OpenAI: Function Based Testing (#5752)

* distinguish error forwarding

* more coverage

* rm comment
This commit is contained in:
royjhan 2024-07-19 11:37:12 -07:00 committed by GitHub
parent 51b2fd299c
commit c57317cbf0
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 279 additions and 183 deletions

View file

@ -877,6 +877,7 @@ func ChatMiddleware() gin.HandlerFunc {
chatReq, err := fromChatRequest(req)
if err != nil {
c.AbortWithStatusJSON(http.StatusBadRequest, NewError(http.StatusBadRequest, err.Error()))
return
}
if err := json.NewEncoder(&b).Encode(chatReq); err != nil {

View file

@ -20,113 +20,59 @@ const prefix = `data:image/jpeg;base64,`
const image = `iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=`
const imageURL = prefix + image
func TestMiddlewareRequests(t *testing.T) {
func prepareRequest(req *http.Request, body any) {
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
}
func captureRequestMiddleware(capturedRequest any) gin.HandlerFunc {
return func(c *gin.Context) {
bodyBytes, _ := io.ReadAll(c.Request.Body)
c.Request.Body = io.NopCloser(bytes.NewReader(bodyBytes))
err := json.Unmarshal(bodyBytes, capturedRequest)
if err != nil {
c.AbortWithStatusJSON(http.StatusInternalServerError, "failed to unmarshal request")
}
c.Next()
}
}
func TestChatMiddleware(t *testing.T) {
type testCase struct {
Name string
Method string
Path string
Handler func() gin.HandlerFunc
Setup func(t *testing.T, req *http.Request)
Expected func(t *testing.T, req *http.Request)
Expected func(t *testing.T, req *api.ChatRequest, resp *httptest.ResponseRecorder)
}
var capturedRequest *http.Request
captureRequestMiddleware := func() gin.HandlerFunc {
return func(c *gin.Context) {
bodyBytes, _ := io.ReadAll(c.Request.Body)
c.Request.Body = io.NopCloser(bytes.NewReader(bodyBytes))
capturedRequest = c.Request
c.Next()
}
}
var capturedRequest *api.ChatRequest
testCases := []testCase{
{
Name: "chat handler",
Method: http.MethodPost,
Path: "/api/chat",
Handler: ChatMiddleware,
Name: "chat handler",
Setup: func(t *testing.T, req *http.Request) {
body := ChatCompletionRequest{
Model: "test-model",
Messages: []Message{{Role: "user", Content: "Hello"}},
}
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *http.Request) {
var chatReq api.ChatRequest
if err := json.NewDecoder(req.Body).Decode(&chatReq); err != nil {
t.Fatal(err)
Expected: func(t *testing.T, req *api.ChatRequest, resp *httptest.ResponseRecorder) {
if resp.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", resp.Code)
}
if chatReq.Messages[0].Role != "user" {
t.Fatalf("expected 'user', got %s", chatReq.Messages[0].Role)
if req.Messages[0].Role != "user" {
t.Fatalf("expected 'user', got %s", req.Messages[0].Role)
}
if chatReq.Messages[0].Content != "Hello" {
t.Fatalf("expected 'Hello', got %s", chatReq.Messages[0].Content)
if req.Messages[0].Content != "Hello" {
t.Fatalf("expected 'Hello', got %s", req.Messages[0].Content)
}
},
},
{
Name: "completions handler",
Method: http.MethodPost,
Path: "/api/generate",
Handler: CompletionsMiddleware,
Setup: func(t *testing.T, req *http.Request) {
temp := float32(0.8)
body := CompletionRequest{
Model: "test-model",
Prompt: "Hello",
Temperature: &temp,
Stop: []string{"\n", "stop"},
Suffix: "suffix",
}
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
},
Expected: func(t *testing.T, req *http.Request) {
var genReq api.GenerateRequest
if err := json.NewDecoder(req.Body).Decode(&genReq); err != nil {
t.Fatal(err)
}
if genReq.Prompt != "Hello" {
t.Fatalf("expected 'Hello', got %s", genReq.Prompt)
}
if genReq.Options["temperature"] != 1.6 {
t.Fatalf("expected 1.6, got %f", genReq.Options["temperature"])
