Refactor/internal testing (#194)

* added NoError check

* corrected NoError

* has error checks

* replace more checks

* Used checks test helper

* Used checks test helper

* remove duplicate import

* fixed lint issues regarding length of messages

---------

Co-authored-by: Rex Posadas <rposadas@redwoodlogistics.com>

api_test.go

@@ -2,6 +2,7 @@ package openai_test
 
 import (
 	. "github.com/sashabaranov/go-openai"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"errors"
@@ -20,25 +21,17 @@ func TestAPI(t *testing.T) {
 	c := NewClient(apiToken)
 	ctx := context.Background()
 	_, err = c.ListEngines(ctx)
-	if err != nil {
-		t.Fatalf("ListEngines error: %v", err)
-	}
+	checks.NoError(t, err, "ListEngines error")
 
 	_, err = c.GetEngine(ctx, "davinci")
-	if err != nil {
-		t.Fatalf("GetEngine error: %v", err)
-	}
+	checks.NoError(t, err, "GetEngine error")
 
 	fileRes, err := c.ListFiles(ctx)
-	if err != nil {
-		t.Fatalf("ListFiles error: %v", err)
-	}
+	checks.NoError(t, err, "ListFiles error")
 
 	if len(fileRes.Files) > 0 {
 		_, err = c.GetFile(ctx, fileRes.Files[0].ID)
-		if err != nil {
-			t.Fatalf("GetFile error: %v", err)
-		}
+		checks.NoError(t, err, "GetFile error")
 	} // else skip
 
 	embeddingReq := EmbeddingRequest{
@@ -49,9 +42,7 @@ func TestAPI(t *testing.T) {
 		Model: AdaSearchQuery,
 	}
 	_, err = c.CreateEmbeddings(ctx, embeddingReq)
-	if err != nil {
-		t.Fatalf("Embedding error: %v", err)
-	}
+	checks.NoError(t, err, "Embedding error")
 
 	_, err = c.CreateChatCompletion(
 		ctx,
@@ -66,9 +57,7 @@ func TestAPI(t *testing.T) {
 		},
 	)
 
-	if err != nil {
-		t.Errorf("CreateChatCompletion (without name) returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateChatCompletion (without name) returned error")
 
 	_, err = c.CreateChatCompletion(
 		ctx,
@@ -83,10 +72,7 @@ func TestAPI(t *testing.T) {
 			},
 		},
 	)
-
-	if err != nil {
-		t.Errorf("CreateChatCompletion (with name) returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateChatCompletion (with name) returned error")
 
 	stream, err := c.CreateCompletionStream(ctx, CompletionRequest{
 		Prompt:    "Ex falso quodlibet",
@@ -94,9 +80,7 @@ func TestAPI(t *testing.T) {
 		MaxTokens: 5,
 		Stream:    true,
 	})
-	if err != nil {
-		t.Errorf("CreateCompletionStream returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateCompletionStream returned error")
 	defer stream.Close()
 
 	counter := 0
@@ -126,9 +110,7 @@ func TestAPIError(t *testing.T) {
 	c := NewClient(apiToken + "_invalid")
 	ctx := context.Background()
 	_, err = c.ListEngines(ctx)
-	if err == nil {
-		t.Fatal("ListEngines did not fail")
-	}
+	checks.NoError(t, err, "ListEngines did not fail")
 
 	var apiErr *APIError
 	if !errors.As(err, &apiErr) {
@@ -154,9 +136,7 @@ func TestRequestError(t *testing.T) {
 	c := NewClientWithConfig(config)
 	ctx := context.Background()
 	_, err = c.ListEngines(ctx)
-	if err == nil {
-		t.Fatal("ListEngines request did not fail")
-	}
+	checks.HasError(t, err, "ListEngines did not fail")
 
