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# frozen_string_literal: true
require "cases/helper"
require "models/reply"
require "models/topic"
module ActiveRecord
class DupTest < ActiveRecord::TestCase
fixtures :topics
def test_dup
assert !Topic.new.freeze.dup.frozen?
end
def test_not_readonly
topic = Topic.first
duped = topic.dup
assert !duped.readonly?, "should not be readonly"
end
def test_is_readonly
topic = Topic.first
topic.readonly!
duped = topic.dup
assert duped.readonly?, "should be readonly"
end
def test_dup_not_persisted
topic = Topic.first
duped = topic.dup
assert !duped.persisted?, "topic not persisted"
assert duped.new_record?, "topic is new"
end
def test_dup_not_destroyed
topic = Topic.first
topic.destroy
duped = topic.dup
assert_not duped.destroyed?
end
def test_dup_has_no_id
topic = Topic.first
duped = topic.dup
assert_nil duped.id
end
def test_dup_with_modified_attributes
topic = Topic.first
topic.author_name = "Aaron"
duped = topic.dup
assert_equal "Aaron", duped.author_name
end
def test_dup_with_changes
dbtopic = Topic.first
topic = Topic.new
topic.attributes = dbtopic.attributes.except("id")
# duped has no timestamp values
duped = dbtopic.dup
# clear topic timestamp values
topic.send(:clear_timestamp_attributes)
assert_equal topic.changes, duped.changes
end
def test_dup_topics_are_independent
topic = Topic.first
topic.author_name = "Aaron"
duped = topic.dup
duped.author_name = "meow"
assert_not_equal topic.changes, duped.changes
end
def test_dup_attributes_are_independent
topic = Topic.first
duped = topic.dup
duped.author_name = "meow"
topic.author_name = "Aaron"
assert_equal "Aaron", topic.author_name
assert_equal "meow", duped.author_name
end
def test_dup_timestamps_are_cleared
topic = Topic.first
assert_not_nil topic.updated_at
assert_not_nil topic.created_at
# temporary change to the topic object
topic.updated_at -= 3.days
# dup should not preserve the timestamps if present
new_topic = topic.dup
assert_nil new_topic.updated_at
assert_nil new_topic.created_at
new_topic.save
assert_not_nil new_topic.updated_at
assert_not_nil new_topic.created_at
end
def test_dup_after_initialize_callbacks
topic = Topic.new
assert Topic.after_initialize_called
Topic.after_initialize_called = false
topic.dup
assert Topic.after_initialize_called
end
def test_dup_validity_is_independent
repair_validations(Topic) do
Topic.validates_presence_of :title
topic = Topic.new("title" => "Literature")
topic.valid?
duped = topic.dup
duped.title = nil
assert duped.invalid?
topic.title = nil
duped.title = "Mathematics"
assert topic.invalid?
assert duped.valid?
end
end
def test_dup_with_default_scope
prev_default_scopes = Topic.default_scopes
Topic.default_scopes = [proc { Topic.where(approved: true) }]
topic = Topic.new(approved: false)
assert !topic.dup.approved?, "should not be overridden by default scopes"
ensure
Topic.default_scopes = prev_default_scopes
end
def test_dup_without_primary_key
skip if current_adapter?(:OracleAdapter)
klass = Class.new(ActiveRecord::Base) do
self.table_name = "parrots_pirates"
end
record = klass.create!
assert_nothing_raised do
record.dup
end
end
end
end
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