}
stopTokens, ok := genReq.Options["stop"].([]any)
if !ok {
t.Fatalf("expected stop tokens to be a list")
}
if stopTokens[0] != "\n" || stopTokens[1] != "stop" {
t.Fatalf("expected ['\\n', 'stop'], got %v", stopTokens)
}
if genReq.Suffix != "suffix" {
t.Fatalf("expected 'suffix', got %s", genReq.Suffix)
}
},
},
{
Name: "chat handler with image content",
Method: http.MethodPost,
Path: "/api/chat",
Handler: ChatMiddleware,
Name: "chat handler with image content",
Setup: func(t *testing.T, req *http.Request) {
body := ChatCompletionRequest{
Model: "test-model",
@ -139,91 +85,254 @@ func TestMiddlewareRequests(t *testing.T) {
},
},
}
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *http.Request) {
var chatReq api.ChatRequest
if err := json.NewDecoder(req.Body).Decode(&chatReq); err != nil {
t.Fatal(err)
Expected: func(t *testing.T, req *api.ChatRequest, resp *httptest.ResponseRecorder) {
if resp.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", resp.Code)
}
if chatReq.Messages[0].Role != "user" {
t.Fatalf("expected 'user', got %s", chatReq.Messages[0].Role)
if req.Messages[0].Role != "user" {
t.Fatalf("expected 'user', got %s", req.Messages[0].Role)
}
if chatReq.Messages[0].Content != "Hello" {
t.Fatalf("expected 'Hello', got %s", chatReq.Messages[0].Content)
if req.Messages[0].Content != "Hello" {
t.Fatalf("expected 'Hello', got %s", req.Messages[0].Content)
}
img, _ := base64.StdEncoding.DecodeString(imageURL[len(prefix):])
if chatReq.Messages[1].Role != "user" {
t.Fatalf("expected 'user', got %s", chatReq.Messages[1].Role)
if req.Messages[1].Role != "user" {
t.Fatalf("expected 'user', got %s", req.Messages[1].Role)
}
if !bytes.Equal(chatReq.Messages[1].Images[0], img) {
t.Fatalf("expected image encoding, got %s", chatReq.Messages[1].Images[0])
if !bytes.Equal(req.Messages[1].Images[0], img) {
t.Fatalf("expected image encoding, got %s", req.Messages[1].Images[0])
}
},
},
{
Name: "embed handler single input",
Method: http.MethodPost,
Path: "/api/embed",
Handler: EmbeddingsMiddleware,
Name: "chat handler with tools",
Setup: func(t *testing.T, req *http.Request) {
body := ChatCompletionRequest{
Model: "test-model",
Messages: []Message{
{Role: "user", Content: "What's the weather like in Paris Today?"},
{Role: "assistant", ToolCalls: []ToolCall{{
ID: "id",
Type: "function",
Function: struct {
Name string `json:"name"`
Arguments string `json:"arguments"`
}{
Name: "get_current_weather",
Arguments: "{\"location\": \"Paris, France\", \"format\": \"celsius\"}",
},
}}},
},
}
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *api.ChatRequest, resp *httptest.ResponseRecorder) {
if resp.Code != 200 {
t.Fatalf("expected 200, got %d", resp.Code)
}
if req.Messages[0].Content != "What's the weather like in Paris Today?" {
t.Fatalf("expected What's the weather like in Paris Today?, got %s", req.Messages[0].Content)
}
if req.Messages[1].ToolCalls[0].Function.Arguments["location"] != "Paris, France" {
t.Fatalf("expected 'Paris, France', got %v", req.Messages[1].ToolCalls[0].Function.Arguments["location"])
}
if req.Messages[1].ToolCalls[0].Function.Arguments["format"] != "celsius" {
t.Fatalf("expected celsius, got %v", req.Messages[1].ToolCalls[0].Function.Arguments["format"])
}
},
},
{
Name: "chat handler error forwarding",
Setup: func(t *testing.T, req *http.Request) {
body := ChatCompletionRequest{
Model: "test-model",
Messages: []Message{{Role: "user", Content: 2}},
}
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *api.ChatRequest, resp *httptest.ResponseRecorder) {
if resp.Code != http.StatusBadRequest {
t.Fatalf("expected 400, got %d", resp.Code)
}
if !strings.Contains(resp.Body.String(), "invalid message content type") {
