move request_builder into internal pkg (#304) (#329)

* move request_builder into internal pkg (#304)

* add some test for internal.RequestBuilder

* add a test for openai.GetEngine

chat.go

@@ -77,7 +77,7 @@ func (c *Client) CreateChatCompletion(
 		return
 	}
 
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL(urlSuffix, request.Model), request)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL(urlSuffix, request.Model), request)
 	if err != nil {
 		return
 	}

client.go

@@ -15,7 +15,7 @@ import (
 type Client struct {
 	config ClientConfig
 
-	requestBuilder    requestBuilder
+	requestBuilder    utils.RequestBuilder
 	createFormBuilder func(io.Writer) utils.FormBuilder
 }
 
@@ -29,7 +29,7 @@ func NewClient(authToken string) *Client {
 func NewClientWithConfig(config ClientConfig) *Client {
 	return &Client{
 		config:         config,
-		requestBuilder: newRequestBuilder(),
+		requestBuilder: utils.NewRequestBuilder(),
 		createFormBuilder: func(body io.Writer) utils.FormBuilder {
 			return utils.NewFormBuilder(body)
 		},
@@ -135,7 +135,7 @@ func (c *Client) newStreamRequest(
 	urlSuffix string,
 	body any,
 	model string) (*http.Request, error) {
-	req, err := c.requestBuilder.build(ctx, method, c.fullURL(urlSuffix, model), body)
+	req, err := c.requestBuilder.Build(ctx, method, c.fullURL(urlSuffix, model), body)
 	if err != nil {
 		return nil, err
 	}

client_test.go

@@ -2,13 +2,24 @@ package openai //nolint:testpackage // testing private field
 
 import (
 	"bytes"
+	"context"
 	"errors"
 	"fmt"
 	"io"
 	"net/http"
 	"testing"
+
+	"github.com/sashabaranov/go-openai/internal/test"
 )
 
+var errTestRequestBuilderFailed = errors.New("test request builder failed")
+
+type failingRequestBuilder struct{}
+
+func (*failingRequestBuilder) Build(_ context.Context, _, _ string, _ any) (*http.Request, error) {
+	return nil, errTestRequestBuilderFailed
+}
+
 func TestClient(t *testing.T) {
 	const mockToken = "mock token"
 	client := NewClient(mockToken)
@@ -145,3 +156,141 @@ func TestHandleErrorResp(t *testing.T) {
 		})
 	}
 }
+
+func TestClientReturnsRequestBuilderErrors(t *testing.T) {
+	var err error
+	ts := test.NewTestServer().OpenAITestServer()
+	ts.Start()
+	defer ts.Close()
+
+	config := DefaultConfig(test.GetTestToken())
+	config.BaseURL = ts.URL + "/v1"
+	client := NewClientWithConfig(config)
+	client.requestBuilder = &failingRequestBuilder{}
+
+	ctx := context.Background()
+
+	_, err = client.CreateCompletion(ctx, CompletionRequest{Prompt: "testing"})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateChatCompletion(ctx, ChatCompletionRequest{Model: GPT3Dot5Turbo})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateChatCompletionStream(ctx, ChatCompletionRequest{Model: GPT3Dot5Turbo})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateFineTune(ctx, FineTuneRequest{})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.ListFineTunes(ctx)
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CancelFineTune(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.GetFineTune(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.DeleteFineTune(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.ListFineTuneEvents(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.Moderations(ctx, ModerationRequest{})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.Edits(ctx, EditsRequest{})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateEmbeddings(ctx, EmbeddingRequest{})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateImage(ctx, ImageRequest{})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	err = client.DeleteFile(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.GetFile(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.ListFiles(ctx)
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.ListEngines(ctx)
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.GetEngine(ctx, "")
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.ListModels(ctx)
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateCompletionStream(ctx, CompletionRequest{Prompt: ""})
+	if !errors.Is(err, errTestRequestBuilderFailed) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+}
+
+func TestClientReturnsRequestBuilderErrorsAddtion(t *testing.T) {
+	var err error
+	ts := test.NewTestServer().OpenAITestServer()
+	ts.Start()
+	defer ts.Close()
+
+	config := DefaultConfig(test.GetTestToken())
+	config.BaseURL = ts.URL + "/v1"
+	client := NewClientWithConfig(config)
+	client.requestBuilder = &failingRequestBuilder{}
+
+	ctx := context.Background()
+
+	_, err = client.CreateCompletion(ctx, CompletionRequest{Prompt: 1})
+	if !errors.Is(err, ErrCompletionRequestPromptTypeNotSupported) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+
+	_, err = client.CreateCompletionStream(ctx, CompletionRequest{Prompt: 1})
+	if !errors.Is(err, ErrCompletionRequestPromptTypeNotSupported) {
+		t.Fatalf("Did not return error when request builder failed: %v", err)
+	}
+}

