Files
audita/internal/framework/llm/instructor_client_test.go

283 lines
7.8 KiB
Go

package llm
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"sync/atomic"
"testing"
"time"
"gitea.maximumdirect.net/eric/audita/internal/framework/contracts"
openai "github.com/sashabaranov/go-openai"
)
func TestNewInstructorClientValidation(t *testing.T) {
_, err := NewInstructorClient(InstructorClientConfig{
BaseURL: " ",
Model: "x",
})
if err == nil || !strings.Contains(err.Error(), "base URL") {
t.Fatalf("expected base URL validation error, got %v", err)
}
_, err = NewInstructorClient(InstructorClientConfig{
BaseURL: "http://localhost:1234/v1",
Model: " ",
})
if err == nil || !strings.Contains(err.Error(), "model") {
t.Fatalf("expected model validation error, got %v", err)
}
_, err = NewInstructorClient(InstructorClientConfig{
BaseURL: "http://localhost:1234/v1",
Model: "test-model",
MaxRetries: -1,
})
if err == nil || !strings.Contains(err.Error(), "max retries") {
t.Fatalf("expected retries validation error, got %v", err)
}
_, err = NewInstructorClient(InstructorClientConfig{
BaseURL: "http://localhost:1234/v1",
Model: "test-model",
Mode: "unsupported",
})
if err == nil || !strings.Contains(err.Error(), "unsupported LLM mode") {
t.Fatalf("expected mode validation error, got %v", err)
}
}
func TestInstructorClientCompleteStructuredSuccessNoAPIKey(t *testing.T) {
var seenPath string
var seenHost string
var seenAuth string
var seenModel string
client, err := NewInstructorClient(InstructorClientConfig{
BaseURL: "https://local-compat.example/v1",
Model: "test-model",
HTTPClient: &http.Client{
Transport: roundTripFunc(func(r *http.Request) (*http.Response, error) {
seenPath = r.URL.Path
seenHost = r.URL.Host
seenAuth = r.Header.Get("Authorization")
var req map[string]any
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
t.Fatalf("decode request: %v", err)
}
model, _ := req["model"].(string)
seenModel = model
return newJSONHTTPResponse(http.StatusOK, chatCompletionResponseBody(`{"name":"Robby","age":22}`)), nil
}),
},
})
if err != nil {
t.Fatalf("NewInstructorClient: %v", err)
}
type person struct {
Name string `json:"name"`
Age int `json:"age"`
}
var out person
resp, err := client.CompleteStructured(context.Background(), contracts.StructuredCompletionRequest{
StageName: "proposal:test",
Messages: []contracts.LLMMessage{
{Role: openai.ChatMessageRoleUser, Content: "extract person"},
},
}, &out)
if err != nil {
t.Fatalf("CompleteStructured: %v", err)
}
if seenPath != "/v1/chat/completions" {
t.Fatalf("unexpected request path: %q", seenPath)
}
if seenHost != "local-compat.example" {
t.Fatalf("unexpected request host: %q", seenHost)
}
if seenModel != "test-model" {
t.Fatalf("unexpected model: %q", seenModel)
}
if seenAuth != "" {
t.Fatalf("expected empty Authorization header for empty API key, got %q", seenAuth)
}
if out.Name != "Robby" || out.Age != 22 {
t.Fatalf("unexpected output: %+v", out)
}
if resp.Provider != "openai-compatible" || resp.Model != "test-model" {
t.Fatalf("unexpected response metadata: %+v", resp)
}
if resp.TotalTokens != 18 || resp.PromptTokens != 11 || resp.CompletionTokens != 7 {
t.Fatalf("unexpected usage metadata: %+v", resp)
}
}
func TestInstructorClientRetriesOnMalformedJSON(t *testing.T) {
var attempts int32
client, err := NewInstructorClient(InstructorClientConfig{
BaseURL: "https://retry.example/v1",
Model: "test-model",
MaxRetries: 1,
HTTPClient: &http.Client{
Transport: roundTripFunc(func(r *http.Request) (*http.Response, error) {
current := atomic.AddInt32(&attempts, 1)
if current == 1 {
return newJSONHTTPResponse(http.StatusOK, chatCompletionResponseBody(`{"name":"broken"`)), nil
}
return newJSONHTTPResponse(http.StatusOK, chatCompletionResponseBody(`{"name":"Recovered","age":30}`)), nil
