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rails--rails/actionview/test/template/render_test.rb
Joel Hawksley c221b5b448
RenderingHelper supports rendering objects that respond_to? :render_in
Co-authored-by: Natasha Umer <natashau@github.com>
Co-authored-by: Aaron Patterson <tenderlove@github.com>
Co-authored-by: Shawn Allen <shawnbot@github.com>
Co-authored-by: Emily Plummer <emplums@github.com>
Co-authored-by: Diana Mounter <broccolini@github.com>
Co-authored-by: John Hawthorn <jhawthorn@github.com>
Co-authored-by: Nathan Herald <myobie@github.com>
Co-authored-by: Zaid Zawaideh <zawaideh@github.com>
Co-authored-by: Zach Ahn <engineering@zachahn.com>
2019-06-12 16:31:01 -06:00

849 lines
34 KiB
Ruby

# frozen_string_literal: true
require "abstract_unit"
require "controller/fake_models"
require "test_component"
require "active_model/validations"
class TestController < ActionController::Base
end
module RenderTestCases
def setup_view(paths)
@assigns = { secret: "in the sauce" }
@view = Class.new(ActionView::Base.with_empty_template_cache) do
def view_cache_dependencies; []; end
def combined_fragment_cache_key(key)
[ :views, key ]
end
end.with_view_paths(paths, @assigns)
controller = TestController.new
@controller_view = controller.view_context_class.with_empty_template_cache.new(
controller.lookup_context,
controller.view_assigns,
controller)
# Reload and register danish language for testing
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(&:to_s).sort
end
def teardown
I18n.reload!
ActionController::Base.view_paths.map(&:clear_cache)
end
def test_implicit_format_comes_from_parent_template
rendered_templates = JSON.parse(@controller_view.render(template: "test/mixing_formats"))
assert_equal({ "format" => "HTML",
"children" => ["XML", "HTML"] }, rendered_templates)
end
def test_implicit_format_comes_from_parent_template_cascading
rendered_templates = JSON.parse(@controller_view.render(template: "test/mixing_formats_deep"))
assert_equal({ "format" => "HTML",
"children" => [
{ "format" => "XML", "children" => ["XML"] },
{ "format" => "HTML", "children" => ["HTML"] },
] }, rendered_templates)
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_template
assert_equal "Hello world!", @view.render(template: "test/hello_world")
end
def test_render_file
assert_equal "Hello world!", assert_deprecated { @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>", assert_deprecated { @view.render(file: "comments/empty", formats: [:html]) }
assert_match "<error>No Comment</error>", assert_deprecated { @view.render(file: "comments/empty", formats: [:xml]) }
assert_match "<error>No Comment</error>", assert_deprecated { @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])
assert_match "<error>No Comment</error>", @view.render(template: "comments/empty", formats: :xml)
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 HTML partial", @view.render(template: "test/change_priority")
end
def test_render_template_with_a_missing_partial_of_another_format
@view.lookup_context.formats = [:html]
e = assert_raise ActionView::Template::Error do
@view.render(template: "with_format", formats: [:json])
end
assert_includes(e.message, "Missing partial /_missing with {:locale=>[:en], :formats=>[:json], :variants=>[], :handlers=>[:raw, :erb, :html, :builder, :ruby]}.")
end
def test_render_file_with_locale
assert_equal "<h1>Kein Kommentar</h1>", assert_deprecated { @view.render(file: "comments/empty", locale: [:de]) }
assert_equal "<h1>Kein Kommentar</h1>", assert_deprecated { @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_template_with_variants
assert_equal "<h1>No Comment</h1>\n", @view.render(template: "comments/empty", variants: :grid)
end
def test_render_file_with_handlers
assert_equal "<h1>No Comment</h1>\n", assert_deprecated { @view.render(file: "comments/empty", handlers: [:builder]) }
assert_equal "<h1>No Comment</h1>\n", assert_deprecated { @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_raw_is_html_safe_and_does_not_escape_output
buffer = ActiveSupport::SafeBuffer.new
buffer << @view.render(template: "plain_text")
assert_equal true, buffer.html_safe?
