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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/>.
import sys
from StringIO import StringIO
from sure import scenario, action_for, expect
from couleur import Shell
def prepare_output_stream(context):
context.output = StringIO()
@action_for(context, provides=['check_output'])
def check_output(expected):
context.output.getvalue().should.equal(expected)
@action_for(context, provides=['check_output'])
def make_shell(*args, **kw):
context.sh = Shell(context.output, *args, **kw)
def test_default_output():
"Shell.output should default to sys.stdout"
sh = Shell()
expect(sh.output).to.equal(sys.stdout)
@scenario(prepare_output_stream)
def test_output_black_foreground(spec):
"Test output: black foreground"
spec.make_shell()
spec.sh.black("Hello Black!")
spec.check_output('\033[30mHello Black!\033[0m')
@scenario(prepare_output_stream)
def test_output_black_foreground_on_white_background(spec):
"Test output: black foreground on white background"
spec.make_shell()
spec.sh.black_on_white("Hello Black!")
spec.check_output('\033[47m\033[30mHello Black!\033[0m')
@scenario(prepare_output_stream)
def test_output_green_foreground(spec):
"Test output: green foreground"
spec.make_shell()
spec.sh.green("Hello World!")
spec.check_output('\033[32mHello World!\033[0m')
@scenario(prepare_output_stream)
def test_mixed_output(spec):
"green_and_red_and_white is a valid call"
spec.make_shell()
spec.sh.green_and_red_and_white("Hello |World |for you!")
spec.check_output(
'\033[32mHello \033[0m\033[31mWorld \033[0m\033[37mfor you!\033[0m'
)
@scenario(prepare_output_stream)
def test_mixed_output_with_escaped_separator(spec):
"green_and_red_on_yellow works is a valid call"
spec.make_shell()
spec.sh.green_and_red_on_yellow("Hello |World \|for you!")
spec.check_output(
'\033[32mHello \033[0m\033[43m\033[31mWorld |for you!\033[0m'
)
@scenario(prepare_output_stream)
def test_mixed_output_with_backgrounds(spec):
"green_on_magenta_and_red_and_white_on_blue is a valid call"
spec.make_shell()
spec.sh.green_on_magenta_and_red_and_white_on_blue("Hello |World |for you!")
spec.check_output('\033[45m\033[32mHello \033[0m\033[31mWorld \033[0m\033[44m\033[37mfor you!\033[0m'
)
@scenario(prepare_output_stream)
def test_indent(spec):
"indentation"
spec.make_shell(indent=4, linebreak=True)
spec.sh.normal_on_blue("Hello")
spec.sh.indent()
spec.sh.normal_on_red("World")
spec.check_output('\033[44m\033[39mHello\033[0m\n \033[41m\033[39mWorld\033[0m\n')
@scenario(prepare_output_stream)
def test_dedent(spec):
"de-indentation"
spec.make_shell(indent=4, linebreak=True)
spec.sh.indent()
spec.sh.normal_on_blue("Hello")
spec.sh.dedent()
spec.sh.normal_on_red("World")
spec.check_output(' \033[44m\033[39mHello\033[0m\n\033[41m\033[39mWorld\033[0m\n')
@scenario(prepare_output_stream)
def test_bold(spec):
"bold text"
spec.make_shell(bold=True)
spec.sh.normal_on_blue("Hello")
spec.sh.normal_on_red("World")
spec.check_output('\033[1m\033[44m\033[39mHello\033[0m\033[1m\033[41m\033[39mWorld\033[0m')
@scenario(prepare_output_stream)
def test_bold_inline(spec):
"bold text with inline call"
spec.make_shell()
spec.sh.bold_normal_on_blue("Hello")
spec.sh.bold_normal_on_red("World")
spec.check_output('\033[44m\033[1m\033[39mHello\033[0m\033[41m\033[1m\033[39mWorld\033[0m')
@scenario(prepare_output_stream)
def test_update_shell(spec):
"updating the shell, replacing the last output"
spec.make_shell(indent=6)
spec.sh.yellow("Yellow")
spec.sh.indent()
spec.sh.red("Red", True)
spec.check_output('\033[33mYellow\033[0m\r\033[A \033[31mRed\033[0m')
@scenario(prepare_output_stream)
def test_update_shell_mixed_with_linebreak(spec):
"updating the shell with mixed output and linebreak enabled"
spec.make_shell(linebreak=True)
spec.sh.yellow("Yellow")
spec.sh.yellow_and_normal_and_red("Yellow| and |Red", True)
spec.sh.green("Green")
spec.check_output('\033[33mYellow\033[0m\n\r\033[A\033[33mYellow\033[0m\033[39m and \033[0m\033[31mRed\033[0m\n\033[32mGreen\033[0m\n')
@scenario(prepare_output_stream)
def test_update_shell_mixed_with_indentation(spec):
"updating the shell with mixed output and indentation"
spec.make_shell(linebreak=True)
spec.sh.yellow("Yellow")
spec.sh.indent()
spec.sh.yellow_and_normal_and_red("Yellow| and |Red", True)
spec.sh.dedent()
spec.sh.green("Green")
spec.check_output('\033[33mYellow\033[0m\n\r\033[A \033[33mYellow\033[0m\033[39m and \033[0m\033[31mRed\033[0m\n\033[32mGreen\033[0m\n')
@scenario(prepare_output_stream)
def test_update_shell_mixed_with_bold(spec):
"updating the shell with mixed output and bold enabled"
spec.make_shell(bold=True)
spec.sh.yellow("Yellow")
spec.sh.yellow_and_normal_and_red("Yellow| and |Red", True)
spec.sh.green("Green")
spec.check_output('\033[1m\033[33mYellow\033[0m\r\033[A\033[1m\033[33mYellow\033[0m\033[39m and \033[0m\033[31mRed\033[0m\033[1m\033[32mGreen\033[0m')
@scenario(prepare_output_stream)
def test_dont_print_colors_if_set_as_disabled(spec):
"disable colors"
spec.make_shell(disabled=True, linebreak=True, bold=True)
spec.sh.yellow("Yellow")
spec.sh.indent()
spec.sh.indent()
spec.sh.yellow_and_red_on_yellow("Yellow| and Red", True)
spec.sh.dedent()
spec.sh.green("Green")
spec.check_output('Yellow\n\r\033[A Yellow and Red\n Green\n')
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