require_relative "../lib/hmote"

scope do
  test "empty lines" do
    example = Mote.parse("\n\n \n")
    assert_equal "\n\n \n", example.call
  end

  test "empty lines with mixed code" do
    example = Mote.parse("\n% true\n\n% false\n\n")
    assert_equal "\n\n\n", example.call
  end

  test "empty lines with control flow" do
    example = Mote.parse("\n% if true\n\n\n% else\n\n% end\n")
    assert_equal "\n\n\n", example.call
  end

  test "control flow without final newline" do
    example = Mote.parse("\n% if true\n\n\n% else\n\n% end")
    assert_equal "\n\n\n", example.call
  end

  test "assignment" do
    example = Mote.parse("{{ \"***\" }}")
    assert_equal "***", example.call
  end

  test "comment" do
    template = (<<-EOT).gsub(/ {4}/, "")
    *
    % # "*"
    *
    EOT

    example = Mote.parse(template)
    assert_equal "*\n*\n", example.call.squeeze("\n")
  end

  test "control flow" do
    template = (<<-EOT).gsub(/ {4}/, "")
    % if false
      *
    % else
      ***
    % end
    EOT

    example = Mote.parse(template)
    assert_equal "  ***\n", example.call
  end

  test "block evaluation" do
    template = (<<-EOT).gsub(/ {4}/, "")
    % 3.times {
    *
    % }
    EOT

    example = Mote.parse(template)
    assert_equal "*\n*\n*\n", example.call
  end

  test "parameters" do
    template = (<<-EOT).gsub(/ {4}/, "")
    % params[:n].times {
    *
    % }
    EOT

    example = Mote.parse(template)
    assert_equal "*\n*\n*\n", example[:n => 3]
    assert_equal "*\n*\n*\n*\n", example[:n => 4]
  end

  test "multiline" do
    example = Mote.parse("The\nMan\nAnd\n{{\"The\"}}\nSea")
    assert_equal "The\nMan\nAnd\nThe\nSea", example[:n => 3]
  end

  test "quotes" do
    example = Mote.parse("'foo' 'bar' 'baz'")
    assert_equal "'foo' 'bar' 'baz'", example.call
  end

  test "context" do
    context = Object.new
    def context.user; "Bruno"; end

    example = Mote.parse("{{ context.user }}", context, [:context])
    assert_equal "Bruno", example.call(context: context)
  end

  test "locals" do
    example = Mote.parse("{{ user }}", TOPLEVEL_BINDING, [:user])
    assert_equal "Bruno", example.call(user: "Bruno")
  end

  test "nil" do
    example = Mote.parse("{{ params[:user] }}", TOPLEVEL_BINDING, [:user])
    assert_equal "", example.call(user: nil)
  end

  test "curly bug" do
    example = Mote.parse("{{ [1, 2, 3].map { |i| i * i }.join(',') }}")
    assert_equal "1,4,9", example.call
  end

  test "multi-line XML-style directives" do
    template = (<<-EOT).gsub(/^    /, "")
    <? res = ""
       [1, 2, 3].each_with_index do |item, idx|
         res << "%d. %d\n" % [idx + 1, item * item]
       end
    ?>
    {{ res }}
    EOT

    example = Mote.parse(template)
    assert_equal "\n1. 1\n2. 4\n3. 9\n\n", example.call
  end

  test "preserve XML directives" do
    template = (<<-EOT).gsub(/^    /, "")
    <?xml "hello" ?>
    EOT

    example = Mote.parse(template)
    assert_equal "<?xml \"hello\" ?>\n", example.call
  end

  test "escapes html" do
    template = (<<-EOT).gsub(/^    /, "")
    % res = '<img src="img.jpeg">'
    {{ res }}
    EOT

    example = Mote.parse(template)
    assert_equal "&lt;img src=&quot;img.jpeg&quot;&gt;\n", example.call
  end

  test "outputs raw html" do
    template = (<<-EOT).gsub(/^    /, "")
    % res = '<img src="img.jpeg">'
    {{> res }}
    EOT

    example = Mote.parse(template)
    assert_equal "<img src=\"img.jpeg\">\n", example.call
  end
end