assert_equal buffer, "<%= hello_world %>\n"
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_template_with_localization_on_context_level
old_locale, @view.locale = @view.locale, :da
assert_equal "Hey verden", @view.render(template: "test/hello_world")
ensure
@view.locale = old_locale
end
def test_render_template_with_dashed_locale
old_locale, @view.locale = @view.locale, :"pt-BR"
assert_equal "Ola mundo", @view.render(template: "test/hello_world")
ensure
@view.locale = old_locale
end
def test_render_template_at_top_level
assert_equal "Elastica", @view.render(template: "/shared")
end
def test_render_file_with_full_path_no_extension
template_path = File.expand_path("../fixtures/test/hello_world", __dir__)
assert_equal "Hello world!", assert_deprecated { @view.render(file: template_path) }
end
def test_render_file_with_full_path
template_path = File.expand_path("../fixtures/test/hello_world.erb", __dir__)
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", assert_deprecated { @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", assert_deprecated { @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", assert_deprecated { @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_outside_path
assert File.exist?(File.expand_path("../../test/abstract_unit.rb", __dir__))
assert_raises ActionView::MissingTemplate do
@view.render(template: "../\\../test/abstract_unit.rb")
end
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_variants
assert_equal "<h1>Partial with variants</h1>\n", @view.render(partial: "test/partial_with_variants", variants: :grid)
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_number
assert_nothing_raised { @view.render(partial: "test/200") }
end
def test_render_partial_with_missing_filename
assert_raises(ActionView::MissingTemplate) { @view.render(partial: "test/") }
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_starting_with_a_capital
assert_nothing_raised { @view.render(partial: "test/FooBar") }
end
def test_render_partial_with_hyphen
assert_nothing_raised { @view.render(partial: "test/a-in") }
end
def test_render_partial_with_unicode_text
assert_nothing_raised { @view.render(partial: "test/🍣") }
end
def test_render_partial_with_invalid_option_as
e = assert_raises(ArgumentError) { @view.render(partial: "test/partial_only", as: "a-in") }
assert_equal "The value (a-in) of the option `as` is not a valid Ruby identifier; " \
"make sure it starts with lowercase letter, " \
"and is followed by any combination of letters, numbers and underscores.", e.message
end
def test_render_partial_with_hyphen_and_invalid_option_as
e = assert_raises(ArgumentError) { @view.render(partial: "test/a-in", as: "a-in") }
assert_equal "The value (a-in) of the option `as` is not a valid Ruby identifier; " \
"make sure it starts with lowercase letter, " \
"and is followed by any combination of letters, numbers and underscores.", e.message
end
def test_render_template_with_syntax_error
e = assert_raises(ActionView::Template::Error) { @view.render(template: "test/syntax_error") }
assert_match %r!syntax!, e.message
assert_equal "1: <%= foo(", e.annotated_source_code[0].strip
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.annotated_source_code[0].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.annotated_source_code
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_match %r{Trace of template inclusion: .*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) { assert_deprecated { @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.annotated_source_code[0].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"))
assert_equal "FalseClass", @view.render(partial: "test/klass", object: false)
assert_equal "NilClass", @view.render(partial: "test/klass", object: nil)
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_with_partial_name_containing_dot
assert_equal "Hello: davidHello: mary",
@view.render(partial: "test/customer.mobile", 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,local_inspector_iteration",
@view.render(partial: "test/local_inspector", collection: [ Customer.new("mary") ])
end
def test_render_partial_collection_with_different_partials_still_provides_partial_iteration
a = {}
b = {}
def a.to_partial_path; "test/partial_iteration_1"; end
def b.to_partial_path; "test/partial_iteration_2"; end
assert_equal "local-variable\nlocal-variable", @controller_view.render([a, b])
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_collection_for_non_array
customers = Enumerator.new do |y|
y.yield(Customer.new("david"))
y.yield(Customer.new("mary"))
end
assert_equal "Hello: davidHello: mary", @view.render(partial: "test/customer", collection: customers)
end
