Files
BlackBean/pigo/internal/provider/providers_test.go
T
2026-08-14 23:41:57 +08:00

228 lines
8.4 KiB
Go

package provider
import (
"context"
"encoding/json"
"io"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/smallnest/pigo/internal/agentcore"
)
// captureServer records the last request path, headers, and decoded JSON body,
// then replays a canned SSE stream. It lets the provider tests assert the wire
// shape a driver produced without a live upstream.
type captureServer struct {
srv *httptest.Server
path string
headers http.Header
body map[string]any
}
func newCaptureServer(t *testing.T, sseBody string) *captureServer {
t.Helper()
cs := &captureServer{}
cs.srv = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
cs.path = r.URL.Path
cs.headers = r.Header.Clone()
raw, _ := io.ReadAll(r.Body)
_ = json.Unmarshal(raw, &cs.body)
w.Header().Set("Content-Type", "text/event-stream")
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte(sseBody))
}))
t.Cleanup(cs.srv.Close)
return cs
}
// drainStream collects event kinds and the final message from a provider stream.
func drainStream(t *testing.T, stream *AssistantMessageEventStream) ([]string, agentcore.AssistantMessage) {
t.Helper()
var kinds []string
for ev := range stream.Events() {
kinds = append(kinds, ev.EventKind())
}
final, err := stream.Result(context.Background())
if err != nil {
t.Fatalf("stream result: %v", err)
}
return kinds, final
}
// TestOpenRouterProviderStreamsChatCompletions drives OpenRouter (the reference
// OpenAI-compatible provider) end to end: the driver must POST to
// /chat/completions with a Bearer token and stream through OpenAIDecoder.
func TestOpenRouterProviderStreamsChatCompletions(t *testing.T) {
cs := newCaptureServer(t, openaiToolCallSSE)
p := NewOpenRouterProvider(cs.srv.URL, []Model{{Provider: "openrouter", ID: "openai/gpt-4o"}})
if p.Name() != "openrouter" {
t.Errorf("name = %q, want openrouter", p.Name())
}
stream, err := p.StreamCompletion(context.Background(), CompletionRequest{
Model: "openai/gpt-4o",
Context: LlmContext{SystemPrompt: "be brief", Messages: agentcore.MessageList{agentcore.UserMessage{RoleField: agentcore.RoleUser, Content: agentcore.ContentList{agentcore.NewTextContent("hi")}}}},
Config: StreamConfig{APIKey: "sk-test"},
})
if err != nil {
t.Fatalf("StreamCompletion: %v", err)
}
kinds, final := drainStream(t, stream)
if kinds[len(kinds)-1] != StreamEventDone {
t.Errorf("last event = %q, want done", kinds[len(kinds)-1])
}
if final.StopReason != agentcore.StopReasonToolUse {
t.Errorf("stop reason = %q, want tool_use", final.StopReason)
}
// Wire assertions: path, auth header, and request body shape.
if cs.path != "/chat/completions" {
t.Errorf("path = %q, want /chat/completions", cs.path)
}
if got := cs.headers.Get("Authorization"); got != "Bearer sk-test" {
t.Errorf("auth header = %q, want Bearer sk-test", got)
}
if cs.body["stream"] != true {
t.Errorf("stream flag = %v, want true", cs.body["stream"])
}
if cs.body["model"] != "openai/gpt-4o" {
t.Errorf("model = %v, want openai/gpt-4o", cs.body["model"])
}
msgs, _ := cs.body["messages"].([]any)
if len(msgs) != 2 {
t.Fatalf("messages len = %d, want 2 (system+user)", len(msgs))
}
first, _ := msgs[0].(map[string]any)
if first["role"] != "system" || first["content"] != "be brief" {
t.Errorf("system message = %v", first)
}
}
// TestOpenRouterMissingKeyIsEarlyError verifies a missing API key is the early
// "cannot build the stream" returned error, and the provider name is named
// without leaking any value.
func TestOpenRouterMissingKeyIsEarlyError(t *testing.T) {
p := NewOpenRouterProvider("", nil)
_, err := p.StreamCompletion(context.Background(), CompletionRequest{Model: "m"})
if err == nil {
t.Fatal("missing API key must return an early error")
}
if !strings.Contains(err.Error(), "openrouter") {
t.Errorf("error should name the provider, got %v", err)
}
}
// TestOllamaProviderNoAuth verifies the local Ollama provider sends no
// Authorization header and still streams through OpenAIDecoder.
func TestOllamaProviderNoAuth(t *testing.T) {
cs := newCaptureServer(t, openaiToolCallSSE)
p := NewOllamaProvider(cs.srv.URL, []Model{{Provider: "ollama", ID: "llama3"}})
if p.Name() != "ollama" {
t.Errorf("name = %q, want ollama", p.Name())
}
// No API key configured — Ollama must not require one.
