94 lines
3 KiB
Ruby
94 lines
3 KiB
Ruby
shared_examples "an Entity subclass" do |ignored_props=[]|
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it "should be an Entity" do
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expect(described_class).to be < DiasporaFederation::Entity
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end
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it "has its properties set" do
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expect(described_class.class_props.keys).to include(*(data.keys - ignored_props))
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end
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context "behaviour" do
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let(:instance) { described_class.new(data) }
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describe "initialize" do
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it "must not create blank instances" do
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expect { described_class.new({}) }.to raise_error ArgumentError
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end
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it "fails if nil was given" do
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expect { described_class.new(nil) }.to raise_error ArgumentError, "expected a Hash"
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end
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it "should be frozen" do
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expect(instance).to be_frozen
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end
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end
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describe "#to_h" do
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it "should resemble the input data" do
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hash = instance.to_h
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ignored_props.each {|key| data.delete(key) }
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expect(hash).to eq(data)
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end
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end
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end
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end
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shared_examples "an XML Entity" do |ignored_props=[]|
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let(:instance) { described_class.new(data) }
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describe "#to_xml" do
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it "produces correct XML" do
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expect(instance.to_xml.to_s.strip).to eq(xml.strip)
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end
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end
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context "parsing" do
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it "reads its own output" do
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packed_xml = DiasporaFederation::Salmon::XmlPayload.pack(instance)
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parsed_instance = DiasporaFederation::Salmon::XmlPayload.unpack(packed_xml)
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check_entity(instance, parsed_instance, ignored_props)
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end
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end
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def check_entity(entity, parsed_entity, ignored_props=[])
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entity.class.class_props.each do |name, type|
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validate_values(entity.send(name), parsed_entity.send(name), type) unless ignored_props.include?(name)
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end
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end
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def validate_values(value, parsed_value, type)
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if value.nil?
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expect(parsed_value).to be_nil
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elsif type == String
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expect(parsed_value).to eq(value.to_s)
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elsif type.instance_of?(Array)
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value.each_with_index {|entity, index| check_entity(entity, parsed_value[index]) }
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elsif type.ancestors.include?(DiasporaFederation::Entity)
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check_entity(value, parsed_value)
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end
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end
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end
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shared_examples "a relayable Entity" do
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let(:instance) { described_class.new(data.merge(author_signature: nil, parent_author_signature: nil)) }
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context "signatures generation" do
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def verify_signature(pubkey, signature, signed_string)
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pubkey.verify(OpenSSL::Digest::SHA256.new, Base64.decode64(signature), signed_string)
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end
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it "computes correct signatures for the entity" do
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signed_string = described_class::LEGACY_SIGNATURE_ORDER.map {|name| data[name] }.join(";")
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xml = DiasporaFederation::Salmon::XmlPayload.pack(instance)
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author_signature = xml.at_xpath("post/*[1]/author_signature").text
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parent_author_signature = xml.at_xpath("post/*[1]/parent_author_signature").text
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expect(verify_signature(alice.public_key, author_signature, signed_string)).to be_truthy
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expect(verify_signature(bob.public_key, parent_author_signature, signed_string)).to be_truthy
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end
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end
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end
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