Flowdock
method

assert_routing

Importance_2
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.

# 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" })
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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_routingcontroller/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” })