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80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
from unittest import TestCase
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import os
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import shutil
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import pathlib
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from tsih import Dict
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ROOT = pathlib.Path(os.path.abspath(os.path.dirname(__file__)))
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DBROOT = ROOT / 'testdb'
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class TestTsih(TestCase):
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def setUp(self):
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if not os.path.exists(DBROOT):
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os.makedirs(DBROOT)
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def tearDown(self):
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if os.path.exists(DBROOT):
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shutil.rmtree(DBROOT)
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def test_basic(self):
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'''The data stored in each version should be retrievable'''
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d = Dict()
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d['text'] = 'hello'
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d.version = 1
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d['text'] = 'world'
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assert d[(0, 'text')] == 'hello'
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assert d[(1, 'text')] == 'world'
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def test_auto_version(self):
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'''Changing a value when `auto_version` is on should produce a new version automatically'''
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d = Dict(version=0, auto_version=True)
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d['text'] = 'hello'
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d['text'] = 'world'
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assert d[(1, 'text')] == 'hello'
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assert d[(2, 'text')] == 'world'
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def test_serialized(self):
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'''
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Using the same database should enable retrieving the values of a previous
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dictionary.
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'''
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d = Dict(name='robot', db_path=DBROOT / 'basic.sqlite')
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d['text'] = 'hello'
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d.version = 25
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d['text'] = 'world'
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assert d[(0, 'text')] == 'hello'
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assert d[(24, 'text')] == 'hello'
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assert d[(25, 'text')] == 'world'
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del d
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recovered = Dict(name='robot', db_path=DBROOT / 'basic.sqlite')
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assert recovered[(0, 'text')] == 'hello'
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assert recovered[(24, 'text')] == 'hello'
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assert recovered[(25, 'text')] == 'world'
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def test_custom(self):
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'''
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Inheriting from the Dict class should not change the behavior.
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'''
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class CustomDict(Dict):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, db_path=DBROOT / 'custom.sqlite', **kwargs)
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d = CustomDict(name='robot')
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d['text'] = 'hello'
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d.version = 25
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d['text'] = 'world'
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assert d[(0, 'text')] == 'hello'
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assert d[(24, 'text')] == 'hello'
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assert d[(25, 'text')] == 'world'
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del d
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recovered = CustomDict(name='robot')
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assert recovered[(0, 'text')] == 'hello'
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assert recovered[(24, 'text')] == 'hello'
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assert recovered[(26, 'text')] == 'world'
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