require "abstract_unit"
require "active_support/xml_mini"
require "active_support/builder"
require "active_support/core_ext/hash"
require "active_support/core_ext/big_decimal"
require "yaml"

module XmlMiniTest
  class RenameKeyTest < ActiveSupport::TestCase
    def test_rename_key_dasherizes_by_default
      assert_equal "my-key", ActiveSupport::XmlMini.rename_key("my_key")
    end

    def test_rename_key_dasherizes_with_dasherize_true
      assert_equal "my-key", ActiveSupport::XmlMini.rename_key("my_key", :dasherize => true)
    end

    def test_rename_key_does_nothing_with_dasherize_false
      assert_equal "my_key", ActiveSupport::XmlMini.rename_key("my_key", :dasherize => false)
    end

    def test_rename_key_camelizes_with_camelize_true
      assert_equal "MyKey", ActiveSupport::XmlMini.rename_key("my_key", :camelize => true)
    end

    def test_rename_key_lower_camelizes_with_camelize_lower
      assert_equal "myKey", ActiveSupport::XmlMini.rename_key("my_key", :camelize => :lower)
    end

    def test_rename_key_lower_camelizes_with_camelize_upper
      assert_equal "MyKey", ActiveSupport::XmlMini.rename_key("my_key", :camelize => :upper)
    end

    def test_rename_key_does_not_dasherize_leading_underscores
      assert_equal "_id", ActiveSupport::XmlMini.rename_key("_id")
    end

    def test_rename_key_with_leading_underscore_dasherizes_interior_underscores
      assert_equal "_my-key", ActiveSupport::XmlMini.rename_key("_my_key")
    end

    def test_rename_key_does_not_dasherize_trailing_underscores
      assert_equal "id_", ActiveSupport::XmlMini.rename_key("id_")
    end

    def test_rename_key_with_trailing_underscore_dasherizes_interior_underscores
      assert_equal "my-key_", ActiveSupport::XmlMini.rename_key("my_key_")
    end

    def test_rename_key_does_not_dasherize_multiple_leading_underscores
      assert_equal "__id", ActiveSupport::XmlMini.rename_key("__id")
    end

    def test_rename_key_does_not_dasherize_multiple_trailing_underscores
      assert_equal "id__", ActiveSupport::XmlMini.rename_key("id__")
    end
  end

  class ToTagTest < ActiveSupport::TestCase
    def assert_xml(xml)
      assert_equal xml, @options[:builder].target!
    end

    def setup
      @xml = ActiveSupport::XmlMini
      @options = {:skip_instruct => true, :builder => Builder::XmlMarkup.new}
    end

    test "#to_tag accepts a callable object and passes options with the builder" do
      @xml.to_tag(:some_tag, lambda {|o| o[:builder].br }, @options)
      assert_xml "<br/>"
    end

    test "#to_tag accepts a callable object and passes options and tag name" do
      @xml.to_tag(:tag, lambda {|o, t| o[:builder].b(t) }, @options)
      assert_xml "<b>tag</b>"
    end

    test "#to_tag accepts an object responding to #to_xml and passes the options, where :root is key" do
      obj = Object.new
      obj.instance_eval do
        def to_xml(options) options[:builder].yo(options[:root].to_s) end
      end

      @xml.to_tag(:tag, obj, @options)
      assert_xml "<yo>tag</yo>"
    end

    test "#to_tag accepts arbitrary objects responding to #to_str" do
      @xml.to_tag(:b, "Howdy", @options)
      assert_xml "<b>Howdy</b>"
    end

    test "#to_tag should use the type value in the options hash" do
      @xml.to_tag(:b, "blue", @options.merge(type: "color"))
      assert_xml( "<b type=\"color\">blue</b>" )
    end

    test "#to_tag accepts symbol types" do
      @xml.to_tag(:b, :name, @options)
      assert_xml( "<b type=\"symbol\">name</b>" )
    end

    test "#to_tag accepts boolean types" do
      @xml.to_tag(:b, true, @options)
      assert_xml( "<b type=\"boolean\">true</b>")
    end

    test "#to_tag accepts float types" do
      @xml.to_tag(:b, 3.14, @options)
      assert_xml( "<b type=\"float\">3.14</b>")
    end

