require "spec_helper"
require "parallel_tests/rspec/runner"

describe ParallelTests::RSpec::Runner do
  test_tests_in_groups(ParallelTests::RSpec::Runner, 'spec', '_spec.rb')

  describe :run_tests do
    before do
      File.stub!(:file?).with('script/spec').and_return false
      File.stub!(:file?).with('spec/spec.opts').and_return false
      File.stub!(:file?).with('spec/parallel_spec.opts').and_return false
      File.stub!(:file?).with('.rspec_parallel').and_return false
      ParallelTests.stub!(:bundler_enabled?).and_return false
    end

    def call(*args)
      ParallelTests::RSpec::Runner.run_tests(*args)
    end

    it "uses TEST_ENV_NUMBER=blank when called for process 0" do
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y|x=~/TEST_ENV_NUMBER= /}.and_return mocked_process
      call(['xxx'], 0, 22, {})
    end

    it "uses TEST_ENV_NUMBER=2 when called for process 1" do
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x=~/TEST_ENV_NUMBER=2/}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it 'sets PARALLEL_TEST_GROUPS so child processes know that they are being run under parallel_tests' do
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x=~/PARALLEL_TEST_GROUPS=22/}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "allows to override runner executable via PARALLEL_TESTS_EXECUTABLE" do
      ENV['PARALLEL_TESTS_EXECUTABLE'] = 'script/custom_rspec'
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x=~/script\/custom_rspec/}.and_return mocked_process
      call(['xxx'],1,22,{})
      ENV.delete('PARALLEL_TESTS_EXECUTABLE')
    end

    it "runs with color when called from cmdline" do
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x=~/ --tty /}.and_return mocked_process
      $stdout.should_receive(:tty?).and_return true
      call(['xxx'],1,22,{})
    end

    it "runs without color when not called from cmdline" do
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x !~ / --tty /}.and_return mocked_process
      $stdout.should_receive(:tty?).and_return false
      call(['xxx'],1,22,{})
    end

    it "runs with color for rspec 1 when called for the cmdline" do
      File.should_receive(:file?).with('script/spec').and_return true
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x=~/ RSPEC_COLOR=1 /}.and_return mocked_process
      $stdout.should_receive(:tty?).and_return true
      call(['xxx'],1,22,{})
    end

    it "runs without color for rspec 1 when not called for the cmdline" do
      File.should_receive(:file?).with('script/spec').and_return true
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x !~ / RSPEC_COLOR=1 /}.and_return mocked_process
      $stdout.should_receive(:tty?).and_return false
      call(['xxx'],1,22,{})
    end

    it "run bundle exec spec when on bundler rspec 1" do
      File.stub!(:file?).with('script/spec').and_return false
      ParallelTests.stub!(:bundler_enabled?).and_return true
      ParallelTests::RSpec::Runner.stub!(:run).with("bundle show rspec-core").and_return "Could not find gem 'rspec-core' in bundler."
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{bundle exec spec}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "run bundle exec rspec when on bundler rspec 2" do
      File.stub!(:file?).with('script/spec').and_return false
      ParallelTests.stub!(:bundler_enabled?).and_return true
      ParallelTests::RSpec::Runner.stub!(:run).with("bundle show rspec-core").and_return "/foo/bar/rspec-core-2.0.2"
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{bundle exec rspec}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "runs script/spec when script/spec can be found" do
      File.should_receive(:file?).with('script/spec').and_return true
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{script/spec}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "runs spec when script/spec cannot be found" do
      File.stub!(:file?).with('script/spec').and_return false
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x !~ %r{script/spec}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses no -O when no opts where found" do
      File.stub!(:file?).with('spec/spec.opts').and_return false
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x !~ %r{spec/spec.opts}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses -O spec/spec.opts when found (with script/spec)" do
      File.stub!(:file?).with('script/spec').and_return true
      File.stub!(:file?).with('spec/spec.opts').and_return true
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{script/spec\s+ -O spec/spec.opts}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses -O spec/parallel_spec.opts when found (with script/spec)" do
      File.stub!(:file?).with('script/spec').and_return true
      File.should_receive(:file?).with('spec/parallel_spec.opts').and_return true
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{script/spec\s+ -O spec/parallel_spec.opts}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses -O .rspec_parallel when found (with script/spec)" do
      File.stub!(:file?).with('script/spec').and_return true
      File.should_receive(:file?).with('.rspec_parallel').and_return true
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{script/spec\s+ -O .rspec_parallel}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses -O spec/parallel_spec.opts with rspec1" do
      File.should_receive(:file?).with('spec/parallel_spec.opts').and_return true

      ParallelTests.stub!(:bundler_enabled?).and_return true
      ParallelTests::RSpec::Runner.stub!(:run).with("bundle show rspec-core").and_return "Could not find gem 'rspec-core'."

      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{spec\s+ -O spec/parallel_spec.opts}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses -O spec/parallel_spec.opts with rspec2" do
      File.should_receive(:file?).with('spec/parallel_spec.opts').and_return true

      ParallelTests.stub!(:bundler_enabled?).and_return true
      ParallelTests::RSpec::Runner.stub!(:run).with("bundle show rspec-core").and_return "/foo/bar/rspec-core-2.4.2"

      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{rspec\s+ --color --tty -O spec/parallel_spec.opts}}.and_return mocked_process
      call(['xxx'],1,22,{})
    end

    it "uses options passed in" do
      ParallelTests::RSpec::Runner.should_receive(:open).with{|x,y| x =~ %r{rspec -f n}}.and_return mocked_process
      call(['xxx'],1,22, :test_options => '-f n')
    end

    it "returns the output" do
      io = open('spec/spec_helper.rb')
      $stdout.stub!(:print)
      ParallelTests::RSpec::Runner.should_receive(:open).and_return io
      call(['xxx'],1,22,{})[:stdout].should =~ /\$LOAD_PATH << File/
    end
  end

  describe :find_results do
    def call(*args)
      ParallelTests::RSpec::Runner.find_results(*args)
    end

    it "finds multiple results in spec output" do
      output = "
....F...
..
failute fsddsfsd
...
ff.**..
0 examples, 0 failures, 0 pending
ff.**..
1 example, 1 failure, 1 pending
"

      call(output).should == ['0 examples, 0 failures, 0 pending','1 example, 1 failure, 1 pending']
    end

    it "is robust against scrambeled output" do
      output = "
....F...
..
failute fsddsfsd
...
ff.**..
0 exFampl*es, 0 failures, 0 pend.ing
ff.**..
1 exampF.les, 1 failures, 1 pend.ing
"

      call(output).should == ['0 examples, 0 failures, 0 pending','1 examples, 1 failures, 1 pending']
    end
  end
end