def test_clear(self):
d = {'truth': 42}
with open(self.filepath, 'w') as f:
json.dump(d, f)
df = DictFile(self.filepath)
df.clear()
# Ensure its empty
self.assertEqual(df, {})
# Ensure its empty, even if we re-read the file from the filesystem
self.assertEqual(DictFile(self.filepath), {})
def test_save(self):
df1 = DictFile(self.filepath)
df1['truth'] = 42
df1.save()
df2 = DictFile(self.filepath)
self.assertEqual(df2['truth'], 42)
