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import copy
from nose2.tools.such import helper
import dpath
from dpath import MergeType
def test_merge_typesafe_and_separator():
src = {
"dict": {
"integer": 0,
},
}
dst = {
"dict": {
"integer": "3",
},
}
try:
dpath.merge(dst, src, flags=(dpath.MergeType.ADDITIVE | dpath.MergeType.TYPESAFE), separator=";")
except TypeError as e:
assert str(e).endswith("dict;integer")
return
raise Exception("MERGE_TYPESAFE failed to raise an exception when merging between str and int!")
def test_merge_simple_int():
src = {
"integer": 0,
}
dst = {
"integer": 3,
}
dpath.merge(dst, src)
assert dst["integer"] == src["integer"], "%r != %r" % (dst["integer"], src["integer"])
def test_merge_simple_string():
src = {
"string": "lol I am a string",
}
dst = {
"string": "lol I am a string",
}
dpath.merge(dst, src)
assert dst["string"] == src["string"], "%r != %r" % (dst["string"], src["string"])
def test_merge_simple_list_additive():
src = {
"list": [7, 8, 9, 10],
}
dst = {
"list": [0, 1, 2, 3],
}
dpath.merge(dst, src, flags=MergeType.ADDITIVE)
assert dst["list"] == [0, 1, 2, 3, 7, 8, 9, 10], "%r != %r" % (dst["list"], [0, 1, 2, 3, 7, 8, 9, 10])
def test_merge_simple_list_replace():
src = {
"list": [7, 8, 9, 10],
}
dst = {
"list": [0, 1, 2, 3],
}
dpath.merge(dst, src, flags=dpath.MergeType.REPLACE)
assert dst["list"] == [7, 8, 9, 10], "%r != %r" % (dst["list"], [7, 8, 9, 10])
def test_merge_simple_dict():
src = {
"dict": {
"key": "WEHAW",
},
}
dst = {
"dict": {
"key": "",
},
}
dpath.merge(dst, src)
assert dst["dict"]["key"] == src["dict"]["key"], "%r != %r" % (dst["dict"]["key"], src["dict"]["key"])
def test_merge_filter():
def afilter(x):
if "rubber" not in str(x):
return False
return True
src = {
"key": "metal",
"key2": "rubber",
"otherdict": {
"key3": "I shouldn't be here",
},
}
dst = {}
dpath.merge(dst, src, afilter=afilter)
assert "key2" in dst
assert "key" not in dst
assert "otherdict" not in dst
def test_merge_typesafe():
src = {
"dict": {
},
}
dst = {
"dict": [
],
}
helper.assertRaises(TypeError, dpath.merge, dst, src, flags=dpath.MergeType.TYPESAFE)
def test_merge_mutables():
class tcid(dict):
pass
class tcis(list):
pass
src = {
"mm": {
"a": "v1",
},
"ms": [
0,
],
}
dst = {
"mm": tcid([
("a", "v2"),
("casserole", "this should keep"),
]),
"ms": tcis(['a', 'b', 'c']),
}
dpath.merge(dst, src)
print(dst)
assert dst["mm"]["a"] == src["mm"]["a"]
assert dst['ms'][2] == 'c'
assert "casserole" in dst["mm"]
helper.assertRaises(TypeError, dpath.merge, dst, src, flags=dpath.MergeType.TYPESAFE)
def test_merge_replace_1():
dct_a = {"a": {"b": [1, 2, 3]}}
dct_b = {"a": {"b": [1]}}
dpath.merge(dct_a, dct_b, flags=dpath.MergeType.REPLACE)
assert len(dct_a['a']['b']) == 1
def test_merge_replace_2():
d1 = {'a': [0, 1, 2]}
d2 = {'a': ['a']}
dpath.merge(d1, d2, flags=dpath.MergeType.REPLACE)
assert len(d1['a']) == 1
assert d1['a'][0] == 'a'
def test_merge_list():
src = {"l": [1]}
p1 = {"l": [2], "v": 1}
p2 = {"v": 2}
dst1 = {}
for d in [copy.deepcopy(src), copy.deepcopy(p1)]:
dpath.merge(dst1, d)
dst2 = {}
for d in [copy.deepcopy(src), copy.deepcopy(p2)]:
dpath.merge(dst2, d)
assert dst1["l"] == [1, 2]
assert dst2["l"] == [1]
dst1 = {}
for d in [src, p1]:
dpath.merge(dst1, d)
dst2 = {}
for d in [src, p2]:
dpath.merge(dst2, d)
assert dst1["l"] == [1, 2]
assert dst2["l"] == [1, 2]
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