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rails--rails/actionview/test/template/render_test.rb
Prem Sichanugrist 243e6e4b2a Fix a fragile test on action_view/render
This test were assuming that the list of render options will always be
the same. Fixing that so this doesn't break when we add/remove render
option in the future.
2014-02-18 12:08:36 -05:00

553 lines
24 KiB
Ruby

# encoding: utf-8
require 'abstract_unit'
require 'controller/fake_models'
class TestController < ActionController::Base
end
module RenderTestCases
def setup_view(paths)
@assigns = { :secret => 'in the sauce' }
@view = ActionView::Base.new(paths, @assigns)
@controller_view = TestController.new.view_context
# Reload and register danish language for testing
I18n.reload!
I18n.backend.store_translations 'da', {}
I18n.backend.store_translations 'pt-BR', {}
# Ensure original are still the same since we are reindexing view paths
assert_equal ORIGINAL_LOCALES, I18n.available_locales.map {|l| l.to_s }.sort
end
def test_render_without_options
e = assert_raises(ArgumentError) { @view.render() }
assert_match(/You invoked render but did not give any of (.+) option./, e.message)
end
def test_render_file
assert_equal "Hello world!", @view.render(:file => "test/hello_world")
end
# Test if :formats, :locale etc. options are passed correctly to the resolvers.
def test_render_file_with_format
assert_match "<h1>No Comment</h1>", @view.render(:file => "comments/empty", :formats => [:html])
assert_match "<error>No Comment</error>", @view.render(:file => "comments/empty", :formats => [:xml])
assert_match "<error>No Comment</error>", @view.render(:file => "comments/empty", :formats => :xml)
end
def test_render_template_with_format
assert_match "<h1>No Comment</h1>", @view.render(:template => "comments/empty", :formats => [:html])
assert_match "<error>No Comment</error>", @view.render(:template => "comments/empty", :formats => [:xml])
end
def test_rendered_format_without_format
@view.render(:inline => "test")
assert_equal :html, @view.lookup_context.rendered_format
end
def test_render_partial_implicitly_use_format_of_the_rendered_template
@view.lookup_context.formats = [:json]
assert_equal "Hello world", @view.render(:template => "test/one", :formats => [:html])
end
def test_render_partial_implicitly_use_format_of_the_rendered_partial
@view.lookup_context.formats = [:html]
assert_equal "Third level", @view.render(:template => "test/html_template")
end
def test_render_partial_use_last_prepended_format_for_partials_with_the_same_names
@view.lookup_context.formats = [:html]
assert_equal "\nHTML Template, but JSON partial", @view.render(:template => "test/change_priority")
end
def test_render_template_with_a_missing_partial_of_another_format
@view.lookup_context.formats = [:html]
assert_raise ActionView::Template::Error, "Missing partial /_missing with {:locale=>[:en], :formats=>[:json], :handlers=>[:erb, :builder]}" do
@view.render(:template => "with_format", :formats => [:json])
end
end
def test_render_file_with_locale
assert_equal "<h1>Kein Kommentar</h1>", @view.render(:file => "comments/empty", :locale => [:de])
assert_equal "<h1>Kein Kommentar</h1>", @view.render(:file => "comments/empty", :locale => :de)
end
def test_render_template_with_locale
assert_equal "<h1>Kein Kommentar</h1>", @view.render(:template => "comments/empty", :locale => [:de])
end
def test_render_file_with_handlers
assert_equal "<h1>No Comment</h1>\n", @view.render(:file => "comments/empty", :handlers => [:builder])
assert_equal "<h1>No Comment</h1>\n", @view.render(:file => "comments/empty", :handlers => :builder)
end
def test_render_template_with_handlers
assert_equal "<h1>No Comment</h1>\n", @view.render(:template => "comments/empty", :handlers => [:builder])
end
def test_render_raw_template_with_handlers
assert_equal "<%= hello_world %>\n", @view.render(:template => "plain_text")
end
def test_render_raw_template_with_quotes
assert_equal %q;Here are some characters: !@#$%^&*()-="'}{`; + "\n", @view.render(:template => "plain_text_with_characters")
end
def test_render_ruby_template_with_handlers
assert_equal "Hello from Ruby code", @view.render(:template => "ruby_template")
end
def test_render_ruby_template_inline
assert_equal '4', @view.render(:inline => "(2**2).to_s", :type => :ruby)
end
def test_render_file_with_localization_on_context_level
old_locale, @view.locale = @view.locale, :da
assert_equal "Hey verden", @view.render(:file => "test/hello_world")
ensure
@view.locale = old_locale
end
def test_render_file_with_dashed_locale
old_locale, @view.locale = @view.locale, :"pt-BR"
assert_equal "Ola mundo", @view.render(:file => "test/hello_world")
ensure
@view.locale = old_locale
end
def test_render_file_at_top_level
assert_equal 'Elastica', @view.render(:file => '/shared')
end
def test_render_file_with_full_path
template_path = File.join(File.dirname(__FILE__), '../fixtures/test/hello_world')
