# frozen_string_literal: true
require "spec_helper"
require "parallel_tests/rspec/runner"

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

  describe '.run_tests' do
    before do
      allow(File).to receive(:file?).with('spec/spec.opts').and_return false
      allow(File).to receive(:file?).with('spec/parallel_spec.opts').and_return false
      allow(File).to receive(:file?).with('.rspec_parallel').and_return false
      allow(ParallelTests).to receive(:bundler_enabled?).and_return false
    end

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

    it "runs command using nice when specified" do
      ParallelTests.with_pid_file do
        expect(ParallelTests::Test::Runner).to receive(:execute_command_and_capture_output) do |_a, b, _c|
          expect(b.first(2)).to eq(["nice", "rspec"])
        end

        call('xxx', 1, 22, nice: true)
      end
    end

    it "runs with color when called from cmdline" do
      should_run_with ["rspec"], "--tty"
      expect($stdout).to receive(:tty?).and_return true
      call('xxx', 1, 22, {})
    end

    it "runs without color when not called from cmdline" do
      should_not_run_with('--tty')
      expect($stdout).to receive(:tty?).and_return false
      call('xxx', 1, 22, {})
    end

    it "uses bin/rspec when present" do
      allow(File).to receive(:exist?).with('bin/rspec').and_return true
      should_run_with ParallelTests.with_ruby_binary("bin/rspec")
      call('xxx', 1, 22, {})
    end

    it "uses no -O when no opts where found" do
      allow(File).to receive(:file?).with('spec/spec.opts').and_return false
      should_not_run_with 'spec/spec.opts'
      call('xxx', 1, 22, {})
    end

    it "uses -O spec/parallel_spec.opts with rspec2" do
      skip if RUBY_PLATFORM == "java" # FIXME: not sure why, but fails on travis
      expect(File).to receive(:file?).with('spec/parallel_spec.opts').and_return true

      allow(ParallelTests).to receive(:bundler_enabled?).and_return true

      should_run_with ["bundle", "exec", "rspec"], "-O", "spec/parallel_spec.opts", "xxx"
      call('xxx', 1, 22, {})
    end

    it "uses options passed in" do
      should_run_with ["rspec"], "-f", "n"
      call('xxx', 1, 22, test_options: ['-f', 'n'])
    end

    it "returns the output" do
      expect(ParallelTests::RSpec::Runner).to receive(:execute_command).and_return x: 1
      expect(call('xxx', 1, 22, {})).to eq({ x: 1 })
    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 = <<-OUT.gsub(/^        /, '')
        ....F...
        ..
        failute fsddsfsd
        ...
        ff.**..
        0 examples, 0 failures, 0 pending
        ff.**..
        1 example, 1 failure, 1 pending
      OUT

      expect(call(output)).to eq(['0 examples, 0 failures, 0 pending', '1 example, 1 failure, 1 pending'])
    end

    it "does not mistakenly count 'pending' failures as real failures" do
      output = <<-OUT.gsub(/^        /, '')
        .....
        Pending: (Failures listed here are expected and do not affect your suite's status)

        1) Foo
           Got 1 failure and 1 other error:

           1.1) Failure/Error:
                  Bar
                  Baz

           1.2) Failure/Error:
                  Bar
                  Baz
        1 examples, 0 failures, 1 pending
      OUT

      expect(call(output)).to eq(['1 examples, 0 failures, 1 pending'])
    end
  end

  describe ".find_tests" do
    def call(*args)
      ParallelTests::RSpec::Runner.send(:find_tests, *args)
    end

    it "doesn't find backup files with the same name as test files" do
      with_files(['a/x_spec.rb', 'a/x_spec.rb.bak']) do |root|
        expect(call(["#{root}/"])).to eq(["#{root}/a/x_spec.rb"])
      end
    end
  end

  describe '.summarize_results' do
    context 'not on TTY device' do
      before { allow($stdout).to receive(:tty?).and_return false }

      it 'is not colourized' do
        results = ParallelTests::RSpec::Runner.send(:summarize_results, ['1 example, 0 failures, 0 pendings'])

        expect(results).to eq('1 example, 0 failures, 0 pendings')
      end
    end

    context 'on TTY device' do
      before { allow($stdout).to receive(:tty?).and_return true }

      subject(:colorized_results) { ParallelTests::RSpec::Runner.send(:summarize_results, [result_string]) }

      context 'when there are no pending or failed tests' do
        let(:result_string) { '1 example, 0 failures, 0 pendings' }

        it 'is green' do
          expect(colorized_results).to eq("\e[32m#{result_string}\e[0m") # 32 is green
        end
      end

      context 'when there is a pending test and no failed tests' do
        let(:result_string) { '1 example, 0 failures, 1 pending' }

        it 'is yellow' do
          expect(colorized_results).to eq("\e[33m#{result_string}\e[0m") # 33 is yellow
        end
      end

      context 'when there is a pending test and a failed test' do
        let(:result_string) { '1 example, 1 failure, 1 pending' }

        it 'is red' do
          expect(colorized_results).to eq("\e[31m#{result_string}\e[0m") # 31 is red
        end
      end

      context 'when there is no pending tests and a failed test' do
        let(:result_string) { '1 example, 1 failure, 0 pendings' }

        it 'is red' do
          expect(colorized_results).to eq("\e[31m#{result_string}\e[0m") # 31 is red
        end
      end
    end
  end

  describe ".command_with_seed" do
    def call(*args)
      base = ["ruby", "-Ilib:test", "test/minitest/test_minitest_unit.rb"]
      result = ParallelTests::RSpec::Runner.command_with_seed([*base, *args], "555")
      result[base.length..]
    end

    it "adds the randomized seed" do
      expect(call).to eq(["--seed", "555"])
    end

    it "does not duplicate seed" do
      expect(call("--seed", "123")).to eq(["--seed", "555"])
    end

    it "does not duplicate strange seeds" do
      expect(call("--seed", "123asdasd")).to eq(["--seed", "555"])
    end

    it "does not match non seeds" do
      expect(call("--seedling", "123")).to eq(["--seedling", "123", "--seed", "555"])
    end

    it "does not duplicate random" do
      expect(call("--order", "random")).to eq(["--seed", "555"])
    end

    it "does not duplicate rand" do
      expect(call("--order", "rand")).to eq(["--seed", "555"])
    end

    it "does not duplicate rand with seed" do
      expect(call("--order", "rand:123")).to eq(["--seed", "555"])
    end

    it "does not duplicate random with seed" do
      expect(call("--order", "random:123")).to eq(["--seed", "555"])
    end
  end
end