# python -m pytest metrics_test.py

import os

from testutils import cppcheck

__script_dir = os.path.dirname(os.path.abspath(__file__))

__addon_output = """

{"metric":{"fileName":"1.cpp","function":"write","id":"HISCall","lineNumber":6,"value":2}}

{"metric":{"fileName":"1.cpp","function":"write","id":"HISGoto","lineNumber":6,"value":0}}

{"metric":{"fileName":"1.cpp","function":"write","id":"HISLevel","lineNumber":6,"value":2}}

{"metric":{"fileName":"1.cpp","function":"write","id":"HISParam","lineNumber":6,"value":2}}

{"metric":{"fileName":"1.cpp","function":"write","id":"HISPath","lineNumber":6,"value":3}}

{"metric":{"fileName":"1.cpp","function":"write","id":"HISReturn","lineNumber":6,"value":0}}

{"metric":{"fileName":"1.cpp","function":"write","id":"HISStmt","lineNumber":6,"value":15}}

{"metric":{"fileName":"1.cpp","function":"write","id":"cyclomaticComplexity","lineNumber":6,"value":3}}

"""

__addon_source = f'print("""{__addon_output}""")'

__expected_xml = [

'<metric fileName="1.cpp" function="write" id="HISCall" lineNumber="6" value="2"/>',

'<metric fileName="1.cpp" function="write" id="HISGoto" lineNumber="6" value="0"/>',

'<metric fileName="1.cpp" function="write" id="HISLevel" lineNumber="6" value="2"/>',

'<metric fileName="1.cpp" function="write" id="HISParam" lineNumber="6" value="2"/>',

'<metric fileName="1.cpp" function="write" id="HISPath" lineNumber="6" value="3"/>',

'<metric fileName="1.cpp" function="write" id="HISReturn" lineNumber="6" value="0"/>',

'<metric fileName="1.cpp" function="write" id="HISStmt" lineNumber="6" value="15"/>',

'<metric fileName="1.cpp" function="write" id="cyclomaticComplexity" lineNumber="6" value="3"/>'

]

def __create_addon(tmpdir):

path = os.path.join(tmpdir, 'addon.py')

with open(path, 'w') as file:

file.write(__addon_source)

return path

def __create_source_file(tmpdir):

path = os.path.join(tmpdir, 'test.c')

with open(path, 'w') as _:

pass

return path

def test_dummy_metrics_xml_report(tmpdir):

output_file = os.path.join(tmpdir, "results.xml")

source_path = __create_source_file(tmpdir)

addon_path = __create_addon(tmpdir)

args = [

f'--output-file={output_file}',

f'--addon={addon_path}',

'--xml-version=3',

source_path

]

ret, stdout, stderr = cppcheck(args)

assert ret == 0

assert stderr == ''

assert stdout == f'Checking {source_path} ...\n'

with open(output_file, 'r') as file:

xml = file.read()

for expected in __expected_xml:

assert xml.find(expected) >= 0

def test_dummy_metrics_stdout(tmpdir):

source_path = __create_source_file(tmpdir)

addon_path = __create_addon(tmpdir)

args = [

f'--addon={addon_path}',

'--xml-version=3',

source_path

]

ret, stdout, stderr = cppcheck(args)

assert ret == 0

assert stdout == f'Checking {source_path} ...\n'

for expected in __expected_xml:

assert stderr.find(expected) >= 0