vendor/rails/actionpack/test/template/render_test.rb

   1 require 'abstract_unit'
   2 require 'controller/fake_models'
   3
   4 class ViewRenderTest < Test::Unit::TestCase
   5   def setup
   6     @assigns = { :secret => 'in the sauce' }
   7     @view = ActionView::Base.new(ActionController::Base.view_paths, @assigns)
   8   end
   9
  10   def test_render_file
  11     assert_deprecated do
  12       assert_equal "Hello world!", @view.render("test/hello_world.erb")
  13     end
  14   end
  15
  16   def test_render_file_not_using_full_path
  17     assert_equal "Hello world!", @view.render(:file => "test/hello_world.erb")
  18   end
  19
  20   def test_render_file_without_specific_extension
  21     assert_deprecated do
  22       assert_equal "Hello world!", @view.render("test/hello_world")
  23     end
  24   end
  25
  26   def test_render_file_at_top_level
  27     assert_deprecated do
  28       assert_equal 'Elastica', @view.render('/shared')
  29     end
  30   end
  31
  32   def test_render_file_with_full_path
  33     template_path = File.join(File.dirname(__FILE__), '../fixtures/test/hello_world.erb')
  34     assert_equal "Hello world!", @view.render(:file => template_path)
  35   end
  36
  37   def test_render_file_with_instance_variables
  38     assert_deprecated do
  39       assert_equal "The secret is in the sauce\n", @view.render("test/render_file_with_ivar.erb")
  40     end
  41   end
  42
  43   def test_render_file_with_locals
  44     locals = { :secret => 'in the sauce' }
  45     assert_deprecated do
  46       assert_equal "The secret is in the sauce\n", @view.render("test/render_file_with_locals.erb", locals)
  47     end
  48   end
  49
  50   def test_render_file_not_using_full_path_with_dot_in_path
  51     assert_deprecated do
  52       assert_equal "The secret is in the sauce\n", @view.render("test/dot.directory/render_file_with_ivar")
  53     end
  54   end
  55
  56   def test_render_has_access_current_template
  57     assert_deprecated do
  58       assert_equal "test/template.erb", @view.render("test/template.erb")
  59     end
  60   end
  61
  62   def test_render_update
  63     # TODO: You should not have to stub out template because template is self!
  64     @view.instance_variable_set(:@template, @view)
  65     assert_equal 'alert("Hello, World!");', @view.render(:update) { |page| page.alert('Hello, World!') }
  66   end
  67
  68   def test_render_partial
  69     assert_equal "only partial", @view.render(:partial => "test/partial_only")
  70   end
  71
  72   def test_render_partial_with_format
  73     assert_equal 'partial html', @view.render(:partial => 'test/partial')
  74   end
  75
  76   def test_render_partial_at_top_level
  77     # file fixtures/_top_level_partial_only.erb (not fixtures/test)
  78     assert_equal 'top level partial', @view.render(:partial => '/top_level_partial_only')
  79   end
  80
  81   def test_render_partial_with_format_at_top_level
  82     # file fixtures/_top_level_partial.html.erb (not fixtures/test, with format extension)
  83     assert_equal 'top level partial html', @view.render(:partial => '/top_level_partial')
  84   end
  85
  86   def test_render_partial_with_locals
  87     assert_equal "5", @view.render(:partial => "test/counter", :locals => { :counter_counter => 5 })
  88   end
  89
  90   def test_render_partial_with_errors
  91     @view.render(:partial => "test/raise")
  92     flunk "Render did not raise TemplateError"
  93   rescue ActionView::TemplateError => e
  94     assert_match "undefined local variable or method `doesnt_exist'", e.message
  95     assert_equal "", e.sub_template_message
  96     assert_equal "1", e.line_number
  97     assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name
  98   end
  99
 100   def test_render_sub_template_with_errors
 101     @view.render(:file => "test/sub_template_raise")
 102     flunk "Render did not raise TemplateError"
 103   rescue ActionView::TemplateError => e
 104     assert_match "undefined local variable or method `doesnt_exist'", e.message
