diff options
| -rw-r--r-- | actionpack/lib/action_dispatch/testing/assertions/selector.rb | 14 | ||||
| -rw-r--r-- | guides/source/testing.md | 6 |
2 files changed, 15 insertions, 5 deletions
diff --git a/actionpack/lib/action_dispatch/testing/assertions/selector.rb b/actionpack/lib/action_dispatch/testing/assertions/selector.rb index 5338278810..feb98f7e2b 100644 --- a/actionpack/lib/action_dispatch/testing/assertions/selector.rb +++ b/actionpack/lib/action_dispatch/testing/assertions/selector.rb @@ -35,7 +35,8 @@ module ActionDispatch # root element and any of its children. # Returns empty Nokogiri::XML::NodeSet if no match is found. # - # The selector may be a CSS selector expression (String). + # The selector may be a CSS selector expression (String) or an expression + # with substitution values (Array). # # # Selects all div tags # divs = css_select("div") @@ -96,7 +97,8 @@ module ActionDispatch # assert_select "li", 8 # end # - # The selector may be a CSS selector expression (String). + # The selector may be a CSS selector expression (String) or an expression + # with substitution values (Array). # # === Equality Tests # @@ -145,6 +147,14 @@ module ActionDispatch # # # Test the content and style # assert_select "body div.header ul.menu" + # + # # Use substitution values + # assert_select "ol>li#?", /item-\d+/ + # + # # All input fields in the form have a name + # assert_select "form input" do + # assert_select "[name=?]", /.+/ # Not empty + # end def assert_select(*args, &block) @selected ||= nil diff --git a/guides/source/testing.md b/guides/source/testing.md index 5f07f0cc93..5825ee1074 100644 --- a/guides/source/testing.md +++ b/guides/source/testing.md @@ -597,13 +597,13 @@ end Testing the response to your request by asserting the presence of key HTML elements and their content is a useful way to test the views of your application. The `assert_select` assertion allows you to do this by using a simple yet powerful syntax. -NOTE: You may find references to `assert_tag` in other documentation. This has been removed in 4.1. Use `assert_select` instead. +NOTE: You may find references to `assert_tag` in other documentation. This has been removed in 4.2. Use `assert_select` instead. There are two forms of `assert_select`: `assert_select(selector, [equality], [message])` ensures that the equality condition is met on the selected elements through the selector. The selector may be a CSS selector expression (String) or an expression with substitution values. -`assert_select(element, selector, [equality], [message])` ensures that the equality condition is met on all the selected elements through the selector starting from the _element_ (instance of `Nokogiri::XML::Node`) and its descendants. +`assert_select(element, selector, [equality], [message])` ensures that the equality condition is met on all the selected elements through the selector starting from the _element_ (instance of `Nokogiri::XML::Node` or `Nokogiri::XML::NodeSet`) and its descendants. For example, you could verify the contents on the title element in your response with: @@ -633,7 +633,7 @@ assert_select "ol" do end ``` -The `assert_select` assertion is quite powerful. For more advanced usage, refer to its [documentation](http://api.rubyonrails.org/classes/ActionDispatch/Assertions/SelectorAssertions.html). +The `assert_select` assertion is quite powerful. For more advanced usage, refer to its [documentation](https://github.com/rails/rails-dom-testing/blob/master/lib/rails/dom/testing/assertions/selector_assertions.rb). #### Additional View-Based Assertions |