assert_equal "Hello world!", @view.render(:file => template_path)
end
def test_render_file_with_instance_variables
assert_equal "The secret is in the sauce\n", @view.render(:file => "test/render_file_with_ivar")
end
def test_render_file_with_locals
locals = { :secret => 'in the sauce' }
assert_equal "The secret is in the sauce\n", @view.render(:file => "test/render_file_with_locals", :locals => locals)
end
def test_render_file_not_using_full_path_with_dot_in_path
assert_equal "The secret is in the sauce\n", @view.render(:file => "test/dot.directory/render_file_with_ivar")
end
def test_render_partial_from_default
assert_equal "only partial", @view.render("test/partial_only")
end
def test_render_partial
assert_equal "only partial", @view.render(:partial => "test/partial_only")
end
def test_render_partial_with_format
assert_equal 'partial html', @view.render(:partial => 'test/partial')
end
def test_render_partial_with_selected_format
assert_equal 'partial html', @view.render(:partial => 'test/partial', :formats => :html)
assert_equal 'partial js', @view.render(:partial => 'test/partial', :formats => [:js])
end
def test_render_partial_at_top_level
# file fixtures/_top_level_partial_only (not fixtures/test)
assert_equal 'top level partial', @view.render(:partial => '/top_level_partial_only')
end
def test_render_partial_with_format_at_top_level
# file fixtures/_top_level_partial.html (not fixtures/test, with format extension)
assert_equal 'top level partial html', @view.render(:partial => '/top_level_partial')
end
def test_render_partial_with_locals
assert_equal "5", @view.render(:partial => "test/counter", :locals => { :counter_counter => 5 })
end
def test_render_partial_with_locals_from_default
assert_equal "only partial", @view.render("test/partial_only", :counter_counter => 5)
end
def test_render_partial_with_invalid_name
e = assert_raises(ArgumentError) { @view.render(:partial => "test/200") }
assert_equal "The partial name (test/200) is not a valid Ruby identifier; " +
"make sure your partial name starts with a lowercase letter or underscore, " +
"and is followed by any combination of letters, numbers and underscores.", e.message
end
def test_render_partial_with_missing_filename
e = assert_raises(ArgumentError) { @view.render(:partial => "test/") }
assert_equal "The partial name (test/) is not a valid Ruby identifier; " +
"make sure your partial name starts with a lowercase letter or underscore, " +
"and is followed by any combination of letters, numbers and underscores.", e.message
end
def test_render_partial_with_incompatible_object
e = assert_raises(ArgumentError) { @view.render(:partial => nil) }
assert_equal "'#{nil.inspect}' is not an ActiveModel-compatible object. It must implement :to_partial_path.", e.message
end
def test_render_partial_with_hyphen
e = assert_raises(ArgumentError) { @view.render(:partial => "test/a-in") }
assert_equal "The partial name (test/a-in) is not a valid Ruby identifier; " +
"make sure your partial name starts with a lowercase letter or underscore, " +
"and is followed by any combination of letters, numbers and underscores.", e.message
end
def test_render_partial_with_errors
e = assert_raises(ActionView::Template::Error) { @view.render(:partial => "test/raise") }
assert_match %r!method.*doesnt_exist!, e.message
assert_equal "", e.sub_template_message
assert_equal "1", e.line_number
assert_equal "1: <%= doesnt_exist %>", e.annoted_source_code.strip
assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name
end
def test_render_error_indentation
e = assert_raises(ActionView::Template::Error) { @view.render(:partial => "test/raise_indentation") }
error_lines = e.annoted_source_code.split("\n")
assert_match %r!error\shere!, e.message
assert_equal "11", e.line_number
assert_equal " 9: <p>Ninth paragraph</p>", error_lines.second
assert_equal " 10: <p>Tenth paragraph</p>", error_lines.third
end
def test_render_sub_template_with_errors
e = assert_raises(ActionView::Template::Error) { @view.render(:template => "test/sub_template_raise") }
assert_match %r!method.*doesnt_exist!, e.message
assert_equal "Trace of template inclusion: #{File.expand_path("#{FIXTURE_LOAD_PATH}/test/sub_template_raise.html.erb")}", e.sub_template_message
assert_equal "1", e.line_number
assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name
end
def test_render_file_with_errors
e = assert_raises(ActionView::Template::Error) { @view.render(:file => File.expand_path("test/_raise", FIXTURE_LOAD_PATH)) }
assert_match %r!method.*doesnt_exist!, e.message
assert_equal "", e.sub_template_message
assert_equal "1", e.line_number
assert_equal "1: <%= doesnt_exist %>", e.annoted_source_code.strip
assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name
end
def test_render_object
assert_equal "Hello: david", @view.render(:partial => "test/customer", :object => Customer.new("david"))
end
def test_render_object_with_array