t.Fatalf("error was not forwarded")
}
},
},
}
endpoint := func(c *gin.Context) {
c.Status(http.StatusOK)
}
gin.SetMode(gin.TestMode)
router := gin.New()
router.Use(ChatMiddleware(), captureRequestMiddleware(&capturedRequest))
router.Handle(http.MethodPost, "/api/chat", endpoint)
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
req, _ := http.NewRequest(http.MethodPost, "/api/chat", nil)
tc.Setup(t, req)
resp := httptest.NewRecorder()
router.ServeHTTP(resp, req)
tc.Expected(t, capturedRequest, resp)
capturedRequest = nil
})
}
}
func TestCompletionsMiddleware(t *testing.T) {
type testCase struct {
Name string
Setup func(t *testing.T, req *http.Request)
Expected func(t *testing.T, req *api.GenerateRequest, resp *httptest.ResponseRecorder)
}
var capturedRequest *api.GenerateRequest
testCases := []testCase{
{
Name: "completions handler",
Setup: func(t *testing.T, req *http.Request) {
temp := float32(0.8)
body := CompletionRequest{
Model: "test-model",
Prompt: "Hello",
Temperature: &temp,
Stop: []string{"\n", "stop"},
Suffix: "suffix",
}
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *api.GenerateRequest, resp *httptest.ResponseRecorder) {
if req.Prompt != "Hello" {
t.Fatalf("expected 'Hello', got %s", req.Prompt)
}
if req.Options["temperature"] != 1.6 {
t.Fatalf("expected 1.6, got %f", req.Options["temperature"])
}
stopTokens, ok := req.Options["stop"].([]any)
if !ok {
t.Fatalf("expected stop tokens to be a list")
}
if stopTokens[0] != "\n" || stopTokens[1] != "stop" {
t.Fatalf("expected ['\\n', 'stop'], got %v", stopTokens)
}
if req.Suffix != "suffix" {
t.Fatalf("expected 'suffix', got %s", req.Suffix)
}
},
},
{
Name: "completions handler error forwarding",
Setup: func(t *testing.T, req *http.Request) {
body := CompletionRequest{
Model: "test-model",
Prompt: "Hello",
Temperature: nil,
Stop: []int{1, 2},
Suffix: "suffix",
}
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *api.GenerateRequest, resp *httptest.ResponseRecorder) {
if resp.Code != http.StatusBadRequest {
t.Fatalf("expected 400, got %d", resp.Code)
}
if !strings.Contains(resp.Body.String(), "invalid type for 'stop' field") {
t.Fatalf("error was not forwarded")
}
},
},
}
endpoint := func(c *gin.Context) {
c.Status(http.StatusOK)
}
gin.SetMode(gin.TestMode)
router := gin.New()
router.Use(CompletionsMiddleware(), captureRequestMiddleware(&capturedRequest))
router.Handle(http.MethodPost, "/api/generate", endpoint)
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
req, _ := http.NewRequest(http.MethodPost, "/api/generate", nil)
tc.Setup(t, req)
resp := httptest.NewRecorder()
router.ServeHTTP(resp, req)
tc.Expected(t, capturedRequest, resp)
capturedRequest = nil
})
}
}
func TestEmbeddingsMiddleware(t *testing.T) {
type testCase struct {
Name string
Setup func(t *testing.T, req *http.Request)
Expected func(t *testing.T, req *api.EmbedRequest, resp *httptest.ResponseRecorder)
}
var capturedRequest *api.EmbedRequest
testCases := []testCase{
{
Name: "embed handler single input",
Setup: func(t *testing.T, req *http.Request) {
body := EmbedRequest{
Input: "Hello",
Model: "test-model",
}
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *http.Request) {
var embedReq api.EmbedRequest
if err := json.NewDecoder(req.Body).Decode(&embedReq); err != nil {
t.Fatal(err)
Expected: func(t *testing.T, req *api.EmbedRequest, resp *httptest.ResponseRecorder) {
if req.Input != "Hello" {
t.Fatalf("expected 'Hello', got %s", req.Input)
}
if embedReq.Input != "Hello" {
t.Fatalf("expected 'Hello', got %s", embedReq.Input)
}
if embedReq.Model != "test-model" {
t.Fatalf("expected 'test-model', got %s", embedReq.Model)