    test "#to_tag accepts decimal types" do
      @xml.to_tag(:b, ::BigDecimal.new("1.2"), @options)
      assert_xml( "<b type=\"decimal\">1.2</b>")
    end

    test "#to_tag accepts date types" do
      @xml.to_tag(:b, Date.new(2001,2,3), @options)
      assert_xml( "<b type=\"date\">2001-02-03</b>")
    end

    test "#to_tag accepts datetime types" do
      @xml.to_tag(:b, DateTime.new(2001,2,3,4,5,6,"+7"), @options)
      assert_xml( "<b type=\"dateTime\">2001-02-03T04:05:06+07:00</b>")
    end

    test "#to_tag accepts time types" do
      @xml.to_tag(:b, Time.new(1993, 02, 24, 12, 0, 0, "+09:00"), @options)
      assert_xml( "<b type=\"dateTime\">1993-02-24T12:00:00+09:00</b>")
    end

    test "#to_tag accepts array types" do
      @xml.to_tag(:b, ["first_name", "last_name"], @options)
      assert_xml( "<b type=\"array\"><b>first_name</b><b>last_name</b></b>" )
    end

    test "#to_tag accepts hash types" do
      @xml.to_tag(:b, { first_name: "Bob", last_name: "Marley" }, @options)
      assert_xml( "<b><first-name>Bob</first-name><last-name>Marley</last-name></b>" )
    end

    test "#to_tag should not add type when skip types option is set" do
      @xml.to_tag(:b, "Bob", @options.merge(skip_types: 1))
      assert_xml( "<b>Bob</b>" )
    end

    test "#to_tag should dasherize the space when passed a string with spaces as a key" do
      @xml.to_tag("New   York", 33, @options)
      assert_xml "<New---York type=\"integer\">33</New---York>"
    end

    test "#to_tag should dasherize the space when passed a symbol with spaces as a key" do
      @xml.to_tag(:"New   York", 33, @options)
      assert_xml "<New---York type=\"integer\">33</New---York>"
    end
  end

  class WithBackendTest < ActiveSupport::TestCase
    module REXML end
    module LibXML end
    module Nokogiri end

    setup do
      @xml, @default_backend = ActiveSupport::XmlMini, ActiveSupport::XmlMini.backend
    end

    teardown do
      ActiveSupport::XmlMini.backend = @default_backend
    end

    test "#with_backend should switch backend and then switch back" do
      @xml.backend = REXML
      @xml.with_backend(LibXML) do
        assert_equal LibXML, @xml.backend
        @xml.with_backend(Nokogiri) do
          assert_equal Nokogiri, @xml.backend
        end
        assert_equal LibXML, @xml.backend
      end
      assert_equal REXML, @xml.backend
    end

    test "backend switch inside #with_backend block" do
      @xml.with_backend(LibXML) do
        @xml.backend = REXML
        assert_equal REXML, @xml.backend
      end
      assert_equal REXML, @xml.backend
    end
  end

  class ThreadSafetyTest < ActiveSupport::TestCase
    module REXML end
    module LibXML end

    setup do
      @xml, @default_backend = ActiveSupport::XmlMini, ActiveSupport::XmlMini.backend
    end

    teardown do
      ActiveSupport::XmlMini.backend = @default_backend
    end

    test "#with_backend should be thread-safe" do
      @xml.backend = REXML
      t = Thread.new do
        @xml.with_backend(LibXML) { sleep 1 }
      end
      sleep 0.1 while t.status != "sleep"

      # We should get `old_backend` here even while another
      # thread is using `new_backend`.
      assert_equal REXML, @xml.backend
    end

    test "nested #with_backend should be thread-safe" do
      @xml.with_backend(REXML) do
        t = Thread.new do
          @xml.with_backend(LibXML) { sleep 1 }
        end
        sleep 0.1 while t.status != "sleep"

        assert_equal REXML, @xml.backend
      end
    end
  end

  class ParsingTest < ActiveSupport::TestCase
    def setup
      @parsing = ActiveSupport::XmlMini::PARSING
    end

    def test_symbol
      parser = @parsing["symbol"]
      assert_equal :symbol, parser.call("symbol")
      assert_equal :symbol, parser.call(:symbol)
      assert_equal :'123', parser.call(123)
      assert_raises(ArgumentError) { parser.call(Date.new(2013,11,12,02,11)) }
    end