def test_deprecated_constructor
assert_deprecated do
ActionView::Base.new
end
assert_deprecated do
ActionView::Base.new ["/a"]
end
assert_deprecated do
ActionView::Base.new ActionView::PathSet.new ["/a"]
end
end
def test_without_compiled_method_container_is_deprecated
view = ActionView::Base.with_view_paths(ActionController::Base.view_paths)
assert_deprecated("ActionView::Base instances must implement `compiled_method_container`") do
assert_equal "Hello world!", view.render(template: "test/hello_world")
end
end
def test_render_partial_without_object_does_not_put_partial_name_to_local_assigns
assert_equal "false", @view.render(partial: "test/partial_name_in_local_assigns")
end
def test_render_partial_with_nil_object_puts_partial_name_to_local_assigns
assert_equal "true", @view.render(partial: "test/partial_name_in_local_assigns", object: 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_using_collection_without_path
assert_equal "hi good customer: david0", @controller_view.render([ GoodCustomer.new("david") ], greeting: "hi")
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_instance_of NameError, exception.cause
assert_equal :partial_name_local_variable, exception.cause.name
end
def test_render_partial_with_no_block_given_to_yield
assert_equal "Before (Josh)\n\nAfter", @view.render(partial: "test/layout_for_partial", locals: { name: "Josh" })
end
def test_render_partial_with_non_existent_format_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, source|
"@output_buffer = ''.dup\n" \
"@output_buffer << 'source: #{source.inspect}'\n"
end
def test_render_inline_with_render_from_to_proc
ActionView::Template.register_template_handler :ruby_handler, lambda { |_, source| source }
assert_equal "3", @view.render(inline: "(1 + 2).to_s", type: :ruby_handler)
ensure
ActionView::Template.unregister_template_handler :ruby_handler
end
def test_render_inline_with_render_from_to_proc_deprecated
assert_deprecated do
ActionView::Template.register_template_handler :ruby_handler, :source.to_proc
end
assert_equal "3", @view.render(inline: "(1 + 2).to_s", type: :ruby_handler)
ensure
ActionView::Template.unregister_template_handler :ruby_handler
end
def test_optional_second_arg_works_without_deprecation
assert_not_deprecated do
ActionView::Template.register_template_handler :ruby_handler, ->(view, source = nil) { source }
end
assert_equal "3", @view.render(inline: "(1 + 2).to_s", type: :ruby_handler)
ensure
ActionView::Template.unregister_template_handler :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)
ensure
ActionView::Template.unregister_template_handler :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)
ensure
ActionView::Template.unregister_template_handler :foo
end
def test_render_body
assert_equal "some body", @view.render(body: "some body")
end
def test_render_plain
assert_equal "some plaintext", @view.render(plain: "some plaintext")
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_includes ActionView::Template::Handlers.extensions, :foo
ensure
ActionView::Template.unregister_template_handler :foo
end
def test_render_does_not_use_unregistered_extension_and_template_handler
ActionView::Template.register_template_handler :foo, CustomHandler
ActionView::Template.unregister_template_handler :foo
assert_not ActionView::Template::Handlers.extensions.include?(:foo)
assert_equal "Hello, World!", @view.render(inline: "Hello, World!", type: :foo)
ensure
ActionView::Template::Handlers.class_variable_get(:@@template_handlers).delete(:foo)
end
def test_render_ignores_templates_with_malformed_template_handlers
%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(template: "test/malformed/#{name}") }
end
end
def test_render_with_layout
assert_equal %(<title></title>\nHello world!\n),
@view.render(template: "test/hello_world", layout: "layouts/yield")
end
def test_render_with_layout_which_has_render_inline
assert_equal %(welcome\nHello world!\n),
@view.render(template: "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(template: "test/hello_world", layout: "layouts/yield_with_render_partial_inside")
end
def test_render_partial_with_html_only_extension
assert_equal %(<h1>partial html</h1>\nHello world!\n),
@view.render(template: "test/hello_world", layout: "layouts/render_partial_html")
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_partial_shortcut_with_block_content
assert_equal %(Before (shortcut test)\nBefore\n\n Yielded: arg1/arg2\n\nAfter\nAfter),
@view.render(partial: "test/partial_shortcut_with_block_content", layout: "test/layout_for_partial", locals: { name: "shortcut test" })
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(template: "test/nested_layout", layout: "layouts/yield")
