debian-mirror-gitlab/spec/lib/declarative_policy/overrides_spec.rb

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2020-07-28 23:09:34 +05:30
# frozen_string_literal: true
require 'fast_spec_helper'
require_dependency 'rspec-parameterized'
RSpec.describe 'DeclarativePolicy overrides' do
let(:foo_policy) do
Class.new(DeclarativePolicy::Base) do
condition(:foo_prop_cond) { @subject.foo_prop }
rule { foo_prop_cond }.policy do
enable :common_ability
enable :foo_prop_ability
end
end
end
let(:bar_policy) do
Class.new(DeclarativePolicy::Base) do
delegate { @subject.foo }
overrides :common_ability
condition(:bar_prop_cond) { @subject.bar_prop }
rule { bar_prop_cond }.policy do
enable :common_ability
enable :bar_prop_ability
end
rule { bar_prop_cond & can?(:foo_prop_ability) }.policy do
enable :combined_ability
end
end
end
before do
stub_const('Foo', Struct.new(:foo_prop))
stub_const('FooPolicy', foo_policy)
stub_const('Bar', Struct.new(:foo, :bar_prop))
stub_const('BarPolicy', bar_policy)
end
where(:foo_prop, :bar_prop) do
[
[true, true],
[true, false],
[false, true],
[false, false]
]
end
with_them do
let(:foo) { Foo.new(foo_prop) }
let(:bar) { Bar.new(foo, bar_prop) }
it 'determines the correct bar_prop_ability (non-delegated) permissions for bar' do
policy = DeclarativePolicy.policy_for(nil, bar)
expect(policy.allowed?(:bar_prop_ability)).to eq(bar_prop)
end
it 'determines the correct foo_prop (non-overridden) permissions for bar' do
policy = DeclarativePolicy.policy_for(nil, bar)
expect(policy.allowed?(:foo_prop_ability)).to eq(foo_prop)
end
it 'determines the correct common_ability (overridden) permissions for bar' do
policy = DeclarativePolicy.policy_for(nil, bar)
expect(policy.allowed?(:common_ability)).to eq(bar_prop)
end
it 'determines the correct common_ability permissions for foo' do
policy = DeclarativePolicy.policy_for(nil, foo)
expect(policy.allowed?(:common_ability)).to eq(foo_prop)
end
it 'allows combinations of overridden and inherited values' do
policy = DeclarativePolicy.policy_for(nil, bar)
expect(policy.allowed?(:combined_ability)).to eq(foo_prop && bar_prop)
end
end
end