assert_equal "[1, 2, 3]", @view.render(:partial => "test/object_inspector", :object => [1, 2, 3])
end
def test_render_partial_collection
assert_equal "Hello: davidHello: mary", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), Customer.new("mary") ])
end
def test_render_partial_collection_as_by_string
assert_equal "david david davidmary mary mary",
@view.render(:partial => "test/customer_with_var", :collection => [ Customer.new("david"), Customer.new("mary") ], :as => 'customer')
end
def test_render_partial_collection_as_by_symbol
assert_equal "david david davidmary mary mary",
@view.render(:partial => "test/customer_with_var", :collection => [ Customer.new("david"), Customer.new("mary") ], :as => :customer)
end
def test_render_partial_collection_without_as
assert_equal "local_inspector,local_inspector_counter",
@view.render(:partial => "test/local_inspector", :collection => [ Customer.new("mary") ])
end
def test_render_partial_with_empty_collection_should_return_nil
assert_nil @view.render(:partial => "test/customer", :collection => [])
end
def test_render_partial_with_nil_collection_should_return_nil
assert_nil @view.render(:partial => "test/customer", :collection => nil)
end
def test_render_partial_with_nil_values_in_collection
assert_equal "Hello: davidHello: Anonymous", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), nil ])
end
def test_render_partial_with_layout_using_collection_and_template
assert_equal "<b>Hello: Amazon</b><b>Hello: Yahoo</b>", @view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial', :collection => [ Customer.new("Amazon"), Customer.new("Yahoo") ])
end
def test_render_partial_with_layout_using_collection_and_template_makes_current_item_available_in_layout
assert_equal '<b class="amazon">Hello: Amazon</b><b class="yahoo">Hello: Yahoo</b>',
@view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial_with_object', :collection => [ Customer.new("Amazon"), Customer.new("Yahoo") ])
end
def test_render_partial_with_layout_using_collection_and_template_makes_current_item_counter_available_in_layout
assert_equal '<b data-counter="0">Hello: Amazon</b><b data-counter="1">Hello: Yahoo</b>',
@view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial_with_object_counter', :collection => [ Customer.new("Amazon"), Customer.new("Yahoo") ])
end
def test_render_partial_with_layout_using_object_and_template_makes_object_available_in_layout
assert_equal '<b class="amazon">Hello: Amazon</b>',
@view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial_with_object', :object => Customer.new("Amazon"))
end
def test_render_partial_with_empty_array_should_return_nil
assert_nil @view.render(:partial => [])
end
def test_render_partial_using_string
assert_equal "Hello: Anonymous", @controller_view.render('customer')
end
def test_render_partial_with_locals_using_string
assert_equal "Hola: david", @controller_view.render('customer_greeting', :greeting => 'Hola', :customer_greeting => Customer.new("david"))
end
def test_render_partial_with_object_uses_render_partial_path
assert_equal "Hello: lifo",
@controller_view.render(:partial => Customer.new("lifo"), :locals => {:greeting => "Hello"})
end
def test_render_partial_with_object_and_format_uses_render_partial_path
assert_equal "<greeting>Hello</greeting><name>lifo</name>",
@controller_view.render(:partial => Customer.new("lifo"), :formats => :xml, :locals => {:greeting => "Hello"})
end
def test_render_partial_using_object
assert_equal "Hello: lifo",
@controller_view.render(Customer.new("lifo"), :greeting => "Hello")
end
def test_render_partial_using_collection
customers = [ Customer.new("Amazon"), Customer.new("Yahoo") ]
assert_equal "Hello: AmazonHello: Yahoo",
@controller_view.render(customers, :greeting => "Hello")
end
def test_render_partial_without_object_or_collection_does_not_generate_partial_name_local_variable
exception = assert_raises ActionView::Template::Error do
@controller_view.render("partial_name_local_variable")
end
assert_match "undefined local variable or method `partial_name_local_variable'", exception.message
end
# TODO: The reason for this test is unclear, improve documentation
def test_render_partial_and_fallback_to_layout
assert_equal "Before (Josh)\n\nAfter", @view.render(:partial => "test/layout_for_partial", :locals => { :name => "Josh" })
end
# TODO: The reason for this test is unclear, improve documentation
def test_render_missing_xml_partial_and_raise_missing_template
@view.formats = [:xml]
assert_raises(ActionView::MissingTemplate) { @view.render(:partial => "test/layout_for_partial") }
ensure
@view.formats = nil
end
def test_render_layout_with_block_and_other_partial_inside
render = @view.render(:layout => "test/layout_with_partial_and_yield") { "Yield!" }
assert_equal "Before\npartial html\nYield!\nAfter\n", render
end
def test_render_inline
assert_equal "Hello, World!", @view.render(:inline => "Hello, World!")
