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# frozen_string_literal: true
require 'rails_helper'
describe JsonLdHelper do
describe '#equals_or_includes?' do
it 'returns true when value equals' do
expect(helper.equals_or_includes?('foo', 'foo')).to be true
end
it 'returns false when value does not equal' do
expect(helper.equals_or_includes?('foo', 'bar')).to be false
end
it 'returns true when value is included' do
expect(helper.equals_or_includes?(%w(foo baz), 'foo')).to be true
end
it 'returns false when value is not included' do
expect(helper.equals_or_includes?(%w(foo baz), 'bar')).to be false
end
end
describe '#first_of_value' do
context 'value.is_a?(Array)' do
it 'returns value.first' do
value = ['a']
expect(helper.first_of_value(value)).to be 'a'
end
end
context '!value.is_a?(Array)' do
it 'returns value' do
value = 'a'
expect(helper.first_of_value(value)).to be 'a'
end
end
end
describe '#supported_context?' do
context "!json.nil? && equals_or_includes?(json['@context'], ActivityPub::TagManager::CONTEXT)" do
it 'returns true' do
json = { '@context' => ActivityPub::TagManager::CONTEXT }.as_json
expect(helper.supported_context?(json)).to be true
end
end
context 'else' do
it 'returns false' do
json = nil
expect(helper.supported_context?(json)).to be false
end
end
end
describe '#fetch_resource' do
context 'when the second argument is false' do
it 'returns resource even if the retrieved ID and the given URI does not match' do
stub_request(:get, 'https://bob.test/').to_return body: '{"id": "https://alice.test/"}'
stub_request(:get, 'https://alice.test/').to_return body: '{"id": "https://alice.test/"}'
expect(fetch_resource('https://bob.test/', false)).to eq({ 'id' => 'https://alice.test/' })
end
it 'returns nil if the object identified by the given URI and the object identified by the retrieved ID does not match' do
stub_request(:get, 'https://mallory.test/').to_return body: '{"id": "https://marvin.test/"}'
stub_request(:get, 'https://marvin.test/').to_return body: '{"id": "https://alice.test/"}'
expect(fetch_resource('https://mallory.test/', false)).to be_nil
end
end
context 'when the second argument is true' do
it 'returns nil if the retrieved ID and the given URI does not match' do
stub_request(:get, 'https://mallory.test/').to_return body: '{"id": "https://alice.test/"}'
expect(fetch_resource('https://mallory.test/', true)).to be_nil
end
end
end
describe '#fetch_resource_without_id_validation' do
it 'returns nil if the status code is not 200' do
stub_request(:get, 'https://host.test/').to_return status: 400, body: '{}'
expect(fetch_resource_without_id_validation('https://host.test/')).to be_nil
end
it 'returns hash' do
stub_request(:get, 'https://host.test/').to_return status: 200, body: '{}'
expect(fetch_resource_without_id_validation('https://host.test/')).to eq({})
end
end
context 'compaction and forwarding' do
let(:json) do
{
'@context' => [
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
{
'obsolete' => 'http://ostatus.org#',
'convo' => 'obsolete:conversation',
'new' => 'https://obscure-unreleased-test.joinmastodon.org/#',
},
],
'type' => 'Create',
'to' => ['https://www.w3.org/ns/activitystreams#Public'],
'object' => {
'id' => 'https://example.com/status',
'type' => 'Note',
'inReplyTo' => nil,
'convo' => 'https://example.com/conversation',
'tag' => [
{
'type' => 'Mention',
'href' => ['foo'],
},
],
},
'signature' => {
'type' => 'RsaSignature2017',
'created' => '2022-02-02T12:00:00Z',
'creator' => 'https://example.com/actor#main-key',
'signatureValue' => 'some-sig',
},
}
end
describe '#compact' do
it 'properly compacts JSON-LD with alternative context definitions' do
expect(compact(json).dig('object', 'conversation')).to eq 'https://example.com/conversation'
end
it 'compacts single-item arrays' do
expect(compact(json).dig('object', 'tag', 'href')).to eq 'foo'
end
it 'compacts the activistreams Public collection' do
expect(compact(json)['to']).to eq 'as:Public'
end
it 'properly copies signature' do
expect(compact(json)['signature']).to eq json['signature']
end
end
describe 'patch_for_forwarding!' do
it 'properly patches incompatibilities' do
json['object'].delete('convo')
compacted = compact(json)
patch_for_forwarding!(json, compacted)
expect(compacted['to']).to eq ['https://www.w3.org/ns/activitystreams#Public']
expect(compacted.dig('object', 'tag', 0, 'href')).to eq ['foo']
expect(safe_for_forwarding?(json, compacted)).to be true
end
end
describe 'safe_for_forwarding?' do
it 'deems a safe compacting as such' do
json['object'].delete('convo')
compacted = compact(json)
deemed_compatible = patch_for_forwarding!(json, compacted)
expect(compacted['to']).to eq ['https://www.w3.org/ns/activitystreams#Public']
expect(safe_for_forwarding?(json, compacted)).to be true
end
it 'deems an unsafe compacting as such' do
compacted = compact(json)
deemed_compatible = patch_for_forwarding!(json, compacted)
expect(compacted['to']).to eq ['https://www.w3.org/ns/activitystreams#Public']
expect(safe_for_forwarding?(json, compacted)).to be false
end
end
end
end
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