pythonpubcrawl/yamlRx.py at master · frankV/pythonpubcrawl · GitHub

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# yamlRx.py
# Created by frankV
# PythonPubCrawler
# https://github.com/frankV/pythonpubcrawl

""" yamlRx.py -- main  """

import os, sys

""" import rx (yaml verification) from submodule directory """
sys.path.insert(0, os.getcwd()+'/rx/python/')
import Rx

import re, yaml


# plan(None)

rx = Rx.Factory({ "register_core_types": True });

# isa_ok(rx, Rx.Factory)

def verify(filename):

	index = yaml.load(filename)

	test_data     = {}
	test_schemata = {}

	def normalize(entries, test_data):
	  if entries == '*':
	    entries = { "*": None }

	  if type(entries) is type([]):
	    new_entries = { }
	    for n in entries: new_entries[n] = None
	    entries = new_entries

	  if len(entries) == 1 and entries.has_key('*'):
	    value = entries["*"]
	    entries = { }
	    for k in test_data.keys(): entries[k] = value

	  return entries

	for filename in index:
	  if filename == yaml.load(filename): continue
	  payload = json.loads(file(filename).read())

	  parts = filename.split('/')
	  parts.pop(0)

	  leaf_name = '/'.join(parts[1:])
	  leaf_name = re.sub('\.yaml$', '', leaf_name)

	  filetype = parts.pop(0)

	  if filetype == 'schemata':
	    test_schemata[ leaf_name ] = payload
	  elif filetype == 'data':
	    test_data[ leaf_name ] = {}

	    if type(payload) is type([]):
	      for data_str in payload:
	        boxed_data = json.loads("[ %s ]" % data_str)
	        test_data[ leaf_name ][ data_str ] = boxed_data[0]

	    else:
	      for entry in payload.keys():
	        boxed_data = json.loads("[ %s ]" % payload[entry])
	        test_data[ leaf_name ][ entry ] = boxed_data[0]
	  else:
	    raise StandardError("weird file in data dir: %s" % filename)

	schema_names = test_schemata.keys()
	schema_names.sort()

	for schema_name in schema_names:
	  rx = Rx.Factory({ "register_core_types": True });

	  schema_test_spec = test_schemata[ schema_name ]

	  if schema_test_spec.get("composedtype", False):
	    try:
	      rx.learn_type(schema_test_spec['composedtype']['uri'],
	                    schema_test_spec['composedtype']['schema'])
	    except Rx.Error, e:
	      if schema_test_spec['composedtype'].get("invalid", False):
	        ok(1, "BAD COMPOSED TYPE: schemata %s" % schema_name)
	        continue
	      else:
	        raise

	    if schema_test_spec['composedtype'].get("invalid", False):
	      ok(0, "BAD COMPOSED TYPE: schemata %s" % schema_name)

	    if schema_test_spec['composedtype'].get("prefix", False):
	       rx.add_prefix(schema_test_spec['composedtype']['prefix'][0],
	                     schema_test_spec['composedtype']['prefix'][1])

	  try:
	    schema = rx.make_schema(schema_test_spec["schema"])
	  except Rx.Error, e:
	    if schema_test_spec.get("invalid", False):
	      ok(1, "BAD SCHEMA: schemata %s" % schema_name)
	      continue
	    else:
	      raise

	  if schema_test_spec.get("invalid", False):
	    ok(0, "BAD SCHEMA: schemata %s" % schema_name)
	    continue

	  if not schema: raise StandardError("got no schema obj for valid input")

	  for pf in [ 'pass', 'fail' ]:
	    for source in schema_test_spec.get(pf, []):
	      to_test = schema_test_spec[pf][ source ]

	      to_test = normalize(to_test, test_data[ source ])
	      # if to_test == '*': to_test = test_data[ source ].keys()

	      for entry in to_test:
	        result = schema.check( test_data[source][entry] )

	        desc = "%s/%s against %s" % (source, entry, schema_name)

	        if pf == 'pass':
	          ok(result, "VALID  : %s" % desc)
	        else:
	          ok(not(result), "INVALID: %s" % desc)