Lesson 35 - Get Compute Auth Token Working
This commit is contained in:
Norman Lansing
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#! /usr/bin/env python
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from __future__ import print_function
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import sys
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import textwrap
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try:
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import argparse
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except ImportError:
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print(textwrap.dedent("""
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The argparse library could not be imported. jsonschema_suite requires
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either Python 2.7 or for you to install argparse. You can do so by
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running `pip install argparse`, `easy_install argparse` or by
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downloading argparse and running `python2.6 setup.py install`.
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See https://pypi.python.org/pypi/argparse for details.
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""".strip("\n")))
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sys.exit(1)
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import errno
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import fnmatch
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import json
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import os
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import random
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import shutil
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import unittest
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import warnings
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if getattr(unittest, "skipIf", None) is None:
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unittest.skipIf = lambda cond, msg : lambda fn : fn
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try:
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import jsonschema
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except ImportError:
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jsonschema = None
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else:
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validators = getattr(
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jsonschema.validators, "validators", jsonschema.validators
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)
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ROOT_DIR = os.path.join(
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os.path.dirname(__file__), os.pardir).rstrip("__pycache__")
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SUITE_ROOT_DIR = os.path.join(ROOT_DIR, "tests")
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REMOTES = {
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"integer.json": {"type": "integer"},
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"subSchemas.json": {
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"integer": {"type": "integer"},
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"refToInteger": {"$ref": "#/integer"},
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},
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"folder/folderInteger.json": {"type": "integer"}
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}
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REMOTES_DIR = os.path.join(ROOT_DIR, "remotes")
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TESTSUITE_SCHEMA = {
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"$schema": "http://json-schema.org/draft-03/schema#",
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"description": {"type": "string", "required": True},
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"schema": {"required": True},
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"tests": {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"description": {"type": "string", "required": True},
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"data": {"required": True},
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"valid": {"type": "boolean", "required": True}
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},
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"additionalProperties": False
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},
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"minItems": 1
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}
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},
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"additionalProperties": False,
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"minItems": 1
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}
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}
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def files(paths):
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for path in paths:
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with open(path) as test_file:
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yield json.load(test_file)
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def groups(paths):
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for test_file in files(paths):
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for group in test_file:
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yield group
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def cases(paths):
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for test_group in groups(paths):
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for test in test_group["tests"]:
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test["schema"] = test_group["schema"]
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yield test
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def collect(root_dir):
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for root, dirs, files in os.walk(root_dir):
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for filename in fnmatch.filter(files, "*.json"):
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yield os.path.join(root, filename)
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class SanityTests(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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print("Looking for tests in %s" % SUITE_ROOT_DIR)
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cls.test_files = list(collect(SUITE_ROOT_DIR))
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print("Found %s test files" % len(cls.test_files))
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assert cls.test_files, "Didn't find the test files!"
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def test_all_files_are_valid_json(self):
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for path in self.test_files:
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with open(path) as test_file:
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try:
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json.load(test_file)
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except ValueError as error:
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self.fail("%s contains invalid JSON (%s)" % (path, error))
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def test_all_descriptions_have_reasonable_length(self):
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for case in cases(self.test_files):
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descript = case["description"]
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self.assertLess(
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len(descript),
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60,
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"%r is too long! (keep it to less than 60 chars)" % (descript,)
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)
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def test_all_descriptions_are_unique(self):
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for group in groups(self.test_files):
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descriptions = set(test["description"] for test in group["tests"])
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self.assertEqual(
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len(descriptions),
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len(group["tests"]),
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"%r contains a duplicate description" % (group,)
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)
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@unittest.skipIf(jsonschema is None, "Validation library not present!")
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def test_all_schemas_are_valid(self):
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for schema in os.listdir(SUITE_ROOT_DIR):
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schema_validator = validators.get(schema)
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if schema_validator is not None:
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test_files = collect(os.path.join(SUITE_ROOT_DIR, schema))
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for case in cases(test_files):
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try:
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schema_validator.check_schema(case["schema"])
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except jsonschema.SchemaError as error:
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self.fail("%s contains an invalid schema (%s)" %
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(case, error))
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else:
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warnings.warn("No schema validator for %s" % schema)
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@unittest.skipIf(jsonschema is None, "Validation library not present!")
