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require "abstract_unit"
class AjaxTestCase < ActionView::TestCase
include ActionView::Helpers::AjaxHelper
def url_for(options)
case options
when Hash
"/url/hash"
when String
options
else
raise TypeError.new("Unsupported url type (#{options.class}) for this test helper")
end
end
def assert_html(html, matches)
matches.each do |match|
assert_match Regexp.new(Regexp.escape(match)), html
end
end
def assert_html_not_present(html, matches)
matches.each do |match|
assert_no_match Regexp.new(Regexp.escape(match)), html
end
end
def self.assert_callbacks_work(&blk)
define_method(:assert_callbacks_work, &blk)
[:complete, :failure, :success, :interactive, :loaded, :loading, 404].each do |callback|
test "#{callback} callback" do
markup = assert_callbacks_work(callback)
assert_html markup, %W(data-#{callback}-code="undoRequestCompleted\(request\)")
end
end
end
end
class LinkToRemoteTest < AjaxTestCase
def url_for(hash)
"/blog/destroy/4"
end
def link(options = {})
link_to_remote("Delete this post", "/blog/destroy/4", options)
end
test "with no update" do
assert_html link, %w(href="/blog/destroy/4" Delete\ this\ post data-remote="true")
end
test "basic" do
assert_html link(:update => "#posts"),
%w(data-update-success="#posts")
end
test "using a url hash" do
link = link_to_remote("Delete this post", {:controller => :blog}, :update => "#posts")
assert_html link, %w(href="/url/hash" data-update-success="#posts")
end
test "with no update" do
assert_html link, %w(href="/blog/destroy/4" Delete\ this\ post data-js-type="remote")
end
test "with :html options" do
expected = %{<a href="/blog/destroy/4" data-custom="me" data-js-type="remote" data-update-success="#posts">Delete this post</a>}
assert_equal expected, link(:update => "#posts", :html => {"data-custom" => "me"})
end
test "with a hash for :update" do
link = link(:update => {:success => "#posts", :failure => "#error"})
assert_html link, %w(data-js-type="remote" data-update-success="#posts" data-update-failure="#error")
end
test "with positional parameters" do
link = link(:position => :top, :update => "#posts")
assert_match /data\-update\-position="top"/, link
end
test "with an optional method" do
link = link(:method => "delete")
assert_match /data-method="delete"/, link
end
class LegacyLinkToRemoteTest < AjaxTestCase
include ActionView::Helpers::AjaxHelper::Rails2Compatibility
def link(options)
link_to_remote("Delete this post", "/blog/destroy/4", options)
end
test "basic link_to_remote with :url =>" do
expected = %{<a href="/blog/destroy/4" data-js-type="remote" data-update-success="#posts">Delete this post</a>}
assert_equal expected,
link_to_remote("Delete this post", :url => "/blog/destroy/4", :update => "#posts")
end
assert_callbacks_work do |callback|
link(callback => "undoRequestCompleted(request)")
end
end
end
class FormRemoteTagTest < AjaxTestCase
def protect_against_forgery?
false
end
def request_forgery_protection_token
"token_name"
end
def form_authenticity_token
"t0k3n"
end
def authenticity_input_attributes
%w(input type="hidden" name="token_name" value="t0k3n")
end
# TODO: Play with using assert_dom_equal
test "basic" do
assert_dom_equal %(<form action="/url/hash" method="post" data-js-type="remote" data-update-success="#glass_of_beer">),
form_remote_tag(:update => "#glass_of_beer", :url => { :action => :fast })
end
test "when protect_against_forgery? is true" do
def protect_against_forgery?
true
end
expected_form_attributes = %w(form action="/url/hash" method="post" data-js-type="remote" data-update-success="#glass_of_beer")
expected_patterns = expected_form_attributes + authenticity_input_attributes
assert_equal true, protect_against_forgery?
assert_html form_remote_tag(:update => "#glass_of_beer", :url => { :action => :fast }), expected_patterns
end
test ":action is used when it is present" do
html = form_remote_tag(:update => "#glass_of_beer", :action => "foo")
assert_html html, %w(form action="foo" method="post" data-js-type="remote" data-update-success="#glass_of_beer")
assert_no_match /url="foo"/, html
end
test ":url is used when :action is not present" do
html = form_remote_tag(:update => "#glass_of_beer", :url => "bar")
assert_html html, %w(form action="bar" method="post" data-js-type="remote" data-update-success="#glass_of_beer")
assert_no_match /url="bar"/, html
end
test "when protect_against_forgery? is false" do
assert_equal false, protect_against_forgery?
