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#  Copyright 2006-2019 WebPKI.org (http://webpki.org).                       #
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#  Licensed under the Apache License, Version 2.0 (the "License");           #
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#      https://www.apache.org/licenses/LICENSE-2.0                           #
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# Test program for JCS

import sys
import codecs
import os

from json import loads

from org.webpki.json.Canonicalize import canonicalize

# Our test program
if not len(sys.argv) in (1,2):
    print ('[JSON-in-file]')
    sys.exit(1)

failures = 0

def readFile(name):
  return codecs.open(name, "r", "utf-8").read()

def oneTurn(fileName):
    global failures
    jsonData = readFile(os.path.join(inputPath,fileName))
    actual = canonicalize(loads(jsonData))
    recycled = canonicalize(loads(actual.decode("utf-8","strict")))
    expected = readFile(os.path.join(outputPath,fileName)).encode()
    if actual == expected and actual == recycled:
      result = "\n"
    else:
      failures += 1
      result = "\n\nTHE TEST ABOVE FAILED!"
    byteCount = 0
    next = False
    utf8InHex = "\nFile: " + fileName
    for c in actual:
      if byteCount % 32 == 0:
        utf8InHex += '\n'
        next = False
      byteCount += 1
      if next:
        utf8InHex += ' '
      next = True
      utf8InHex += '{0:02x}'.format(c)
    print(utf8InHex + result)

testData = os.path.join(os.path.split(os.path.split(os.path.dirname(os.path.abspath(__file__)))[0])[0],'testdata')
inputPath = os.path.join(testData, 'input')
outputPath = os.path.join(testData, 'output')
if len(sys.argv) == 1:
    for fileName in os.listdir(inputPath):
        oneTurn(fileName)
else:
    oneTurn(sys.argv[1])
if failures == 0:
    print("All tests succeeded!");
else:
    print("\n****** ERRORS: " + str(failures) + " *******");