-- Test cases for generating fine-grained dependencies for statements.
--
-- The dependencies are used for fined-grained incremental checking.
--
-- See the comment at the top of deps.test for more documentation.

[case testIfStmt]
def f1() -> int: pass
def f2() -> None: pass
def f3() -> int: pass
def f4() -> None: pass
def f5() -> None: pass

def g() -> None:
    if f1():
        f2()
    elif f3():
        f4()
    else:
        f5()
[out]
<m.f1> -> m.g
<m.f2> -> m.g
<m.f3> -> m.g
<m.f4> -> m.g
<m.f5> -> m.g

[case testWhileStmt]
def f1() -> int: pass
def f2() -> None: pass
def f3() -> None: pass

def g() -> None:
    while f1():
        f2()
    else:
        f3()
[out]
<m.f1> -> m.g
<m.f2> -> m.g
<m.f3> -> m.g

[case testAssertStmt]
def f1() -> int: pass
def f2() -> str: pass
def f3() -> int: pass

def g() -> None:
    assert f1(), f2()
    assert f3()
[out]
<m.f1> -> m.g
<m.f2> -> m.g
<m.f3> -> m.g

[case testRaiseStmt]
def f1() -> BaseException: pass
def f2() -> BaseException: pass

def g1() -> None:
    raise f1()

def g2() -> None:
    raise f1() from f2()
[builtins fixtures/exception.pyi]
[out]
<m.f1> -> m.g1, m.g2
<m.f2> -> m.g2

[case testTryFinallyStmt]
def f1() -> None: pass
def f2() -> None: pass

def g() -> None:
    try:
        f1()
    finally:
        f2()
[out]
<m.f1> -> m.g
<m.f2> -> m.g

[case testForStmt]
from typing import Iterator

class A:
    def __iter__(self) -> Iterator[int]: pass

def f1() -> None: pass
def f2() -> None: pass

def g() -> None:
    a: A
    for x in a:
        f1()
    else:
        f2()
[builtins fixtures/list.pyi]
[out]
<m.A.__getitem__> -> m.g
<m.A.__iter__> -> m.g
<m.A> -> m.A, m.g
<m.f1> -> m.g
<m.f2> -> m.g

[case testTryExceptStmt]
class A(BaseException): pass
class B(BaseException):
    def f(self) -> None: pass

def f1() -> None: pass
def f2() -> None: pass
def f3() -> None: pass

def g() -> None:
    try:
        f1()
    except A:
        f2()
    except B as e:
        e.f()
    else:
        f3()
[builtins fixtures/exception.pyi]
[out]
-- The dependencies on the ctor are basically spurious but not a problem
<m.A.__init__> -> m.g
<m.A.__new__> -> m.g
<m.A> -> m.A, m.g
<m.B.__init__> -> m.g
<m.B.__new__> -> m.g
<m.B.f> -> m.g
<m.B> -> m.B, m.g
<m.f1> -> m.g
<m.f2> -> m.g
<m.f3> -> m.g

[case testTryExceptStmt2]
class A(BaseException): pass
class B(BaseException):
    def f(self) -> None: pass

def f1() -> None: pass
def f2() -> None: pass

def g() -> None:
    try:
        f1()
    except (A, B):
        f2()
[builtins fixtures/exception.pyi]
[out]
-- The dependencies on the ctor are basically spurious but not a problem
<m.A.__init__> -> m.g
<m.A.__new__> -> m.g
<m.A> -> m.A, m.g
<m.B.__init__> -> m.g
<m.B.__new__> -> m.g
<m.B> -> m.B, m.g
<m.f1> -> m.g
<m.f2> -> m.g

[case testWithStmt]
from typing import Any
class A:
    def __enter__(self) -> 'B': pass
    def __exit__(self, a, b, c) -> None: pass

class B:
    def f(self) -> None: pass

def g() -> None:
    a: A
    with a as x:
        x.f()
[out]
<m.A.__enter__> -> m.g
<m.A.__exit__> -> m.g
<m.A> -> m.A, m.g
<m.B.f> -> m.g
<m.B> -> <m.A.__enter__>, m.A.__enter__, m.B

[case testWithStmt2]
from typing import Any
class A:
    def __enter__(self) -> 'C': pass
    def __exit__(self, a, b, c) -> None: pass
class B:
    def __enter__(self) -> 'D': pass
    def __exit__(self, a, b, c) -> None: pass

class C: pass
class D: pass

def g() -> None:
    a: A
    b: B
    with a as x, b as y:
        pass
[out]
<m.A.__enter__> -> m.g
<m.A.__exit__> -> m.g
<m.A> -> m.A, m.g
<m.B.__enter__> -> m.g
<m.B.__exit__> -> m.g
<m.B> -> m.B, m.g
<m.C> -> <m.A.__enter__>, m.A.__enter__, m.C
<m.D> -> <m.B.__enter__>, m.B.__enter__, m.D

