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"""Unit tests for built-in engine command plugins."""
import ast
import pytest
from plover.command.set_config import set_config
from plover.config import Config, DictionaryConfig
from plover_build_utils.testing import parametrize
from .test_config import DEFAULTS, DEFAULT_KEYMAP
class FakeEngine:
"""The plugin sets the engine.config property, which unpacks a dict as
keywords into config.update."""
def __init__(self):
self._cfg = Config()
@property
def config(self):
return self._cfg.as_dict()
@config.setter
def config(self, options):
self._cfg.update(**options)
SET_CONFIG_TESTS = (
lambda: ('"space_placement":"After Output"', "After Output"),
lambda: ('"start_attached":True', True),
lambda: ('"undo_levels":10', 10),
lambda: (
'"log_file_name":"c:/whatever/morestrokes.log"',
"c:/whatever/morestrokes.log",
),
lambda: ('"enabled_extensions":[]', set()),
lambda: ('"machine_type":"Keyboard"', "Keyboard"),
lambda: (
'"machine_specific_options":{"arpeggiate":True}',
{"arpeggiate": True, "first_up_chord_send": False},
),
lambda: ('"system_keymap":' + str(DEFAULT_KEYMAP), DEFAULT_KEYMAP),
lambda: (
'"dictionaries":("user.json","main.json")',
list(map(DictionaryConfig, ("user.json", "main.json"))),
),
)
@parametrize(SET_CONFIG_TESTS)
def test_set_config(cmdline, expected):
"""Unit tests for set_config command. Test at least one of each valid data type."""
# Config values are sometimes converted and stored as different types than the input,
# so the expected output config values may not always be strictly equal to the input.
engine = FakeEngine()
engine.config = DEFAULTS
set_config(engine, cmdline)
key = ast.literal_eval("{" + cmdline + "}").popitem()[0]
assert engine.config[key] == expected
def test_set_config_multiple_options():
"""Multiple options can be set with one command if separated by commas.
Try setting every test option from scratch with a single command."""
engine = FakeEngine()
engine.config = DEFAULTS
individual_tests = [t() for t in SET_CONFIG_TESTS]
compound_cmdline = ",".join([t[0] for t in individual_tests])
set_config(engine, compound_cmdline)
for cmdline, expected in individual_tests:
key = ast.literal_eval("{" + cmdline + "}").popitem()[0]
assert engine.config[key] == expected
SET_CONFIG_INVALID_TESTS = (
# No delimiter in command.
lambda: '"undo_levels"10',
# Wrong value type.
lambda: '"undo_levels":"does a string work?"',
# Unsupported value.
lambda: '"machine_type":"Telepathy"',
# Bad format for dict literal.
lambda: '"machine_specific_options":{"closing_brace":False',
)
@parametrize(SET_CONFIG_INVALID_TESTS, arity=1)
def test_set_config_invalid(invalid_cmdline):
"""Unit tests for set_config exception handling."""
engine = FakeEngine()
with pytest.raises(ValueError):
set_config(engine, invalid_cmdline)
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