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jedi-fork/test/test_api/test_usages.py
2017-04-01 15:52:22 +02:00

49 lines
2.1 KiB
Python

import jedi
import os.path
def test_import_usage():
s = jedi.Script("from .. import foo", line=1, column=18, path="foo.py")
assert [usage.line for usage in s.usages()] == [1]
def usages_with_additional_modules(script, additional_modules):
"""
Stripped down version of `jedi.api.Script.usages` that can take an
explicit set of additional modules. For use with `test_cross_module_usages`.
"""
definition_names = jedi.api.usages.resolve_potential_imports(script._evaluator,
script._goto())
modules = set([d.get_root_context() for d in definition_names])
modules.add(script._get_module())
for additional_module in additional_modules:
modules.add(additional_module._name.get_root_context())
return jedi.api.usages.usages(script._evaluator, definition_names, modules)
def test_cross_module_usages():
"""
This tests finding of usages between different modules. In
`jedi.api.usages.compare_contexts`, this exercises the case where
`c1 != c2`. This tests whether `jedi` can find the usage of
`import_tree_for_usages.b.bar` in `import_tree_for_usages.a`
"""
def usages_script():
source = 'import import_tree_for_usages.b; import_tree_for_usages.b.bar'
return jedi.api.Script(source=source, line=1, column=len(source),
sys_path=[os.path.dirname(os.path.abspath(__file__))])
def module_script():
source = 'import import_tree_for_usages.a; import_tree_for_usages.a'
return jedi.api.Script(source=source, line=1, column=len(source),
sys_path=[os.path.dirname(os.path.abspath(__file__))])
module = module_script().goto_definitions()[0]
module_definition = module._name.get_root_context()
usages_list = usages_with_additional_modules(usages_script(), set([module]))
assert any([elt for elt in usages_list if elt.module_name == 'a']), (
"Did not find cross-module usage of :func:`b.bar` in :mod:`a`. Usages list was: {}"
.format(usages_list))