Embed binary data in your tests with Okio
Here's some code that uses Okio to serialize an object to a base64-encoded string: String toBase64(Object object) throws Exception { Buffer buffer = new Buffer(); ObjectOutputStream out = new ObjectOutputStream(buffer.outputStream()); out.writeObject(object); out.close(); return buffer.readByteString().base64(); } And this code will deserialize that string back into an object:…