    def test_date
      parser = @parsing["date"]
      assert_equal Date.new(2013,11,12), parser.call("2013-11-12T0211Z")
      assert_raises(TypeError) { parser.call(1384190018) }
      assert_raises(ArgumentError) { parser.call("not really a date") }
    end

    def test_datetime
      parser = @parsing["datetime"]
      assert_equal Time.new(2013,11,12,02,11,00,0), parser.call("2013-11-12T02:11:00Z")
      assert_equal DateTime.new(2013,11,12), parser.call("2013-11-12T0211Z")
      assert_equal DateTime.new(2013,11,12,02,11), parser.call("2013-11-12T02:11Z")
      assert_equal DateTime.new(2013,11,12,02,11), parser.call("2013-11-12T11:11+9")
      assert_raises(ArgumentError) { parser.call("1384190018") }
    end

    def test_integer
      parser = @parsing["integer"]
      assert_equal 123, parser.call(123)
      assert_equal 123, parser.call(123.003)
      assert_equal 123, parser.call("123")
      assert_equal 0, parser.call("")
      assert_raises(ArgumentError) { parser.call(Date.new(2013,11,12,02,11)) }
    end

    def test_float
      parser = @parsing["float"]
      assert_equal 123, parser.call("123")
      assert_equal 123.003, parser.call("123.003")
      assert_equal 123.0, parser.call("123,003")
      assert_equal 0.0, parser.call("")
      assert_equal 123, parser.call(123)
      assert_equal 123.05, parser.call(123.05)
      assert_raises(ArgumentError) { parser.call(Date.new(2013,11,12,02,11)) }
    end

    def test_decimal
      parser = @parsing["decimal"]
      assert_equal 123, parser.call("123")
      assert_equal 123.003, parser.call("123.003")
      assert_equal 123.0, parser.call("123,003")
      assert_equal 0.0, parser.call("")
      assert_equal 123, parser.call(123)
      assert_raises(ArgumentError) { parser.call(123.04) }
      assert_raises(ArgumentError) { parser.call(Date.new(2013,11,12,02,11)) }
    end

    def test_boolean
      parser = @parsing["boolean"]
      [1, true, "1"].each do |value|
        assert parser.call(value)
      end

      [0, false, "0"].each do |value|
        assert_not parser.call(value)
      end
    end

    def test_string
      parser = @parsing["string"]
      assert_equal "123", parser.call(123)
      assert_equal "123", parser.call("123")
      assert_equal "[]", parser.call("[]")
      assert_equal "[]", parser.call([])
      assert_equal "{}", parser.call({})
      assert_raises(ArgumentError) { parser.call(Date.new(2013,11,12,02,11)) }
    end

    def test_yaml
      yaml = <<YAML
product:
  - sku         : BL394D
    quantity    : 4
    description : Basketball
YAML
      expected = {
        "product"=> [
          {"sku"=>"BL394D", "quantity"=>4, "description"=>"Basketball"}
        ]
      }
      parser = @parsing["yaml"]
      assert_equal(expected, parser.call(yaml))
      assert_equal({1 => "test"}, parser.call({1 => "test"}))
      assert_equal({"1 => 'test'"=>nil}, parser.call("{1 => 'test'}"))
    end

    def test_base64Binary_and_binary
      base64 = <<BASE64
TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz
IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg
dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu
dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo
ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=
BASE64
      expected_base64 = <<EXPECTED
Man is distinguished, not only by his reason, but by this singular passion from
other animals, which is a lust of the mind, that by a perseverance of delight
in the continued and indefatigable generation of knowledge, exceeds the short
vehemence of any carnal pleasure.
EXPECTED

      parser = @parsing["base64Binary"]
      assert_equal expected_base64.gsub(/\n/," ").strip, parser.call(base64)
      parser.call("NON BASE64 INPUT")

      parser = @parsing["binary"]
      assert_equal expected_base64.gsub(/\n/," ").strip, parser.call(base64, "encoding" => "base64")
      assert_equal "IGNORED INPUT", parser.call("IGNORED INPUT", {})
    end
  end
end