You can create assets directory in unit test dir(java unit test), and put your response.json into it. and then you can read this file with these code below:
private static File readAssetsFile(String fileName) {
// create file for assets file
final String dir = System.getProperty("user.dir");
File assetsDir = new File(dir, File.separator + "src/test/assets/");
return new File(assetsDir, fileName);
}
private static String streamToString(InputStream inputStream)
throws IOException {
if (inputStream == null) {
return "";
}
StringBuilder sBuilder = new StringBuilder();
String line;
BufferedReader bufferedReader = new BufferedReader(
new InputStreamReader(inputStream));
while ((line = bufferedReader.readLine()) != null) {
sBuilder.append(line).append("\n");
}
return sBuilder.toString();
}
// YOUR TESTCASE
@Test
public void testReadResponseJson() throws IOException {
File respFile = readAssetsFile("response.json");
String respText = streamToString(new FileInputStream(respFile));
assertEquals("{}", respText);
}