assert_html_not_present form_remote_tag(:update => "#glass_of_beer", :url => { :action => :fast }),
authenticity_input_attributes
end
test "update callbacks" do
assert_html form_remote_tag(:update => { :success => "#glass_of_beer" }, :url => { :action => :fast }),
%w(form action="/url/hash" method="post" data-js-type="remote" data-update-success="#glass_of_beer")
assert_html form_remote_tag(:update => { :failure => "#glass_of_water" }, :url => { :action => :fast }),
%w(form action="/url/hash" method="post" data-js-type="remote" data-update-failure="#glass_of_water")
assert_html form_remote_tag(:update => { :success => "#glass_of_beer", :failure => "#glass_of_water" }, :url => { :action => :fast }),
%w(form action="/url/hash" method="post" data-js-type="remote" data-update-success="#glass_of_beer" data-update-failure="#glass_of_water")
end
test "using a :method option" do
expected_form_attributes = %w(form action="/url/hash" method="post" data-js-type="remote" data-update-success="#glass_of_beer")
# TODO: Experiment with not using this _method param. Apparently this is done to address browser incompatibilities, but since
# we have a layer between the HTML and the JS libs now, we can probably get away with letting JS the JS libs handle the requirement
# for an extra field if needed.
expected_input_attributes = %w(input name="_method" type="hidden" value="put")
assert_html form_remote_tag(:update => "#glass_of_beer", :url => { :action => :fast }, :html => { :method => :put }),
expected_form_attributes + expected_input_attributes
end
# FIXME: This test is janky as hell. We are essentially rewriting capture and concat and they don't really work right
# because output is out of order. This test passes because it's only doing a regex match on the buffer, but this really
# needs to be fixed by using the real helper methods that rails provides. capture, concat, url_for etc. should be
# implemented by their *real* methods or we need to find a better workaround so that our tests aren't written so
# poorly. - BR
test "form_remote_tag with block in erb" do
def capture(*args, &block)
@buffer = []
block.call(*args) if block_given?
end
def concat(str)
@buffer << str
end
expected_form_attributes = %w(form action="/url/hash" method="post" data-js-type="remote" data-update-success="#glass_of_beer" /form)
expected_inner_html = %w(w00t!)
form_remote_tag(:update => "#glass_of_beer", :url => { :action => :fast }) { concat expected_inner_html }
assert_html @buffer.to_s,
expected_form_attributes + expected_inner_html
end
class Author
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
def save; @id = 1 end
def new_record?; @id.nil? end
def name
@id.nil? ? 'new author' : "author ##{@id}"
end
end
class Article
extend ActiveModel::Naming
include ActiveModel::Conversion
attr_reader :id
attr_reader :author_id
def save; @id = 1; @author_id = 1 end
def new_record?; @id.nil? end
def name
@id.nil? ? 'new article' : "article ##{@id}"
end
end
class ExtractRemoteAttributesTest < AjaxTestCase
attr_reader :attributes
test "extract_remote_attributes! html" do
attributes = extract_remote_attributes!(:html => { :class => "css_klass", :style => "border:1px solid"})
assert_equal "css_klass", attributes[:class]
assert_equal "border:1px solid", attributes[:style]
end
test "extract_remote_attributes! update options when :update is a hash" do
attributes = extract_remote_attributes!(:update => { :success => "foo", :failure => "bar" })
assert_equal "foo", attributes["data-update-success"]
assert_equal "bar", attributes["data-update-failure"]
end
test "extract_remote_attributes! update options when :update is string" do
attributes = extract_remote_attributes!(:update => "baz")
assert_equal "baz", attributes["data-update-success"]
end
test "extract_remote_attributes! position" do
attributes = extract_remote_attributes!(:position => "before")
assert_equal "before", attributes["data-update-position"]
end
test "extract_remote_attributes! data-js-type when it is NOT passed" do
attributes = extract_remote_attributes!({})
assert_equal "remote", attributes["data-js-type"]
end
test "extract_remote_attributes! data-js-type when it passed" do
attributes = extract_remote_attributes!(:js_type => "some_type")
assert_equal "some_type", attributes["data-js-type"]
end
end
class RemoteFormForTest < AjaxTestCase
def setup
super
@record = @author = Author.new
@article = Article.new
end
test "remote_form_for with record identification with new record" do
remote_form_for(@record, {:html => { :id => 'create-author' }}) {}
