From eb23754ebbfbf2d465cc0f900720704fb3703633 Mon Sep 17 00:00:00 2001
From: Piotr Sarnacki <drogus@gmail.com>
Date: Wed, 17 Apr 2013 00:06:11 +0200
Subject: Move template tests from actionpack to actionview

---
 actionview/test/template/capture_helper_test.rb | 242 ++++++++++++++++++++++++
 1 file changed, 242 insertions(+)
 create mode 100644 actionview/test/template/capture_helper_test.rb

(limited to 'actionview/test/template/capture_helper_test.rb')

diff --git a/actionview/test/template/capture_helper_test.rb b/actionview/test/template/capture_helper_test.rb
new file mode 100644
index 0000000000..938f1c3e54
--- /dev/null
+++ b/actionview/test/template/capture_helper_test.rb
@@ -0,0 +1,242 @@
+require 'abstract_unit'
+
+class CaptureHelperTest < ActionView::TestCase
+  def setup
+    super
+    @av = ActionView::Base.new
+    @view_flow = ActionView::OutputFlow.new
+  end
+
+  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
+
+  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
+
+  def test_capture_returns_nil_if_the_returned_value_is_not_a_string
+    assert_nil @av.capture { 1 }
+  end
+
+  def test_capture_escapes_html
+    string = @av.capture { '<em>bar</em>' }
+    assert_equal '&lt;em&gt;bar&lt;/em&gt;', string
+  end
+
+  def test_capture_doesnt_escape_twice
+    string = @av.capture { '&lt;em&gt;bar&lt;/em&gt;'.html_safe }
+    assert_equal '&lt;em&gt;bar&lt;/em&gt;', string
+  end
+
+  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
+
+  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
+
+  def test_content_for_with_multiple_calls_and_flush
+    assert ! content_for?(:title)
+    content_for :title, 'foo'
+    content_for :title, 'bar', flush: true
+    assert_equal 'bar', content_for(:title)
+  end
+
+  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
+
+  def test_content_for_with_block_and_multiple_calls_with_flush
+    assert ! content_for?(:title)
+    content_for :title do
+      'foo'
+    end
+    content_for :title, flush: true do
+      'bar'
+    end
+    assert_equal 'bar', content_for(:title)
+  end
+
+  def test_content_for_with_block_and_multiple_calls_with_flush_nil_content
+    assert ! content_for?(:title)
+    content_for :title do
+      'foo'
+    end
+    content_for :title, nil, flush: true do
+      'bar'
+    end
+    assert_equal 'bar', content_for(:title)
+  end
+
+  def test_content_for_with_block_and_multiple_calls_without_flush
+    assert ! content_for?(:title)
+    content_for :title do
+      'foo'
+    end
+    content_for :title, flush: false do
+      'bar'
+    end
+    assert_equal 'foobar', content_for(:title)
+  end
+
+  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
+
+  def test_content_for_with_whitespace_block_and_flush
+    assert ! content_for?(:title)
+    content_for :title, 'foo'
+    content_for :title, flush: true do
+      output_buffer << "  \n  "
+      nil
+    end
+    content_for :title, 'bar', flush: true
+    assert_equal 'bar', content_for(:title)
+  end
+
+  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)
+    assert_equal nil, content_for(:title, 'foo', flush: true)
+    assert_equal nil, content_for(:title, flush: true) { output_buffer << 'bar'; nil }
+    assert_equal nil, content_for(:title, flush: true) { output_buffer << "  \n  "; nil }
+    assert_equal 'bar', content_for(:title)
+  end
+
+  def test_content_for_returns_nil_when_content_missing
+    assert_equal nil, content_for(:some_missing_key)
+  end
+
+  def test_content_for_question_mark
+    assert ! content_for?(:title)
+    content_for :title, 'title'
+    assert content_for?(:title)
+    assert ! content_for?(:something_else)
+  end
+
+  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
+
+  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
+
+  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
+
+  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
+
+  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
+
+  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
+
+  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
+
+  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
+
+  def alt_encoding(output_buffer)
+    output_buffer.encoding == Encoding::US_ASCII ? Encoding::UTF_8 : Encoding::US_ASCII
+  end
+
+  def view_with_controller
+    TestController.new.view_context.tap do |view|
+      view.output_buffer = ActionView::OutputBuffer.new
+    end
+  end
+end
-- 
cgit v1.2.3