stream, err := p.StreamCompletion(context.Background(), CompletionRequest{
Model: "llama3",
Context: LlmContext{Messages: agentcore.MessageList{agentcore.UserMessage{RoleField: agentcore.RoleUser, Content: agentcore.ContentList{agentcore.NewTextContent("hi")}}}},
})
if err != nil {
t.Fatalf("StreamCompletion (no auth): %v", err)
}
_, final := drainStream(t, stream)
if final.StopReason != agentcore.StopReasonToolUse {
t.Errorf("stop reason = %q, want tool_use", final.StopReason)
}
if got := cs.headers.Get("Authorization"); got != "" {
t.Errorf("Ollama must send no auth header, got %q", got)
}
}
// TestBedrockProviderStreamsAnthropicWire verifies the Bedrock provider POSTs
// the Anthropic Messages wire format (system top-level, max_tokens present) and
// streams through AnthropicDecoder.
func TestBedrockProviderStreamsAnthropicWire(t *testing.T) {
cs := newCaptureServer(t, anthropicToolUseSSE)
p := NewBedrockProvider(cs.srv.URL, []Model{{Provider: "bedrock", ID: "anthropic.claude-3"}})
if p.Name() != "bedrock" {
t.Errorf("name = %q, want bedrock", p.Name())
}
stream, err := p.StreamCompletion(context.Background(), CompletionRequest{
Model: "anthropic.claude-3",
Context: LlmContext{SystemPrompt: "sys", Messages: agentcore.MessageList{agentcore.UserMessage{RoleField: agentcore.RoleUser, Content: agentcore.ContentList{agentcore.NewTextContent("hi")}}}},
Config: StreamConfig{APIKey: "bedrock-key"},
})
if err != nil {
t.Fatalf("StreamCompletion: %v", err)
}
kinds, _ := drainStream(t, stream)
if kinds[len(kinds)-1] != StreamEventDone {
t.Errorf("last event = %q, want done", kinds[len(kinds)-1])
}
if cs.body["system"] != "sys" {
t.Errorf("system = %v, want top-level 'sys'", cs.body["system"])
}
if cs.body["max_tokens"] == nil {
t.Error("Anthropic wire requires max_tokens")
}
if cs.body["stream"] != true {
t.Errorf("stream flag = %v, want true", cs.body["stream"])
}
}
// TestBedrockMissingKeyIsEarlyError mirrors the OpenRouter early-error check.
func TestBedrockMissingKeyIsEarlyError(t *testing.T) {
p := NewBedrockProvider("", nil)
_, err := p.StreamCompletion(context.Background(), CompletionRequest{Model: "m"})
if err == nil {
t.Fatal("missing API key must return an early error")
}
if !strings.Contains(err.Error(), "bedrock") {
t.Errorf("error should name the provider, got %v", err)
}
}
// TestNvidiaProviderStreamsChatCompletions verifies the NVIDIA NIM provider
// rides the OpenAI-compatible driver: it POSTs to /chat/completions with a
// Bearer token and streams through OpenAIDecoder, exactly like OpenRouter.
func TestNvidiaProviderStreamsChatCompletions(t *testing.T) {
cs := newCaptureServer(t, openaiToolCallSSE)
p := NewNvidiaProvider(cs.srv.URL, []Model{{Provider: "nvidia", ID: "meta/llama-3.3-70b-instruct"}})
if p.Name() != "nvidia" {
t.Errorf("name = %q, want nvidia", p.Name())
}
stream, err := p.StreamCompletion(context.Background(), CompletionRequest{
Model: "meta/llama-3.3-70b-instruct",
Context: LlmContext{Messages: agentcore.MessageList{agentcore.UserMessage{RoleField: agentcore.RoleUser, Content: agentcore.ContentList{agentcore.NewTextContent("hi")}}}},
Config: StreamConfig{APIKey: "nvapi-test"},
})
if err != nil {
t.Fatalf("StreamCompletion: %v", err)
}
kinds, _ := drainStream(t, stream)
if kinds[len(kinds)-1] != StreamEventDone {
t.Errorf("last event = %q, want done", kinds[len(kinds)-1])
}
if cs.path != "/chat/completions" {
t.Errorf("path = %q, want /chat/completions", cs.path)
}
if got := cs.headers.Get("Authorization"); got != "Bearer nvapi-test" {
t.Errorf("auth header = %q, want Bearer nvapi-test", got)
}
}
// TestNvidiaMissingKeyIsEarlyError verifies NVIDIA requires an API key and
// reports the missing key as an early error naming the provider (never a value).
func TestNvidiaMissingKeyIsEarlyError(t *testing.T) {
p := NewNvidiaProvider("", nil)
_, err := p.StreamCompletion(context.Background(), CompletionRequest{Model: "m"})
if err == nil {
t.Fatal("missing API key must return an early error")
}
if !strings.Contains(err.Error(), "nvidia") {
t.Errorf("error should name the provider, got %v", err)
}
}