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wfork-pytype/pytype/tests/test_errors_format.py at main · wyattscarpenter/wfork-pytype · GitHub
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tests
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test_errors_format.py
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test_errors_format.py
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"""Tests for the error format itself."""
import
textwrap
from
pytype
.
tests
import
test_base
from
pytype
.
tests
import
test_utils
@
test_utils
.
skipBeforePy
(
(
3
,
11
),
"py versions lower than 3.11 doesn't have column information "
)
class
ErrorTest
(
test_base
.
BaseTest
):
"""Tests for errors."""
def
test_error_format
(
self
):
errors
=
self
.
CheckWithErrors
(
"""
def f(x):
y = 42
y.foobar # attribute-error[e]
"""
)
message
=
textwrap
.
dedent
(
"""
\
dummy_input_file:3:3:
\x1b
[1m
\x1b
[31merror
\x1b
[39m
\x1b
[0m: in f: No attribute 'foobar' on int [attribute-error]
y.foobar # attribute-error[e]
\x1b
[1m
\x1b
[31m~~~~~~~~
\x1b
[39m
\x1b
[0m
"""
)
self
.
assertDiagnosticMessages
(
errors
, {
"e"
:
message
})
def
test_error_format_with_no_end_line_late_directive_error
(
self
):
errors
=
self
.
CheckWithErrors
(
"""
def f() -> bool:
# pytype: disable=bad-return-type # late-directive[e]
return 42
"""
)
message
=
textwrap
.
dedent
(
"""
\
dummy_input_file:2:1:
\x1b
[1m
\x1b
[31merror
\x1b
[39m
\x1b
[0m: : bad-return-type disabled from here to the end of the file [late-directive]
Consider limiting this directive's scope or moving it to the top of the file.
# pytype: disable=bad-return-type # late-directive[e]
\x1b
[1m
\x1b
[31m~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
\x1b
[39m
\x1b
[0m
"""
)
self
.
assertDiagnosticMessages
(
errors
, {
"e"
:
message
})
def
test_error_format_with_no_end_line_redundant_function_type_comment_error
(
self
,
):
errors
=
self
.
CheckWithErrors
(
"""
def f() -> None:
# type: () -> None # redundant-function-type-comment[e]
pass
"""
)
message
=
textwrap
.
dedent
(
"""
\
dummy_input_file:2:1:
\x1b
[1m
\x1b
[31merror
\x1b
[39m
\x1b
[0m: : Function type comments cannot be used with annotations [redundant-function-type-comment]
# type: () -> None # redundant-function-type-comment[e]
\x1b
[1m
\x1b
[31m~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
\x1b
[39m
\x1b
[0m
"""
)
self
.
assertDiagnosticMessages
(
errors
, {
"e"
:
message
})
def
test_error_format_with_source
(
self
):
errors
=
self
.
CheckWithErrors
(
"""
from typing import List
def foo(args: List[str]) -> None:
for arg in args:
print(arg + 3) # unsupported-operands[e]
"""
)
message
=
textwrap
.
dedent
(
"""
\
dummy_input_file:4:11:
\x1b
[1m
\x1b
[31merror
\x1b
[39m
\x1b
[0m: in foo: unsupported operand type(s) for +: str and int [unsupported-operands]
Function __add__ on str expects str
print(arg + 3) # unsupported-operands[e]
\x1b
[1m
\x1b
[31m~~~~~~~
\x1b
[39m
\x1b
[0m
"""
)
self
.
assertDiagnosticMessages
(
errors
, {
"e"
:
message
})
def
test_error_format_with_source_multiple_lines
(
self
):
errors
=
self
.
CheckWithErrors
(
"""
from typing import List
def foo(args: List[str]) -> None:
for arg in args:
print(arg # unsupported-operands[e]
+
3)
"""
)
message
=
textwrap
.
dedent
(
"""
\
dummy_input_file:4:11:
\x1b
[1m
\x1b
[31merror
\x1b
[39m
\x1b
[0m: in foo: unsupported operand type(s) for +: str and int [unsupported-operands]
Function __add__ on str expects str
print(arg # unsupported-operands[e]
\x1b
[1m
\x1b
[31m~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
\x1b
[39m
\x1b
[0m
+
\x1b
[1m
\x1b
[31m~~~~~~~
\x1b
[39m
\x1b
[0m
3)
\x1b
[1m
\x1b
[31m~~~~~
\x1b
[39m
\x1b
[0m
"""
)
self
.
assertDiagnosticMessages
(
errors
, {
"e"
:
message
})
# TODO: b/338455486 - Add a test case for diagnostic missing a filepath
# information
if
__name__
==
"__main__"
:
test_base
.
main
()
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