def test_get_usage(self):
cli = CLI(
application_name=u("spam"),
positionals=[String(metavar=u("foo"))]
)
self.assert_equal(cli.get_usage(), u("spam [-h] foo"))
cli.usage = u("blubb")
self.assert_equal(cli.get_usage(), u("blubb"))
def test_help_option(self):
stringio = StringIO()
cli = CLI(application_name=u("app"), stdout=stringio, width=40)
try:
cli.run(["-h"])
except SystemExit:
pass
self.assert_equal(
stringio.getvalue(),
u(
"Usage: app [-h]\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
)
)
def test_print_usage(self):
stringio = StringIO()
cli = CLI(
usage=(u("foobarbaz ") * 10).strip(),
width=40,
stdout=stringio
)
cli.print_usage()
self.assert_equal(
stringio.getvalue(), u(
"Usage: foobarbaz foobarbaz foobarbaz\n"
" foobarbaz foobarbaz foobarbaz\n"
" foobarbaz foobarbaz foobarbaz\n"
" foobarbaz\n"
)
)
def test_print_help(self):
stringio = StringIO()
cli = CLI(
application_name=u("app"),
stdout=stringio,
width=40,
positionals=[String(metavar=u("foo"))]
)
cli.print_help()
self.assert_equal(stringio.getvalue(), u(
"Usage: app [-h] foo\n"
"\n"
"Positional Arguments\n"
" foo\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
))
cli.stdout = stringio = StringIO()
cli.add_option("bar", Option("-a", String()))
cli.print_help()
self.assert_equal(stringio.getvalue(), u(
"Usage: app [-h] [-a bar] foo\n"
"\n"
"Positional Arguments\n"
" foo\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
" -a bar\n"
))
cli.stdout = stringio = StringIO()
cli.add_command("baz", Command())
cli.add_command("spam", Command())
cli.print_help()
self.assert_equal(stringio.getvalue() , u(
"Usage: app [-h] [-a bar] {baz,spam} foo\n"
"\n"
"Positional Arguments\n"
" foo\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
" -a bar\n"
"\n"
"Commands\n"
" baz [-h]\n"
" spam [-h]\n"
))