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# -*- coding: utf-8 -*-
# <Couleur - fancy shell output for python>
# Copyright (C) <2010> Gabriel Falcão <gabriel@nacaolivre.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from StringIO import StringIO
from nose.tools import assert_equals
import couleur
def test_output_black_foreground():
"file-like filter output: black foreground"
io = StringIO()
couleur.proxy(io).enable()
io.write("#{black}Hello Black!\n")
assert_equals('\033[30mHello Black!\n', io.getvalue())
couleur.proxy(io).disable()
io.seek(0)
io.truncate()
io.write("#{black}should not be translated\n")
assert_equals('#{black}should not be translated\n', io.getvalue())
def test_output_black_on_white_foreground():
"file-like filter output: black foreground on white background"
io = StringIO()
couleur.proxy(io).enable()
io.write("#{black}#{on:white}Hello Black!\n")
assert_equals('\033[30;47mHello Black!\n', io.getvalue())
couleur.proxy(io).disable()
io.seek(0)
io.truncate()
io.write("#{black}should not be translated\n")
assert_equals('#{black}should not be translated\n', io.getvalue())
def test_output_green_foreground():
"file-like filter output: green foreground"
io = StringIO()
couleur.proxy(io).enable()
io.write("#{green}Hello Green!\n")
assert_equals('\033[32mHello Green!\n', io.getvalue())
couleur.proxy(io).disable()
io.seek(0)
io.truncate()
io.write("#{black}should not be translated\n")
assert_equals('#{black}should not be translated\n', io.getvalue())
def test_output_green_and_red_on_white_foreground():
"file-like filter output: green foreground and white on red background"
io = StringIO()
couleur.proxy(io).enable()
io.write("#{green}Hello #{white}#{on:red}Italy!\n")
assert_equals('\033[32mHello \033[37;41mItaly!\n', io.getvalue())
couleur.proxy(io).disable()
io.seek(0)
io.truncate()
io.write("#{black}should not be translated\n")
assert_equals('#{black}should not be translated\n', io.getvalue())
def test_output_bold_green_on_bold_white():
"file-like filter output: bold green on white"
io = StringIO()
couleur.proxy(io).enable()
io.write("#{bold}#{green}#{on:white}Hello\n")
assert_equals('\033[1;32;47mHello\n', io.getvalue())
couleur.proxy(io).disable()
io.seek(0)
io.truncate()
io.write("#{black}should not be translated\n")
assert_equals('#{black}should not be translated\n', io.getvalue())
def test_minify():
assert_equals("\033[1;32;41mHello\n", couleur.minify("\033[1m\033[32m\033[41mHello\n"))
assert_equals("\033[1;32;41mHello\n", couleur.minify("\033[1;32;41mHello\n"))
def test_ignoring_colors():
"file-like filter output: ignoring output"
io = StringIO()
couleur.proxy(io).enable()
couleur.proxy(io).ignore()
io.write("#{bold}#{green}#{on:white}Hello\n")
assert_equals('Hello\n', io.getvalue())
couleur.proxy(io).disable()
io.seek(0)
io.truncate()
io.write("#{black}should not be translated\n")
assert_equals('#{black}should not be translated\n', io.getvalue())
def test_supress_up_when_ignoring_colors():
"file-like filter output: supress #{up} when ignoring colors"
io = StringIO()
couleur.proxy(io).enable()
couleur.proxy(io).ignore()
io.write("This is visible#{up}but this is invisible\n")
assert_equals('This is visible', io.getvalue())
def test_supress_up_when_ignoring_colors_as_many_times_needed():
"file-like filter output: supress #{up} as many times as needed"
io = StringIO()
couleur.proxy(io).enable()
couleur.proxy(io).ignore()
io.write("This is visible#{up}#{up}#{up}#{up}\n" \
" Line one supressed\n" \
" Line two supressed\n" \
" Line three supressed\n")
assert_equals('This is visible', io.getvalue())
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