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import datetime
import decimal
import time
from unittest import mock
from nose2.tools.such import helper
import dpath
def test_util_get_root():
x = {'p': {'a': {'t': {'h': 'value'}}}}
ret = dpath.get(x, '/p/a/t/h')
assert ret == 'value'
ret = dpath.get(x, '/')
assert ret == x
ret = dpath.get(x, [])
assert ret == x
def test_get_explicit_single():
ehash = {
"a": {
"b": {
"c": {
"d": 0,
"e": 1,
"f": 2,
},
},
},
}
assert dpath.get(ehash, '/a/b/c/f') == 2
assert dpath.get(ehash, ['a', 'b', 'c', 'f']) == 2
assert dpath.get(ehash, ['a', 'b', 'c', 'f'], default=5) == 2
assert dpath.get(ehash, ['does', 'not', 'exist'], default=None) is None
assert dpath.get(ehash, ['doesnt', 'exist'], default=5) == 5
def test_get_glob_single():
ehash = {
"a": {
"b": {
"c": {
"d": 0,
"e": 1,
"f": 2,
},
},
},
}
assert dpath.get(ehash, '/a/b/*/f') == 2
assert dpath.get(ehash, ['a', 'b', '*', 'f']) == 2
assert dpath.get(ehash, ['a', 'b', '*', 'f'], default=5) == 2
assert dpath.get(ehash, ['doesnt', '*', 'exist'], default=6) == 6
def test_get_glob_multiple():
ehash = {
"a": {
"b": {
"c": {
"d": 0,
},
"e": {
"d": 0,
},
},
},
}
helper.assertRaises(ValueError, dpath.get, ehash, '/a/b/*/d')
helper.assertRaises(ValueError, dpath.get, ehash, ['a', 'b', '*', 'd'])
helper.assertRaises(ValueError, dpath.get, ehash, ['a', 'b', '*', 'd'], default=3)
def test_get_absent():
ehash = {}
helper.assertRaises(KeyError, dpath.get, ehash, '/a/b/c/d/f')
helper.assertRaises(KeyError, dpath.get, ehash, ['a', 'b', 'c', 'd', 'f'])
def test_values():
ehash = {
"a": {
"b": {
"c": {
"d": 0,
"e": 1,
"f": 2,
},
},
},
}
ret = dpath.values(ehash, '/a/b/c/*')
assert isinstance(ret, list)
assert 0 in ret
assert 1 in ret
assert 2 in ret
ret = dpath.values(ehash, ['a', 'b', 'c', '*'])
assert isinstance(ret, list)
assert 0 in ret
assert 1 in ret
assert 2 in ret
@mock.patch('dpath.search')
def test_values_passes_through(searchfunc):
searchfunc.return_value = []
def y():
return False
dpath.values({}, '/a/b', ':', y, False)
searchfunc.assert_called_with({}, '/a/b', True, ':', y, False)
dpath.values({}, ['a', 'b'], ':', y, False)
searchfunc.assert_called_with({}, ['a', 'b'], True, ':', y, False)
def test_none_values():
d = {'p': {'a': {'t': {'h': None}}}}
v = dpath.get(d, 'p/a/t/h')
assert v is None
def test_values_list():
a = {
'actions': [
{
'type': 'correct',
},
{
'type': 'incorrect',
},
],
}
ret = dpath.values(a, 'actions/*')
assert isinstance(ret, list)
assert len(ret) == 2
def test_non_leaf_leaf():
# The leaves in this test aren't leaf(thing) == True, but we should still
# be able to get them. They should also not prevent fetching other values.
def func(x):
return x
testdict = {
'a': func,
'b': lambda x: x,
'c': [
{
'a',
'b',
},
],
'd': [
decimal.Decimal(1.5),
decimal.Decimal(2.25),
],
'e': datetime.datetime(2020, 1, 1),
'f': {
'config': 'something',
},
}
# It should be possible to get the callables:
assert dpath.get(testdict, 'a') == func
assert dpath.get(testdict, 'b')(42) == 42
# It should be possible to get other values:
assert dpath.get(testdict, 'c/0') == testdict['c'][0]
assert dpath.get(testdict, 'd')[0] == testdict['d'][0]
assert dpath.get(testdict, 'd/0') == testdict['d'][0]
assert dpath.get(testdict, 'd/1') == testdict['d'][1]
assert dpath.get(testdict, 'e') == testdict['e']
# Values should also still work:
assert dpath.values(testdict, 'f/config') == ['something']
# Data classes should also be retrievable:
try:
import dataclasses
except:
return
@dataclasses.dataclass
class Connection:
group_name: str
channel_name: str
last_seen: float
testdict['g'] = {
'my-key': Connection(
group_name='foo',
channel_name='bar',
last_seen=time.time(),
),
}
assert dpath.search(testdict, 'g/my*')['g']['my-key'] == testdict['g']['my-key']
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