brew/Library/Homebrew/cask/spec/plist/parser_spec.rb

require "spec_helper"

describe Plist do
  subject { described_class.parse_xml(input) }

  describe "::parse_xml" do
    context "given a hdiutil output as input" do
      let(:input) {
        <<-EOS.undent
          <?xml version="1.0" encoding="UTF-8"?>
          <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
          <plist version="1.0">
          <dict>
            <key>system-entities</key>
            <array>
              <dict>
                <key>content-hint</key>
                <string>Apple_partition_map</string>
                <key>dev-entry</key>
                <string>/dev/disk3s1</string>
                <key>potentially-mountable</key>
                <false/>
                <key>unmapped-content-hint</key>
                <string>Apple_partition_map</string>
              </dict>
              <dict>
                <key>content-hint</key>
                <string>Apple_partition_scheme</string>
                <key>dev-entry</key>
                <string>/dev/disk3</string>
                <key>potentially-mountable</key>
                <false/>
                <key>unmapped-content-hint</key>
                <string>Apple_partition_scheme</string>
              </dict>
              <dict>
                <key>content-hint</key>
                <string>Apple_HFS</string>
                <key>dev-entry</key>
                <string>/dev/disk3s2</string>
                <key>mount-point</key>
                <string>/private/tmp/dmg.BhfS2g</string>
                <key>potentially-mountable</key>
                <true/>
                <key>unmapped-content-hint</key>
                <string>Apple_HFS</string>
                <key>volume-kind</key>
                <string>hfs</string>
              </dict>
            </array>
          </dict>
          </plist>
        EOS
      }

      it "successfully parses it" do
        expect(subject.keys).to eq(["system-entities"])
        expect(subject["system-entities"].length).to eq(3)
        expect(subject["system-entities"].map { |e| e["dev-entry"] }).to eq(
          %w[
            /dev/disk3s1
            /dev/disk3
            /dev/disk3s2
          ],
        )
      end
    end

    context "given an empty input" do
      let(:input) { "" }

      it { is_expected.to be_nil }
    end
  end
end