assert_routing(path, options, defaults = {}, extras = {}, message = nil) public

Asserts that path and options match both ways; in other words, it verifies that path generates options and then that options generates path. This essentially combines assert_recognizes and assert_generates into one step.

The extras hash allows you to specify options that would normally be provided as a query string to the action. The message parameter allows you to specify a custom error message to display upon failure.

# Asserts a basic route: a controller with the default action (index) assert_routing '/home', controller: 'home', action: 'index' # Test a route generated with a specific controller, action, and parameter (id) assert_routing '/entries/show/23', controller: 'entries', action: 'show', id: 23 # Asserts a basic route (controller + default action), with an error message if it fails assert_routing '/store', { controller: 'store', action: 'index' }, {}, {}, 'Route for store index not generated properly' # Tests a route, providing a defaults hash assert_routing 'controller/action/9', {id: "9", item: "square"}, {controller: "controller", action: "action"}, {}, {item: "square"} # Tests a route with an HTTP method assert_routing({ method: 'put', path: '/product/321' }, { controller: "product", action: "update", id: "321" })
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November 16, 2011
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Examples in a readable format :)

Here are the above examples in a somewhat more readable format:

# Assert a basic route: a controller with the default action (index)  assert_routing ‘/home’, :controller => ‘home’, :action => ‘index’ # Test a route generated with a specific controller, action, and parameter (id)  assert_routing ‘/entries/show/23’, :controller => ‘entries’, :action => ‘show’, :id => 23 # Assert a basic route (controller + default action), with an error message if it fails  assert_routing ‘/store’, { :controller => ‘store’, :action => ‘index’ }, {}, {}, ‘Route for store index not generated properly’ # Tests a route, providing a defaults hash  assert_routing ‘controller/action/9’, {:id => “9”, :item => “square”}, {:controller => “controller”, :action => “action”}, {}, {:item => “square”} # Tests a route with a HTTP method  assert_routing({ :method => ‘put’, :path => ‘/product/321’ }, { :controller => “product”, :action => “update”, :id => “321” })