completion.go

@@ -155,7 +155,7 @@ func (c *Client) CreateCompletion(
 		return
 	}
 
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL(urlSuffix, request.Model), request)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL(urlSuffix, request.Model), request)
 	if err != nil {
 		return
 	}

edits.go

@@ -32,7 +32,7 @@ type EditsResponse struct {
 
 // Perform an API call to the Edits endpoint.
 func (c *Client) Edits(ctx context.Context, request EditsRequest) (response EditsResponse, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL("/edits", fmt.Sprint(request.Model)), request)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL("/edits", fmt.Sprint(request.Model)), request)
 	if err != nil {
 		return
 	}

embeddings.go

@@ -132,7 +132,7 @@ type EmbeddingRequest struct {
 // CreateEmbeddings returns an EmbeddingResponse which will contain an Embedding for every item in |request.Input|.
 // https://beta.openai.com/docs/api-reference/embeddings/create
 func (c *Client) CreateEmbeddings(ctx context.Context, request EmbeddingRequest) (resp EmbeddingResponse, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL("/embeddings", request.Model.String()), request)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL("/embeddings", request.Model.String()), request)
 	if err != nil {
 		return
 	}

engines.go

@@ -22,7 +22,7 @@ type EnginesList struct {
 // ListEngines Lists the currently available engines, and provides basic
 // information about each option such as the owner and availability.
 func (c *Client) ListEngines(ctx context.Context) (engines EnginesList, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL("/engines"), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL("/engines"), nil)
 	if err != nil {
 		return
 	}
@@ -38,7 +38,7 @@ func (c *Client) GetEngine(
 	engineID string,
 ) (engine Engine, err error) {
 	urlSuffix := fmt.Sprintf("/engines/%s", engineID)
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
 	if err != nil {
 		return
 	}

engines_test.go

@@ -0,0 +1,34 @@
+package openai_test
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"testing"
+
+	. "github.com/sashabaranov/go-openai"
+	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
+)
+
+// TestGetEngine Tests the retrieve engine endpoint of the API using the mocked server.
+func TestGetEngine(t *testing.T) {
+	server := test.NewTestServer()
+	server.RegisterHandler("/v1/engines/text-davinci-003", func(w http.ResponseWriter, r *http.Request) {
+		resBytes, _ := json.Marshal(Engine{})
+		fmt.Fprintln(w, string(resBytes))
+	})
+	// create the test server
+	ts := server.OpenAITestServer()
+	ts.Start()
+	defer ts.Close()
+
+	config := DefaultConfig(test.GetTestToken())
+	config.BaseURL = ts.URL + "/v1"
+	client := NewClientWithConfig(config)
+	ctx := context.Background()
+
+	_, err := client.GetEngine(ctx, "text-davinci-003")
+	checks.NoError(t, err, "GetEngine error")
+}

files.go

@@ -70,7 +70,7 @@ func (c *Client) CreateFile(ctx context.Context, request FileRequest) (file File
 
