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import friendly_traceback
def test_Division_operator():
zero = 0
try:
2 / 1 / zero
except ZeroDivisionError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: float division by zero" in result
if friendly_traceback.get_lang() == "en":
assert (
"The following mathematical expression includes a division by zero"
in result
)
try:
1 / zero
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: division by zero" in result
if friendly_traceback.get_lang() == "en":
assert "You are dividing by the following term" in result
if friendly_traceback._writing_docs:
return result, message
def test_Integer_division_operator():
zero = 0
try:
2 // 1 // zero
except ZeroDivisionError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: integer division or modulo by zero" in result
if friendly_traceback.get_lang() == "en":
assert (
"The following mathematical expression includes a division by zero"
in result
)
try:
1 // zero
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: integer division or modulo by zero" in result
if friendly_traceback.get_lang() == "en":
assert "You are dividing by the following term" in result
if friendly_traceback._writing_docs:
return result, message
def test_Modulo_operator():
zero = 0
try:
5 % 3 % zero
except ZeroDivisionError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert (
"ZeroDivisionError: integer division or modulo by zero" in result
or "ZeroDivisionError: integer modulo by zero" in result
)
if friendly_traceback.get_lang() == "en":
assert (
"The following mathematical expression includes a division by zero"
in result
)
try:
1 % zero
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert (
"ZeroDivisionError: integer division or modulo by zero" in result
or "ZeroDivisionError: integer modulo by zero" in result
)
if friendly_traceback.get_lang() == "en":
assert "Using the modulo operator" in result
if friendly_traceback._writing_docs:
return result, message
def test_Divmod():
zero = 0
try:
divmod(1, zero)
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: integer division or modulo by zero" in result
if friendly_traceback.get_lang() == "en":
assert "The second argument of the `divmod()`" in result
if friendly_traceback._writing_docs:
return result, message
def test_Float_modulo():
zero = 0.0
a = 10**1000 # for coverage: tests format_var_info for long variables
try:
a % 1 % zero
except ZeroDivisionError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: float modulo" in result
if friendly_traceback.get_lang() == "en":
assert (
"by zero"
in result
)
assert "modulo" in result
try:
1 % zero
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: float modulo" in result
if friendly_traceback.get_lang() == "en":
assert "modulo" in result
if friendly_traceback._writing_docs:
return result, message
def test_Float_division():
zero = 0.0
try:
1 / zero
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: float division by zero" in result
if friendly_traceback.get_lang() == "en":
assert "You are dividing by the following term" in result
if friendly_traceback._writing_docs:
return result, message
def test_Float_divmod():
zero = 0.0
try:
divmod(1, zero)
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: float divmod()" in result
if friendly_traceback.get_lang() == "en":
assert "The second argument of the `divmod()`" in result
if friendly_traceback._writing_docs:
return result, message
def test_Complex_division():
zero = 0j
try:
1 / zero
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: complex division by zero" in result
if friendly_traceback.get_lang() == "en":
assert "You are dividing by the following term" in result
if friendly_traceback._writing_docs:
return result, message
def test_Raise_zero_negative_power():
zero = 0
try:
zero**-1
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "cannot be raised to a negative power" in result
if friendly_traceback.get_lang() == "en":
assert "You are attempting to raise the number 0 to a negative power" in result
if friendly_traceback._writing_docs:
return result, message
# All of the above are testing where we effectively divide by zero, a variable
# which is equal to zero. The message we give when we actually use
# a literal zero is different.
def test_Division_by_zero_literal():
try:
1 % 0
except ZeroDivisionError as e:
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert (
"ZeroDivisionError: integer division or modulo by zero" in result
or "ZeroDivisionError: integer modulo by zero" in result
)
if friendly_traceback.get_lang() == "en":
assert "Using the modulo operator, `%`, you are dividing by zero" in result
try:
1.0 / 0
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: float division by zero" in result
if friendly_traceback.get_lang() == "en":
assert "You are dividing by zero" in result
if friendly_traceback._writing_docs:
return result, message
def test_Mixed_operations():
try:
a = divmod(8, 1 // 2)
except ZeroDivisionError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "ZeroDivisionError: integer division or modulo by zero" in result
if friendly_traceback.get_lang() == "en":
assert (
"The following mathematical expression includes a division by zero"
in result
)
if friendly_traceback._writing_docs:
return result, message
if __name__ == "__main__":
print(test_Division_operator()[0])
|
