# encoding: UTF-8

require "test_helper"

class BlockquoteExtraQuoteRemoverTest < Minitest::Test
  def assert_remover_transforms(options)
    from = options.keys.first
    to = options.values.first
    assert_equal to, Govspeak::BlockquoteExtraQuoteRemover.remove(from)
  end

  def assert_leaves_untouched(candidate)
    assert_remover_transforms candidate => candidate
  end

  test "ignores nil" do
    assert_leaves_untouched nil
  end

  test "ignores text without double quotes" do
    assert_leaves_untouched %{no quotes\na few lines,\n\n\n\nbut no quotes\n\n}
  end

  test "ignores text without a quote symbol" do
    assert_leaves_untouched %{quotes\n"but not with a > symbol"}
  end

  test "transforms text with surrounding quotes" do
    assert_remover_transforms(
      %{He said:\n> "yes, it's true!"\n\napparently.} =>
      %{He said:\n> yes, it's true!\n\napparently.},
    )
  end

  test "leaves quotes in the middle of the string" do
    assert_remover_transforms(
      %{He said:\n> "yes, it's true!" whilst sipping a cocktail. "And yes, I did rather enjoy it." \n\napparently.} =>
      %{He said:\n> yes, it's true!" whilst sipping a cocktail. "And yes, I did rather enjoy it.\n\napparently.},
    )
  end

  test "leaves trailing text and quote intact" do
    assert_remover_transforms(
      %{He said:\n> "yes, it's true!" whilst sipping a cocktail.} =>
      %{He said:\n> yes, it's true!" whilst sipping a cocktail.},
    )
  end

  test "windows line breaks" do
    assert_remover_transforms(
      %{Sir George Young MP, said\r\n>  "I welcome the positive public response to the e-petitions site, which is important way of building a bridge between people and Parliament.”\r\n## The special relationship} =>
      %{Sir George Young MP, said\r\n> I welcome the positive public response to the e-petitions site, which is important way of building a bridge between people and Parliament.\r\n## The special relationship},
    )
  end

  test "no space in front" do
    assert_remover_transforms(
      %{>"As we continue with the redundancy process we will ensure we retain the capabilities that our armed forces will require to meet the challenges of the future. The redundancy programme will not impact adversely on the current operations in Afghanistan, where our armed forces continue to fight so bravely on this country's behalf."} =>
      %{> As we continue with the redundancy process we will ensure we retain the capabilities that our armed forces will require to meet the challenges of the future. The redundancy programme will not impact adversely on the current operations in Afghanistan, where our armed forces continue to fight so bravely on this country's behalf.},
    )
  end

  test "handles space after a quote" do
    assert_remover_transforms(
      %{>" Test"} =>
      %{> Test},
    )
  end

  test "remove double double quotes" do
    assert_remover_transforms(
      %{We heard it said:\n\n> ""Today the coalition is remedying those deficiencies by putting in place a new fast track process where the people's elected representatives have responsibility for the final decisions about Britain's future instead of unelected commissioners.""} =>
      %{We heard it said:\n\n> Today the coalition is remedying those deficiencies by putting in place a new fast track process where the people's elected representatives have responsibility for the final decisions about Britain's future instead of unelected commissioners.},
    )
    assert_remover_transforms(
      %{> ""Today the coalition is remedying those deficiencies by putting in place a new fast track process where the people's elected representatives have responsibility for the final decisions about Britain's future instead of unelected commissioners.} =>
      %{> Today the coalition is remedying those deficiencies by putting in place a new fast track process where the people's elected representatives have responsibility for the final decisions about Britain's future instead of unelected commissioners.},
    )
  end

  test "removes quotes correctly from multi-line blockquotes" do
    assert_remover_transforms(
      %{> "Here is a block quote using 2 lines and two of the arrows.\n> I am not sure how this will render.  I think it will mash them together."} =>
      %{> Here is a block quote using 2 lines and two of the arrows.\n> I am not sure how this will render.  I think it will mash them together.},
    )
  end

  test "preserves multiline blockquotes with plain newlines quotes" do
    assert_remover_transforms(
      %{> "line 1\n> \n> "line 2\n> \n> "line 3"} =>
      %{> line 1\n> \n> line 2\n> \n> line 3},
      )
  end

  test "preserve newlines when there's a blockquote with additional text after" do
    assert_leaves_untouched(%{> \n> blah})
  end
end