cpython/Lib/test/test_tools/test_gprof2html.py

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"""Tests for the gprof2html script in the Tools directory."""
import os
import sys
import unittest
from unittest import mock
import tempfile
from test.test_tools import skip_if_missing, import_tool
skip_if_missing()
class Gprof2htmlTests(unittest.TestCase):
def setUp(self):
self.gprof = import_tool('gprof2html')
oldargv = sys.argv
def fixup():
sys.argv = oldargv
self.addCleanup(fixup)
sys.argv = []
def test_gprof(self):
# Issue #14508: this used to fail with a NameError.
with mock.patch.object(self.gprof, 'webbrowser') as wmock, \
tempfile.TemporaryDirectory() as tmpdir:
fn = os.path.join(tmpdir, 'abc')
open(fn, 'wb').close()
sys.argv = ['gprof2html', fn]
self.gprof.main()
self.assertTrue(wmock.open.called)
if __name__ == '__main__':
unittest.main()