def test_parse_standard_stream(self):
stdin = BytesIO(b"foobar")
cli = TestCLI(
options=[("foo", Option("-o", Resource()))],
stdin=stdin
)
opener = cli.run(["-o", "-"])[1]["foo"]
with opener as stream:
self.assert_equal(stream.read(), b"foobar")
def test_parse_http(self):
cli = TestCLI(options=[("foo", Option("-o", Resource()))])
opener = cli.run(["-o", "http://httpbin.org/user-agent"])[1]["foo"]
try:
with opener as response:
self.assert_equal(
json.loads(response.content),
{u("user-agent"): u("Awwparse/0.1-dev")}
)
except requests.ConnectionError:
self.skip_test("missing internet connection")
def test_parse_file(self):
cli = TestCLI(options=[("foo", Option("-o", Resource()))])
test_file_path = get_test_file_path(
"awwparse.testsuite.positionals.ResourceTestCase.test_parse_file"
)
with file_cleaner([test_file_path]):
with open(test_file_path, "wb") as f:
f.write(b"foobar")
opener = cli.run(["-o", "file://" + test_file_path])[1]["foo"]
with opener as f:
self.assert_equal(f.read(), "foobar")
def test_parse(self):
test_file_path = get_test_file_path(
"awwparse.testsuite.positionals.FileTestCase.test_parse"
)
with file_cleaner([test_file_path]):
cli = TestCLI(options=[("foo", Option("-o", File(mode="wb")))])
opener = cli.run(["-o", test_file_path])[1]["foo"]
with opener as file:
file.write(b"foobar")
cli = TestCLI(options=[("foo", Option("-o", File(mode="rb")))])
opener = cli.run(["-o", test_file_path])[1]["foo"]
with opener as file:
self.assert_equal(file.read(), b"foobar")
def test_parse_http_fails(self):
cli = TestCLI(options=[("foo", Option("-o", Resource()))])
with self.assert_raises(RuntimeError):
cli.run(["-o", "http://httpbin.org"])
def test_parse(self):
stdin = StringIO("foobar")
cli = TestCLI(
options=[("foo", Option("-o", LocalResource()))],
stdin=stdin
)
opener = cli.run(["-o", "-"])[1]["foo"]
with opener as file:
self.assert_equal(file.read(), "foobar")
stdout = BytesIO()
cli = TestCLI(
options=[
("foo", Option("-o", LocalResource(mode="w")))
],
stdout=stdout
)
opener = cli.run(["-o", "-"])[1]["foo"]
with opener as file:
file.write(b"foobar")
self.assert_equal(stdout.getvalue(), b"foobar")
stdout = BytesIO()
cli = TestCLI(
options=[
("foo", Option("-o", LocalResource(mode="w", encoding="utf-8")))
],
stdout=stdout
)
opener = cli.run(["-o", "-"])[1]["foo"]
with opener as file:
file.write(u("äöü"))
self.assert_equal(stdout.getvalue(), u("äöü").encode("utf-8"))
with self.assert_raises(ValueError):
LocalResource(mode="r+")
# check that it doesn't raise
LocalResource(mode="r+", allow_std_streams=False)
test_file_path = get_test_file_path(
"awwparse.testsuite.positionals.LocalResourceTestCase.test_parse"
)
with file_cleaner([test_file_path]):
cli = TestCLI(
options=[
("foo", Option(
"-o", LocalResource(mode="wb", allow_std_streams=False))
)
]
)
opener = cli.run(["-o", test_file_path])[1]["foo"]
with opener as file:
file.write(b"foobar")
cli = TestCLI(
options=[
("foo", Option(
"-o", LocalResource(mode="rb", allow_std_streams=False))
)
]
)
opener = cli.run(["-o", test_file_path])[1]["foo"]
with opener as file:
self.assert_equal(file.read(), b"foobar")
cli = TestCLI(
options=[
("foo", Option(
"-o", LocalResource(mode="rb", allow_std_streams=False)
))
]
)
opener = cli.run(["-o", "file://" + test_file_path])[1]["foo"]
with opener as file:
self.assert_equal(file.read(), b"foobar")
def test_error_handling(self):
stringio = StringIO()
def exit(code):
assert code != 1
cli = TestCLI(
application_name=u("app"),
stdout=stringio,
stderr=stringio,
exit=exit,
width=40,
options=[("foo", Option("-o", Integer()))]
)
with self.assert_raises(AssertionError) as error:
cli.run(["-o", "foo"])
self.assert_equal(
error.exception.args[0], "exit should have aborted execution"
)
self.assert_equal(
stringio.getvalue(),
u(
"Error: 'foo' is not an integer\n"
"Usage: app [-h] [-o foo]\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
" -o foo\n"
)
)
with self.assert_raises(UserTypeError):
cli.run(["-o", "foo"], passthrough_errors=True)
stringio = StringIO()
cli = TestCLI(
application_name=u("app"),
stdout=stringio,
stderr=stringio,
exit=exit,
width=40,
commands={
"spam": Command(
options=[("foo", Option("-o", String()))]
)
}
)
with self.assert_raises(AssertionError) as error:
cli.run(["spam", "-o"])
self.assert_equal(
error.exception.args[0],
"exit should have aborted execution"
)
self.assert_equal(
stringio.getvalue(),
u(
"Error: foo\n"
"Usage: app spam [-h] [-o foo]\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
" -o foo\n"
)
)
stringio = StringIO()
cli = TestCLI(
application_name=u("app"),
stdout=stringio,
stderr=stringio,
exit=exit,
width=40,
commands={
"foo": Command(
positionals=[String(metavar=u("a")), String(metavar=u("b"))]
)
}
)
with self.assert_raises(AssertionError):
cli.run(["foo", "bar"])
self.assert_equal(
stringio.getvalue(),
u(
"Error: expected b\n"
"Usage: app foo [-h] a b\n"
"\n"
"Positional Arguments\n"
" a\n"
" b\n"
"\n"
"Options\n"
" -h, --help Show this message\n"
)
)