guard-rails/spec/lib/guard/rails/runner_spec.rb

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require 'spec_helper'
require 'guard/rails/runner'
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require 'fakefs/spec_helpers'
describe Guard::RailsRunner do
let(:runner) { Guard::RailsRunner.new(options) }
let(:environment) { 'development' }
let(:port) { 3000 }
let(:default_options) { { :environment => environment, :port => port } }
let(:options) { default_options }
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describe '#pid' do
include FakeFS::SpecHelpers
context 'pid file exists' do
let(:pid) { 12345 }
before do
File.open(runner.pid_file, 'w') { |fh| fh.print pid }
end
it "should read the pid" do
runner.pid.should == pid
end
end
context 'pid file does not exist' do
it "should return nil" do
runner.pid.should be_nil
end
end
end
describe '#build_rails_command' do
context 'no daemon' do
it "should not have a daemon switch" do
runner.build_rails_command.should_not match(%r{ -d})
end
end
context 'daemon' do
let(:options) { default_options.merge(:daemon => true) }
it "should have a daemon switch" do
runner.build_rails_command.should match(%r{ -d})
end
end
context 'custom server' do
let(:options) { default_options.merge(:server => 'thin') }
it "should have the server name" do
runner.build_rails_command.should match(%r{thin})
end
end
end
describe '#start' do
let(:kill_expectation) { runner.expects(:kill_unmanaged_pid!) }
let(:pid_stub) { runner.stubs(:has_pid?) }
before do
runner.expects(:run_rails_command!).once
end
context 'do not force run' do
before do
pid_stub.returns(true)
kill_expectation.never
runner.expects(:wait_for_pid_action).never
end
it "should act properly" do
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runner.start.should be_true
end
end
context 'force run' do
let(:options) { default_options.merge(:force_run => true) }
before do
pid_stub.returns(true)
kill_expectation.once
runner.expects(:wait_for_pid_action).never
end
it "should act properly" do
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runner.start.should be_true
end
end
context "don't write the pid" do
before do
pid_stub.returns(false)
kill_expectation.never
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runner.expects(:wait_for_pid_action).times(Guard::RailsRunner::MAX_WAIT_COUNT)
end
it "should act properly" do
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runner.start.should be_false
end
end
end
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describe '#sleep_time' do
let(:timeout) { 30 }
let(:options) { default_options.merge(:timeout => timeout) }
it "should adjust the sleep time as necessary" do
runner.sleep_time.should == (timeout.to_f / Guard::RailsRunner::MAX_WAIT_COUNT.to_f)
end
end
end