Move this test case where it belongs.

jsonschema/tests/test_exceptions.py

@@ -1,4 +1,7 @@
+import textwrap
+
 from jsonschema import Draft4Validator, exceptions
+from jsonschema.compat import PY3
 from jsonschema.tests.compat import mock, unittest
 
 
@@ -270,21 +273,110 @@ class TestErrorTree(unittest.TestCase):
         self.assertIsInstance(tree["foo"], exceptions.ErrorTree)
 
 
-    def test_str_works_with_instances_having_overriden_eq_operator(self):
-        """
-        Checks for https://github.com/Julian/jsonschema/issues/164 which
-        rendered exceptions unusable when a `ValidationError` involved classes
-        withthe `eq` operator overridden (such as pandas.DataFrame),
-        caused by a `XX in YYY` check within `__unicode__`() method.
-        """
+class TestErrorReprStr(unittest.TestCase):
+    def make_error(self, **kwargs):
+        defaults = dict(
+            message=u"hello",
+            validator=u"type",
+            validator_value=u"string",
+            instance=5,
+            schema={u"type": u"string"},
+        )
+        defaults.update(kwargs)
+        return exceptions.ValidationError(**defaults)
 
-        class InstanceWithOverridenEq(object):
-            def __eq__(self, other):
-                raise Exception("Instance's __eq__()hould not have been called!")
-        inst = InstanceWithOverridenEq()
-        error = exceptions.ValidationError(
-            "a message", validator="foo", instance=inst, validator_value='some', schema='schema',
+    def assertShows(self, expected, **kwargs):
+        if PY3:
+            expected = expected.replace("u'", "'")
+        expected = textwrap.dedent(expected).rstrip("\n")
+
+        error = self.make_error(**kwargs)
+        message_line, _, rest = str(error).partition("\n")
+        self.assertEqual(message_line, error.message)
+        self.assertEqual(rest, expected)
+
+    def test_repr(self):
+        self.assertEqual(
+            repr(exceptions.ValidationError(message="Hello!")),
+            "<ValidationError: %r>" % "Hello!",
         )
 
-        ex_str = str(error)
-        self.assertTrue(str(exceptions).find(type(inst).__name__), ex_str)
+    def test_unset_error(self):
+        error = exceptions.ValidationError("message")
+        self.assertEqual(str(error), "message")
+
+        kwargs = {
+            "validator": "type",
+            "validator_value": "string",
+            "instance": 5,
+            "schema": {"type": "string"}
+        }
+        # Just the message should show if any of the attributes are unset
+        for attr in kwargs:
+            k = dict(kwargs)
+            del k[attr]
+            error = exceptions.ValidationError("message", **k)
+            self.assertEqual(str(error), "message")
+
+    def test_empty_paths(self):
+        self.assertShows(
+            """
+            Failed validating u'type' in schema:
+                {u'type': u'string'}
+
+            On instance:
+                5
+            """,
+            path=[],
+            schema_path=[],
+        )
+
+    def test_one_item_paths(self):
+        self.assertShows(
+            """
+            Failed validating u'type' in schema:
+                {u'type': u'string'}
+
+            On instance[0]:
+                5
+            """,
+            path=[0],
+            schema_path=["items"],
+        )
+
+    def test_multiple_item_paths(self):
+        self.assertShows(
+            """
+            Failed validating u'type' in schema[u'items'][0]:
+                {u'type': u'string'}
+
+            On instance[0][u'a']:
+                5
+            """,
+            path=[0, u"a"],
+            schema_path=[u"items", 0, 1],
+        )
+
+    def test_uses_pprint(self):
+        with mock.patch("pprint.pformat") as pformat:
+            str(self.make_error())
+            self.assertEqual(pformat.call_count, 2)  # schema + instance
+
+    def test_str_works_with_instances_having_overriden_eq_operator(self):
+        """
+        Check for https://github.com/Julian/jsonschema/issues/164 which
+        rendered exceptions unusable when a `ValidationError` involved
+        instances with an `__eq__` method that returned truthy values.
+
+        """
+
+        instance = mock.MagicMock()
+        error = exceptions.ValidationError(
+            "a message",
+            validator="foo",
+            instance=instance,
+            validator_value="some",
+            schema="schema",
+        )
+        str(error)
+        self.assertFalse(instance.__eq__.called)

jsonschema/tests/test_validators.py

@@ -1,10 +1,8 @@
 from collections import deque
 from contextlib import contextmanager
 import json
-import textwrap
 
 from jsonschema import FormatChecker, ValidationError
-from jsonschema.compat import PY3
 from jsonschema.tests.compat import mock, unittest
 from jsonschema.validators import (
     RefResolutionError, UnknownType, Draft3Validator,
@@ -194,96 +192,6 @@ class TestValidationErrorMessages(unittest.TestCase):
         self.assertIn("is not a", message)
 
 
-class TestErrorReprStr(unittest.TestCase):
-    def make_error(self, **kwargs):
-        defaults = dict(
-            message=u"hello",
-            validator=u"type",
-            validator_value=u"string",
-            instance=5,
-            schema={u"type": u"string"},
-        )
-        defaults.update(kwargs)
-        return ValidationError(**defaults)
-
-    def assertShows(self, expected, **kwargs):
-        if PY3:
-            expected = expected.replace("u'", "'")
-        expected = textwrap.dedent(expected).rstrip("\n")
-
-        error = self.make_error(**kwargs)
-        message_line, _, rest = str(error).partition("\n")
-        self.assertEqual(message_line, error.message)
-        self.assertEqual(rest, expected)
-
-    def test_repr(self):
-        self.assertEqual(
-            repr(ValidationError(message="Hello!")),
-            "<ValidationError: %r>" % "Hello!",
-        )
-
-    def test_unset_error(self):
-        error = ValidationError("message")
-        self.assertEqual(str(error), "message")
-
-        kwargs = {
-            "validator": "type",
-            "validator_value": "string",
-            "instance": 5,
-            "schema": {"type": "string"}
-        }
-        # Just the message should show if any of the attributes are unset
-        for attr in kwargs:
-            k = dict(kwargs)
-            del k[attr]
-            error = ValidationError("message", **k)
-            self.assertEqual(str(error), "message")
-
-    def test_empty_paths(self):
-        self.assertShows(
-            """
-            Failed validating u'type' in schema:
-                {u'type': u'string'}
-
-            On instance:
-                5
-            """,
-            path=[],
-            schema_path=[],
-        )
-
-    def test_one_item_paths(self):
-        self.assertShows(
-            """
-            Failed validating u'type' in schema:
-                {u'type': u'string'}
-
-            On instance[0]:
-                5
-            """,
-            path=[0],
-            schema_path=["items"],
-        )
-
-    def test_multiple_item_paths(self):
-        self.assertShows(
-            """
-            Failed validating u'type' in schema[u'items'][0]:
-                {u'type': u'string'}
-
-            On instance[0][u'a']:
-                5
-            """,
-            path=[0, u"a"],
-            schema_path=[u"items", 0, 1],
-        )
-
-    def test_uses_pprint(self):
-        with mock.patch("pprint.pformat") as pformat:
-            str(self.make_error())
-            self.assertEqual(pformat.call_count, 2)  # schema + instance
-
-
 class TestValidationErrorDetails(unittest.TestCase):
     # TODO: These really need unit tests for each individual validator, rather
     #       than just these higher level tests.