# coding: utf-8

RSpec.describe HTTP::FormData::File do
  let(:opts) { nil }

  describe "#size" do
    subject { described_class.new(file, opts).size }

    context "when file given as a String" do
      let(:file) { fixture("the-http-gem.info").to_s }
      it { is_expected.to eq fixture("the-http-gem.info").size }
    end

    context "when file given as StringIO" do
      let(:file) { StringIO.new "привет мир!" }
      it { is_expected.to eq 20 }
    end

    context "when file given as File" do
      let(:file) { fixture("the-http-gem.info").open }
      after { file.close }
      it { is_expected.to eq fixture("the-http-gem.info").size }
    end
  end

  describe "#to_s" do
    subject { described_class.new(file, opts).to_s }

    context "when file given as a String" do
      let(:file) { fixture("the-http-gem.info").to_s }
      it { is_expected.to eq fixture("the-http-gem.info").read }
    end

    context "when file given as StringIO" do
      let(:file) { StringIO.new "привет мир!" }
      it { is_expected.to eq "привет мир!" }
    end

    context "when file given as File" do
      let(:file) { fixture("the-http-gem.info").open }
      after { file.close }
      it { is_expected.to eq fixture("the-http-gem.info").read }
    end
  end

  describe "#filename" do
    subject { described_class.new(file, opts).filename }

    context "when file given as a String" do
      let(:file) { fixture("the-http-gem.info").to_s }

      it { is_expected.to eq ::File.basename file }

      context "and filename given with options" do
        let(:opts) { { :filename => "foobar.txt" } }
        it { is_expected.to eq "foobar.txt" }
      end
    end

    context "when file given as StringIO" do
      let(:file) { StringIO.new }

      it { is_expected.to eq "stream-#{file.object_id}" }

      context "and filename given with options" do
        let(:opts) { { :filename => "foobar.txt" } }
        it { is_expected.to eq "foobar.txt" }
      end
    end

    context "when file given as File" do
      let(:file) { fixture("the-http-gem.info").open }
      after { file.close }

      it { is_expected.to eq "the-http-gem.info" }

      context "and filename given with options" do
        let(:opts) { { :filename => "foobar.txt" } }
        it { is_expected.to eq "foobar.txt" }
      end
    end
  end

  describe "#mime_type" do
    subject { described_class.new(StringIO.new, opts).mime_type }

    it { is_expected.to eq "application/octet-stream" }

    context "when it was given with options" do
      let(:opts) { { :mime_type => "application/json" } }
      it { is_expected.to eq "application/json" }
    end
  end
end