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import friendly_traceback
def test_Not_enough_values_to_unpack():
d = (1,)
try:
a, b, *c = d
except ValueError:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert (
"ValueError: not enough values to unpack (expected at least 2, got 1)" in result
)
if friendly_traceback.get_lang() == "en":
assert "a `tuple` of length 1" in result
try:
for x, y, z in enumerate(range(3)):
pass
except ValueError:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: not enough values to unpack (expected 3, got 2)" in result
d = "ab"
try:
a, b, c = d
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: not enough values to unpack (expected 3, got 2)" in result
if friendly_traceback.get_lang() == "en":
assert "a string (`str`) of length 2" in result
if friendly_traceback._writing_docs:
return result, message
def test_Too_many_values_to_unpack():
c = [1, 2, 3]
try:
a, b = c
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: too many values to unpack (expected 2)" in result
if friendly_traceback.get_lang() == "en":
assert "a `list` of length 3" in result
if friendly_traceback._writing_docs:
return result, message
def test_Date_invalid_month():
from datetime import date
try:
d = date(2021, 13, 1)
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "month must be in 1..12" in result
if friendly_traceback.get_lang() == "en":
assert "Valid values are integers, from 1 to 12" in result
if friendly_traceback._writing_docs:
return result, message
def test_Slots_conflicts_with_class_variable():
try:
class F:
__slots__ = ["a", "b"]
a = 1
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "'a' in __slots__ conflicts with class variable" in result
if friendly_traceback.get_lang() == "en":
assert "is used both as the name of a class variable" in result
if friendly_traceback._writing_docs:
return result, message
def test_Could_not_convert_to_float():
try:
float("42b")
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "could not convert string to float: '42b'" in result
if friendly_traceback.get_lang() == "en":
assert "The string `42b` cannot be converted to a `float`" in result
if friendly_traceback._writing_docs:
return result, message
def test_Pow_third_arg_cannot_be_zero():
a = 0
try:
pow(2, 4, a)
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "pow() 3rd argument cannot be 0" in result
if friendly_traceback.get_lang() == "en":
assert "The third argument of the function `pow()` cannot be zero" in result
if friendly_traceback._writing_docs:
return result, message
def test_time_strptime_incorrect_format(): # issue 78
import os
# For some reason, this test takes a long time on github.
# This should have been fixed by requiring stack_data >= 0.1.3
# but it apparently has not.
if "andre" not in os.getcwd().lower():
print("test for issue #78 skipped")
return
import time
try:
time.strptime("2020-01-01", "%d %m %Y")
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "time data '2020-01-01' does not match format '%d %m %Y'" in result
if friendly_traceback.get_lang() == "en":
assert "The value you gave for the time is not in the format you specified." in result
if friendly_traceback._writing_docs:
return result, message
def test_Convert_to_int():
english = friendly_traceback.get_lang() == "en"
try:
int('13a', base=0)
except ValueError:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: invalid literal for int() with base" in result
if english:
assert "When base `0` is specified, `int()` expects" in result
try:
int("13x", base=16)
except ValueError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: invalid literal for int() with base" in result
if english:
assert "The following characters are not allowed: `x`" in result
try:
int("1 2") # issue 90
except ValueError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: invalid literal for int() with base" in result
if english:
assert "The following characters are not allowed: ` `." in result
try:
int("1898", base=5)
except ValueError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: invalid literal for int() with base" in result
if english:
assert "The following characters are not allowed: `8, 9`" in result
try:
int('1e6')
except ValueError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: invalid literal for int() with base" in result
if english:
assert "needs to be first converted using `float()`" in result
try:
int('13a')
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ValueError: invalid literal for int() with base" in result
if english:
assert "The following characters are not allowed: `a`" in result
if friendly_traceback._writing_docs:
return result, message
def test_int_base_not_in_range():
try:
int('18', base=37)
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "int() base must be >= 2 and <= 36, or 0" in result
if friendly_traceback.get_lang() == "en":
assert "You wrote 37 which is not allowed." in result
if friendly_traceback._writing_docs:
return result, message
def test_remove_item_not_in_list():
try:
[1, 2, 3] . remove ( 4 )
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "list.remove(x): x not in list" in result
if friendly_traceback.get_lang() == "en":
assert "`[1, 2, 3]` does not contain `4`"
a_list = [1, 2, 3]
b = 4
try:
a_list.remove(b)
except ValueError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "list.remove(x): x not in list" in result
if friendly_traceback.get_lang() == "en":
assert "`a_list` does not contain `b`"
if friendly_traceback._writing_docs:
return result, message
if __name__ == "__main__":
print(test_Too_many_values_to_unpack()[0])
|