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def test_suites_are_valid(self):
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validator = jsonschema.Draft3Validator(TESTSUITE_SCHEMA)
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for tests in files(self.test_files):
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try:
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validator.validate(tests)
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except jsonschema.ValidationError as error:
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self.fail(str(error))
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def test_remote_schemas_are_updated(self):
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for url, schema in REMOTES.items():
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filepath = os.path.join(REMOTES_DIR, url)
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with open(filepath) as schema_file:
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self.assertEqual(json.load(schema_file), schema)
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def main(arguments):
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if arguments.command == "check":
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suite = unittest.TestLoader().loadTestsFromTestCase(SanityTests)
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result = unittest.TextTestRunner(verbosity=2).run(suite)
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sys.exit(not result.wasSuccessful())
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elif arguments.command == "flatten":
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selected_cases = [case for case in cases(collect(arguments.version))]
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if arguments.randomize:
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random.shuffle(selected_cases)
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json.dump(selected_cases, sys.stdout, indent=4, sort_keys=True)
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elif arguments.command == "remotes":
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json.dump(REMOTES, sys.stdout, indent=4, sort_keys=True)
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elif arguments.command == "dump_remotes":
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if arguments.update:
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shutil.rmtree(arguments.out_dir, ignore_errors=True)
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try:
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os.makedirs(arguments.out_dir)
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except OSError as e:
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if e.errno == errno.EEXIST:
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print("%s already exists. Aborting." % arguments.out_dir)
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sys.exit(1)
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raise
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for url, schema in REMOTES.items():
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filepath = os.path.join(arguments.out_dir, url)
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try:
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os.makedirs(os.path.dirname(filepath))
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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with open(filepath, "wb") as out_file:
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json.dump(schema, out_file, indent=4, sort_keys=True)
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elif arguments.command == "serve":
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try:
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from flask import Flask, jsonify
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except ImportError:
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print(textwrap.dedent("""
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The Flask library is required to serve the remote schemas.
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You can install it by running `pip install Flask`.
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Alternatively, see the `jsonschema_suite remotes` or
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`jsonschema_suite dump_remotes` commands to create static files
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that can be served with your own web server.
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""".strip("\n")))
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sys.exit(1)
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app = Flask(__name__)
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@app.route("/<path:path>")
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def serve_path(path):
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if path in REMOTES:
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return jsonify(REMOTES[path])
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return "Document does not exist.", 404
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app.run(port=1234)
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parser = argparse.ArgumentParser(
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description="JSON Schema Test Suite utilities",
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)
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subparsers = parser.add_subparsers(help="utility commands", dest="command")
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check = subparsers.add_parser("check", help="Sanity check the test suite.")
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flatten = subparsers.add_parser(
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"flatten",
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help="Output a flattened file containing a selected version's test cases."
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)
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flatten.add_argument(
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"--randomize",
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action="store_true",
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help="Randomize the order of the outputted cases.",
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)
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flatten.add_argument(
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"version", help="The directory containing the version to output",
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)
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remotes = subparsers.add_parser(
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"remotes",
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help="Output the expected URLs and their associated schemas for remote "
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"ref tests as a JSON object."
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)
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dump_remotes = subparsers.add_parser(
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"dump_remotes", help="Dump the remote ref schemas into a file tree",
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)
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dump_remotes.add_argument(
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"--update",
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action="store_true",
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help="Update the remotes in an existing directory.",
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)
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dump_remotes.add_argument(
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"--out-dir",
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default=REMOTES_DIR,
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type=os.path.abspath,
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help="The output directory to create as the root of the file tree",
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)
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serve = subparsers.add_parser(
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"serve",
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help="Start a webserver to serve schemas used by remote ref tests."
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)
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if __name__ == "__main__":
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main(parser.parse_args())
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