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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, unicode_literals
import os
import sys
import mozunit
import pytest
from mozterm import Terminal, NullTerminal
def test_terminal():
blessings = pytest.importorskip('blessings')
term = Terminal()
assert isinstance(term, blessings.Terminal)
term = Terminal(disable_styling=True)
assert isinstance(term, NullTerminal)
del sys.modules['blessings']
orig = sys.path[:]
for path in orig:
if 'blessings' in path:
sys.path.remove(path)
term = Terminal()
assert isinstance(term, NullTerminal)
with pytest.raises(ImportError):
term = Terminal(raises=True)
sys.path = orig
def test_null_terminal():
term = NullTerminal()
assert term.red("foo") == "foo"
assert term.red == ""
assert term.color(1) == ""
assert term.number_of_colors == 0
assert term.width == 0
assert term.height == 0
assert term.is_a_tty == os.isatty(sys.stdout.fileno())
if __name__ == '__main__':
mozunit.main()
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