# encoding: utf-8

require 'spec_helper'

require 'github_api/core_ext/hash'

describe Github::ParameterFilter, '#filter!' do

let(:hash) { { :a => { :b => { :c => 1 } } } }

let(:klass) {

Class.new do

include Github::ParameterFilter

end

}

subject(:instance) { klass.new }

it 'removes unwanted keys from hash' do

instance.filter!([:a], hash)

expect(hash.deep_key?(:a)).to be_true

expect(hash.deep_key?(:b)).to be_false

expect(hash.deep_key?(:c)).to be_false

end

it 'recursively filters inputs tree' do

instance.filter!([:a, :b], hash)

expect(hash.deep_key?(:c)).to be_false

end

it 'filters inputs tree only on top level' do

instance.filter!([:a, :b], hash, :recursive => false)

expect(hash.deep_key?(:c)).to be_true

end

end # Github::ParameterFilter