131 lines
3.7 KiB
Go
131 lines
3.7 KiB
Go
package openai_test
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import (
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. "github.com/sashabaranov/go-openai"
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"github.com/sashabaranov/go-openai/internal/test/checks"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"strings"
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"testing"
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"time"
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)
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func TestChatCompletionsWrongModel(t *testing.T) {
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config := DefaultConfig("whatever")
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config.BaseURL = "http://localhost/v1"
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client := NewClientWithConfig(config)
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ctx := context.Background()
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req := ChatCompletionRequest{
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MaxTokens: 5,
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Model: "ada",
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Messages: []ChatCompletionMessage{
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{
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Role: ChatMessageRoleUser,
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Content: "Hello!",
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},
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},
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}
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_, err := client.CreateChatCompletion(ctx, req)
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msg := fmt.Sprintf("CreateChatCompletion should return wrong model error, returned: %s", err)
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checks.ErrorIs(t, err, ErrChatCompletionInvalidModel, msg)
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}
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func TestChatCompletionsWithStream(t *testing.T) {
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config := DefaultConfig("whatever")
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config.BaseURL = "http://localhost/v1"
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client := NewClientWithConfig(config)
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ctx := context.Background()
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req := ChatCompletionRequest{
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Stream: true,
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}
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_, err := client.CreateChatCompletion(ctx, req)
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checks.ErrorIs(t, err, ErrChatCompletionStreamNotSupported, "unexpected error")
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}
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// TestCompletions Tests the completions endpoint of the API using the mocked server.
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func TestChatCompletions(t *testing.T) {
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client, server, teardown := setupOpenAITestServer()
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defer teardown()
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server.RegisterHandler("/v1/chat/completions", handleChatCompletionEndpoint)
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_, err := client.CreateChatCompletion(context.Background(), ChatCompletionRequest{
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MaxTokens: 5,
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Model: GPT3Dot5Turbo,
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Messages: []ChatCompletionMessage{
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{
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Role: ChatMessageRoleUser,
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Content: "Hello!",
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},
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},
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})
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checks.NoError(t, err, "CreateChatCompletion error")
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}
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// handleChatCompletionEndpoint Handles the ChatGPT completion endpoint by the test server.
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func handleChatCompletionEndpoint(w http.ResponseWriter, r *http.Request) {
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var err error
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var resBytes []byte
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// completions only accepts POST requests
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if r.Method != "POST" {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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}
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var completionReq ChatCompletionRequest
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if completionReq, err = getChatCompletionBody(r); err != nil {
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http.Error(w, "could not read request", http.StatusInternalServerError)
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return
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}
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res := ChatCompletionResponse{
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ID: strconv.Itoa(int(time.Now().Unix())),
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Object: "test-object",
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Created: time.Now().Unix(),
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// would be nice to validate Model during testing, but
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// this may not be possible with how much upkeep
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// would be required / wouldn't make much sense
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Model: completionReq.Model,
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}
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// create completions
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for i := 0; i < completionReq.N; i++ {
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// generate a random string of length completionReq.Length
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completionStr := strings.Repeat("a", completionReq.MaxTokens)
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res.Choices = append(res.Choices, ChatCompletionChoice{
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Message: ChatCompletionMessage{
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Role: ChatMessageRoleAssistant,
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Content: completionStr,
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},
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Index: i,
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})
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}
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inputTokens := numTokens(completionReq.Messages[0].Content) * completionReq.N
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completionTokens := completionReq.MaxTokens * completionReq.N
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res.Usage = Usage{
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PromptTokens: inputTokens,
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CompletionTokens: completionTokens,
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TotalTokens: inputTokens + completionTokens,
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}
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resBytes, _ = json.Marshal(res)
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fmt.Fprintln(w, string(resBytes))
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}
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// getChatCompletionBody Returns the body of the request to create a completion.
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func getChatCompletionBody(r *http.Request) (ChatCompletionRequest, error) {
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completion := ChatCompletionRequest{}
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// read the request body
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reqBody, err := io.ReadAll(r.Body)
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if err != nil {
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return ChatCompletionRequest{}, err
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}
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err = json.Unmarshal(reqBody, &completion)
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if err != nil {
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return ChatCompletionRequest{}, err
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}
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return completion, nil
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}
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