end
def test_render_with_file_in_layout
assert_equal %(\n<title>title</title>\n\n),
@view.render(template: "test/layout_render_file")
end
def test_render_layout_with_object
assert_equal %(<title>David</title>),
@view.render(template: "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)
ensure
ActionView::Template.unregister_template_handler :foo1, :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
def test_render_component
assert_equal(
%(<span title="my title">Hello, World! (Inline render)</span>),
@view.render(TestComponent.new(title: "my title")) { "Hello, World!" }.strip
)
end
def test_render_component_with_validation_error
error = assert_raises(ActiveModel::ValidationError) do
@view.render(TestComponent.new(title: "my title")).strip
end
assert_match "Content can't be blank", error.message
end
end
class CachedViewRenderTest < ActiveSupport::TestCase
include RenderTestCases
# Ensure view path cache is primed
def setup
ActionView::LookupContext::DetailsKey.clear
view_paths = ActionController::Base.view_paths
assert_equal ActionView::OptimizedFileSystemResolver, view_paths.first.class
setup_view(view_paths)
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
ActionView::LookupContext::DetailsKey.clear
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 test_render_utf8_template_with_magic_comment
with_external_encoding Encoding::ASCII_8BIT do
result = @view.render(template: "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(template: "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(template: "test/utf8", formats: [:html], layouts: "layouts/yield") }
assert_match "Your template was not saved as valid Shift_JIS", e.cause.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(template: "test/utf8_magic_with_bare_partial", formats: [:html], layouts: "layouts/yield") }
assert_match "Your template was not saved as valid Shift_JIS", e.cause.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
class CachedCollectionViewRenderTest < ActiveSupport::TestCase
class CachedCustomer < Customer; end
include RenderTestCases
# Ensure view path cache is primed
setup do
ActionView::LookupContext::DetailsKey.clear
view_paths = ActionController::Base.view_paths
assert_equal ActionView::OptimizedFileSystemResolver, view_paths.first.class
ActionView::PartialRenderer.collection_cache = ActiveSupport::Cache::MemoryStore.new
setup_view(view_paths)
end
test "template body written to cache" do
customer = Customer.new("david", 1)
key = cache_key(customer, "test/_customer")
assert_nil ActionView::PartialRenderer.collection_cache.read(key)
@view.render(partial: "test/customer", collection: [customer], cached: true)
assert_equal "Hello: david", ActionView::PartialRenderer.collection_cache.read(key)
end
test "collection caching does not cache by default" do
customer = Customer.new("david", 1)
key = cache_key(customer, "test/_customer")
ActionView::PartialRenderer.collection_cache.write(key, "Cached")
assert_not_equal "Cached",
@view.render(partial: "test/customer", collection: [customer])
end
test "collection caching with partial that doesn't use fragment caching" do
customer = Customer.new("david", 1)
key = cache_key(customer, "test/_customer")
ActionView::PartialRenderer.collection_cache.write(key, "Cached")
assert_equal "Cached",
@view.render(partial: "test/customer", collection: [customer], cached: true)
end
test "collection caching with cached true" do
customer = CachedCustomer.new("david", 1)
key = cache_key(customer, "test/_cached_customer")
ActionView::PartialRenderer.collection_cache.write(key, "Cached")
assert_equal "Cached",
@view.render(partial: "test/cached_customer", collection: [customer], cached: true)
end
test "collection caching does not work on multi-partials" do
a = Object.new
b = Object.new
def a.to_partial_path; "test/partial_iteration_1"; end
def b.to_partial_path; "test/partial_iteration_2"; end
assert_raises(NotImplementedError) do
@controller_view.render(partial: [a, b], cached: true)
end
end
test "collection caching with repeated collection" do
sets = [
[1, 2, 3, 4, 5],
[1, 2, 3, 4, 4],
[1, 2, 3, 4, 5],
[1, 2, 3, 4, 4],
[1, 2, 3, 4, 6]
]
result = @view.render(partial: "test/cached_set", collection: sets, cached: true)
splited_result = result.split("\n")
assert_equal 5, splited_result.count
assert_equal [
"1 | 2 | 3 | 4 | 5",
"1 | 2 | 3 | 4 | 4",
"1 | 2 | 3 | 4 | 5",
"1 | 2 | 3 | 4 | 4",
"1 | 2 | 3 | 4 | 6"
], splited_result
end
private
def cache_key(*names, virtual_path)
digest = ActionView::Digestor.digest name: virtual_path, format: :html, finder: @view.lookup_context, dependencies: []
@view.combined_fragment_cache_key([ "#{virtual_path}:#{digest}", *names ])
end
end