require_relative "test_helper"
require "csv"

class XlsxReaderTest
  describe IOStreams::Xlsx::Reader do
    let :file_name do
      File.join(File.dirname(__FILE__), "files", "spreadsheet.xlsx")
    end

    let :xlsx_contents do
      [
        ["first column", "second column", "third column"],
        ["data 1", "data 2", "more data"]
      ]
    end

    describe ".file" do
      describe "with a file path" do
        it "returns the contents of the file" do
          csv = IOStreams::Xlsx::Reader.file(file_name, &:read)
          assert_equal xlsx_contents, CSV.parse(csv)
        end
      end

      describe "with a file stream" do
        it "returns the contents of the file" do
          csv = ""
          File.open(file_name, "rb") do |file|
            csv = IOStreams::Xlsx::Reader.stream(file, &:read)
          end

          assert_equal xlsx_contents, CSV.parse(csv)
        end
      end
    end
  end
end