 // DeleteFile deletes an existing file.
 func (c *Client) DeleteFile(ctx context.Context, fileID string) (err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodDelete, c.fullURL("/files/"+fileID), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodDelete, c.fullURL("/files/"+fileID), nil)
 	if err != nil {
 		return
 	}
@@ -82,7 +82,7 @@ func (c *Client) DeleteFile(ctx context.Context, fileID string) (err error) {
 // ListFiles Lists the currently available files,
 // and provides basic information about each file such as the file name and purpose.
 func (c *Client) ListFiles(ctx context.Context) (files FilesList, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL("/files"), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL("/files"), nil)
 	if err != nil {
 		return
 	}
@@ -95,7 +95,7 @@ func (c *Client) ListFiles(ctx context.Context) (files FilesList, err error) {
 // such as the file name and purpose.
 func (c *Client) GetFile(ctx context.Context, fileID string) (file File, err error) {
 	urlSuffix := fmt.Sprintf("/files/%s", fileID)
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
 	if err != nil {
 		return
 	}

fine_tunes.go

@@ -68,7 +68,7 @@ type FineTuneDeleteResponse struct {
 
 func (c *Client) CreateFineTune(ctx context.Context, request FineTuneRequest) (response FineTune, err error) {
 	urlSuffix := "/fine-tunes"
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL(urlSuffix), request)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL(urlSuffix), request)
 	if err != nil {
 		return
 	}
@@ -79,7 +79,7 @@ func (c *Client) CreateFineTune(ctx context.Context, request FineTuneRequest) (r
 
 // CancelFineTune cancel a fine-tune job.
 func (c *Client) CancelFineTune(ctx context.Context, fineTuneID string) (response FineTune, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL("/fine-tunes/"+fineTuneID+"/cancel"), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL("/fine-tunes/"+fineTuneID+"/cancel"), nil)
 	if err != nil {
 		return
 	}
@@ -89,7 +89,7 @@ func (c *Client) CancelFineTune(ctx context.Context, fineTuneID string) (respons
 }
 
 func (c *Client) ListFineTunes(ctx context.Context) (response FineTuneList, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL("/fine-tunes"), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL("/fine-tunes"), nil)
 	if err != nil {
 		return
 	}
@@ -100,7 +100,7 @@ func (c *Client) ListFineTunes(ctx context.Context) (response FineTuneList, err
 
 func (c *Client) GetFineTune(ctx context.Context, fineTuneID string) (response FineTune, err error) {
 	urlSuffix := fmt.Sprintf("/fine-tunes/%s", fineTuneID)
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
 	if err != nil {
 		return
 	}
@@ -110,7 +110,7 @@ func (c *Client) GetFineTune(ctx context.Context, fineTuneID string) (response F
 }
 
 func (c *Client) DeleteFineTune(ctx context.Context, fineTuneID string) (response FineTuneDeleteResponse, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodDelete, c.fullURL("/fine-tunes/"+fineTuneID), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodDelete, c.fullURL("/fine-tunes/"+fineTuneID), nil)
 	if err != nil {
 		return
 	}
@@ -120,7 +120,7 @@ func (c *Client) DeleteFineTune(ctx context.Context, fineTuneID string) (respons
 }
 
 func (c *Client) ListFineTuneEvents(ctx context.Context, fineTuneID string) (response FineTuneEventList, err error) {
-	req, err := c.requestBuilder.build(ctx, http.MethodGet, c.fullURL("/fine-tunes/"+fineTuneID+"/events"), nil)
+	req, err := c.requestBuilder.Build(ctx, http.MethodGet, c.fullURL("/fine-tunes/"+fineTuneID+"/events"), nil)
 	if err != nil {
 		return
 	}

image.go

@@ -44,7 +44,7 @@ type ImageResponseDataInner struct {
 // CreateImage - API call to create an image. This is the main endpoint of the DALL-E API.
 func (c *Client) CreateImage(ctx context.Context, request ImageRequest) (response ImageResponse, err error) {
 	urlSuffix := "/images/generations"
-	req, err := c.requestBuilder.build(ctx, http.MethodPost, c.fullURL(urlSuffix), request)
+	req, err := c.requestBuilder.Build(ctx, http.MethodPost, c.fullURL(urlSuffix), request)
 	if err != nil {
 		return
 	}