[case testWithStmtAnnotation]
from typing import Any
class A:
    def __enter__(self) -> Any: pass
    def __exit__(self, a, b, c) -> None: pass

class B: pass

def f(b: B) -> None: pass

def g() -> None:
    a: A
    with a as x: # type: B
        f(x)
[out]
<m.A.__enter__> -> m.g
<m.A.__exit__> -> m.g
<m.A> -> m.A, m.g
<m.B> -> <m.f>, m.B, m.f, m.g
<m.f> -> m.g

[case testForStmtAnnotation]
class A:
    def __iter__(self): pass

class B:
    def f(self) -> None: pass

def g() -> None:
    a: A
    for x in a: # type: B
        x.f()
[builtins fixtures/list.pyi]
[out]
<m.A.__getitem__> -> m.g
<m.A.__iter__> -> m.g
<m.A> -> m.A, m.g
<m.B.f> -> m.g
<m.B> -> m.B, m.g

[case testMultipleAssignment]
from typing import Iterator
class A:
    def __iter__(self) -> Iterator[int]: pass

def f() -> None:
    a: A
    x, y = a
[out]
<m.A.__iter__> -> <m.A>, m.f
<m.A> -> m.A, m.f, typing.Iterable

[case testMultipleLvalues]
class A:
    def f(self) -> None:
        self.x = 1
        self.y = 1

def g() -> None:
    a: A
    a.x = a.y = 1
[out]
<m.A.x> -> m.A.f, m.g
<m.A.y> -> m.A.f, m.g
<m.A> -> m.A, m.g

[case testNestedLvalues]
class A:
    def f(self) -> None:
        self.x = 1
        self.y = ''

def g() -> None:
    a: A
    a.x, a.y = 1, ''
[out]
<m.A.x> -> m.A.f, m.g
<m.A.y> -> m.A.f, m.g
<m.A> -> m.A, m.g

[case testForAndSetItem]
class A:
    def __setitem__(self, x: int, y: int) -> None: pass

def f(): pass

def g() -> None:
    a: A
    for a[0] in f():
        pass
[builtins fixtures/list.pyi]
[out]
<m.A.__getitem__> -> m.g
<m.A.__setitem__> -> m.g
<m.A> -> m.A, m.g
<m.f> -> m.g

[case testMultipleAssignmentAndFor]
from typing import Iterator, Iterable

class A:
    def f(self) -> None:
        self.x = 1
        self.y = 1

class B:
    def __iter__(self) -> Iterator[int]: pass

def f() -> Iterable[B]: pass

def g() -> None:
    a: A
    for a.x, a.y in f():
        pass
[builtins fixtures/list.pyi]
[out]
<m.A.x> -> m.A.f, m.g
<m.A.y> -> m.A.f, m.g
<m.A> -> m.A, m.g
<m.B.__getitem__> -> m.g
<m.B.__iter__> -> <m.B>, m.g
<m.B> -> <m.f>, m.B, m.f, typing.Iterable
<m.f> -> m.g

[case testNestedSetItem]
class A:
    def __setitem__(self, x: int, y: int) -> None: pass
class B:
    def __setitem__(self, x: int, y: int) -> None: pass

def f(): pass

def g() -> None:
    a: A
    b: B
    a[0], b[0] = f()
[out]
<m.A.__getitem__> -> m.g
<m.A.__setitem__> -> m.g
<m.A> -> m.A, m.g
<m.B.__getitem__> -> m.g
<m.B.__setitem__> -> m.g
<m.B> -> m.B, m.g
<m.f> -> m.g

[case testOperatorAssignmentStmt]
class A:
    def __add__(self, other: 'B') -> 'A': pass

class B: pass

def f() -> B: pass

def g() -> None:
    a: A
    a += f()
[out]
<m.A.__add__> -> m.g
<m.A.__iadd__> -> m.g
<m.A> -> <m.A.__add__>, m.A, m.A.__add__, m.g
<m.B> -> <m.A.__add__>, <m.f>, m.A.__add__, m.B, m.f
<m.f> -> m.g

[case testOperatorAssignmentStmtSetItem]
class A:
    def __add__(self, other: 'B') -> 'A': pass

class B: pass

class C:
    def __getitem__(self, x: int) -> A: pass
    def __setitem__(self, x: int, y: A) -> None: pass

def f() -> int: pass

def g() -> None:
    b: B
    c: C
    c[f()] += b
[out]
<m.A.__add__> -> m.g
<m.A.__iadd__> -> m.g
<m.A> -> <m.A.__add__>, <m.C.__getitem__>, <m.C.__setitem__>, m.A, m.A.__add__, m.C.__getitem__, m.C.__setitem__
<m.B> -> <m.A.__add__>, m.A.__add__, m.B, m.g
<m.C.__getitem__> -> m.g
<m.C.__setitem__> -> m.g
<m.C> -> m.C, m.g
<m.f> -> m.g

[case testYieldStmt]
from typing import Iterator

class A: pass

def f1() -> A: pass

def g() -> Iterator[A]:
    yield f1()
[builtins fixtures/list.pyi]
[out]
<m.A> -> <m.f1>, <m.g>, m.A, m.f1, m.g
<m.f1> -> m.g

