Merge branch 'master' into deprecations

test/test_api/test_api.py

@@ -15,7 +15,7 @@ from test.helpers import test_dir, get_example_dir
 
 
 def test_preload_modules():
-    def check_loaded(*modules):
+    def check_loaded(*module_names):
         for grammar_cache in cache.parser_cache.values():
             if None in grammar_cache:
                 break
@@ -25,9 +25,9 @@ def test_preload_modules():
             if path is not None and str(path).startswith(str(typeshed.TYPESHED_PATH))
         )
         # +1 for None module (currently used)
-        assert len(grammar_cache) - typeshed_cache_count == len(modules) + 1
-        for i in modules:
-            assert [i in k for k in grammar_cache.keys() if k is not None]
+        assert len(grammar_cache) - typeshed_cache_count == len(module_names) + 1
+        for i in module_names:
+            assert [i in str(k) for k in grammar_cache.keys() if k is not None]
 
     old_cache = cache.parser_cache.copy()
     cache.parser_cache.clear()
@@ -370,3 +370,35 @@ def test_multi_goto(Script):
     y, = script.goto(line=4)
     assert x.line == 1
     assert y.line == 2
+
+
+@pytest.mark.parametrize(
+    'code, column, expected', [
+        ('str() ', 3, 'str'),
+        ('str() ', 4, 'str'),
+        ('str() ', 5, 'str'),
+        ('str() ', 6, None),
+        ('str(    ) ', 6, None),
+        ('   1', 1, None),
+        ('str(1) ', 3, 'str'),
+        ('str(1) ', 4, 'int'),
+        ('str(1) ', 5, 'int'),
+        ('str(1) ', 6, 'str'),
+        ('str(1) ', 7, None),
+        ('str( 1) ', 4, 'str'),
+        ('str( 1) ', 5, 'int'),
+        ('str(+1) ', 4, 'str'),
+        ('str(+1) ', 5, 'int'),
+        ('str(1, 1.) ', 3, 'str'),
+        ('str(1, 1.) ', 4, 'int'),
+        ('str(1, 1.) ', 5, 'int'),
+        ('str(1, 1.) ', 6, None),
+        ('str(1, 1.) ', 7, 'float'),
+    ]
+)
+def test_infer_after_parentheses(Script, code, column, expected):
+    completions = Script(code).infer(column=column)
+    if expected is None:
+        assert completions == []
+    else:
+        assert [c.name for c in completions] == [expected]

test/test_api/test_call_signatures.py

@@ -121,11 +121,8 @@ def test_multiple_signatures(Script):
 
 
 def test_get_signatures_whitespace(Script):
-    s = dedent("""\
-    abs( 
-    def x():
-        pass
-    """)  # noqa
+    # note: trailing space after 'abs'
+    s = 'abs( \ndef x():\n    pass\n'
     assert_signature(Script, s, 'abs', 0, line=1, column=5)
 
 

test/test_api/test_classes.py

@@ -513,10 +513,14 @@ def test_added_equals_to_params(Script):
 
     assert run('foo(bar').name_with_symbols == 'bar='
     assert run('foo(bar').complete == '='
+    assert run('foo(bar').get_completion_prefix_length() == 3
     assert run('foo(bar, baz').complete == '='
+    assert run('foo(bar, baz').get_completion_prefix_length() == 3
     assert run('    bar').name_with_symbols == 'bar'
     assert run('    bar').complete == ''
+    assert run('    bar').get_completion_prefix_length() == 3
     x = run('foo(bar=isins').name_with_symbols
+    assert run('foo(bar=isins').get_completion_prefix_length() == 5
     assert x == 'isinstance'
 
 

test/test_api/test_interpreter.py

@@ -621,7 +621,8 @@ def bar():
 
         # typing is available via globals.
         ({'return': 'typing.Union[str, int]'}, ['int', 'str'], ''),
-        ({'return': 'typing.Union["str", int]'}, ['int'], ''),
+        ({'return': 'typing.Union["str", int]'},
+         ['int', 'str'] if sys.version_info >= (3, 9) else ['int'], ''),
         ({'return': 'typing.Union["str", 1]'}, [], ''),
         ({'return': 'typing.Optional[str]'}, ['NoneType', 'str'], ''),
         ({'return': 'typing.Optional[str, int]'}, [], ''),  # Takes only one arg

test/test_api/test_project.py

@@ -6,6 +6,7 @@ import pytest
 from ..helpers import get_example_dir, set_cwd, root_dir, test_dir
 from jedi import Interpreter
 from jedi.api import Project, get_default_project
+from jedi.api.project import _is_potential_project, _CONTAINS_POTENTIAL_PROJECT
 
 
 def test_django_default_project(Script):
@@ -17,7 +18,12 @@ def test_django_default_project(Script):
     )
     c, = script.complete()
     assert c.name == "SomeModel"
-    assert script._inference_state.project._django is True
+
+    project = script._inference_state.project
+    assert project._django is True
+    assert project.sys_path is None
+    assert project.smart_sys_path is True
+    assert project.load_unsafe_extensions is False
 
 
 def test_django_default_project_of_file(Script):
@@ -155,3 +161,21 @@ def test_complete_search(Script, string, completions, all_scopes):
     project = Project(test_dir)
     defs = project.complete_search(string, all_scopes=all_scopes)
     assert [d.complete for d in defs] == completions
+
+
+@pytest.mark.parametrize(
+    'path,expected', [
+        (Path(__file__).parents[2], True), # The path of the project
+        (Path(__file__).parents[1], False), # The path of the tests, not a project
+        (Path.home(), None)
+    ]
+)
+def test_is_potential_project(path, expected):
+
+    if expected is None:
+        try:
+            expected = _CONTAINS_POTENTIAL_PROJECT in os.listdir(path)
+        except OSError:
+            expected = False
+
+    assert _is_potential_project(path) == expected