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import sys
from _utils import (
_output_eq, IntegrationSpec, _dispatch, trap, expect_exit, assert_contains,
assert_not_contains, eq_
)
@trap
def _complete(invocation, collection=None):
colstr = ""
if collection:
colstr = "-c {0}".format(collection)
with expect_exit(0):
_dispatch("inv --complete {0} -- inv {0} {1}".format(
colstr, invocation))
return sys.stdout.getvalue()
class ShellCompletion(IntegrationSpec):
"""
Shell tab-completion behavior
"""
def no_input_means_just_task_names(self):
_output_eq('-c simple_ns_list --complete', "z_toplevel\na.b.subtask\n")
def no_input_with_no_tasks_yields_empty_response(self):
_output_eq('-c empty --complete', "")
def task_name_completion_includes_aliases(self):
for name in ('z\n', 'toplevel'):
assert_contains(_complete('', 'alias_sorting'), name)
def top_level_with_dash_means_core_options(self):
output = _complete('-')
# No point mirroring all core options, just spot check a few
for flag in ('--no-dedupe', '-d', '--debug', '-V', '--version'):
assert_contains(output, "{0}\n".format(flag))
def bare_double_dash_shows_only_long_core_options(self):
output = _complete('--')
assert_contains(output, '--no-dedupe')
assert_not_contains(output, '-V')
def task_names_only_complete_other_task_names(self):
# Because only tokens starting with a dash should result in options.
assert_contains(_complete('print_foo', 'integration'), 'print_name')
def task_name_completion_includes_tasks_already_seen(self):
# Because it's valid to call the same task >1 time.
assert_contains(_complete('print_foo', 'integration'), 'print_foo')
def per_task_flags_complete_with_single_dashes(self):
for flag in ('--name', '-n'):
assert_contains(_complete('print_name -', 'integration'), flag)
def per_task_flags_complete_with_double_dashes(self):
output = _complete('print_name --', 'integration')
assert_contains(output, '--name')
assert_not_contains(output, '-n\n') # newline because -n is in --name
def flag_completion_includes_inverse_booleans(self):
output = _complete('basic_bool -', 'foo')
assert_contains(output, '--no-mybool')
def tasks_with_positional_args_complete_with_flags(self):
# Because otherwise completing them is invalid anyways.
# NOTE: this currently duplicates another test because this test cares
# about a specific detail.
output = _complete('print_name --', 'integration')
assert_contains(output, '--name')
def core_flags_taking_values_have_no_completion_output(self):
# So the shell's default completion is available.
eq_(_complete('-f'), '')
def per_task_flags_taking_values_have_no_completion_output(self):
eq_(_complete('basic_arg --arg', 'foo'), '')
def core_bool_flags_have_task_name_completion(self):
assert_contains(_complete('--echo', 'foo'), 'mytask')
def per_task_bool_flags_have_task_name_completion(self):
assert_contains(_complete('basic_bool --mybool', 'foo'), 'mytask')
def core_partial_or_invalid_flags_print_all_flags(self):
for flag in ('--echo', '--complete'):
for given in ('--e', '--nope'):
assert_contains(_complete(given), flag)
def per_task_partial_or_invalid_flags_print_all_flags(self):
for flag in ('--arg1', '--otherarg'):
for given in ('--ar', '--nope'):
assert_contains(
_complete('multiple_args {0}'.format(given), 'foo'),
flag
)
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