end
def test_render_inline_with_locals
assert_equal "Hello, Josh!", @view.render(:inline => "Hello, <%= name %>!", :locals => { :name => "Josh" })
end
def test_render_fallbacks_to_erb_for_unknown_types
assert_equal "Hello, World!", @view.render(:inline => "Hello, World!", :type => :bar)
end
CustomHandler = lambda do |template|
"@output_buffer = ''\n" +
"@output_buffer << 'source: #{template.source.inspect}'\n"
end
def test_render_inline_with_render_from_to_proc
ActionView::Template.register_template_handler :ruby_handler, :source.to_proc
assert_equal '3', @view.render(:inline => "(1 + 2).to_s", :type => :ruby_handler)
end
def test_render_inline_with_compilable_custom_type
ActionView::Template.register_template_handler :foo, CustomHandler
assert_equal 'source: "Hello, World!"', @view.render(:inline => "Hello, World!", :type => :foo)
end
def test_render_inline_with_locals_and_compilable_custom_type
ActionView::Template.register_template_handler :foo, CustomHandler
assert_equal 'source: "Hello, <%= name %>!"', @view.render(:inline => "Hello, <%= name %>!", :locals => { :name => "Josh" }, :type => :foo)
end
def test_render_knows_about_types_registered_when_extensions_are_checked_earlier_in_initialization
ActionView::Template::Handlers.extensions
ActionView::Template.register_template_handler :foo, CustomHandler
assert ActionView::Template::Handlers.extensions.include?(:foo)
end
def test_render_ignores_templates_with_malformed_template_handlers
ActiveSupport::Deprecation.silence do
%w(malformed malformed.erb malformed.html.erb malformed.en.html.erb).each do |name|
assert File.exist?(File.expand_path("#{FIXTURE_LOAD_PATH}/test/malformed/#{name}~")), "Malformed file (#{name}~) which should be ignored does not exists"
assert_raises(ActionView::MissingTemplate) { @view.render(:file => "test/malformed/#{name}") }
end
end
end
def test_render_with_layout
assert_equal %(<title></title>\nHello world!\n),
@view.render(:file => "test/hello_world", :layout => "layouts/yield")
end
def test_render_with_layout_which_has_render_inline
assert_equal %(welcome\nHello world!\n),
@view.render(:file => "test/hello_world", :layout => "layouts/yield_with_render_inline_inside")
end
def test_render_with_layout_which_renders_another_partial
assert_equal %(partial html\nHello world!\n),
@view.render(:file => "test/hello_world", :layout => "layouts/yield_with_render_partial_inside")
end
def test_render_layout_with_block_and_yield
assert_equal %(Content from block!\n),
@view.render(:layout => "layouts/yield_only") { "Content from block!" }
end
def test_render_layout_with_block_and_yield_with_params
assert_equal %(Yield! Content from block!\n),
@view.render(:layout => "layouts/yield_with_params") { |param| "#{param} Content from block!" }
end
def test_render_layout_with_block_which_renders_another_partial_and_yields
assert_equal %(partial html\nContent from block!\n),
@view.render(:layout => "layouts/partial_and_yield") { "Content from block!" }
end
def test_render_partial_and_layout_without_block_with_locals
assert_equal %(Before (Foo!)\npartial html\nAfter),
@view.render(:partial => 'test/partial', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'})
end
def test_render_partial_and_layout_without_block_with_locals_and_rendering_another_partial
assert_equal %(Before (Foo!)\npartial html\npartial with partial\n\nAfter),
@view.render(:partial => 'test/partial_with_partial', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'})
end
def test_render_layout_with_a_nested_render_layout_call
assert_equal %(Before (Foo!)\nBefore (Bar!)\npartial html\nAfter\npartial with layout\n\nAfter),
@view.render(:partial => 'test/partial_with_layout', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'})
end
def test_render_layout_with_a_nested_render_layout_call_using_block_with_render_partial
assert_equal %(Before (Foo!)\nBefore (Bar!)\n\n partial html\n\nAfterpartial with layout\n\nAfter),
