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tests: Improve partial_compare output.

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This commit is contained in:
Florian Bruhin 2015-11-12 19:04:37 +01:00
parent 256352024b
commit 9c5ce8a688
1 changed files with 32 additions and 22 deletions
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54
tests/helpers/utils.py
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@ -21,31 +21,38 @@
import fnmatch
import pprint
def _partial_compare_dict(val1, val2):
def print_i(text, indent, error=False):
if error:
text = '| ****** {} ******'.format(text)
for line in text.splitlines():
print('| ' * indent + line)
def _partial_compare_dict(val1, val2, *, indent=0):
for key in val2:
if key not in val1:
print("Key {!r} is in second dict but not in first!".format(key))
print_i("Key {!r} is in second dict but not in first!".format(key),
indent, error=True)
return False
if not partial_compare(val1[key], val2[key]):
print("Comparison failed for {!r} and {!r}!".format(
val1[key], val2[key]))
if not partial_compare(val1[key], val2[key], indent=indent+1):
return False
return True
def _partial_compare_list(val1, val2):
def _partial_compare_list(val1, val2, *, indent=0):
if len(val1) < len(val2):
print("Second list is longer than first list -> False!")
print_i("Second list is longer than first list", indent, error=True)
return False
for item1, item2 in zip(val1, val2):
if not partial_compare(item1, item2):
if not partial_compare(item1, item2, indent=indent+1):
return False
return True
def partial_compare(val1, val2):
def partial_compare(val1, val2, *, indent=0):
"""Do a partial comparison between the given values.
For dicts, keys in val2 are checked, others are ignored.
@ -54,31 +61,34 @@ def partial_compare(val1, val2):
This happens recursively.
"""
print()
print("Comparing\n {!r}\nto\n {!r}".format(val1, val2))
print_i("Comparing", indent)
print_i(pprint.pformat(val1), indent + 1)
print_i("|---- to ----", indent)
print_i(pprint.pformat(val2), indent + 1)
if val2 is Ellipsis:
print("Ignoring ellipsis comparison")
print_i("Ignoring ellipsis comparison", indent, error=True)
return True
elif type(val1) != type(val2): # pylint: disable=unidiomatic-typecheck
print("Different types ({}, {}) -> False".format(
type(val1), type(val2)))
print_i("Different types ({}, {}) -> False".format(
type(val1), type(val2)), indent, error=True)
return False
if isinstance(val2, dict):
print("Comparing as dicts")
equal = _partial_compare_dict(val1, val2)
print_i("|======= Comparing as dicts", indent)
equal = _partial_compare_dict(val1, val2, indent=indent)
elif isinstance(val2, list):
print("Comparing as lists")
equal = _partial_compare_list(val1, val2)
print_i("|======= Comparing as lists", indent)
equal = _partial_compare_list(val1, val2, indent=indent)
elif isinstance(val2, float):
print("Doing float comparison")
print_i("|======= Doing float comparison", indent)
equal = abs(val1 - val2) < 0.00001
elif isinstance(val2, str):
print("Doing string comparison")
print_i("|======= Doing string comparison", indent)
equal = fnmatch.fnmatchcase(val1, val2)
else:
print("Comparing via ==")
print_i("|======= Comparing via ==", indent)
equal = val1 == val2
print("---> {}".format(equal))
print_i("---> {}".format(equal), indent)
return equal