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Versions: 11
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Contents
require 'helper.rb'
module BibTeX
class FiltersTest < Minitest::Spec
it "should Filters should be singleton classes" do
assert_equal false, Filter.respond_to?(:new)
assert_equal Filter.instance.object_id, Filter.instance.object_id
end
describe 'Filters.resolve' do
it "should return the filter if a filter is given" do
assert_equal Filter.instance.object_id, Filters.resolve(Filter.instance).object_id
end
it "should return the parameter if it quacks like a filter" do
f = Object.new
def f.apply; nil; end
assert_equal f.object_id, Filters.resolve(f).object_id
end
it "should return the filter if there is a filter by that name" do
class FooBar < Filter; end
assert_equal FooBar.instance.object_id, Filters.resolve(:foobar).object_id
assert_equal FooBar.instance.object_id, Filters.resolve('foobar').object_id
Filter.subclasses.delete(FooBar)
end
it "should return nil if there is no filter by that name" do
assert_equal nil, Filters.resolve(:foobar)
assert_equal nil, Filters.resolve('foobar')
assert_equal nil, Filters.resolve(nil)
end
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems