require 'spec_helper'

RSpec.describe Pluginscan::FileFinder, type: :file do
  describe ".count" do
    it "returns 0 when there are no files" do
      setup_tempdir('tmp')

      finder = Pluginscan::FileFinder.new('tmp')
      expect(finder.count).to eq 0
    end

    it "returns 0 when there are only directories" do
      setup_tempdir('tmp')
      add_directory('tmp', 'foo')

      finder = Pluginscan::FileFinder.new('tmp')
      expect(finder.count).to eq 0
    end

    it "returns 3 when there are 3 files" do
      setup_tempdir('tmp')
      add_php_file('tmp')

      add_directory('tmp', 'foo')
      add_non_php_file('tmp/foo')

      add_directory('tmp', 'foo/bar')
      add_php_file('tmp/foo/bar')

      finder = Pluginscan::FileFinder.new('tmp')
      expect(finder.count).to eq 3
    end

    it "caches the value" do
      setup_tempdir('tmp')
      add_php_file('tmp')

      finder = Pluginscan::FileFinder.new('tmp')
      finder.count

      setup_tempdir('tmp')

      # We removed the file, but the result should stay the same:
      expect(finder.count).to eq 1
    end
  end

  describe ".php_files" do
    it "returns [] when there are no files" do
      setup_tempdir('tmp')

      finder = Pluginscan::FileFinder.new('tmp')
      expect(finder.php_files).to eq []
    end

    it "returns [] when there are only directories" do
      setup_tempdir('tmp')
      add_directory('tmp', 'foo')

      finder = Pluginscan::FileFinder.new('tmp')
      expect(finder.php_files).to eq []
    end

    it "returns two filenames when there are 2 php files" do
      setup_tempdir('tmp')
      php_file_name1 = add_php_file('tmp')

      add_directory('tmp', 'foo')
      add_non_php_file('tmp/foo')

      add_directory('tmp', 'foo/bar')
      php_file_name2 = add_php_file('tmp/foo/bar')

      finder = Pluginscan::FileFinder.new('tmp')
      expect(finder.php_files).to eq [php_file_name1, php_file_name2]
    end

    it "caches the result" do
      setup_tempdir('tmp')
      php_file_name = add_php_file('tmp')

      finder = Pluginscan::FileFinder.new('tmp')
      finder.php_files

      setup_tempdir('tmp')

      # We removed the file, but the result should stay the same:
      expect(finder.php_files).to eq [php_file_name]
    end
  end
end