obsolete.ChilliProject/vendor/plugins/acts_as_journalized/test/changes_test.rb

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2011-10-29 16:19:11 +04:00
#-- encoding: UTF-8
require File.join(File.dirname(__FILE__), 'test_helper')
class ChangesTest < Test::Unit::TestCase
context "A journal's changes" do
setup do
@user = User.create(:name => 'Steve Richert')
@user.update_attribute(:last_name, 'Jobs')
@changes = @user.journals.last.changes
end
should 'be a hash' do
assert_kind_of Hash, @changes
end
should 'not be empty' do
assert !@changes.empty?
end
should 'have string keys' do
@changes.keys.each do |key|
assert_kind_of String, key
end
end
should 'have array values' do
@changes.values.each do |value|
assert_kind_of Array, value
end
end
should 'have two-element values' do
@changes.values.each do |value|
assert_equal 2, value.size
end
end
should 'have unique-element values' do
@changes.values.each do |value|
assert_equal value.uniq, value
end
end
should "equal the model's changes" do
@user.first_name = 'Stephen'
model_changes = @user.changes
@user.save
changes = @user.journals.last.changes
assert_equal model_changes, changes
end
end
context 'A hash of changes' do
setup do
@changes = {'first_name' => ['Steve', 'Stephen']}
@other = {'first_name' => ['Catie', 'Catherine']}
end
should 'properly append other changes' do
expected = {'first_name' => ['Steve', 'Catherine']}
changes = @changes.append_changes(@other)
assert_equal expected, changes
@changes.append_changes!(@other)
assert_equal expected, @changes
end
should 'properly prepend other changes' do
expected = {'first_name' => ['Catie', 'Stephen']}
changes = @changes.prepend_changes(@other)
assert_equal expected, changes
@changes.prepend_changes!(@other)
assert_equal expected, @changes
end
should 'be reversible' do
expected = {'first_name' => ['Stephen', 'Steve']}
changes = @changes.reverse_changes
assert_equal expected, changes
@changes.reverse_changes!
assert_equal expected, @changes
end
end
context 'The changes between two journals' do
setup do
name = 'Steve Richert'
@user = User.create(:name => name) # 1
@user.update_attribute(:last_name, 'Jobs') # 2
@user.update_attribute(:first_name, 'Stephen') # 3
@user.update_attribute(:last_name, 'Richert') # 4
@user.update_attribute(:name, name) # 5
@version = @user.version
end
should 'be a hash' do
1.upto(@version) do |i|
1.upto(@version) do |j|
changes = @user.changes_between(i, j)
assert_kind_of Hash, changes
end
end
end
should 'have string keys' do
1.upto(@version) do |i|
1.upto(@version) do |j|
changes = @user.changes_between(i, j)
changes.keys.each do |key|
assert_kind_of String, key
end
end
end
end
should 'have array values' do
1.upto(@version) do |i|
1.upto(@version) do |j|
changes = @user.changes_between(i, j)
changes.values.each do |value|
assert_kind_of Array, value
end
end
end
end
should 'have two-element values' do
1.upto(@version) do |i|
1.upto(@version) do |j|
changes = @user.changes_between(i, j)
changes.values.each do |value|
assert_equal 2, value.size
end
end
end
end
should 'have unique-element values' do
1.upto(@version) do |i|
1.upto(@version) do |j|
changes = @user.changes_between(i, j)
changes.values.each do |value|
assert_equal value.uniq, value
end
end
end
end
should 'be empty between identical versions' do
assert @user.changes_between(1, @version).empty?
assert @user.changes_between(@version, 1).empty?
end
should 'be should reverse with direction' do
1.upto(@version) do |i|
i.upto(@version) do |j|
up = @user.changes_between(i, j)
down = @user.changes_between(j, i)
assert_equal up, down.reverse_changes
end
end
end
should 'be empty with invalid arguments' do
1.upto(@version) do |i|
assert @user.changes_between(i, nil)
assert @user.changes_between(nil, i)
end
end
end
end