 	var reqErr *RequestError
 	if !errors.As(err, &reqErr) {

audio_test.go

@@ -13,6 +13,7 @@ import (
 
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"testing"
@@ -62,9 +63,7 @@ func TestAudio(t *testing.T) {
 				Model:    "whisper-3",
 			}
 			_, err = tc.createFn(ctx, req)
-			if err != nil {
-				t.Fatalf("audio API error: %v", err)
-			}
+			checks.NoError(t, err, "audio API error")
 		})
 	}
 }
@@ -115,9 +114,7 @@ func TestAudioWithOptionalArgs(t *testing.T) {
 				Language:    "zh",
 			}
 			_, err = tc.createFn(ctx, req)
-			if err != nil {
-				t.Fatalf("audio API error: %v", err)
-			}
+			checks.NoError(t, err, "audio API error")
 		})
 	}
 }
@@ -125,9 +122,8 @@ func TestAudioWithOptionalArgs(t *testing.T) {
 // createTestFile creates a fake file with "hello" as the content.
 func createTestFile(t *testing.T, path string) {
 	file, err := os.Create(path)
-	if err != nil {
-		t.Fatalf("failed to create file %v", err)
-	}
+	checks.NoError(t, err, "failed to create file")
+
 	if _, err = file.WriteString("hello"); err != nil {
 		t.Fatalf("failed to write to file %v", err)
 	}
@@ -139,9 +135,7 @@ func createTestDirectory(t *testing.T) (path string, cleanup func()) {
 	t.Helper()
 
 	path, err := os.MkdirTemp(os.TempDir(), "")
-	if err != nil {
-		t.Fatal(err)
-	}
+	checks.NoError(t, err)
 
 	return path, func() { os.RemoveAll(path) }
 }

chat_stream_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -55,9 +56,7 @@ func TestCreateChatCompletionStream(t *testing.T) {
 		dataBytes = append(dataBytes, []byte("data: [DONE]\n\n")...)
 
 		_, err := w.Write(dataBytes)
-		if err != nil {
-			t.Errorf("Write error: %s", err)
-		}
+		checks.NoError(t, err, "Write error")
 	}))
 	defer server.Close()
 
@@ -85,9 +84,7 @@ func TestCreateChatCompletionStream(t *testing.T) {
 	}
 
 	stream, err := client.CreateChatCompletionStream(ctx, request)
-	if err != nil {
-		t.Errorf("CreateCompletionStream returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateCompletionStream returned error")
 	defer stream.Close()
 
 	expectedResponses := []ChatCompletionStreamResponse{
@@ -126,9 +123,7 @@ func TestCreateChatCompletionStream(t *testing.T) {
 		t.Logf("%d: %s", ix, string(b))
 
 		receivedResponse, streamErr := stream.Recv()
-		if streamErr != nil {
-			t.Errorf("stream.Recv() failed: %v", streamErr)
-		}
+		checks.NoError(t, streamErr, "stream.Recv() failed")
 		if !compareChatResponses(expectedResponse, receivedResponse) {
 			t.Errorf("Stream response %v is %v, expected %v", ix, receivedResponse, expectedResponse)
 		}
@@ -140,6 +135,8 @@ func TestCreateChatCompletionStream(t *testing.T) {
 	}
 
 	_, streamErr = stream.Recv()
+
+	checks.ErrorIs(t, streamErr, io.EOF, "stream.Recv() did not return EOF when the stream is finished")
 	if !errors.Is(streamErr, io.EOF) {
 		t.Errorf("stream.Recv() did not return EOF when the stream is finished: %v", streamErr)
 	}
@@ -166,9 +163,7 @@ func TestCreateChatCompletionStreamError(t *testing.T) {
 		}
 
 		_, err := w.Write(dataBytes)
-		if err != nil {
-			t.Errorf("Write error: %s", err)
-		}
+		checks.NoError(t, err, "Write error")
 	}))
 	defer server.Close()
 
@@ -196,15 +191,12 @@ func TestCreateChatCompletionStreamError(t *testing.T) {
 	}
 
 	stream, err := client.CreateChatCompletionStream(ctx, request)
-	if err != nil {
-		t.Errorf("CreateCompletionStream returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateCompletionStream returned error")
 	defer stream.Close()
 
