2017-07-23 15:36:41 +00:00
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# frozen_string_literal: true
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2016-08-06 16:50:17 +00:00
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require "abstract_unit"
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2009-06-21 16:05:43 +00:00
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class CaptureHelperTest < ActionView::TestCase
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def setup
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super
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2019-01-29 23:17:52 +00:00
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@av = ActionView::Base.empty
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2011-05-01 10:16:31 +00:00
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@view_flow = ActionView::OutputFlow.new
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2009-06-21 16:05:43 +00:00
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end
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2010-03-16 19:33:38 +00:00
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def test_capture_captures_the_temporary_output_buffer_in_its_block
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assert_nil @av.output_buffer
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string = @av.capture do
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2016-08-06 16:50:17 +00:00
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@av.output_buffer << "foo"
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@av.output_buffer << "bar"
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2010-03-16 19:33:38 +00:00
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end
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assert_nil @av.output_buffer
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2016-08-06 16:50:17 +00:00
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assert_equal "foobar", string
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2010-03-16 19:33:38 +00:00
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end
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2010-03-16 20:05:01 +00:00
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def test_capture_captures_the_value_returned_by_the_block_if_the_temporary_buffer_is_blank
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2016-08-06 16:50:17 +00:00
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string = @av.capture("foo", "bar") do |a, b|
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2010-03-16 19:33:38 +00:00
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a + b
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end
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2016-08-06 16:50:17 +00:00
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assert_equal "foobar", string
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2010-03-16 19:33:38 +00:00
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end
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2014-12-15 23:20:54 +00:00
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def test_capture_returns_nil_if_the_returned_value_is_not_a_string
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assert_nil @av.capture { 1 }
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2010-03-16 19:33:38 +00:00
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end
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2010-10-11 18:39:12 +00:00
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def test_capture_escapes_html
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2016-08-06 16:50:17 +00:00
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string = @av.capture { "<em>bar</em>" }
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assert_equal "<em>bar</em>", string
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2010-11-02 22:02:55 +00:00
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end
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def test_capture_doesnt_escape_twice
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2016-08-06 16:50:17 +00:00
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string = @av.capture { raw("<em>bar</em>") }
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assert_equal "<em>bar</em>", string
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2010-10-11 18:39:12 +00:00
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end
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2018-09-25 06:15:35 +00:00
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def test_content_for_used_for_read
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2011-05-10 08:22:09 +00:00
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content_for :foo, "foo"
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assert_equal "foo", content_for(:foo)
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2016-08-16 07:30:11 +00:00
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content_for(:bar) { "bar" }
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2011-05-10 08:22:09 +00:00
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assert_equal "bar", content_for(:bar)
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end
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2011-09-05 13:10:12 +00:00
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def test_content_for_with_multiple_calls
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2016-08-06 16:50:17 +00:00
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content_for :title, "foo"
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2021-05-07 15:27:48 +00:00
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content_for :title, :bar
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2016-08-06 16:50:17 +00:00
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assert_equal "foobar", content_for(:title)
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2011-09-05 13:10:12 +00:00
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end
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2011-12-29 20:58:55 +00:00
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def test_content_for_with_multiple_calls_and_flush
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2016-08-06 16:50:17 +00:00
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content_for :title, "foo"
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2021-05-07 15:27:48 +00:00
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content_for :title, :bar, flush: true
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2016-08-06 16:50:17 +00:00
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assert_equal "bar", content_for(:title)
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2011-12-29 20:58:55 +00:00
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end
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2011-09-05 13:10:12 +00:00
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def test_content_for_with_block
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2011-09-05 13:10:12 +00:00
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content_for :title do
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2016-08-06 16:50:17 +00:00
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output_buffer << "foo"
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output_buffer << "bar"
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2011-09-05 13:10:12 +00:00
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nil
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end
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2016-08-06 16:50:17 +00:00
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assert_equal "foobar", content_for(:title)
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2011-09-05 13:10:12 +00:00
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end
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2011-12-29 20:58:55 +00:00
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def test_content_for_with_block_and_multiple_calls_with_flush
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2011-12-29 20:58:55 +00:00
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content_for :title do
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2016-08-06 16:50:17 +00:00
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"foo"
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2011-12-29 20:58:55 +00:00
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end
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2012-07-24 19:19:14 +00:00
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content_for :title, flush: true do
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2016-08-06 16:50:17 +00:00
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"bar"
