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# -*- coding: utf-8 -*-
# the utf-8 is important because we do use the characters
"""Tests of start_command function family (location independent)"""
from grass.gunittest.case import TestCase
from grass.gunittest.main import test
from grass.script.core import start_command, PIPE, run_command
class TestPythonKeywordsInParameters(TestCase):
"""Tests additional underscore syntax which helps to avoid Python keywords
It works the same for keywords, buildins and any names.
"""
raster = b'does_not_exist'
def test_prefixed_underscore(self):
proc = start_command(
'g.region', _raster=self.raster, stderr=PIPE)
stderr = proc.communicate()[1]
self.assertNotIn(b'_raster', stderr)
self.assertIn(self.raster, stderr,
msg="Raster map name should appear in the error output")
def test_suffixed_underscore(self):
proc = start_command(
'g.region', raster_=self.raster, stderr=PIPE)
stderr = proc.communicate()[1]
self.assertNotIn(b'raster_', stderr)
self.assertIn(self.raster, stderr,
msg="Raster map name should appear in the error output")
def test_multiple_underscores(self):
proc = start_command(
'g.region', _raster_=self.raster, stderr=PIPE)
stderr = proc.communicate()[1]
returncode = proc.poll()
self.assertEquals(returncode, 1)
self.assertIn(b'raster', stderr)
class TestPythonModuleWithUnicodeParameters(TestCase):
"""Tests if unicode works in parameters of Python modules
This in fact tests also the `parser()` function (original motivation
for this tests).
Using g.search.module because it takes any option values.
"""
def test_python_module_ascii(self):
"""This tests if Python module works"""
run_command('g.search.modules', keyword=b'Priserny kun')
def test_python_module_czech_nonascii(self):
"""This likely fails on non-UTF-8 systems (i.e. MS Win)"""
run_command('g.search.modules', keyword=b'Příšerný kůň')
def test_python_module_czech_unicode(self):
"""This likely fails on non-UTF-8 systems (i.e. MS Win)"""
run_command('g.search.modules', keyword=u'Příšerný kůň')
if __name__ == '__main__':
test()
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