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-rw-r--r--activerecord/test/cases/attribute_test.rb30
1 files changed, 30 insertions, 0 deletions
diff --git a/activerecord/test/cases/attribute_test.rb b/activerecord/test/cases/attribute_test.rb
index 91f6aee931..7b325abf1d 100644
--- a/activerecord/test/cases/attribute_test.rb
+++ b/activerecord/test/cases/attribute_test.rb
@@ -138,5 +138,35 @@ module ActiveRecord
test "uninitialized attributes have no value" do
assert_nil Attribute.uninitialized(:foo, nil).value
end
+
+ test "attributes equal other attributes with the same constructor arguments" do
+ first = Attribute.from_database(:foo, 1, Type::Integer.new)
+ second = Attribute.from_database(:foo, 1, Type::Integer.new)
+ assert_equal first, second
+ end
+
+ test "attributes do not equal attributes with different names" do
+ first = Attribute.from_database(:foo, 1, Type::Integer.new)
+ second = Attribute.from_database(:bar, 1, Type::Integer.new)
+ assert_not_equal first, second
+ end
+
+ test "attributes do not equal attributes with different types" do
+ first = Attribute.from_database(:foo, 1, Type::Integer.new)
+ second = Attribute.from_database(:foo, 1, Type::Float.new)
+ assert_not_equal first, second
+ end
+
+ test "attributes do not equal attributes with different values" do
+ first = Attribute.from_database(:foo, 1, Type::Integer.new)
+ second = Attribute.from_database(:foo, 2, Type::Integer.new)
+ assert_not_equal first, second
+ end
+
+ test "attributes do not equal attributes of other classes" do
+ first = Attribute.from_database(:foo, 1, Type::Integer.new)
+ second = Attribute.from_user(:foo, 1, Type::Integer.new)
+ assert_not_equal first, second
+ end
end
end