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2011-12-29 20:58:55 +00:00
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end
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2016-08-06 16:50:17 +00:00
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assert_equal "bar", content_for(:title)
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2011-12-29 20:58:55 +00:00
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end
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def test_content_for_with_block_and_multiple_calls_with_flush_nil_content
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2011-12-29 20:58:55 +00:00
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content_for :title do
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2016-08-06 16:50:17 +00:00
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"foo"
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2011-12-29 20:58:55 +00:00
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end
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2012-07-24 19:19:14 +00:00
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content_for :title, nil, flush: true do
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2016-08-06 16:50:17 +00:00
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"bar"
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2011-12-29 20:58:55 +00:00
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end
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2016-08-06 16:50:17 +00:00
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assert_equal "bar", content_for(:title)
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2011-12-29 20:58:55 +00:00
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end
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def test_content_for_with_block_and_multiple_calls_without_flush
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2011-12-29 20:58:55 +00:00
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content_for :title do
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2016-08-06 16:50:17 +00:00
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"foo"
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2011-12-29 20:58:55 +00:00
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end
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2012-07-24 19:19:14 +00:00
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content_for :title, flush: false do
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2016-08-06 16:50:17 +00:00
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"bar"
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2011-12-29 20:58:55 +00:00
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end
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2016-08-06 16:50:17 +00:00
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assert_equal "foobar", content_for(:title)
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2011-12-29 20:58:55 +00:00
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end
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2011-09-05 13:10:12 +00:00
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def test_content_for_with_whitespace_block
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2016-08-06 16:50:17 +00:00
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content_for :title, "foo"
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2011-09-05 13:10:12 +00:00
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content_for :title do
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output_buffer << " \n "
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nil
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end
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2016-08-06 16:50:17 +00:00
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content_for :title, "bar"
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assert_equal "foobar", content_for(:title)
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2011-09-05 13:10:12 +00:00
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end
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2011-12-29 20:58:55 +00:00
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def test_content_for_with_whitespace_block_and_flush
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2016-08-06 16:50:17 +00:00
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content_for :title, "foo"
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2012-07-24 19:19:14 +00:00
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content_for :title, flush: true do
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2011-12-29 20:58:55 +00:00
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output_buffer << " \n "
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nil
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end
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2016-08-06 16:50:17 +00:00
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content_for :title, "bar", flush: true
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assert_equal "bar", content_for(:title)
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2011-12-29 20:58:55 +00:00
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end
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2011-09-05 13:10:12 +00:00
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def test_content_for_returns_nil_when_writing
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2016-12-24 17:29:52 +00:00
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assert_nil content_for(:title, "foo")
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assert_nil content_for(:title) { output_buffer << "bar"; nil }
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assert_nil content_for(:title) { output_buffer << " \n "; nil }
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2016-08-06 16:50:17 +00:00
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assert_equal "foobar", content_for(:title)
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2016-12-24 17:29:52 +00:00
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assert_nil content_for(:title, "foo", flush: true)
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assert_nil content_for(:title, flush: true) { output_buffer << "bar"; nil }
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assert_nil content_for(:title, flush: true) { output_buffer << " \n "; nil }
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2016-08-06 16:50:17 +00:00
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assert_equal "bar", content_for(:title)
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2011-09-05 13:10:12 +00:00
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end
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2013-02-21 22:22:27 +00:00
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def test_content_for_returns_nil_when_content_missing
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2016-12-24 17:29:52 +00:00
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assert_nil content_for(:some_missing_key)
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2013-02-21 22:22:27 +00:00
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end
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2011-05-10 08:22:09 +00:00
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def test_content_for_question_mark
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2016-08-06 16:50:17 +00:00
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content_for :title, "title"
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2009-06-21 16:05:43 +00:00
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assert content_for?(:title)
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:something_else)
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2009-06-21 16:05:43 +00:00
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end
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2010-03-15 17:29:21 +00:00
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2015-05-06 13:31:49 +00:00
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def test_content_for_should_be_html_safe_after_flush_empty
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2015-05-06 13:31:49 +00:00
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content_for :title do
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2016-08-06 16:50:17 +00:00
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content_tag(:p, "title")
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2015-05-06 13:31:49 +00:00
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end
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2018-01-25 23:14:09 +00:00
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assert_predicate content_for(:title), :html_safe?
