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change_spec.rb
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change_spec.rb
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require 'spec_helper'
describe Differ::Change do
before(:each) do
@format = Module.new { def self.format(c); end }
Differ.format = @format
end
describe '(empty)' do
before(:each) do
@change = Differ::Change.new()
end
it 'should have a default insert' do
@change.insert.should == ''
end
it 'should have a default delete' do
@change.delete.should == ''
end
it 'should stringify to ""' do
@format.should_receive(:format).once.and_return('')
@change.to_s.should == ''
end
end
describe '(insert only)' do
before(:each) do
@change = Differ::Change.new(:insert => 'foo')
end
it 'should populate the :insert parameter' do
@change.insert.should == 'foo'
end
it 'should have a default delete' do
@change.delete.should == ''
end
it { (@change).should be_an_insert }
end
describe '(delete only)' do
before(:each) do
@change = Differ::Change.new(:delete => 'bar')
end
it 'should have a default :insert' do
@change.insert.should == ''
end
it 'should populate the :delete parameter' do
@change.delete.should == 'bar'
end
it { (@change).should be_a_delete }
end
describe '(both insert and delete)' do
before(:each) do
@change = Differ::Change.new(:insert => 'foo', :delete => 'bar')
end
it 'should populate the :insert parameter' do
@change.insert.should == 'foo'
end
it 'should populate the :delete parameter' do
@change.delete.should == 'bar'
end
it { (@change).should be_an_insert }
it { (@change).should be_a_delete }
it { (@change).should be_a_change }
end
it "should stringify via the current format's #format method" do
@format.should_receive(:format).once
Differ::Change.new.to_s
end
end