CacheCreationInputTokens, "streaming cache_creation must be preserved")
assert.Equal(t, 10, deltaEvt.Usage.InputTokens, "input = 20 - 4(read) - 6(creation)")
assert.Equal(t, 4, deltaEvt.Usage.CacheReadInputTokens)
}
func TestAnthropicToResponsesResponse_CacheCreation(t *testing.T) {
resp := AnthropicResponse{
ID: "msg_test",
Type: "message",
Role: "assistant",
Model: "claude-opus-4-6",
Usage: AnthropicUsage{
InputTokens: 10,
OutputTokens: 5,
CacheReadInputTokens: 4,
CacheCreationInputTokens: 6,
},
StopReason: AnthropicStopReasonPtr("end_turn"),
}
out := AnthropicToResponsesResponse(&resp)
require.NotNil(t, out.Usage)
assert.Equal(t, 20, out.Usage.InputTokens, "total = input(10) + cache_read(4) + cache_creation(6)")
assert.Equal(t, 6, out.Usage.CacheCreationInputTokens, "cache creation must round-trip")
}