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path: root/Tests/Server/cmakelib.py
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import sys, subprocess, json

termwidth = 150

print_communication = True

def ordered(obj):
  if isinstance(obj, dict):
    return sorted((k, ordered(v)) for k, v in obj.items())
  if isinstance(obj, list):
    return sorted(ordered(x) for x in obj)
  else:
    return obj

def col_print(title, array):
  print
  print
  print(title)

  indentwidth = 4
  indent = " " * indentwidth

  if not array:
    print(indent + "<None>")
    return

  padwidth = 2

  maxitemwidth = len(max(array, key=len))

  numCols = max(1, int((termwidth - indentwidth + padwidth) / (maxitemwidth + padwidth)))

  numRows = len(array) // numCols + 1

  pad = " " * padwidth

  for index in range(numRows):
    print(indent + pad.join(item.ljust(maxitemwidth) for item in array[index::numRows]))

def waitForRawMessage(cmakeCommand):
  stdoutdata = ""
  payload = ""
  while not cmakeCommand.poll():
    stdoutdataLine = cmakeCommand.stdout.readline()
    if stdoutdataLine:
      stdoutdata += stdoutdataLine.decode('utf-8')
    else:
      break
    begin = stdoutdata.find('[== "CMake Server" ==[\n')
    end = stdoutdata.find(']== "CMake Server" ==]')

    if (begin != -1 and end != -1):
      begin += len('[== "CMake Server" ==[\n')
      payload = stdoutdata[begin:end]
      if print_communication:
        print("\nSERVER>", json.loads(payload), "\n")
      return json.loads(payload)

def writeRawData(cmakeCommand, content):
  writeRawData.counter += 1
  payload = """
[== "CMake Server" ==[
%s
]== "CMake Server" ==]
""" % content

  rn = ( writeRawData.counter % 2 ) == 0

  if rn:
    payload = payload.replace('\n', '\r\n')

  if print_communication:
    print("\nCLIENT>", content, "(Use \\r\\n:", rn, ")\n")
  cmakeCommand.stdin.write(payload.encode('utf-8'))
  cmakeCommand.stdin.flush()
writeRawData.counter = 0

def writePayload(cmakeCommand, obj):
  writeRawData(cmakeCommand, json.dumps(obj))

def initProc(cmakeCommand):
  cmakeCommand = subprocess.Popen([cmakeCommand, "-E", "server", "--experimental", "--debug"],
                                  stdin=subprocess.PIPE,
                                  stdout=subprocess.PIPE)

  packet = waitForRawMessage(cmakeCommand)
  if packet == None:
    print("Not in server mode")
    sys.exit(1)

  if packet['type'] != 'hello':
    print("No hello message")
    sys.exit(1)

  return cmakeCommand

def waitForMessage(cmakeCommand, expected):
  data = ordered(expected)
  packet = ordered(waitForRawMessage(cmakeCommand))

  if packet != data:
    sys.exit(-1)
  return packet

def waitForReply(cmakeCommand, originalType, cookie, skipProgress):
  gotResult = False
  while True:
    packet = waitForRawMessage(cmakeCommand)
    t = packet['type']
    if packet['cookie'] != cookie or packet['inReplyTo'] != originalType:
      sys.exit(1)
    if t == 'message' or t == 'progress':
      if skipProgress:
        continue
    if t == 'reply':
        break
    sys.exit(1)

  return packet

def waitForError(cmakeCommand, originalType, cookie, message):
  packet = waitForRawMessage(cmakeCommand)
  if packet['cookie'] != cookie or packet['type'] != 'error' or packet['inReplyTo'] != originalType or packet['errorMessage'] != message:
    sys.exit(1)

def waitForProgress(cmakeCommand, originalType, cookie, current, message):
  packet = waitForRawMessage(cmakeCommand)
  if packet['cookie'] != cookie or packet['type'] != 'progress' or packet['inReplyTo'] != originalType or packet['progressCurrent'] != current or packet['progressMessage'] != message:
    sys.exit(1)

def handshake(cmakeCommand, major, minor, source, build, generator, extraGenerator):
  version = { 'major': major }
  if minor >= 0:
    version['minor'] = minor

  writePayload(cmakeCommand, { 'type': 'handshake', 'protocolVersion': version,
    'cookie': 'TEST_HANDSHAKE', 'sourceDirectory': source, 'buildDirectory': build,
    'generator': generator, 'extraGenerator': extraGenerator })
  waitForReply(cmakeCommand, 'handshake', 'TEST_HANDSHAKE', False)

def validateGlobalSettings(cmakeCommand, cmakeCommandPath, data):
  packet = waitForReply(cmakeCommand, 'globalSettings', '', False)

  capabilities = packet['capabilities']

  # validate version:
  cmakeoutput = subprocess.check_output([ cmakeCommandPath, "--version" ], universal_newlines=True)
  cmakeVersion = cmakeoutput.splitlines()[0][14:]

  version = capabilities['version']
  versionString = version['string']
  vs = str(version['major']) + '.' + str(version['minor']) + '.' + str(version['patch'])
  if (versionString != vs and not versionString.startswith(vs + '-')):
    sys.exit(1)
  if (versionString != cmakeVersion):
    sys.exit(1)

  # validate generators:
  generatorObjects = capabilities['generators']

  cmakeoutput = subprocess.check_output([ cmakeCommandPath, "--help" ], universal_newlines=True)
  index = cmakeoutput.index('\nGenerators\n\n')
  cmakeGenerators = []
  for line in cmakeoutput[index + 12:].splitlines():
    if not line.startswith('  '):
      continue
    if line.startswith('    '):
      continue
    equalPos = line.find('=')
    tmp = ''
    if (equalPos > 0):
      tmp = line[2:equalPos].strip()
    else:
      tmp = line.strip()
    if tmp.endswith(" [arch]"):
      tmp = tmp[0:len(tmp) - 7]
    if (len(tmp) > 0) and (" - " not in tmp) and (tmp != 'KDevelop3'):
      cmakeGenerators.append(tmp)

  generators = []
  for genObj in generatorObjects:
    generators.append(genObj['name'])

  generators.sort()
  cmakeGenerators.sort()

  for gen in cmakeGenerators:
    if (not gen in generators):
        sys.exit(1)

  gen = packet['generator']
  if (gen != '' and not (gen in generators)):
    sys.exit(1)

  for i in data:
    print("Validating", i)
    if (packet[i] != data[i]):
      sys.exit(1)