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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
test_FileJSON.py
~~~~~~~~~~~~~~~~
FileJSON test suite
:copyright: (c) 2013 by Jauhien Piatlicki
:license: GPL-2, see LICENSE for more details.
"""
import json
import os
import unittest
from g_sorcery.fileutils import FileJSON
from g_sorcery.exceptions import FileJSONError
from tests.base import BaseTest
class NonSerializableClass(object):
pass
class SerializableClass(object):
__slots__ = ("field1", "field2")
def __init__(self, field1, field2):
self.field1 = field1
self.field2 = field2
def __eq__(self, other):
return self.field1 == other.field1 \
and self.field2 == other.field2
def serialize(self):
return {"field1": self.field1, "field2": self.field2}
class DeserializableClass(SerializableClass):
@classmethod
def deserialize(cls, value):
return DeserializableClass(value["field1"], value["field2"])
class TestFileJSON(BaseTest):
def setUp(self):
super(TestFileJSON, self).setUp()
self.directory = os.path.join(self.tempdir.name, 'tst')
self.name = 'tst.json'
self.path = os.path.join(self.directory, self.name)
def test_read_nonexistent(self):
fj = FileJSON(self.directory, self.name, [])
content = fj.read()
self.assertEqual(content, {})
self.assertTrue(os.path.isfile(self.path))
def test_read_nonexistent_mandatory_key(self):
fj = FileJSON(self.directory, self.name, ["mandatory1", "mandatory2"])
content = fj.read()
self.assertEqual(content, {"mandatory1":"", "mandatory2":""})
self.assertTrue(os.path.isfile(self.path))
def test_read_luck_of_mandatory_key(self):
fj = FileJSON(self.directory, self.name, ["mandatory"])
os.makedirs(self.directory)
with open(self.path, 'w') as f:
json.dump({"test":"test"}, f)
self.assertRaises(FileJSONError, fj.read)
def test_write_luck_of_mandatory_key(self):
fj = FileJSON(self.directory, self.name, ["mandatory"])
self.assertRaises(FileJSONError, fj.write, {"test":"test"})
def test_write_read(self):
fj = FileJSON(self.directory, self.name, ["mandatory"])
content = {"mandatory":"1", "test":"2"}
fj.write(content)
content_r = fj.read()
self.assertEqual(content, content_r)
def test_serializable(self):
fj = FileJSON(self.directory, self.name, [])
content = SerializableClass("1", "2")
fj.write(content)
content_r = fj.read()
self.assertEqual(content_r, {"field1":"1", "field2":"2"})
self.assertRaises(TypeError, fj.write, NonSerializableClass())
def test_deserializable(self):
fj = FileJSON(self.directory, self.name, [])
content = DeserializableClass("1", "2")
fj.write(content)
content_r = fj.read()
self.assertEqual(content, content_r)
def suite():
suite = unittest.TestSuite()
suite.addTest(TestFileJSON('test_read_nonexistent'))
suite.addTest(TestFileJSON('test_read_nonexistent_mandatory_key'))
suite.addTest(TestFileJSON('test_read_luck_of_mandatory_key'))
suite.addTest(TestFileJSON('test_write_luck_of_mandatory_key'))
suite.addTest(TestFileJSON('test_write_read'))
suite.addTest(TestFileJSON('test_serializable'))
suite.addTest(TestFileJSON('test_deserializable'))
return suite
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