 	_, streamErr := stream.Recv()
-	if streamErr == nil {
-		t.Errorf("stream.Recv() did not return error")
-	}
+	checks.HasError(t, streamErr, "stream.Recv() did not return error")
+
 	var apiErr *APIError
 	if !errors.As(streamErr, &apiErr) {
 		t.Errorf("stream.Recv() did not return APIError")

chat_test.go

@@ -3,10 +3,10 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -33,9 +33,8 @@ func TestChatCompletionsWrongModel(t *testing.T) {
 		},
 	}
 	_, err := client.CreateChatCompletion(ctx, req)
-	if !errors.Is(err, ErrChatCompletionInvalidModel) {
-		t.Fatalf("CreateChatCompletion should return ErrChatCompletionInvalidModel, but returned: %v", err)
-	}
+	msg := fmt.Sprintf("CreateChatCompletion should return wrong model error, returned: %s", err)
+	checks.ErrorIs(t, err, ErrChatCompletionInvalidModel, msg)
 }
 
 func TestChatCompletionsWithStream(t *testing.T) {
@@ -48,9 +47,7 @@ func TestChatCompletionsWithStream(t *testing.T) {
 		Stream: true,
 	}
 	_, err := client.CreateChatCompletion(ctx, req)
-	if !errors.Is(err, ErrChatCompletionStreamNotSupported) {
-		t.Fatalf("CreateChatCompletion didn't return ErrChatCompletionStreamNotSupported error")
-	}
+	checks.ErrorIs(t, err, ErrChatCompletionStreamNotSupported, "unexpected error")
 }
 
 // TestCompletions Tests the completions endpoint of the API using the mocked server.
@@ -79,9 +76,7 @@ func TestChatCompletions(t *testing.T) {
 		},
 	}
 	_, err = client.CreateChatCompletion(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateChatCompletion error: %v", err)
-	}
+	checks.NoError(t, err, "CreateChatCompletion error")
 }
 
 // handleChatCompletionEndpoint Handles the ChatGPT completion endpoint by the test server.

completion_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -66,9 +67,7 @@ func TestCompletions(t *testing.T) {
 	}
 	req.Prompt = "Lorem ipsum"
 	_, err = client.CreateCompletion(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateCompletion error: %v", err)
-	}
+	checks.NoError(t, err, "CreateCompletion error")
 }
 
 // handleCompletionEndpoint Handles the completion endpoint by the test server.

edits_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -40,9 +41,7 @@ func TestEdits(t *testing.T) {
 		N:           3,
 	}
 	response, err := client.Edits(ctx, editReq)
-	if err != nil {
-		t.Fatalf("Edits error: %v", err)
-	}
+	checks.NoError(t, err, "Edits error")
 	if len(response.Choices) != editReq.N {
 		t.Fatalf("edits does not properly return the correct number of choices")
 	}

embeddings_test.go

@@ -2,6 +2,7 @@ package openai_test
 
 import (
 	. "github.com/sashabaranov/go-openai"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"bytes"
 	"encoding/json"
@@ -38,9 +39,7 @@ func TestEmbedding(t *testing.T) {
 		// marshal embeddingReq to JSON and confirm that the model field equals
 		// the AdaSearchQuery type
 		marshaled, err := json.Marshal(embeddingReq)
-		if err != nil {
-			t.Fatalf("Could not marshal embedding request: %v", err)
-		}
+		checks.NoError(t, err, "Could not marshal embedding request")
 		if !bytes.Contains(marshaled, []byte(`"model":"`+model.String()+`"`)) {
 			t.Fatalf("Expected embedding request to contain model field")
 		}

error_accumulator_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 )
 
 var (
@@ -81,16 +82,13 @@ func TestErrorAccumulatorWriteErrors(t *testing.T) {
 	ctx := context.Background()
 
 	stream, err := client.CreateChatCompletionStream(ctx, ChatCompletionRequest{})
-	if err != nil {
-		t.Fatal(err)
-	}
+	checks.NoError(t, err)
+
 	stream.errAccumulator = &defaultErrorAccumulator{
 		buffer:      &failingErrorBuffer{},
 		unmarshaler: &jsonUnmarshaler{},
 	}
 