if req.Model != "test-model" {
t.Fatalf("expected 'test-model', got %s", req.Model)
}
},
},
{
Name: "embed handler batch input",
Method: http.MethodPost,
Path: "/api/embed",
Handler: EmbeddingsMiddleware,
Name: "embed handler batch input",
Setup: func(t *testing.T, req *http.Request) {
body := EmbedRequest{
Input: []string{"Hello", "World"},
Model: "test-model",
}
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *http.Request) {
var embedReq api.EmbedRequest
if err := json.NewDecoder(req.Body).Decode(&embedReq); err != nil {
t.Fatal(err)
}
input, ok := embedReq.Input.([]any)
Expected: func(t *testing.T, req *api.EmbedRequest, resp *httptest.ResponseRecorder) {
input, ok := req.Input.([]any)
if !ok {
t.Fatalf("expected input to be a list")
@ -237,36 +346,52 @@ func TestMiddlewareRequests(t *testing.T) {
t.Fatalf("expected 'World', got %s", input[1])
}
if embedReq.Model != "test-model" {
t.Fatalf("expected 'test-model', got %s", embedReq.Model)
if req.Model != "test-model" {
t.Fatalf("expected 'test-model', got %s", req.Model)
}
},
},
{
Name: "embed handler error forwarding",
Setup: func(t *testing.T, req *http.Request) {
body := EmbedRequest{
Model: "test-model",
}
prepareRequest(req, body)
},
Expected: func(t *testing.T, req *api.EmbedRequest, resp *httptest.ResponseRecorder) {
if resp.Code != http.StatusBadRequest {
t.Fatalf("expected 400, got %d", resp.Code)
}
if !strings.Contains(resp.Body.String(), "invalid input") {
t.Fatalf("error was not forwarded")
}
},
},
}
gin.SetMode(gin.TestMode)
router := gin.New()
endpoint := func(c *gin.Context) {
c.Status(http.StatusOK)
}
gin.SetMode(gin.TestMode)
router := gin.New()
router.Use(EmbeddingsMiddleware(), captureRequestMiddleware(&capturedRequest))
router.Handle(http.MethodPost, "/api/embed", endpoint)
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
router = gin.New()
router.Use(captureRequestMiddleware())
router.Use(tc.Handler())
router.Handle(tc.Method, tc.Path, endpoint)
req, _ := http.NewRequest(tc.Method, tc.Path, nil)
req, _ := http.NewRequest(http.MethodPost, "/api/embed", nil)
if tc.Setup != nil {
tc.Setup(t, req)
}
tc.Setup(t, req)
resp := httptest.NewRecorder()
router.ServeHTTP(resp, req)
tc.Expected(t, capturedRequest)
tc.Expected(t, capturedRequest, resp)
capturedRequest = nil
})
}
}
@ -284,36 +409,6 @@ func TestMiddlewareResponses(t *testing.T) {
}
testCases := []testCase{
{
Name: "completions handler error forwarding",
Method: http.MethodPost,
Path: "/api/generate",
TestPath: "/api/generate",
Handler: CompletionsMiddleware,
Endpoint: func(c *gin.Context) {
c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
},
Setup: func(t *testing.T, req *http.Request) {
body := CompletionRequest{
Model: "test-model",
Prompt: "Hello",
}
bodyBytes, _ := json.Marshal(body)
req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
req.Header.Set("Content-Type", "application/json")
},
Expected: func(t *testing.T, resp *httptest.ResponseRecorder) {
if resp.Code != http.StatusBadRequest {
t.Fatalf("expected 400, got %d", resp.Code)
}
if !strings.Contains(resp.Body.String(), `"invalid request"`) {
t.Fatalf("error was not forwarded")
}
},
},
{
Name: "list handler",
Method: http.MethodGet,
@ -330,8 +425,6 @@ func TestMiddlewareResponses(t *testing.T) {
})
},
Expected: func(t *testing.T, resp *httptest.ResponseRecorder) {
assert.Equal(t, http.StatusOK, resp.Code)
var listResp ListCompletion
if err := json.NewDecoder(resp.Body).Decode(&listResp); err != nil {
t.Fatal(err)
@ -395,6 +488,8 @@ func TestMiddlewareResponses(t *testing.T) {
resp := httptest.NewRecorder()
router.ServeHTTP(resp, req)
assert.Equal(t, http.StatusOK, resp.Code)
tc.Expected(t, resp)
})
}