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authorYury Selivanov <yury@magic.io>2018-04-01 17:20:15 -0400
committerYury Selivanov <yury@magic.io>2018-04-01 17:20:15 -0400
commit4c6ad448e83a60166fc0be2054246a992a1edfe6 (patch)
tree3be79040dca7ce594f77c3e4966157b376423b32 /tests
parent0535d923a4d33ae0af077d211699ab01edd36518 (diff)
downloadimmutables-4c6ad448e83a60166fc0be2054246a992a1edfe6.tar.gz
immutables-4c6ad448e83a60166fc0be2054246a992a1edfe6.zip
Implement __repr__
Diffstat (limited to 'tests')
-rw-r--r--tests/test_map.py54
1 files changed, 53 insertions, 1 deletions
diff --git a/tests/test_map.py b/tests/test_map.py
index a17e005..06c82b9 100644
--- a/tests/test_map.py
+++ b/tests/test_map.py
@@ -16,6 +16,8 @@ class HashKey:
self.error_on_eq_to = error_on_eq_to
def __repr__(self):
+ if self._crasher is not None and self._crasher.error_on_repr:
+ raise ReprError
return '<Key name:{} hash:{}>'.format(self.name, self.hash)
def __hash__(self):
@@ -51,12 +53,19 @@ class KeyStr(str):
raise EqError
return super().__eq__(other)
+ def __repr__(self, other):
+ if HashKey._crasher is not None and HashKey._crasher.error_on_repr:
+ raise ReprError
+ return super().__eq__(other)
+
class HaskKeyCrasher:
- def __init__(self, *, error_on_hash=False, error_on_eq=False):
+ def __init__(self, *, error_on_hash=False, error_on_eq=False,
+ error_on_repr=False):
self.error_on_hash = error_on_hash
self.error_on_eq = error_on_eq
+ self.error_on_repr = error_on_repr
def __enter__(self):
if HashKey._crasher is not None:
@@ -75,6 +84,10 @@ class EqError(Exception):
pass
+class ReprError(Exception):
+ pass
+
+
class MapTest(unittest.TestCase):
def test_hashkey_helper_1(self):
@@ -705,6 +718,45 @@ class MapTest(unittest.TestCase):
with HaskKeyCrasher(error_on_hash=True):
h[AA]
+ def test_repr_1(self):
+ h = Map()
+ self.assertTrue(repr(h).startswith('<immutables.Map({}) at 0x'))
+
+ h = h.set(1, 2).set(2, 3).set(3, 4)
+ self.assertTrue(repr(h).startswith(
+ '<immutables.Map({1: 2, 2: 3, 3: 4}) at 0x'))
+
+ def test_repr_2(self):
+ h = Map()
+ A = HashKey(100, 'A')
+
+ with self.assertRaises(ReprError):
+ with HaskKeyCrasher(error_on_repr=True):
+ repr(h.set(1, 2).set(A, 3).set(3, 4))
+
+ with self.assertRaises(ReprError):
+ with HaskKeyCrasher(error_on_repr=True):
+ repr(h.set(1, 2).set(2, A).set(3, 4))
+
+ def test_repr_3(self):
+ class Key:
+ def __init__(self):
+ self.val = None
+
+ def __hash__(self):
+ return 123
+
+ def __repr__(self):
+ return repr(self.val)
+
+ h = Map()
+ k = Key()
+ h = h.set(k, 1)
+ k.val = h
+
+ self.assertTrue(repr(h).startswith(
+ '<immutables.Map({{...}: 1}) at 0x'))
+
if __name__ == "__main__":
unittest.main()