 	_, err = stream.Recv()
-	if !errors.Is(err, errTestErrorAccumulatorWriteFailed) {
-		t.Fatalf("Did not return error when write failed: %v", err)
-	}
+	checks.ErrorIs(t, err, errTestErrorAccumulatorWriteFailed, "Did not return error when write failed", err.Error())
 }

files_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -33,9 +34,7 @@ func TestFileUpload(t *testing.T) {
 		Purpose:  "fine-tune",
 	}
 	_, err = client.CreateFile(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateFile error: %v", err)
-	}
+	checks.NoError(t, err, "CreateFile erro")
 }
 
 // handleCreateFile Handles the images endpoint by the test server.

fine_tunes_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -70,32 +71,20 @@ func TestFineTunes(t *testing.T) {
 	ctx := context.Background()
 
 	_, err = client.ListFineTunes(ctx)
-	if err != nil {
-		t.Fatalf("ListFineTunes error: %v", err)
-	}
+	checks.NoError(t, err, "ListFineTunes error")
 
 	_, err = client.CreateFineTune(ctx, FineTuneRequest{})
-	if err != nil {
-		t.Fatalf("CreateFineTune error: %v", err)
-	}
+	checks.NoError(t, err, "CreateFineTune error")
 
 	_, err = client.CancelFineTune(ctx, testFineTuneID)
-	if err != nil {
-		t.Fatalf("CancelFineTune error: %v", err)
-	}
+	checks.NoError(t, err, "CancelFineTune error")
 
 	_, err = client.GetFineTune(ctx, testFineTuneID)
-	if err != nil {
-		t.Fatalf("GetFineTune error: %v", err)
-	}
+	checks.NoError(t, err, "GetFineTune error")
 
 	_, err = client.DeleteFineTune(ctx, testFineTuneID)
-	if err != nil {
-		t.Fatalf("DeleteFineTune error: %v", err)
-	}
+	checks.NoError(t, err, "DeleteFineTune error")
 
 	_, err = client.ListFineTuneEvents(ctx, testFineTuneID)
-	if err != nil {
-		t.Fatalf("ListFineTuneEvents error: %v", err)
-	}
+	checks.NoError(t, err, "ListFineTuneEvents error")
 }

image_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -31,9 +32,7 @@ func TestImages(t *testing.T) {
 	req := ImageRequest{}
 	req.Prompt = "Lorem ipsum"
 	_, err = client.CreateImage(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateImage error: %v", err)
-	}
+	checks.NoError(t, err, "CreateImage error")
 }
 
 // handleImageEndpoint Handles the images endpoint by the test server.
@@ -127,9 +126,7 @@ func TestImageEdit(t *testing.T) {
 		Size:   CreateImageSize1024x1024,
 	}
 	_, err = client.CreateEditImage(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateImage error: %v", err)
-	}
+	checks.NoError(t, err, "CreateImage error")
 }
 
 func TestImageEditWithoutMask(t *testing.T) {
@@ -164,9 +161,7 @@ func TestImageEditWithoutMask(t *testing.T) {
 		Size:   CreateImageSize1024x1024,
 	}
 	_, err = client.CreateEditImage(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateImage error: %v", err)
-	}
+	checks.NoError(t, err, "CreateImage error")
 }
 
 // handleEditImageEndpoint Handles the images endpoint by the test server.
@@ -231,9 +226,7 @@ func TestImageVariation(t *testing.T) {
 		Size:  CreateImageSize1024x1024,
 	}
 	_, err = client.CreateVariImage(ctx, req)
-	if err != nil {
-		t.Fatalf("CreateImage error: %v", err)
-	}
+	checks.NoError(t, err, "CreateImage error")
 }
 
 // handleVariateImageEndpoint Handles the images endpoint by the test server.

