diaspora_federation/spec/support/shared_entity_specs.rb
2015-11-22 23:40:46 +03:00

91 lines
2.7 KiB
Ruby

shared_examples "an Entity subclass" do
it "should be an Entity" do
expect(described_class).to be < DiasporaFederation::Entity
end
it "has its properties set" do
expect(described_class.class_prop_names).to include(*data.keys)
end
context "behaviour" do
let(:instance) { described_class.new(data) }
describe "initialize" do
it "must not create blank instances" do
expect { described_class.new({}) }.to raise_error ArgumentError
end
it "fails if nil was given" do
expect { described_class.new(nil) }.to raise_error ArgumentError, "expected a Hash"
end
it "should be frozen" do
expect(instance).to be_frozen
end
end
describe "#to_h" do
it "should resemble the input data" do
expect(instance.to_h).to eq(data)
end
end
end
end
shared_examples "an XML Entity" do
let(:instance) { described_class.new(data) }
describe "#to_xml" do
it "produces correct XML" do
expect(instance.to_xml.to_s.strip).to eq(xml.strip)
end
end
context "parsing" do
it "reads its own output" do
packed_xml = DiasporaFederation::Salmon::XmlPayload.pack(instance)
parsed_instance = DiasporaFederation::Salmon::XmlPayload.unpack(packed_xml)
check_entity(instance, parsed_instance)
end
end
def check_entity(entity, parsed_entity)
entity.class.class_props.each do |prop_def|
name = prop_def[:name]
validate_values(entity.send(name), parsed_entity.send(name), prop_def[:type])
end
end
def validate_values(value, parsed_value, type)
if value.nil?
expect(parsed_value).to be_nil
elsif type == String
expect(parsed_value).to eq(value.to_s)
elsif type.instance_of?(Array)
value.each_with_index {|entity, index| check_entity(entity, parsed_value[index]) }
elsif type.ancestors.include?(DiasporaFederation::Entity)
check_entity(value, parsed_value)
end
end
end
shared_examples "a relayable Entity" do
let(:instance) { described_class.new(data.merge(author_signature: nil, parent_author_signature: nil)) }
context "signatures generation" do
it "computes correct signatures for the entity" do
hash = instance.to_h
xml = DiasporaFederation::Salmon::XmlPayload.pack(instance)
author_signature = xml.at_xpath("post/*[1]/author_signature").text
parent_author_signature = xml.at_xpath("post/*[1]/parent_author_signature").text
expect(DiasporaFederation::Signing.verify_signature(hash, author_signature, test_pkey))
.to be_truthy
expect(DiasporaFederation::Signing.verify_signature(hash, parent_author_signature, test_pkey))
.to be_truthy
end
end
end