gemini-dictate/test-gemini-api.html at main · EmmanuelBoidot/gemini-dictate · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Test Gemini API</title>
    <style>
        body {
            font-family: monospace;
            padding: 20px;
            max-width: 800px;
            margin: 0 auto;
        }

        button {
            padding: 10px 20px;
            font-size: 16px;
            margin: 10px 0;
        }

        #output {
            white-space: pre-wrap;
            background: #f5f5f5;
            padding: 15px;
            border-radius: 5px;
            margin-top: 20px;
        }

        input {
            width: 100%;
            padding: 8px;
            margin: 10px 0;
        }
    </style>
</head>

<body>
    <h1>Gemini API Test</h1>
    <p>This page tests if the Gemini API is working correctly with audio.</p>

    <label>API Key:</label>
    <input type="password" id="apiKey" placeholder="Enter your Gemini API key">

    <button onclick="testTextAPI()">Test Text API</button>
    <button onclick="testAudioAPI()">Test Audio API (with sample)</button>

    <div id="output">Results will appear here...</div>

    <script>
        async function testTextAPI() {
            const apiKey = document.getElementById('apiKey').value;
            const output = document.getElementById('output');

            if (!apiKey) {
                output.textContent = 'Please enter an API key';
                return;
            }

            output.textContent = 'Testing text API...\n';

            try {
                const response = await fetch(
                    `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key=${apiKey}`,
                    {
                        method: 'POST',
                        headers: { 'Content-Type': 'application/json' },
                        body: JSON.stringify({
                            contents: [{
                                parts: [{ text: "Say hello" }]
                            }]
                        })
                    }
                );

                output.textContent += `Status: ${response.status}\n`;

                const data = await response.json();
                output.textContent += `Response:\n${JSON.stringify(data, null, 2)}`;
            } catch (error) {
                output.textContent += `Error: ${error.message}\n${error.stack}`;
            }
        }

        async function testAudioAPI() {
            const apiKey = document.getElementById('apiKey').value;
            const output = document.getElementById('output');

            if (!apiKey) {
                output.textContent = 'Please enter an API key';
                return;
            }

            output.textContent = 'Testing audio API...\n';

            // Create a simple test audio (silence)
            const sampleRate = 16000;
            const duration = 1; // 1 second
            const numSamples = sampleRate * duration;
            const audioData = new Int16Array(numSamples);

            // Convert to base64
            const bytes = new Uint8Array(audioData.buffer);
            let binary = '';
            for (let i = 0; i < bytes.byteLength; i++) {
                binary += String.fromCharCode(bytes[i]);
            }
            const base64Audio = btoa(binary);

            output.textContent += `Created ${numSamples} samples (${duration}s)\n`;
            output.textContent += `Base64 length: ${base64Audio.length}\n\n`;

            // Try different MIME types
            const mimeTypes = [
                "audio/pcm;rate=16000",
                "audio/l16;rate=16000",
                "audio/raw;rate=16000",
                "audio/pcm",
                "audio/wav"
            ];

            for (const mimeType of mimeTypes) {
                output.textContent += `\n--- Testing MIME type: ${mimeType} ---\n`;

                try {
                    const requestBody = {
                        contents: [{
                            parts: [{
                                inline_data: {
                                    mime_type: mimeType,
                                    data: base64Audio
                                }
                            }]
                        }]
                    };

                    // Only add system instruction for non-wav formats
                    if (!mimeType.includes('wav')) {
                        requestBody.systemInstruction = {
                            parts: [{
                                text: "Transcribe the audio."
                            }]
                        };
                    }

                    const response = await fetch(
                        `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key=${apiKey}`,
                        {
                            method: 'POST',
                            headers: { 'Content-Type': 'application/json' },
                            body: JSON.stringify(requestBody)
                        }
                    );

                    output.textContent += `Status: ${response.status}\n`;

                    const data = await response.json();
                    if (response.ok) {
                        output.textContent += `✓ SUCCESS!\n`;
                        output.textContent += `Response:\n${JSON.stringify(data, null, 2)}\n`;
                        break; // Stop on first success
                    } else {
                        output.textContent += `Error: ${data.error?.message || 'Unknown error'}\n`;
                    }
                } catch (error) {
                    output.textContent += `Exception: ${error.message}\n`;
                }
            }
        }
    </script>
</body>

</html>