1
0
mirror of https://github.com/scrapy/scrapy.git synced 2025-02-06 11:00:46 +00:00
scrapy/tests/test_utils_display.py
2023-01-25 14:25:15 -06:00

91 lines
3.1 KiB
Python

from io import StringIO
from unittest import TestCase, mock
from scrapy.utils.display import pformat, pprint
class TestDisplay(TestCase):
object = {"a": 1}
colorized_strings = {
(
(
"{\x1b[33m'\x1b[39;49;00m\x1b[33ma\x1b[39;49;00m\x1b[33m'"
"\x1b[39;49;00m: \x1b[34m1\x1b[39;49;00m}"
)
+ suffix
)
for suffix in (
# https://github.com/pygments/pygments/issues/2313
"\n", # pygments ≤ 2.13
"\x1b[37m\x1b[39;49;00m\n", # pygments ≥ 2.14
)
}
plain_string = "{'a': 1}"
@mock.patch("sys.platform", "linux")
@mock.patch("sys.stdout.isatty")
def test_pformat(self, isatty):
isatty.return_value = True
self.assertIn(pformat(self.object), self.colorized_strings)
@mock.patch("sys.stdout.isatty")
def test_pformat_dont_colorize(self, isatty):
isatty.return_value = True
self.assertEqual(pformat(self.object, colorize=False), self.plain_string)
def test_pformat_not_tty(self):
self.assertEqual(pformat(self.object), self.plain_string)
@mock.patch("sys.platform", "win32")
@mock.patch("platform.version")
@mock.patch("sys.stdout.isatty")
def test_pformat_old_windows(self, isatty, version):
isatty.return_value = True
version.return_value = "10.0.14392"
self.assertIn(pformat(self.object), self.colorized_strings)
@mock.patch("sys.platform", "win32")
@mock.patch("scrapy.utils.display._enable_windows_terminal_processing")
@mock.patch("platform.version")
@mock.patch("sys.stdout.isatty")
def test_pformat_windows_no_terminal_processing(
self, isatty, version, terminal_processing
):
isatty.return_value = True
version.return_value = "10.0.14393"
terminal_processing.return_value = False
self.assertEqual(pformat(self.object), self.plain_string)
@mock.patch("sys.platform", "win32")
@mock.patch("scrapy.utils.display._enable_windows_terminal_processing")
@mock.patch("platform.version")
@mock.patch("sys.stdout.isatty")
def test_pformat_windows(self, isatty, version, terminal_processing):
isatty.return_value = True
version.return_value = "10.0.14393"
terminal_processing.return_value = True
self.assertIn(pformat(self.object), self.colorized_strings)
@mock.patch("sys.platform", "linux")
@mock.patch("sys.stdout.isatty")
def test_pformat_no_pygments(self, isatty):
isatty.return_value = True
import builtins
real_import = builtins.__import__
def mock_import(name, globals, locals, fromlist, level):
if "pygments" in name:
raise ImportError
return real_import(name, globals, locals, fromlist, level)
builtins.__import__ = mock_import
self.assertEqual(pformat(self.object), self.plain_string)
builtins.__import__ = real_import
def test_pprint(self):
with mock.patch("sys.stdout", new=StringIO()) as mock_out:
pprint(self.object)
self.assertEqual(mock_out.getvalue(), "{'a': 1}\n")