[case testDelStmt]
class A:
    def f(self) -> None:
        self.x = 1

def f() -> A: pass

def g() -> None:
    del f().x
[out]
<m.A.x> -> m.A.f, m.g
<m.A> -> <m.f>, m.A, m.f
<m.f> -> m.g

[case testDelStmtWithIndexing]
class A:
    def __delitem__(self, x: int) -> None: pass

def f1() -> A: pass
def f2() -> int: pass

def g() -> None:
    del f1()[f2()]
[out]
<m.A.__delitem__> -> m.g
-- __getitem__ is redundant but harmless
<m.A.__getitem__> -> m.g
<m.A> -> <m.f1>, m.A, m.f1
<m.f1> -> m.g
<m.f2> -> m.g

[case testYieldFrom]
from typing import Iterator
class A:
    def __iter__(self) -> Iterator[int]: pass
def f() -> Iterator[int]:
    yield from A()
[out]
<m.A.__init__> -> m.f
<m.A.__iter__> -> <m.A>, m.f
<m.A.__new__> -> m.f
<m.A> -> m.A, m.f, typing.Iterable

[case testFunctionDecorator]
from typing import Callable
def dec(f: Callable[[int], int]) -> Callable[[str], str]:
    pass

def f() -> int: pass

@dec
def g(x: int) -> int:
    return f()
[out]
<m.dec> -> m
<m.f> -> m.g
<m.g> -> m

[case testMethodDecorator]
from typing import Callable, Any
def dec(f: Callable[[Any, int], int]) -> Callable[[Any, str], str]:
    pass

def f() -> int: pass

class A:
    @dec
    def g(self, x: int) -> int:
        return f()
[out]
<m.A.g> -> m
<m.A> -> m.A
<m.dec> -> m
<m.f> -> m.A.g

[case testNestedFunction]
class A: pass

def h() -> None: pass

def f() -> None:
    def g(x: A) -> None:
        h()
[out]
<m.A> -> <m.f>, m.A, m.f
<m.h> -> m.f

[case testPlatformCheck]
import a
import sys

def f() -> int:
    if sys.platform == 'nonexistent':
        return a.g()
    else:
        return 1
[file a.py]
[builtins fixtures/ops.pyi]
[out]
<a> -> m
<sys.platform> -> m.f
<sys> -> m, m.f

[case testOverload]
from typing import overload

class A: pass
class B(A): pass

@overload
def f(x: B) -> B: ...
@overload
def f(x: A) -> A: ...

def f(x: A) -> A:
    g()
    return x

def g() -> None: pass
[builtins fixtures/isinstancelist.pyi]
[out]
<m.A.(abstract)> -> <m.B.__init__>, m
<m.A.__init__> -> <m.B.__init__>
<m.A.__new__> -> <m.B.__new__>
<m.A> -> <m.f>, m, m.A, m.B, m.f
<m.B> -> <m.f>, m.B, m.f
<m.g> -> m.f

[case testOverloadedMethod]
from typing import overload

class A: pass
class B(A): pass

class C:
    @overload
    def f(self, x: B) -> B: ...
    @overload
    def f(self, x: A) -> A: ...

    def f(self, x: A) -> A:
        self.g()
        return x

    def g(self) -> None: pass
[builtins fixtures/isinstancelist.pyi]
[out]
<m.A.(abstract)> -> <m.B.__init__>, m
<m.A.__init__> -> <m.B.__init__>
<m.A.__new__> -> <m.B.__new__>
<m.A> -> <m.C.f>, m, m.A, m.B, m.C.f
<m.B> -> <m.C.f>, m.B, m.C.f
<m.C.g> -> m.C.f
<m.C> -> m.C

[case testConditionalFunctionDefinition]
import sys

class A: pass
class B: pass

if sys.platform == 'nonexistent':
    def f(x: A) -> None:
        g()
else:
    def f(x: B) -> None:
        h()

def g() -> None: pass
def h() -> None: pass
[builtins fixtures/ops.pyi]
[out]
<m.A> -> m.A
<m.B> -> <m.f>, m.B, m.f
<m.h> -> m.f
<sys.platform> -> m
<sys> -> m

[case testConditionalMethodDefinition]
import sys

class A: pass
class B: pass

class C:
    if sys.platform == 'nonexistent':
        def f(self, x: A) -> None:
            self.g()
    else:
        def f(self, x: B) -> None:
            self.h()

    def g(self) -> None: pass
    def h(self) -> None: pass
[builtins fixtures/ops.pyi]
[out]
<m.A> -> m.A
<m.B> -> <m.C.f>, m.B, m.C.f
<m.C.h> -> m.C.f
<m.C> -> m.C
<sys.platform> -> m
<sys> -> m

[case testNewType]
from typing import NewType
from m import C

N = NewType('N', C)

def f(n: N) -> None:
    pass
[file m.py]
class C:
    x: int
[out]
<m.N> -> <m.f>, m, m.f
<m.C.(abstract)> -> <m.N.__init__>, m
<m.C.__init__> -> <m.N.__init__>
<m.C.__new__> -> <m.N.__new__>
<m.C.x> -> <m.N.x>
<m.C> -> m, m.N
<m> -> m