 105     assert_equal "Trace of template inclusion: #{File.expand_path("#{FIXTURE_LOAD_PATH}/test/sub_template_raise.html.erb")}", e.sub_template_message
 106     assert_equal "1", e.line_number
 107     assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name
 108   end
 109
 110   def test_render_partial_collection
 111     assert_equal "Hello: davidHello: mary", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), Customer.new("mary") ])
 112   end
 113
 114   def test_render_partial_collection_as
 115     assert_equal "david david davidmary mary mary",
 116       @view.render(:partial => "test/customer_with_var", :collection => [ Customer.new("david"), Customer.new("mary") ], :as => :customer)
 117   end
 118
 119   def test_render_partial_collection_without_as
 120     assert_equal "local_inspector,local_inspector_counter,object",
 121       @view.render(:partial => "test/local_inspector", :collection => [ Customer.new("mary") ])
 122   end
 123
 124   def test_render_partial_with_empty_collection_should_return_nil
 125     assert_nil @view.render(:partial => "test/customer", :collection => [])
 126   end
 127
 128   def test_render_partial_with_nil_collection_should_return_nil
 129     assert_nil @view.render(:partial => "test/customer", :collection => nil)
 130   end
 131
 132   def test_render_partial_with_nil_values_in_collection
 133     assert_equal "Hello: davidHello: Anonymous", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), nil ])
 134   end
 135
 136   def test_render_partial_with_empty_array_should_return_nil
 137     assert_nil @view.render(:partial => [])
 138   end
 139
 140   # TODO: The reason for this test is unclear, improve documentation
 141   def test_render_partial_and_fallback_to_layout
 142     assert_equal "Before (Josh)\n\nAfter", @view.render(:partial => "test/layout_for_partial", :locals => { :name => "Josh" })
 143   end
 144
 145   # TODO: The reason for this test is unclear, improve documentation
 146   def test_render_js_partial_and_fallback_to_erb_layout
 147     @view.template_format = :js
 148     assert_equal "Before (Josh)\n\nAfter", @view.render(:partial => "test/layout_for_partial", :locals => { :name => "Josh" })
 149   end
 150
 151   # TODO: The reason for this test is unclear, improve documentation
 152   def test_render_missing_xml_partial_and_raise_missing_template
 153     @view.template_format = :xml
 154     assert_raise(ActionView::MissingTemplate) { @view.render(:partial => "test/layout_for_partial") }
 155   end
 156
 157   def test_render_inline
 158     assert_equal "Hello, World!", @view.render(:inline => "Hello, World!")
 159   end
 160
 161   def test_render_inline_with_locals
 162     assert_equal "Hello, Josh!", @view.render(:inline => "Hello, <%= name %>!", :locals => { :name => "Josh" })
 163   end
 164
 165   def test_render_fallbacks_to_erb_for_unknown_types
 166     assert_equal "Hello, World!", @view.render(:inline => "Hello, World!", :type => :foo)
 167   end
 168
 169   CustomHandler = lambda do |template|
 170     "@output_buffer = ''\n" +
 171       "@output_buffer << 'source: #{template.source.inspect}'\n"
 172   end
 173
 174   def test_render_inline_with_compilable_custom_type
 175     ActionView::Template.register_template_handler :foo, CustomHandler
 176     assert_equal 'source: "Hello, World!"', @view.render(:inline => "Hello, World!", :type => :foo)
 177   end
 178
 179   def test_render_inline_with_locals_and_compilable_custom_type
 180     ActionView::Template.register_template_handler :foo, CustomHandler
 181     assert_equal 'source: "Hello, <%= name %>!"', @view.render(:inline => "Hello, <%= name %>!", :locals => { :name => "Josh" }, :type => :foo)
 182   end
 183
 184   def test_render_with_layout
 185     assert_equal %(<title></title>\nHello world!\n),
 186       @view.render(:file => "test/hello_world.erb", :layout => "layouts/yield")
 187   end
 188
 189   def test_render_with_nested_layout
 190     assert_equal %(<title>title</title>\n<div id="column">column</div>\n<div id="content">content</div>\n),
 191       @view.render(:file => "test/nested_layout.erb", :layout => "layouts/yield")
 192   end
 193 end