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test_comparator.py
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test_comparator.py
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"""Unit tests for :mod:`prov_interop.comparator`.
"""
# Copyright (c) 2015 University of Southampton
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from __future__ import (absolute_import, division, print_function,
unicode_literals)
import os
import tempfile
import unittest
from prov_interop import standards
from prov_interop.component import ConfigError
from prov_interop.comparator import Comparator
from prov_interop.comparator import ComparisonError
class ComparatorTestCase(unittest.TestCase):
def setUp(self):
super(ComparatorTestCase, self).setUp()
self.comparator = Comparator()
self.file1 = None
self.file2 = None
self.formats = [standards.PROVN, standards.JSON]
self.config = {Comparator.FORMATS: self.formats}
def tearDown(self):
super(ComparatorTestCase, self).tearDown()
for tmp in [self.file1, self.file2]:
if tmp != None and os.path.isfile(tmp):
os.remove(tmp)
def test_init(self):
self.assertEqual([], self.comparator.formats)
def test_configure(self):
self.comparator.configure(self.config)
self.assertEqual(self.formats, self.comparator.formats)
def test_configure_non_dict_error(self):
with self.assertRaises(ConfigError):
self.comparator.configure(123)
def test_configure_no_formats(self):
with self.assertRaises(ConfigError):
self.comparator.configure({})
def test_configure_non_canonical_format(self):
self.config[Comparator.FORMATS].append("invalidFormat")
with self.assertRaises(ConfigError):
self.comparator.configure(self.config)
def test_compare_missing_file1(self):
self.file1 = "nosuchfile." + standards.JSON
(_, self.file2) = tempfile.mkstemp(suffix="." + standards.JSON)
with self.assertRaises(ComparisonError):
self.comparator.compare(self.file1, self.file2)
def test_compare_missing_file2(self):
(_, self.file1) = tempfile.mkstemp(suffix="." + standards.JSON)
self.file2 = "nosuchfile." + standards.JSON
with self.assertRaises(ComparisonError):
self.comparator.compare(self.file1, self.file2)
def test_check_format_invalid_format(self):
self.comparator.configure(self.config)
with self.assertRaises(ComparisonError):
self.comparator.check_format("nosuchformat")