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2015-05-06 13:31:49 +00:00
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content_for :title, "", flush: true
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content_for(:title) do
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2016-08-06 16:50:17 +00:00
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content_tag(:p, "title")
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2015-05-06 13:31:49 +00:00
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end
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2018-01-25 23:14:09 +00:00
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assert_predicate content_for(:title), :html_safe?
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2015-05-06 13:31:49 +00:00
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end
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2011-04-16 08:50:33 +00:00
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def test_provide
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2018-04-17 22:21:34 +00:00
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assert_not content_for?(:title)
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2011-04-16 09:34:07 +00:00
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provide :title, "hi"
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2011-04-16 08:50:33 +00:00
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assert content_for?(:title)
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2011-05-10 08:22:09 +00:00
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assert_equal "hi", content_for(:title)
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2011-04-16 08:50:33 +00:00
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provide :title, "<p>title</p>"
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2011-05-10 08:22:09 +00:00
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assert_equal "hi<p>title</p>", content_for(:title)
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2011-04-16 09:34:07 +00:00
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2011-05-01 10:16:31 +00:00
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@view_flow = ActionView::OutputFlow.new
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2021-05-07 15:27:48 +00:00
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provide :title, :hi
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2016-01-20 06:55:06 +00:00
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provide :title, raw("<p>title</p>")
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2011-05-10 08:22:09 +00:00
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assert_equal "hi<p>title</p>", content_for(:title)
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2011-04-16 08:50:33 +00:00
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end
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2010-03-15 23:22:22 +00:00
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def test_with_output_buffer_swaps_the_output_buffer_given_no_argument
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assert_nil @av.output_buffer
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buffer = @av.with_output_buffer do
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2016-08-06 16:50:17 +00:00
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@av.output_buffer << "."
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2010-03-15 23:22:22 +00:00
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end
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2016-08-06 16:50:17 +00:00
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assert_equal ".", buffer
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2010-03-15 23:22:22 +00:00
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assert_nil @av.output_buffer
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end
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def test_with_output_buffer_swaps_the_output_buffer_with_an_argument
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assert_nil @av.output_buffer
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2016-08-06 16:50:17 +00:00
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buffer = ActionView::OutputBuffer.new(".")
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2010-03-15 23:22:22 +00:00
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@av.with_output_buffer(buffer) do
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2016-08-06 16:50:17 +00:00
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@av.output_buffer << "."
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2010-03-15 23:22:22 +00:00
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end
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2016-08-06 16:50:17 +00:00
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assert_equal "..", buffer
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2010-03-15 23:22:22 +00:00
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assert_nil @av.output_buffer
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end
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def test_with_output_buffer_restores_the_output_buffer
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buffer = ActionView::OutputBuffer.new
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@av.output_buffer = buffer
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@av.with_output_buffer do
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2016-08-06 16:50:17 +00:00
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@av.output_buffer << "."
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2010-03-15 23:22:22 +00:00
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end
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assert buffer.equal?(@av.output_buffer)
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end
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2011-12-21 08:04:54 +00:00
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def test_with_output_buffer_sets_proper_encoding
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@av.output_buffer = ActionView::OutputBuffer.new
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2010-03-15 23:22:22 +00:00
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2011-12-21 08:04:54 +00:00
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# Ensure we set the output buffer to an encoding different than the default one.
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alt_encoding = alt_encoding(@av.output_buffer)
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@av.output_buffer.force_encoding(alt_encoding)
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2010-03-15 23:22:22 +00:00
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2011-12-21 08:04:54 +00:00
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@av.with_output_buffer do
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assert_equal alt_encoding, @av.output_buffer.encoding
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2010-03-15 23:22:22 +00:00
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end
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end
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2010-03-15 17:29:21 +00:00
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def test_with_output_buffer_does_not_assume_there_is_an_output_buffer
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2010-03-15 23:22:22 +00:00
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assert_nil @av.output_buffer
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2018-09-25 17:18:20 +00:00
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assert_equal "", @av.with_output_buffer { }
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2010-03-15 17:29:21 +00:00
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end
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2010-03-16 20:05:01 +00:00
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def alt_encoding(output_buffer)
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output_buffer.encoding == Encoding::US_ASCII ? Encoding::UTF_8 : Encoding::US_ASCII
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end
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2009-06-21 16:05:43 +00:00
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end
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