/
widget_spec.rb
252 lines (204 loc) · 8.04 KB
/
widget_spec.rb
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require 'spec_helper'
describe Widget do
describe '`be_versioned` matcher' do
it { should be_versioned }
end
let(:widget) { Widget.create! :name => 'Bob', :an_integer => 1 }
describe '`have_a_version_with` matcher', :versioning => true do
before do
widget.update_attributes!(:name => 'Leonard', :an_integer => 1 )
widget.update_attributes!(:name => 'Tom')
widget.update_attributes!(:name => 'Bob')
end
it "is possible to do assertions on versions" do
widget.should have_a_version_with :name => 'Leonard', :an_integer => 1
widget.should have_a_version_with :an_integer => 1
widget.should have_a_version_with :name => 'Tom'
end
end
describe "`versioning` option" do
context :enabled, :versioning => true do
it 'should enable versioning for models wrapped within a block' do
widget.versions.size.should == 1
end
end
context '`disabled` (default)' do
it 'should not enable versioning for models wrapped within a block not marked to used versioning' do
widget.versions.size.should == 0
end
end
end
describe "Callbacks", :versioning => true do
describe :before_save do
context ':on => :update' do
before { widget.update_attributes!(:name => 'Foobar') }
subject { widget.versions.last.reify }
it "should reset the value for the timestamp attrs for update so that value gets updated properly" do
expect { subject.save! }.to change(subject, :updated_at)
end
end
end
describe :after_update do
before { widget.update_attributes!(:name => 'Foobar') }
subject { widget.versions.last.reify }
it { subject.should_not be_live }
it "should clear the `versions_association_name` virtual attribute" do
subject.save!
subject.should be_live
end
end
describe :after_destroy do
it "should create a version for that event" do
expect { widget.destroy }.to change(widget.versions, :count).by(1)
end
it "should assign the version into the `versions_association_name`" do
widget.version.should be_nil
widget.destroy
widget.version.should_not be_nil
widget.version.should == widget.versions.last
end
end
end
describe "Association", :versioning => true do
describe "sort order" do
it "should sort by the timestamp order from the `VersionConcern`" do
widget.versions.to_sql.should ==
widget.versions.reorder(PaperTrail::Version.timestamp_sort_order).to_sql
end
end
end
describe "Methods" do
describe "Instance", :versioning => true do
describe :originator do
it { should respond_to(:originator) }
describe "return value" do
let(:orig_name) { Faker::Name.name }
let(:new_name) { Faker::Name.name }
before { PaperTrail.whodunnit = orig_name }
context "accessed from live model instance" do
specify { widget.should be_live }
it "should return the originator for the model at a given state" do
widget.originator.should == orig_name
widget.whodunnit(new_name) { |w| w.update_attributes(:name => 'Elizabeth') }
widget.originator.should == new_name
end
end
context "accessed from a reified model instance" do
before do
widget.update_attributes(:name => 'Andy')
PaperTrail.whodunnit = new_name
widget.update_attributes(:name => 'Elizabeth')
end
let(:reified_widget) { widget.versions[1].reify }
it "should return the appropriate originator" do
reified_widget.originator.should == orig_name
end
end
end
end
describe :version_at do
it { should respond_to(:version_at) }
context "Timestamp argument is AFTER object has been destroyed" do
before do
widget.update_attribute(:name, 'foobar')
widget.destroy
end
it "should return `nil`" do
widget.version_at(Time.now).should be_nil
end
end
end
describe :whodunnit do
it { should respond_to(:whodunnit) }
context "no block given" do
it "should raise an error" do
expect { widget.whodunnit('Ben') }.to raise_error(ArgumentError, 'expected to receive a block')
end
end
context "block given" do
let(:orig_name) { Faker::Name.name }
let(:new_name) { Faker::Name.name }
before do
PaperTrail.whodunnit = orig_name
widget.versions.last.whodunnit.should == orig_name # persist `widget`
end
it "should modify value of `PaperTrail.whodunnit` while executing the block" do
widget.whodunnit(new_name) do
PaperTrail.whodunnit.should == new_name
widget.update_attributes(:name => 'Elizabeth')
end
widget.versions.last.whodunnit.should == new_name
end
it "should revert the value of `PaperTrail.whodunnit` to it's previous value after executing the block" do
widget.whodunnit(new_name) { |w| w.update_attributes(:name => 'Elizabeth') }
PaperTrail.whodunnit.should == orig_name
end
context "error within block" do
it "should ensure that the whodunnit value still reverts to it's previous value" do
expect { widget.whodunnit(new_name) { raise } }.to raise_error
PaperTrail.whodunnit.should == orig_name
end
end
end
end
describe :touch_with_version do
it { should respond_to(:touch_with_version) }
it "should generate a version" do
count = widget.versions.size
widget.touch_with_version
widget.versions.size.should == count + 1
end
it "should increment the `:updated_at` timestamp" do
time_was = widget.updated_at
widget.touch_with_version
widget.updated_at.should > time_was
end
end
end
describe "Class" do
subject { Widget }
describe :paper_trail_off! do
it { should respond_to(:paper_trail_off!) }
it 'should set the `paper_trail_enabled_for_model?` to `false`' do
subject.paper_trail_enabled_for_model?.should == true
subject.paper_trail_off!
subject.paper_trail_enabled_for_model?.should == false
end
end
describe :paper_trail_off do
it { should respond_to(:paper_trail_off) }
it 'should set the invoke `paper_trail_off!`' do
subject.should_receive(:warn)
subject.should_receive(:paper_trail_off!)
subject.paper_trail_off
end
it 'should display a deprecation warning' do
subject.should_receive(:warn).with("DEPRECATED: use `paper_trail_on!` instead of `paper_trail_on`. Support for `paper_trail_on` will be removed in PaperTrail 3.1")
subject.paper_trail_on
end
end
describe :paper_trail_on! do
before { subject.paper_trail_off! }
it { should respond_to(:paper_trail_on!) }
it 'should set the `paper_trail_enabled_for_model?` to `true`' do
subject.paper_trail_enabled_for_model?.should == false
subject.paper_trail_on!
subject.paper_trail_enabled_for_model?.should == true
end
end
describe :paper_trail_on do
before { subject.paper_trail_off! }
it { should respond_to(:paper_trail_on) }
it 'should set the invoke `paper_trail_on!`' do
subject.should_receive(:warn)
subject.should_receive(:paper_trail_on!)
subject.paper_trail_on
end
it 'should display a deprecation warning' do
subject.should_receive(:warn).with("DEPRECATED: use `paper_trail_on!` instead of `paper_trail_on`. Support for `paper_trail_on` will be removed in PaperTrail 3.1")
subject.paper_trail_on
end
end
end
end
end