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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Spam::AkismetService do
let(:fake_akismet_client) { double(:akismet_client) }
let(:ip) { '1.2.3.4' }
let(:user_agent) { 'some user_agent' }
let(:referer) { 'some referer' }
let_it_be(:text) { "Would you like to buy some tinned meat product?" }
let_it_be(:spam_owner) { create(:user) }
subject do
options = { ip_address: ip, user_agent: user_agent, referer: referer }
described_class.new(spam_owner.name, spam_owner.email, text, options)
end
before do
stub_application_setting(akismet_enabled: true)
allow(subject).to receive(:akismet_client).and_return(fake_akismet_client)
end
shared_examples 'no activity if Akismet is not enabled' do |method_call|
before do
stub_application_setting(akismet_enabled: false)
end
it 'is automatically false' do
expect(subject.send(method_call)).to be_falsey
end
it 'performs no check' do
expect(fake_akismet_client).not_to receive(:public_send)
subject.send(method_call)
end
end
shared_examples 'false if Akismet is not available' do |method_call|
context 'if Akismet is not available' do
before do
allow(fake_akismet_client).to receive(:public_send).and_raise(StandardError.new("oh noes!"))
end
specify do
expect(subject.send(method_call)).to be_falsey
end
it 'logs an error' do
expect(Gitlab::AppLogger).to receive(:error).with(/skipping/)
subject.send(method_call)
end
end
end
describe '#spam?' do
it_behaves_like 'no activity if Akismet is not enabled', :spam?, :check
context 'if Akismet is enabled' do
it 'correctly transforms options for the akismet client' do
expected_check_params = {
type: 'comment',
text: text,
created_at: anything,
author: spam_owner.name,
author_email: spam_owner.email,
# NOTE: The akismet_client needs the option to be named `:referrer`, not `:referer`
referrer: referer
}
expect(fake_akismet_client).to receive(:check).with(ip, user_agent, expected_check_params)
subject.spam?
end
context 'the text is spam' do
before do
allow(fake_akismet_client).to receive(:check).and_return([true, false])
end
specify do
expect(subject.spam?).to be_truthy
end
end
context 'the text is blatant spam' do
before do
allow(fake_akismet_client).to receive(:check).and_return([false, true])
end
specify do
expect(subject.spam?).to be_truthy
end
end
context 'the text is not spam' do
before do
allow(fake_akismet_client).to receive(:check).and_return([false, false])
end
specify do
expect(subject.spam?).to be_falsey
end
end
describe 'error handling' do
before do
allow(fake_akismet_client).to receive(:check).and_raise(error)
end
context 'StandardError other than ArgumentError is raised' do
let(:error) { Akismet::Error.new("Lovely spam! Wonderful spam!") }
specify do
expect(subject.spam?).to be_falsey
end
it 'logs an error' do
expect(Gitlab::AppLogger).to receive(:error).with(/Error during Akismet.*flagging as not spam.*Lovely spam/)
subject.spam?
end
end
context 'ArgumentError is raised in dev' do
let(:error) { ArgumentError }
it 'raises original error' do
expect { subject.spam? }.to raise_error(error)
end
end
end
end
end
describe '#submit_ham' do
it_behaves_like 'no activity if Akismet is not enabled', :submit_ham
it_behaves_like 'false if Akismet is not available', :submit_ham
context 'if Akismet is available' do
specify do
expect(fake_akismet_client).to receive(:public_send).with(:ham, any_args)
expect(subject.submit_ham).to be_truthy
end
end
end
describe '#submit_spam' do
it_behaves_like 'no activity if Akismet is not enabled', :submit_spam
it_behaves_like 'false if Akismet is not available', :submit_spam
context 'if Akismet is available' do
specify do
expect(fake_akismet_client).to receive(:public_send).with(:spam, any_args)
expect(subject.submit_spam).to be_truthy
end
end
end
end
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