def test_get_first(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
self.assertEqual(linked.get('/string', strategy=FindStrategy.FIRST), 'other')
self.assertEqual(linked.get('/list/0', strategy=FindStrategy.FIRST), 'some')
self.assertEqual(linked.get('/nonexistent'), None)
def test_default_merge(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
sentinel = object()
self.assertIs(linked.get('/nonexistent', sentinel, strategy=FindStrategy.MERGE),
sentinel)
def test_cd(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
subset = linked.cd('/dict')
self.assertEqual(subset.get('/a'), 'A')
self.assertEqual(subset.get('/x'), 'X')
def test_eq(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
delve3 = DataDelver(delve1.get('').copy())
linked = ChainedDelver(delve1, delve2)
notequal = ChainedDelver(delve2, delve1)
equal = ChainedDelver(delve3, delve2)
self.assertNotEqual(linked, notequal)
self.assertEqual(linked, equal)
def test_symlink(self):
link = Path('/tmp/symlink')
try:
link.symlink_to(self.file1.name)
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(link)
with self.assertRaises(DuplicateInChainError):
ChainedDelver(delve1, delve2)
finally:
link.unlink()
def test_get_merge(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
self.assertEqual(linked.get('/list', strategy=FindStrategy.MERGE),
['string', 1, None, True, 'some', 'more'])
self.assertEqual(linked.get('/dict', strategy=FindStrategy.MERGE),
{'a': 'A', 'b': 'B', 'x': 'X', 'y': 'Y'})
self.assertEqual(linked.get('/sometimes', strategy=FindStrategy.MERGE), ['here'])
with self.assertRaises(MergeError):
linked.get('/string', strategy=FindStrategy.MERGE)
def test_get_collect(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
self.assertEqual(linked.get('/string', strategy=FindStrategy.COLLECT),
['other', 'value'])
self.assertEqual(linked.get('/list', strategy=FindStrategy.COLLECT),
[['some', 'more'], ['string', 1, None, True]])
self.assertEqual(linked.get('/dict', strategy=FindStrategy.COLLECT),
[{'x': 'X', 'y': 'Y'}, {'a': 'A', 'b': 'B'}])
self.assertEqual(linked.get('/sometimes', strategy=FindStrategy.COLLECT), [['here']])
def test_default(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
sentinel = object()
self.assertIs(linked.get('/nonexistent', sentinel), sentinel)
def test_delete_nonexistent(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
linked.delete('/nonexistent')
def test_delete_readonly(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name, readonly=True)
linked = ChainedDelver(delve1, delve2)
with self.assertRaises(ReadonlyError):
linked.delete('/list')
def test_delete(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
linked.delete('/list')
self.assertIsNone(linked.get('/list'))
def test_set(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
linked = ChainedDelver(delve1, delve2)
linked.set('/new', 'foo')
self.assertEqual(linked.get('/new'), 'foo')