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#! /usr/bin/env python3
"""cppcheck-junit tests."""
import
sys
import
unittest
from
xml
.
etree
import
ElementTree
from
cppcheck_junit
import
(
CppcheckError
,
generate_single_success_test_suite
,
generate_test_suite
,
parse_arguments
,
parse_cppcheck
)
class
ParseCppcheckTestCase
(
unittest
.
TestCase
):
def
test_good
(
self
):
# type: () -> None
errors
=
parse_cppcheck
(
'tests/cppcheck-out-good.xml'
)
self
.
assertEqual
(
errors
, {})
def
test_bad
(
self
):
# type: () -> None
file1
=
'bad.cpp'
errors
=
parse_cppcheck
(
'tests/cppcheck-out-bad.xml'
)
self
.
assertEqual
(
errors
[
file1
][
0
].
file
,
file1
)
self
.
assertEqual
(
errors
[
file1
][
0
].
line
,
4
)
self
.
assertEqual
(
errors
[
file1
][
0
].
message
,
"Variable 'a' is assigned a value that is never used."
)
self
.
assertEqual
(
errors
[
file1
][
1
].
file
,
file1
)
self
.
assertEqual
(
errors
[
file1
][
1
].
line
,
4
)
self
.
assertEqual
(
errors
[
file1
][
1
].
message
,
"Array 'a[10]' accessed at index 10, which is out of bounds."
)
def
test_no_location_element
(
self
):
# type: () -> None
file
=
''
errors
=
parse_cppcheck
(
'tests/cppcheck-out-no-location-element.xml'
)
self
.
assertEqual
(
len
(
errors
),
1
)
error
=
errors
[
file
][
0
]
self
.
assertEqual
(
error
.
file
,
file
)
self
.
assertEqual
(
error
.
line
,
0
)
self
.
assertEqual
(
error
.
message
,
'Too many #ifdef configurations - cppcheck only checks 12 configurations. '
'Use --force to check all configurations. For more details, use '
'--enable=information.'
)
self
.
assertEqual
(
error
.
severity
,
'information'
)
def
test_bad_large
(
self
):
# type: () -> None
errors
=
parse_cppcheck
(
'tests/cppcheck-out-bad-large.xml'
)
self
.
assertEqual
(
len
(
errors
),
43
)
def
test_all
(
self
):
# type: () -> None
file1
=
'bad.cpp'
file2
=
'bad2.cpp'
errors
=
parse_cppcheck
(
'tests/cppcheck-out-all.xml'
)
self
.
assertEqual
(
errors
[
file1
][
0
].
file
,
file1
)
self
.
assertEqual
(
errors
[
file1
][
0
].
line
,
4
)
self
.
assertEqual
(
errors
[
file1
][
0
].
message
,
"Variable 'a' is assigned a value that is never used."
)
self
.
assertEqual
(
errors
[
file1
][
1
].
file
,
file1
)
self
.
assertEqual
(
errors
[
file1
][
1
].
line
,
4
)
self
.
assertEqual
(
errors
[
file1
][
1
].
message
,
"Array 'a[10]' accessed at index 10, which is out of bounds."
)
self
.
assertEqual
(
errors
[
file2
][
0
].
file
,
file2
)
self
.
assertEqual
(
errors
[
file2
][
0
].
line
,
4
)
self
.
assertEqual
(
errors
[
file2
][
0
].
message
,
"Variable 'a' is assigned a value that is never used."
)
self
.
assertEqual
(
errors
[
file2
][
1
].
file
,
file2
)
self
.
assertEqual
(
errors
[
file2
][
1
].
line
,
4
)
self
.
assertEqual
(
errors
[
file2
][
1
].
message
,
"Array 'a[10]' accessed at index 10, which is out of bounds."
)
def
test_xml_version_1
(
self
):
# type: () -> None
with
self
.
assertRaises
(
ValueError
):
parse_cppcheck
(
'tests/cppcheck-out-bad-xml-version-1.xml'
)
def
test_file_not_found
(
self
):
# type: () -> None
with
self
.
assertRaises
(
IOError
):
parse_cppcheck
(
'tests/file_does_not_exist.xml'
)
def
test_malformed
(
self
):
# type: () -> None
with
self
.
assertRaises
(
ElementTree
.
ParseError
):
parse_cppcheck
(
'tests/cppcheck-out-malformed.xml'
)
class
GenerateTestSuiteTestCase
(
unittest
.
TestCase
):
def
test_single
(
self
):
# type: () -> None
errors
=
{
'file_name'
:
[
CppcheckError
(
'file_name'
,
4
,
'error message'
,
'severity'
,
'error_id'
,
'verbose error message'
)]}
tree
=
generate_test_suite
(
errors
)
root
=
tree
.
getroot
()
self
.
assertEqual
(
root
.
get
(
'errors'
),
str
(
1
))
self
.
assertEqual
(
root
.
get
(
'failures'
),
str
(
0
))
self
.
assertEqual
(
root
.
get
(
'tests'
),
str
(
1
))
test_case_element
=
root
.
find
(
'testcase'
)
self
.
assertEqual
(
test_case_element
.
get
(
'name'
),
'file_name'
)
error_element
=
test_case_element
.
find
(
'error'
)
self
.
assertEqual
(
error_element
.
get
(
'file'
),
'file_name'
)
self
.
assertEqual
(
error_element
.
get
(
'line'
),
str
(
4
))
self
.
assertEqual
(
error_element
.
get
(
'message'
),
'4: (severity) error message'
)
class
GenerateSingleSuccessTestSuite
(
unittest
.
TestCase
):
def
test
(
self
):
# type: () -> None
tree
=
generate_single_success_test_suite
()
root
=
tree
.
getroot
()
self
.
assertEqual
(
root
.
get
(
'tests'
),
str
(
1
))
test_case_element
=
root
.
find
(
'testcase'
)
self
.
assertEqual
(
test_case_element
.
get
(
'name'
),
'Cppcheck success'
)
class
ParseArgumentsTestCase
(
unittest
.
TestCase
):
def
test_no_arguments
(
self
):
# type: () -> None
with
self
.
assertRaises
(
SystemExit
):
# Suppress argparse stderr.
class
NullWriter
:
def
write
(
self
,
s
):
# type: (str) -> None
pass
sys
.
stderr
=
NullWriter
()
parse_arguments
()
if
__name__
==
'__main__'
:
unittest
.
main
()
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