@view.render(:partial => 'test/partial_with_layout_block_partial', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'})
end
def test_render_layout_with_a_nested_render_layout_call_using_block_with_render_content
assert_equal %(Before (Foo!)\nBefore (Bar!)\n\n Content from inside layout!\n\nAfterpartial with layout\n\nAfter),
@view.render(:partial => 'test/partial_with_layout_block_content', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'})
end
def test_render_partial_with_layout_raises_descriptive_error
e = assert_raises(ActionView::MissingTemplate) { @view.render(partial: 'test/partial', layout: true) }
assert_match "Missing partial /_true with", e.message
end
def test_render_with_nested_layout
assert_equal %(<title>title</title>\n\n<div id="column">column</div>\n<div id="content">content</div>\n),
@view.render(:file => "test/nested_layout", :layout => "layouts/yield")
end
def test_render_with_file_in_layout
assert_equal %(\n<title>title</title>\n\n),
@view.render(:file => "test/layout_render_file")
end
def test_render_layout_with_object
assert_equal %(<title>David</title>),
@view.render(:file => "test/layout_render_object")
end
def test_render_with_passing_couple_extensions_to_one_register_template_handler_function_call
ActionView::Template.register_template_handler :foo1, :foo2, CustomHandler
assert_equal @view.render(:inline => "Hello, World!", :type => :foo1), @view.render(:inline => "Hello, World!", :type => :foo2)
end
def test_render_throws_exception_when_no_extensions_passed_to_register_template_handler_function_call
assert_raises(ArgumentError) { ActionView::Template.register_template_handler CustomHandler }
end
end
class CachedViewRenderTest < ActiveSupport::TestCase
include RenderTestCases
# Ensure view path cache is primed
def setup
view_paths = ActionController::Base.view_paths
assert_equal ActionView::OptimizedFileSystemResolver, view_paths.first.class
setup_view(view_paths)
end
def teardown
GC.start
end
end
class LazyViewRenderTest < ActiveSupport::TestCase
include RenderTestCases
# Test the same thing as above, but make sure the view path
# is not eager loaded
def setup
path = ActionView::FileSystemResolver.new(FIXTURE_LOAD_PATH)
view_paths = ActionView::PathSet.new([path])
assert_equal ActionView::FileSystemResolver.new(FIXTURE_LOAD_PATH), view_paths.first
setup_view(view_paths)
end
def teardown
GC.start
end
def test_render_utf8_template_with_magic_comment
with_external_encoding Encoding::ASCII_8BIT do
result = @view.render(:file => "test/utf8_magic", :formats => [:html], :layouts => "layouts/yield")
assert_equal Encoding::UTF_8, result.encoding
assert_equal "\nРусский \nтекст\n\nUTF-8\nUTF-8\nUTF-8\n", result
end
end
def test_render_utf8_template_with_default_external_encoding
with_external_encoding Encoding::UTF_8 do
result = @view.render(:file => "test/utf8", :formats => [:html], :layouts => "layouts/yield")
assert_equal Encoding::UTF_8, result.encoding
assert_equal "Русский текст\n\nUTF-8\nUTF-8\nUTF-8\n", result
end
end
def test_render_utf8_template_with_incompatible_external_encoding
with_external_encoding Encoding::SHIFT_JIS do
e = assert_raises(ActionView::Template::Error) { @view.render(:file => "test/utf8", :formats => [:html], :layouts => "layouts/yield") }
assert_match 'Your template was not saved as valid Shift_JIS', e.original_exception.message
end
end
def test_render_utf8_template_with_partial_with_incompatible_encoding
with_external_encoding Encoding::SHIFT_JIS do
e = assert_raises(ActionView::Template::Error) { @view.render(:file => "test/utf8_magic_with_bare_partial", :formats => [:html], :layouts => "layouts/yield") }
assert_match 'Your template was not saved as valid Shift_JIS', e.original_exception.message
end
end
def with_external_encoding(encoding)
old = Encoding.default_external
silence_warnings { Encoding.default_external = encoding }
yield
ensure
silence_warnings { Encoding.default_external = old }
end
end