def test_dollar_symbol_not_followed_by_bracket():
subst = parse_substitution('$0 $1')
assert len(subst) == 1
assert subst[0].perform(None) == '$0 $1'
subst = parse_substitution("$(test '$0 $1')")
assert len(subst) == 1
assert subst[0].perform(None) == '$0 $1'
def test_env_subst():
subst = parse_substitution('$(env asd bsd)')
assert len(subst) == 1
env = subst[0]
assert isinstance(env, EnvironmentVariable)
assert 'asd' == ''.join([x.perform(None) for x in env.name])
assert 'bsd' == ''.join([x.perform(None) for x in env.default_value])
subst = parse_substitution('$(env asd)')
assert len(subst) == 1
env = subst[0]
assert isinstance(env, EnvironmentVariable)
assert 'asd' == ''.join([x.perform(None) for x in env.name])
assert '' == ''.join([x.perform(None) for x in env.default_value])
def evaluate(self, context: LaunchContext) -> Path:
"""Evaluate and return a parameter file path."""
if self.__evaluated_param_file is not None:
return self.__evaluated_param_file
param_file = self.__param_file
if isinstance(param_file, list):
# list of substitutions
param_file = perform_substitutions(context, self.__param_file)
allow_substs = perform_typed_substitution(context,
self.__allow_substs,
data_type=bool)
param_file_path: Path = Path(param_file)
if allow_substs:
with open(param_file_path,
'r') as f, NamedTemporaryFile(mode='w',
prefix='launch_params_',
delete=False) as h:
parsed = perform_substitutions(context,
parse_substitution(f.read()))
try:
yaml.safe_load(parsed)
except Exception:
raise SubstitutionFailure(
'The substituted parameter file is not a valid yaml file'
)
h.write(parsed)
param_file_path = Path(h.name)
self.__created_tmp_file = True
self.__evaluated_param_file = param_file_path
return param_file_path
def test_text_only():
subst = parse_substitution("'yes'")
assert len(subst) == 1
assert subst[0].perform(None) == "'yes'"
subst = parse_substitution('"yes"')
assert len(subst) == 1
assert subst[0].perform(None) == '"yes"'
subst = parse_substitution('10')
assert len(subst) == 1
assert subst[0].perform(None) == '10'
subst = parse_substitution('10e4')
assert len(subst) == 1
assert subst[0].perform(None) == '10e4'
subst = parse_substitution('10e4')
assert len(subst) == 1
assert subst[0].perform(None) == '10e4'
def test_text_with_embedded_substitutions():
subst = parse_substitution('why_$(test asd)_asdasd_$(test bsd)')
assert len(subst) == 4
assert subst[0].perform(None) == 'why_'
assert subst[1].perform(None) == 'asd'
assert subst[2].perform(None) == '_asdasd_'
assert subst[3].perform(None) == 'bsd'
def test_nested_substitutions():
subst = parse_substitution('$(env what/$(test asd) 10) 10 10)')
assert len(subst) == 2
assert len(subst[0].name) == 2
assert subst[0].name[0].perform(None) == 'what/'
assert subst[0].name[1].perform(None) == 'asd'
assert subst[0].default_value[0].perform(None) == '10'
assert subst[1].perform(None) == ' 10 10)'
def test_env_subst():
subst = parse_substitution('$(env asd bsd)')
assert len(subst) == 1
env = subst[0]
assert isinstance(env, EnvironmentVariable)
assert 'asd' == perform_substitutions_without_context(env.name)
assert 'bsd' == perform_substitutions_without_context(env.default_value)
subst = parse_substitution("$(env asd '')")
assert len(subst) == 1
env = subst[0]
assert isinstance(env, EnvironmentVariable)
assert 'asd' == perform_substitutions_without_context(env.name)
assert '' == perform_substitutions_without_context(env.default_value)
subst = parse_substitution('$(env asd)')
assert len(subst) == 1
env = subst[0]
assert isinstance(env, EnvironmentVariable)
assert 'asd' == perform_substitutions_without_context(env.name)
assert env.default_value is None
def test_get_log_dir_frontend(log_dir):
"""Test log_dir frontend substitution."""
launch.logging.reset()
launch.logging.launch_config.log_dir = log_dir
subst = parse_substitution('$(log_dir)')
assert len(subst) == 1
result = subst[0]
assert isinstance(result, TextSubstitution)
assert result.text == log_dir
def test_quoted_nested_substitution():
subst = parse_substitution('go_to_$(env WHERE asd)_of_$(env '
"'something $(test 10)')")
assert len(subst) == 4
assert subst[0].perform(None) == 'go_to_'
assert subst[1].name[0].perform(None) == 'WHERE'
assert subst[1].default_value[0].perform(None) == 'asd'
assert subst[2].perform(None) == '_of_'
assert subst[3].name[0].perform(None) == 'something '
assert subst[3].name[1].perform(None) == '10'
assert subst[3].default_value is None
def test_combining_quotes_nested_substitution():
subst = parse_substitution(
'$(env "asd_bsd_qsd_$(test \'asd_bds\')" \'$(env DEFAULT)_qsd\')')
context = LaunchContext()
assert len(subst) == 1
assert len(subst[0].name) == 2
assert subst[0].name[0].perform(context) == 'asd_bsd_qsd_'
assert subst[0].name[1].perform(context) == "'asd_bds'"
assert len(subst[0].default_value) == 2
assert subst[0].default_value[0].name[0].perform(context) == 'DEFAULT'
assert subst[0].default_value[0].default_value is None
assert subst[0].default_value[1].perform(context) == '_qsd'
def test_double_quoted_nested_substitution():
subst = parse_substitution(
r'$(env "asd_bsd_qsd_$(test \"asd_bds\")" "$(env DEFAULT)_qsd")')
context = LaunchContext()
assert len(subst) == 1
assert len(subst[0].name) == 2
assert subst[0].name[0].perform(context) == 'asd_bsd_qsd_'
assert subst[0].name[1].perform(context) == '"asd_bds"'
assert len(subst[0].default_value) == 2
assert subst[0].default_value[0].name[0].perform(context) == 'DEFAULT'
assert subst[0].default_value[0].default_value is None
assert subst[0].default_value[1].perform(context) == '_qsd'
def test_escaped_characters():
subst = parse_substitution(r'$(env what/\$\(test asd\\\)) 10 10)')
assert len(subst) == 2
assert subst[0].name[0].perform(None) == 'what/$(test'
assert subst[0].default_value[0].perform(None) == r'asd\)'
assert subst[1].perform(None) == ' 10 10)'
def test_substitution_with_multiple_arguments():
subst = parse_substitution('$(env what heck)')
assert len(subst) == 1
subst = subst[0]
assert subst.name[0].perform(None) == 'what'
assert subst.default_value[0].perform(None) == 'heck'
def test_no_text():
subst = parse_substitution('')
assert len(subst) == 1
assert subst[0].perform(None) == ''
def parse_substitution(self, value: Text) -> SomeSubstitutionsType:
return parse_substitution(value)
def test_eval_subst():
subst = parse_substitution(r'$(eval "\'asd\' + \'bsd\'")')
assert len(subst) == 1
expr = subst[0]
assert isinstance(expr, PythonExpression)
assert 'asdbsd' == expr.perform(LaunchContext())
def test_dirname_subst():
subst = parse_substitution('$(dirname)')
assert len(subst) == 1
assert isinstance(subst[0], ThisLaunchFileDir)