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require File.dirname(__FILE__) + '/../test_helper'
require 'sass/callbacks'
class CallerBack
extend Sass::Callbacks
define_callback :foo
define_callback :bar
def do_foo
run_foo
end
def do_bar
run_bar 12
end
end
module ClassLevelCallerBack
extend Sass::Callbacks
define_callback :foo
extend self
def do_foo
run_foo
end
end
class SassCallbacksTest < Minitest::Test
def test_simple_callback
cb = CallerBack.new
there = false
cb.on_foo {there = true}
cb.do_foo
assert there, "Expected callback to be called."
end
def test_multiple_callbacks
cb = CallerBack.new
str = ""
cb.on_foo {str += "first"}
cb.on_foo {str += " second"}
cb.do_foo
assert_equal "first second", str
end
def test_callback_with_arg
cb = CallerBack.new
val = nil
cb.on_bar {|a| val = a}
cb.do_bar
assert_equal 12, val
end
def test_class_level_callback
there = false
ClassLevelCallerBack.on_foo {there = true}
ClassLevelCallerBack.do_foo
assert there, "Expected callback to be called."
end
end
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