Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActionDispatch::Assertions::RoutingAssertions
assert_generates(expected_path, options, defaults={}, extras = {}, message=nil) public

Asserts that the provided options can be used to generate the provided path. This is the inverse of assert_recognizes. The extras parameter is used to tell the request the names and values of additional request parameters that would be in a query string. The message parameter allows you to specify a custom error message for assertion failures.

The defaults parameter is unused.

# Asserts that the default action is generated for a route with no action
assert_generates "/items", controller: "items", action: "index"

# Tests that the list action is properly routed
assert_generates "/items/list", controller: "items", action: "list"

# Tests the generation of a route with a parameter
assert_generates "/items/list/1", { controller: "items", action: "list", id: "1" }

# Asserts that the generated route gives us our custom route
assert_generates "changesets/12", { controller: 'scm', action: 'show_diff', revision: "12" }
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