expected = %(<form action="/authors" data-js-type="remote" class="new_author" id="create-author" method="post"></form>)
assert_dom_equal expected, output_buffer
end
test "remote_form_for with record identification without html options" do
remote_form_for(@record) {}
expected = %(<form action="/authors" data-js-type="remote" class="new_author" id="new_author" method="post"></form>)
assert_dom_equal expected, output_buffer
end
test "remote_form_for with record identification with existing record" do
@record.save
remote_form_for(@record) {}
expected = %(<form action="/authors/1" data-js-type="remote" class="edit_author" id="edit_author_1" method="post"><div style="margin:0;padding:0;display:inline"><input name="_method" type="hidden" value="put" /></div></form>)
assert_dom_equal expected, output_buffer
end
test "remote_form_for with new object in list" do
remote_form_for([@author, @article]) {}
expected = %(<form action="#{author_articles_path(@author)}" class="new_article" method="post" id="new_article" data-js-type="remote"></form>)
assert_dom_equal expected, output_buffer
end
test "remote_form_for with existing object in list" do
@author.save
@article.save
remote_form_for([@author, @article]) {}
expected = %(<form action='#{author_article_path(@author, @article)}' id='edit_article_1' method='post' class='edit_article' data-js-type="remote"><div style='margin:0;padding:0;display:inline'><input name='_method' type='hidden' value='put' /></div></form>)
assert_dom_equal expected, output_buffer
end
protected
def author_path(record)
"/authors/#{record.id}"
end
def authors_path
"/authors"
end
def author_articles_path(author)
"/authors/#{author.id}/articles"
end
def author_article_path(author, article)
"/authors/#{author.id}/articles/#{article.id}"
end
end
class ButtonToRemoteTest < AjaxTestCase
def button(options, html = {})
button_to_remote("Remote outpost", options, html)
end
def url_for(*)
"/whatnot"
end
class StandardTest < ButtonToRemoteTest
test "basic" do
assert_html button({:url => {:action => "whatnot"}}, {:class => "fine", :value => "RemoteOutpost"}),
%w(input class="fine" type="button" value="RemoteOutpost" data-url="/url/hash")
end
end
class LegacyButtonToRemoteTest < ButtonToRemoteTest
include ActionView::Helpers::AjaxHelper::Rails2Compatibility
assert_callbacks_work do |callback|
button(callback => "undoRequestCompleted(request)")
end
end
end
class ScriptDecoratorTest < AjaxTestCase
def decorator()
script_decorator("data-js-type" => "foo_type", "data-foo" => "bar", "data-baz" => "bang")
end
test "basic" do
expected = %(<script type="application/json" data-js-type="foo_type" data-foo="bar" data-baz="bang"></script>)
assert_dom_equal expected, decorator
end
end
class ObserveFieldTest < AjaxTestCase
def protect_against_forgery?
false
end
def field(options = {})
observe_field("title", options)
end
test "basic" do
assert_html field,
%w(script type="application/json" data-js-type="field_observer")
end
test "using a url string" do
assert_html field(:url => "/some/other/url"),
%w(script data-url="/some/other/url" data-name="title")
end
test "using a url hash" do
assert_html field(:url => {:controller => :blog, :action => :update}),
%w(script data-url="/url/hash" data-name="title")
end
test "using a :frequency option" do
assert_html field(:url => { :controller => :blog }, :frequency => 5.minutes),
%w(script data-url="/url/hash" data-name="title" data-frequency="300")
end
test "using a :frequency option of 0" do
assert_no_match /frequency/, field(:frequency => 0)
end
test "observe field with common options" do
assert_html observe_field("glass", :frequency => 5.minutes, :url => { :action => "reorder_if_empty" }),
%w(script data-name="glass" data-frequency="300" data-url="/url/hash")
end
# TODO: Consider using JSON instead of strings. Is using 'value' as a magical reference to the value of the observed field weird? (Rails2 does this) - BR
test "using a :with option" do
assert_html field(:with => "foo"),
%w(script data-name="title" data-with="'foo=' + encodeURIComponent(value)")
assert_html field(:with => "'foo=' + encodeURIComponent(value)"),
%w(script data-name="title" data-with="'foo=' + encodeURIComponent(value)")
end
test "using json in a :with option" do
assert_html field(:with => "{'id':value}"),
%w(script data-name="title" data-with="{'id':value}")
end
test "using :function for callback" do
assert_html field(:function => "alert('Element changed')"),
%w(script data-observer-code="function(element, value) {alert('Element changed')}")
end
end
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