Contents

require 'spec_helper'

describe Mongo::Lock do

  describe '.available?' do

    it "creates a new Mongo::Lock instance and returns whether it is available" do
      expect(Mongo::Lock.available? 'my_lock').to be_true
    end

    it "calls #available?" do
      expect_any_instance_of(Mongo::Lock).to receive(:available?)
      Mongo::Lock.available? 'my_lock'
    end

    context "when options are provided" do

      it "passes them to the new lock" do
        Mongo::Lock.acquire 'my_lock', { owner: 'spence' }
        expect(Mongo::Lock.available?('my_lock', { owner: 'spence' })).to be_true
      end

    end

  end

  describe '#available?' do

    let(:lock) { Mongo::Lock.new 'my_lock', owner: 'spence', timeout_in: 0.01, frequency: 0.01 }

    context "when the lock is available" do

      it "returns true" do
        expect(lock.available?).to be_true
      end

    end

    context "when the lock is expired" do

      it "returns true" do
        my_collection.insert key: 'my_lock', owner: 'tobie', expires_at: 1.minute.ago
        expect(lock.available?).to be_true
      end

    end

    context "when the lock is already acquired but by this owner" do

      it "returns true" do
        my_collection.insert key: 'my_lock', owner: 'spence', expires_at: 1.minute.from_now
        expect(lock.available?).to be_true
      end

    end

    context "when the lock is already acquired" do

      it "returns false" do
        my_collection.insert key: 'my_lock', owner: 'tobie', expires_at: 1.minute.from_now
        expect(lock.available?).to be_false
      end

    end

  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
mongo-lock-1.1.4	spec/available_spec.rb
mongo-lock-1.1.3	spec/available_spec.rb
mongo-lock-1.1.1	spec/available_spec.rb