internal/test/checks/checks.go

@@ -0,0 +1,48 @@
+package checks
+
+import (
+	"errors"
+	"testing"
+)
+
+func NoError(t *testing.T, err error, message ...string) {
+	t.Helper()
+	if err != nil {
+		t.Error(err, message)
+	}
+}
+
+func HasError(t *testing.T, err error, message ...string) {
+	t.Helper()
+	if err == nil {
+		t.Error(err, message)
+	}
+}
+
+func ErrorIs(t *testing.T, err, target error, msg ...string) {
+	t.Helper()
+	if !errors.Is(err, target) {
+		t.Fatal(msg)
+	}
+}
+
+func ErrorIsF(t *testing.T, err, target error, format string, msg ...string) {
+	t.Helper()
+	if !errors.Is(err, target) {
+		t.Fatalf(format, msg)
+	}
+}
+
+func ErrorIsNot(t *testing.T, err, target error, msg ...string) {
+	t.Helper()
+	if errors.Is(err, target) {
+		t.Fatal(msg)
+	}
+}
+
+func ErrorIsNotf(t *testing.T, err, target error, format string, msg ...string) {
+	t.Helper()
+	if errors.Is(err, target) {
+		t.Fatalf(format, msg)
+	}
+}

models_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -27,9 +28,7 @@ func TestListModels(t *testing.T) {
 	ctx := context.Background()
 
 	_, err = client.ListModels(ctx)
-	if err != nil {
-		t.Fatalf("ListModels error: %v", err)
-	}
+	checks.NoError(t, err, "ListModels error")
 }
 
 // handleModelsEndpoint Handles the models endpoint by the test server.

moderation_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"encoding/json"
@@ -37,9 +38,7 @@ func TestModerations(t *testing.T) {
 		Input: "I want to kill them.",
 	}
 	_, err = client.Moderations(ctx, moderationReq)
-	if err != nil {
-		t.Fatalf("Moderation error: %v", err)
-	}
+	checks.NoError(t, err, "Moderation error")
 }
 
 // handleModerationEndpoint Handles the moderation endpoint by the test server.

stream_test.go

@@ -3,6 +3,7 @@ package openai_test
 import (
 	. "github.com/sashabaranov/go-openai"
 	"github.com/sashabaranov/go-openai/internal/test"
+	"github.com/sashabaranov/go-openai/internal/test/checks"
 
 	"context"
 	"errors"
@@ -49,9 +50,7 @@ func TestCreateCompletionStream(t *testing.T) {
 		dataBytes = append(dataBytes, []byte("data: [DONE]\n\n")...)
 
 		_, err := w.Write(dataBytes)
-		if err != nil {
-			t.Errorf("Write error: %s", err)
-		}
+		checks.NoError(t, err, "Write error")
 	}))
 	defer server.Close()
 
@@ -74,9 +73,7 @@ func TestCreateCompletionStream(t *testing.T) {
 	}
 
 	stream, err := client.CreateCompletionStream(ctx, request)
-	if err != nil {
-		t.Errorf("CreateCompletionStream returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateCompletionStream returned error")
 	defer stream.Close()
 
 	expectedResponses := []CompletionResponse{
@@ -138,9 +135,7 @@ func TestCreateCompletionStreamError(t *testing.T) {
 		}
 
 		_, err := w.Write(dataBytes)
-		if err != nil {
-			t.Errorf("Write error: %s", err)
-		}
+		checks.NoError(t, err, "Write error")
 	}))
 	defer server.Close()
 
@@ -163,15 +158,12 @@ func TestCreateCompletionStreamError(t *testing.T) {
 	}
 
 	stream, err := client.CreateCompletionStream(ctx, request)
-	if err != nil {
-		t.Errorf("CreateCompletionStream returned error: %v", err)
-	}
+	checks.NoError(t, err, "CreateCompletionStream returned error")
 	defer stream.Close()
 
 	_, streamErr := stream.Recv()
-	if streamErr == nil {
-		t.Errorf("stream.Recv() did not return error")
-	}
+	checks.HasError(t, streamErr, "stream.Recv() did not return error")
+
 	var apiErr *APIError
 	if !errors.As(streamErr, &apiErr) {
 		t.Errorf("stream.Recv() did not return APIError")