Ejemplo n.º 1
0
from cmdtest import Program, assert_hook

echo = Program('echo')

@echo.test
def echo_string_should_output_string():
    assert echo('foo').out == 'foo\n'

if __name__ == '__main__':
    echo.run()
Ejemplo n.º 2
0
from cmdtest import Program, NonExistentFile, File

cat = Program('cat')

@cat.test
def cat_should_echo_single_file():
    assert cat(File('hello')).out == 'hello'

@cat.test
def cat_should_combine_files():
    assert cat(File('hello'), File('world')).out == 'helloworld'

@cat.test
def cat_should_not_write_to_stderr():
    assert cat(File('hello')).err == ''

@cat.test
def cat_should_succeed():
    assert cat(File('hello')).status == 0

@cat.test
def cat_should_fail_with_bad_files():
    result = cat(NonExistentFile())
    assert result.err != ''
    assert result.status != 0

if __name__ == '__main__':
    cat.run()

Ejemplo n.º 3
0
from attest import Tests
from cmdtest import Program, File

head = Program('head -n10')

@head.test
def head_should_output_small_file():
    f = File(text='hello')
    assert head(f).out == 'hello'

@head.test
def head_should_output_10_lines_of_big_file():
    f = File(text='abc\n'*1000)
    output = head(f).out
    assert output.count('\n') == 10
    assert output == f.text[:len(output)]

if __name__ == '__main__':
    head.run()

Ejemplo n.º 4
0
from cmdtest import Program, File

touch = Program('touch')

@touch.test
def touch_should_create_file():
    touch('a_file')
    assert File(name='a_file').exists()

if __name__ == '__main__':
    touch.run()

Ejemplo n.º 5
0
#! /usr/bin/env python
from cmdtest import Program, assert_hook

cut = Program('cut')

@cut.test
def should_select_field():
    p = cut('-f', '1', _in='a\tb\n')
    assert p.out == 'a\n'

@cut.test
def should_select_multiple_fields():
    p = cut('-f', '1,3', _in='a\tb\tc\n')
    print p.out
    print p.err
    assert p.out == 'a\tc\n'

@cut.test
def should_understand_delimiter():
    p = cut('-f', '1', '-d', ',', _in='a,b\n')
    assert p.out == 'a\n'

if __name__ == '__main__':
    cut.run()

Ejemplo n.º 6
0
#! /usr/bin/env python
from cmdtest import Program, raises, TimeoutError

sleep = Program("sleep")


@sleep.test
def should_eventully_raise_timeout():
    with raises(TimeoutError) as error:
        sleep("4")


@sleep.test
def can_set_time_out():
    assert sleep("0", _timeout=0.5).status == 0


if __name__ == "__main__":
    sleep.run()