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require 'cases/helper'
require 'models/topic'
require 'models/reply'
require 'models/post'
require 'models/author'
class YamlSerializationTest < ActiveRecord::TestCase
fixtures :topics, :authors, :posts
def test_to_yaml_with_time_with_zone_should_not_raise_exception
with_timezone_config aware_attributes: true, zone: "Pacific Time (US & Canada)" do
topic = Topic.new(:written_on => DateTime.now)
assert_nothing_raised { topic.to_yaml }
end
end
def test_roundtrip
topic = Topic.first
assert topic
t = YAML.load YAML.dump topic
assert_equal topic, t
end
def test_roundtrip_serialized_column
topic = Topic.new(:content => {:omg=>:lol})
assert_equal({:omg=>:lol}, YAML.load(YAML.dump(topic)).content)
end
def test_psych_roundtrip
topic = Topic.first
assert topic
t = Psych.load Psych.dump topic
assert_equal topic, t
end
def test_psych_roundtrip_new_object
topic = Topic.new
assert topic
t = Psych.load Psych.dump topic
assert_equal topic.attributes, t.attributes
end
def test_active_record_relation_serialization
[Topic.all].to_yaml
end
def test_raw_types_are_not_changed_on_round_trip
topic = Topic.new(parent_id: "123")
assert_equal "123", topic.parent_id_before_type_cast
assert_equal "123", YAML.load(YAML.dump(topic)).parent_id_before_type_cast
end
def test_cast_types_are_not_changed_on_round_trip
topic = Topic.new(parent_id: "123")
assert_equal 123, topic.parent_id
assert_equal 123, YAML.load(YAML.dump(topic)).parent_id
end
def test_new_records_remain_new_after_round_trip
topic = Topic.new
assert topic.new_record?, "Sanity check that new records are new"
assert YAML.load(YAML.dump(topic)).new_record?, "Record should be new after deserialization"
topic.save!
assert_not topic.new_record?, "Saved records are not new"
assert_not YAML.load(YAML.dump(topic)).new_record?, "Saved record should not be new after deserialization"
topic = Topic.select('title').last
assert_not topic.new_record?, "Loaded records without ID are not new"
assert_not YAML.load(YAML.dump(topic)).new_record?, "Record should not be new after deserialization"
end
def test_types_of_virtual_columns_are_not_changed_on_round_trip
author = Author.select('authors.*, count(posts.id) as posts_count')
.joins(:posts)
.group('authors.id')
.first
dumped = YAML.load(YAML.dump(author))
assert_equal 5, author.posts_count
assert_equal 5, dumped.posts_count
end
end
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