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import inspect
import itertools
import pytest
from plover.key_combo import parse_key_combo
def generate_combo_tests(test_id, *params, key_name_to_key_code=None):
yield ("id", test_id)
if key_name_to_key_code is not None:
yield ("key_name_to_key_code", key_name_to_key_code)
for iterables in params:
iterables = [i if isinstance(i, (tuple, list)) else (i,) for i in iterables]
if len(iterables) < 2:
iterables.append(("",))
for (
combo_string,
parse_result,
) in itertools.product(*iterables):
yield (("parse", combo_string, parse_result),)
# Test directives:
# - id TEST_IDENTIFIER
# - key_name_to_key_code KEY_NAME_TO_KEY_CODE_FUNCTION
# - parse COMBO_STRING KEY_EVENTS
KEY_COMBO_TESTS = tuple(
itertools.chain(
(("key_name_to_key_code", lambda k: k),),
# No-op.
generate_combo_tests(
"no-op",
(("", " "), ""),
),
# Syntax error:
generate_combo_tests(
"syntax_error",
(
(
# - invalid character
"Return,",
"Return&",
"Ret. urn <",
"exclam ! foo",
"shift[a]",
# - unbalanced `)`
") arg",
"arg )",
"arg())",
"arg(x) )",
# - unbalanced `(`
"test(",
"( grr",
"foo ( bar",
"foo (bar ( ",
"foo ((",
# - [-+]key() is not valid
"+foo ()",
"+foo()",
),
SyntaxError,
),
),
# Pressing an already pressed key.
generate_combo_tests(
"already_pressed",
(
(
"foo(foo)",
"Foo(foO)",
"foo(fOo(arg))",
"foo(bar(Foo))",
"foo(bar(foo(x)))",
),
ValueError,
),
),
# Stacking.
generate_combo_tests(
"stacking",
# 1 is not a valid identifier, but still a valid key name.
("1", "+1 -1"),
(("Shift_l", "SHIFT_L"), "+shift_l -shift_l"),
# Case does not matter.
(("a", " A "), "+a -a"),
(("a(b c)", "a ( b c )"), "+a +b -b +c -c -a"),
(("a(bc)", " a( Bc )"), "+a +bc -bc -a"),
(
("a(bc(d)e f(g) h())i j"),
"+a +bc +d -d -bc +e -e +f +g -g -f +h -h -a +i -i +j -j",
),
(
("foo () bar ( foo a b c (d))", "fOo () Bar ( FOO a B c (D))"),
"+foo -foo +bar +foo -foo +a -a +b -b +c +d -d -c -bar",
),
),
# Invalid key name.
generate_combo_tests(
"invalid_key",
("1 (c) 2 bad 3 (a b c)", ValueError),
key_name_to_key_code={c: c for c in "123abc"}.get,
),
# Same key code, multiple key names.
generate_combo_tests(
"aliasing",
("1 exclam", "+10 -10 +10 -10"),
(("1 ( exclam )", "exclam(1)"), ValueError),
key_name_to_key_code={"1": "10", "exclam": "10"}.get,
),
)
)
def parametrize(tests):
key_name_to_key_code = None
test_id = None
args = []
ids = []
for t in tests:
if t[0] == "key_name_to_key_code":
key_name_to_key_code = t[1]
elif t[0] == "id":
test_id = t[1]
else:
assert key_name_to_key_code is not None
assert test_id is not None
args.append((key_name_to_key_code, t))
ids.append(test_id)
return pytest.mark.parametrize(
("key_name_to_key_code", "instructions"), args, ids=ids
)
@parametrize(KEY_COMBO_TESTS)
def test_key_combo(key_name_to_key_code, instructions):
def repr_expected(result):
assert isinstance(result, str)
return [s.strip() for s in result.split()]
def repr_key_events(events):
assert isinstance(events, list)
return ["%s%s" % ("+" if pressed else "-", key) for key, pressed in events]
for action, *args in instructions:
if action == "parse":
combo_string, key_events = args
if inspect.isclass(key_events):
with pytest.raises(key_events):
parse_key_combo(
combo_string, key_name_to_key_code=key_name_to_key_code
)
else:
assert repr_key_events(
parse_key_combo(
combo_string, key_name_to_key_code=key_name_to_key_code
)
) == repr_expected(key_events)
else:
raise ValueError(args[0])
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