}),
},
})
if err != nil {
t.Fatalf("NewInstructorClient: %v", err)
}
type person struct {
Name string `json:"name"`
Age int `json:"age"`
}
var out person
_, err = client.CompleteStructured(context.Background(), contracts.StructuredCompletionRequest{
Messages: []contracts.LLMMessage{
{Role: openai.ChatMessageRoleUser, Content: "extract person"},
},
}, &out)
if err != nil {
t.Fatalf("CompleteStructured: %v", err)
}
if out.Name != "Recovered" || out.Age != 30 {
t.Fatalf("unexpected output after retry: %+v", out)
}
if got := atomic.LoadInt32(&attempts); got != 2 {
t.Fatalf("expected 2 attempts, got %d", got)
}
}
func TestInstructorClientContextDeadlinePropagates(t *testing.T) {
client, err := NewInstructorClient(InstructorClientConfig{
BaseURL: "https://slow.example/v1",
Model: "test-model",
HTTPClient: &http.Client{
Transport: roundTripFunc(func(r *http.Request) (*http.Response, error) {
select {
case <-r.Context().Done():
return nil, r.Context().Err()
case <-time.After(250 * time.Millisecond):
return newJSONHTTPResponse(http.StatusOK, chatCompletionResponseBody(`{"name":"slow","age":1}`)), nil
}
}),
},
})
if err != nil {
t.Fatalf("NewInstructorClient: %v", err)
}
type person struct {
Name string `json:"name"`
}
var out person
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Millisecond)
defer cancel()
_, err = client.CompleteStructured(ctx, contracts.StructuredCompletionRequest{
Messages: []contracts.LLMMessage{
{Role: openai.ChatMessageRoleUser, Content: "extract person"},
},
}, &out)
if err == nil {
t.Fatalf("expected context deadline error")
}
if !strings.Contains(strings.ToLower(err.Error()), "context deadline") {
t.Fatalf("expected deadline-related error, got %v", err)
}
}
func TestInstructorClientSanitizesAPIKeyInErrors(t *testing.T) {
apiKey := "super-secret-key"
client := &InstructorClient{
cfg: InstructorClientConfig{
BaseURL: "http://localhost:1234/v1",
Model: "test-model",
APIKey: apiKey,
Mode: ModeJSON,
},
client: fakeChatCompletionClient{
err: fmt.Errorf("provider failed with Authorization: Bearer %s", apiKey),
},
}
var out map[string]any
_, err := client.CompleteStructured(context.Background(), contracts.StructuredCompletionRequest{
Messages: []contracts.LLMMessage{
{Role: openai.ChatMessageRoleUser, Content: "extract"},
},
}, &out)
if err == nil {
t.Fatalf("expected error")
}
if strings.Contains(err.Error(), apiKey) {
t.Fatalf("error leaked API key: %v", err)
}
if !strings.Contains(err.Error(), "[REDACTED]") {
t.Fatalf("expected redaction marker in error: %v", err)
}
}
type fakeChatCompletionClient struct {
err error
}
func (f fakeChatCompletionClient) CreateChatCompletion(ctx context.Context, request openai.ChatCompletionRequest, responseType any) (response openai.ChatCompletionResponse, err error) {
_ = ctx
_ = request
_ = responseType
return openai.ChatCompletionResponse{}, f.err
}
type roundTripFunc func(*http.Request) (*http.Response, error)
func (f roundTripFunc) RoundTrip(r *http.Request) (*http.Response, error) {
return f(r)
}
func newJSONHTTPResponse(status int, body string) *http.Response {
return &http.Response{
StatusCode: status,
Header: http.Header{"Content-Type": []string{"application/json"}},
Body: io.NopCloser(strings.NewReader(body)),
}
}
func chatCompletionResponseBody(content string) string {
body, _ := json.Marshal(map[string]any{
"id": "chatcmpl-test",
"object": "chat.completion",
"created": 12345,
"model": "test-model",
"choices": []map[string]any{
{
"index": 0,
"message": map[string]any{
"role": "assistant",
"content": content,
},
"finish_reason": "stop",
},
},
"usage": map[string]any{
"prompt_tokens": 11,
"completion_tokens": 7,
"total_tokens": 18,
},
})
return string(body)
}