Fix validators __all__ (#517)

* add new validators from #425 to validators.__all__

* add test for each validator, verifying that it is in validators.__all__

* add changelog entry for #517

* apply autolinting

* Make module path absolute

changelog.d/517.bugfix.rst

@@ -0,0 +1 @@
+Updated ``attr.validators.__all__`` to include new validators added in `#425 <https://github.com/python-attrs/attrs/pull/425>`_.

src/attr/validators.py

@@ -7,7 +7,16 @@ from __future__ import absolute_import, division, print_function
 from ._make import _AndValidator, and_, attrib, attrs
 
 
-__all__ = ["and_", "in_", "instance_of", "optional", "provides"]
+__all__ = [
+    "and_",
+    "deep_iterable",
+    "deep_mapping",
+    "in_",
+    "instance_of",
+    "is_callable",
+    "optional",
+    "provides",
+]
 
 
 @attrs(repr=False, slots=True, hash=True)

tests/test_validators.py

@@ -31,6 +31,12 @@ class TestInstanceOf(object):
     Tests for `instance_of`.
     """
 
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert instance_of.__name__ in validator_module.__all__
+
     def test_success(self):
         """
         Nothing happens if types match.
@@ -86,6 +92,12 @@ def always_fail(_, __, ___):
 
 
 class TestAnd(object):
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert and_.__name__ in validator_module.__all__
+
     def test_success(self):
         """
         Succeeds if all wrapped validators succeed.
@@ -132,6 +144,12 @@ class TestProvides(object):
     Tests for `provides`.
     """
 
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert provides.__name__ in validator_module.__all__
+
     def test_success(self):
         """
         Nothing happens if value provides requested interface.
@@ -184,6 +202,12 @@ class TestOptional(object):
     Tests for `optional`.
     """
 
+    def test_in_all(self, validator):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert optional.__name__ in validator_module.__all__
+
     def test_success(self, validator):
         """
         Nothing happens if validator succeeds.
@@ -239,6 +263,12 @@ class TestIn_(object):
     Tests for `in_`.
     """
 
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert in_.__name__ in validator_module.__all__
+
     def test_success_with_value(self):
         """
         If the value is in our options, nothing happens.
@@ -281,6 +311,12 @@ class TestDeepIterable(object):
     Tests for `deep_iterable`.
     """
 
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert deep_iterable.__name__ in validator_module.__all__
+
     def test_success_member_only(self):
         """
         If the member validator succeeds and the iterable validator is not set,
@@ -395,6 +431,12 @@ class TestDeepMapping(object):
     Tests for `deep_mapping`.
     """
 
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert deep_mapping.__name__ in validator_module.__all__
+
     def test_success(self):
         """
         If both the key and value validators succeed, nothing happens.
@@ -485,6 +527,12 @@ class TestIsCallable(object):
     Tests for `is_callable`.
     """
 
+    def test_in_all(self):
+        """
+        Verify that this validator is in ``__all__``.
+        """
+        assert is_callable.__name__ in validator_module.__all__
+
     def test_success(self):
         """
         If the value is callable, nothing happens.