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listen_spec.rb
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listen_spec.rb
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require 'spec_helper'
describe Listen do
describe '#to' do
context 'with one path to listen to' do
let(:listener) { mock(Listen::Listener) }
let(:listener_class) { Listen::Listener }
before { listener_class.stub(:new => listener) }
context 'without options' do
it 'creates an instance of Listner' do
listener_class.should_receive(:new).with('/path')
described_class.to('/path')
end
end
context 'with options' do
it 'creates an instance of Listner with the passed params' do
listener_class.should_receive(:new).with('/path', :filter => '**/*')
described_class.to('/path', :filter => '**/*')
end
end
context 'without a block' do
it 'returns the listener' do
described_class.to('/path', :filter => '**/*').should eq listener
end
end
context 'with a block' do
it 'starts the listner after creating it' do
listener.should_receive(:start)
described_class.to('/path', :filter => '**/*') { |modified, added, removed| }
end
end
end
context 'with multiple paths to listen to' do
let(:multi_listener) { mock(Listen::MultiListener) }
let(:multi_listener_class) { Listen::MultiListener }
before { multi_listener_class.stub(:new => multi_listener) }
context 'without options' do
it 'creates an instance of MultiListner' do
multi_listener_class.should_receive(:new).with('path1', 'path2')
described_class.to('path1', 'path2')
end
end
context 'with options' do
it 'creates an instance of MultiListner with the passed params' do
multi_listener_class.should_receive(:new).with('path1', 'path2', :filter => '**/*')
described_class.to('path1', 'path2', :filter => '**/*')
end
end
context 'without a block' do
it 'returns a MultiListener instance created with the passed params' do
described_class.to('path1', 'path2', :filter => '**/*').should eq multi_listener
end
end
context 'with a block' do
it 'starts a MultiListener instance after creating it with the passed params' do
multi_listener.should_receive(:start)
described_class.to('path1', 'path2', :filter => '**/*') { |modified, added, removed| }
end
end
end
end
end