TST: Add more tests for string representation

unittests/test_identifiable.py

@@ -42,7 +42,8 @@ def test_create_hashable_string():
     assert a == b
     assert (
         Identifiable._create_hashable_string(
-            Identifiable(name="A", record_type="B", properties={'a': db.Record(id=12)})
+            Identifiable(name="A", record_type="B",
+                         properties={'a': db.Record(id=12)})
         ) == "P<B>N<A>a:12")
     a = Identifiable._create_hashable_string(
         Identifiable(name="A", record_type="B", properties={'a': [db.Record(id=12)]}))
@@ -51,7 +52,8 @@ def test_create_hashable_string():
         Identifiable(name="A", record_type="B", properties={'a': [12]})) == "P<B>N<A>a:[12]")
     assert (
         Identifiable._create_hashable_string(
-            Identifiable(name="A", record_type="B", properties={'a': [db.Record(id=12), 11]})
+            Identifiable(name="A", record_type="B", properties={
+                         'a': [db.Record(id=12), 11]})
         ) == "P<B>N<A>a:[12, 11]")
     assert (
         Identifiable._create_hashable_string(
@@ -68,6 +70,12 @@ def test_name():
 def test_repr():
     # only test that something meaningful is returned
     assert 'properties' in str(Identifiable(name="A", record_type="B"))
+    assert str(Identifiable(name="A", record_type="B", properties={'a': 0})).split(
+        "properties:\n")[1].split('\n')[0] == '{"a": 0}'
+    assert str(Identifiable(name="A", record_type="B", properties={'a': 0, 'b': "test"})).split(
+        "properties:\n")[1].split('\n')[0] == '{"a": 0, "b": "test"}'
+
+    # TODO(henrik): Add a test using backrefs once that's implemented.
 
 
 def test_equality():
@@ -83,5 +91,7 @@ def test_equality():
         path="a", properties={"a": 0}) == Identifiable(path="a", properties={"a": 1})
     assert Identifiable(
         path="a", properties={"a": 0}) == Identifiable(properties={"a": 0})
-    assert Identifiable(properties={"a": 0}) == Identifiable(properties={"a": 0})
-    assert Identifiable(properties={"a": 0}) != Identifiable(properties={"a": 1})
+    assert Identifiable(properties={"a": 0}) == Identifiable(
+        properties={"a": 0})
+    assert Identifiable(properties={"a": 0}) != Identifiable(
+        properties={"a": 1})