Use FixtureResolver in your tests to simulate the presence of files on the file system. This is used internally by Rails’ own test suite, and is useful for testing extensions that have no way of knowing what the file system will look like at runtime.

Methods
N
T
Attributes
[R] hash
Class Public methods
new(hash = {}, pattern=nil)

Source: show | on GitHub 

# File actionpack/lib/action_view/testing/resolvers.rb, line 11
def initialize(hash = {}, pattern=nil)
  super(pattern)
  @hash = hash
end
Instance Public methods
to_s()

Source: show | on GitHub 

# File actionpack/lib/action_view/testing/resolvers.rb, line 16
def to_s
  @hash.keys.join(', ')
end