Class CaptureHelperTest < ActionView::TestCase

# File actionpack/test/template/capture_helper_test.rb, line 178
def alt_encoding(output_buffer)
  output_buffer.encoding == Encoding::US_ASCII ? Encoding::UTF_8 : Encoding::US_ASCII
end

# File actionpack/test/template/capture_helper_test.rb, line 4
def setup
  super
  @av = ActionView::Base.new
  @view_flow = ActionView::OutputFlow.new
end

# File actionpack/test/template/capture_helper_test.rb, line 10
def test_capture_captures_the_temporary_output_buffer_in_its_block
  assert_nil @av.output_buffer
  string = @av.capture do
    @av.output_buffer << 'foo'
    @av.output_buffer << 'bar'
  end
  assert_nil @av.output_buffer
  assert_equal 'foobar', string
end

# File actionpack/test/template/capture_helper_test.rb, line 20
def test_capture_captures_the_value_returned_by_the_block_if_the_temporary_buffer_is_blank
  string = @av.capture('foo', 'bar') do |a, b|
    a + b
  end
  assert_equal 'foobar', string
end

# File actionpack/test/template/capture_helper_test.rb, line 36
def test_capture_doesnt_escape_twice
  string = @av.capture { '<em>bar</em>'.html_safe }
  assert_equal '<em>bar</em>', string
end

# File actionpack/test/template/capture_helper_test.rb, line 31
def test_capture_escapes_html
  string = @av.capture { '<em>bar</em>' }
  assert_equal '&lt;em&gt;bar&lt;/em&gt;', string
end

# File actionpack/test/template/capture_helper_test.rb, line 27
def test_capture_returns_nil_if_the_returned_value_is_not_a_string
  assert_nil @av.capture { 1 }
end

# File actionpack/test/template/capture_helper_test.rb, line 41
def test_capture_used_for_read
  content_for :foo, "foo"
  assert_equal "foo", content_for(:foo)

  content_for(:bar){ "bar" }
  assert_equal "bar", content_for(:bar)
end

# File actionpack/test/template/capture_helper_test.rb, line 85
def test_content_for_question_mark
  assert ! content_for?(:title)
  content_for :title, 'title'
  assert content_for?(:title)
  assert ! content_for?(:something_else)
end

# File actionpack/test/template/capture_helper_test.rb, line 77
def test_content_for_returns_nil_when_writing
  assert ! content_for?(:title)
  assert_equal nil, content_for(:title, 'foo')
  assert_equal nil, content_for(:title) { output_buffer << 'bar'; nil }
  assert_equal nil, content_for(:title) { output_buffer << "  \n  "; nil }
  assert_equal 'foobar', content_for(:title)
end

# File actionpack/test/template/capture_helper_test.rb, line 56
def test_content_for_with_block
  assert ! content_for?(:title)
  content_for :title do
    output_buffer << 'foo'
    output_buffer << 'bar'
    nil
  end
  assert_equal 'foobar', content_for(:title)
end

# File actionpack/test/template/capture_helper_test.rb, line 49
def test_content_for_with_multiple_calls
  assert ! content_for?(:title)
  content_for :title, 'foo'
  content_for :title, 'bar'
  assert_equal 'foobar', content_for(:title)
end

# File actionpack/test/template/capture_helper_test.rb, line 66
def test_content_for_with_whitespace_block
  assert ! content_for?(:title)
  content_for :title, 'foo'
  content_for :title do
    output_buffer << "  \n  "
    nil
  end
  content_for :title, 'bar'
  assert_equal 'foobar', content_for(:title)
end

# File actionpack/test/template/capture_helper_test.rb, line 153
def test_flush_output_buffer_concats_output_buffer_to_response
  view = view_with_controller
  assert_equal [], view.response.body_parts

  view.output_buffer << 'OMG'
  view.flush_output_buffer
  assert_equal ['OMG'], view.response.body_parts
  assert_equal '', view.output_buffer

  view.output_buffer << 'foobar'
  view.flush_output_buffer
  assert_equal ['OMG', 'foobar'], view.response.body_parts
  assert_equal '', view.output_buffer
end

# File actionpack/test/template/capture_helper_test.rb, line 169
def test_flush_output_buffer_preserves_the_encoding_of_the_output_buffer
  view = view_with_controller
  alt_encoding = alt_encoding(view.output_buffer)
  view.output_buffer.force_encoding(alt_encoding)
  flush_output_buffer
  assert_equal alt_encoding, view.output_buffer.encoding
end

# File actionpack/test/template/capture_helper_test.rb, line 92
def test_provide
  assert !content_for?(:title)
  provide :title, "hi"
  assert content_for?(:title)
  assert_equal "hi", content_for(:title)
  provide :title, "<p>title</p>"
  assert_equal "hi&lt;p&gt;title&lt;/p&gt;", content_for(:title)

  @view_flow = ActionView::OutputFlow.new
  provide :title, "hi"
  provide :title, "<p>title</p>".html_safe
  assert_equal "hi<p>title</p>", content_for(:title)
end

# File actionpack/test/template/capture_helper_test.rb, line 148
def test_with_output_buffer_does_not_assume_there_is_an_output_buffer
  assert_nil @av.output_buffer
  assert_equal "", @av.with_output_buffer {}
end

# File actionpack/test/template/capture_helper_test.rb, line 125
def test_with_output_buffer_restores_the_output_buffer
  buffer = ActionView::OutputBuffer.new
  @av.output_buffer = buffer
  @av.with_output_buffer do
    @av.output_buffer << '.'
  end
  assert buffer.equal?(@av.output_buffer)
end

# File actionpack/test/template/capture_helper_test.rb, line 135
def test_with_output_buffer_sets_proper_encoding
  @av.output_buffer = ActionView::OutputBuffer.new

  # Ensure we set the output buffer to an encoding different than the default one.
  alt_encoding = alt_encoding(@av.output_buffer)
  @av.output_buffer.force_encoding(alt_encoding)

  @av.with_output_buffer do
    assert_equal alt_encoding, @av.output_buffer.encoding
  end
end

# File actionpack/test/template/capture_helper_test.rb, line 106
def test_with_output_buffer_swaps_the_output_buffer_given_no_argument
  assert_nil @av.output_buffer
  buffer = @av.with_output_buffer do
    @av.output_buffer << '.'
  end
  assert_equal '.', buffer
  assert_nil @av.output_buffer
end

# File actionpack/test/template/capture_helper_test.rb, line 115
def test_with_output_buffer_swaps_the_output_buffer_with_an_argument
  assert_nil @av.output_buffer
  buffer = ActionView::OutputBuffer.new('.')
  @av.with_output_buffer(buffer) do
    @av.output_buffer << '.'
  end
  assert_equal '..', buffer
  assert_nil @av.output_buffer
end

# File actionpack/test/template/capture_helper_test.rb, line 182
def view_with_controller
  TestController.new.view_context.tap do |view|
    view.output_buffer = ActionView::OutputBuffer.new
  end
end