99 lines
3 KiB
Go
99 lines
3 KiB
Go
package ai
|
|
|
|
import (
|
|
"context"
|
|
"encoding/base64"
|
|
"encoding/json"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestGeminiTranscribe(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
require.Equal(t, http.MethodPost, r.Method)
|
|
require.Equal(t, "/v1beta/models/gemini-2.5-flash:generateContent", r.URL.Path)
|
|
require.Equal(t, "test-key", r.Header.Get("x-goog-api-key"))
|
|
require.Equal(t, "application/json", r.Header.Get("Content-Type"))
|
|
|
|
var request struct {
|
|
Contents []struct {
|
|
Parts []struct {
|
|
Text string `json:"text"`
|
|
InlineData *struct {
|
|
MIMEType string `json:"mimeType"`
|
|
Data string `json:"data"`
|
|
} `json:"inlineData"`
|
|
} `json:"parts"`
|
|
} `json:"contents"`
|
|
GenerationConfig map[string]json.Number `json:"generationConfig"`
|
|
}
|
|
require.NoError(t, json.NewDecoder(r.Body).Decode(&request))
|
|
require.Len(t, request.Contents, 1)
|
|
require.Len(t, request.Contents[0].Parts, 2)
|
|
require.NotNil(t, request.Contents[0].Parts[0].InlineData)
|
|
require.Equal(t, "audio/mp3", request.Contents[0].Parts[0].InlineData.MIMEType)
|
|
audio, err := base64.StdEncoding.DecodeString(request.Contents[0].Parts[0].InlineData.Data)
|
|
require.NoError(t, err)
|
|
require.Equal(t, "audio bytes", string(audio))
|
|
require.Contains(t, request.Contents[0].Parts[1].Text, "Return only the transcript text")
|
|
require.Contains(t, request.Contents[0].Parts[1].Text, "Context and spelling hints")
|
|
require.Equal(t, json.Number("0"), request.GenerationConfig["temperature"])
|
|
|
|
w.Header().Set("Content-Type", "application/json")
|
|
require.NoError(t, json.NewEncoder(w).Encode(map[string]any{
|
|
"candidates": []map[string]any{
|
|
{
|
|
"content": map[string]any{
|
|
"parts": []map[string]string{{"text": "hello from gemini"}},
|
|
},
|
|
},
|
|
},
|
|
}))
|
|
}))
|
|
defer server.Close()
|
|
|
|
transcriber, err := NewTranscriber(ProviderConfig{
|
|
Type: ProviderGemini,
|
|
Endpoint: server.URL + "/v1beta",
|
|
APIKey: "test-key",
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
|
defer cancel()
|
|
response, err := transcriber.Transcribe(ctx, TranscribeRequest{
|
|
Model: "models/gemini-2.5-flash",
|
|
ContentType: "audio/mpeg",
|
|
Audio: strings.NewReader("audio bytes"),
|
|
Prompt: "Memos, Steven",
|
|
Language: "en",
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, "hello from gemini", response.Text)
|
|
}
|
|
|
|
func TestGeminiTranscribeRejectsUnsupportedContentType(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
transcriber, err := NewTranscriber(ProviderConfig{
|
|
Type: ProviderGemini,
|
|
Endpoint: "https://example.com/v1beta",
|
|
APIKey: "test-key",
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
_, err = transcriber.Transcribe(context.Background(), TranscribeRequest{
|
|
Model: "gemini-2.5-flash",
|
|
ContentType: "video/mp4",
|
|
Audio: strings.NewReader("video bytes"),
|
|
})
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "not supported by Gemini")
|
|
}
|