discourse/spec/services/flag_sockpuppets_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe SpamRule::FlagSockpuppets do
let(:user1) { Fabricate(:user, ip_address: '182.189.119.174') }
let(:post1) { Fabricate(:post, user: user1, topic: Fabricate(:topic, user: user1)) }
describe 'perform' do
let(:rule) { described_class.new(post1) }
subject(:perform) { rule.perform }
it 'does nothing if flag_sockpuppets is disabled' do
SiteSetting.flag_sockpuppets = false
rule.expects(:reply_is_from_sockpuppet?).never
rule.expects(:flag_sockpuppet_users).never
expect(perform).to eq(false)
end
context 'flag_sockpuppets is enabled' do
before { SiteSetting.flag_sockpuppets = true }
it 'flags posts when it should' do
rule.expects(:reply_is_from_sockpuppet?).returns(:true)
rule.expects(:flag_sockpuppet_users).once
expect(perform).to eq(true)
end
it "doesn't flag posts when it shouldn't" do
rule.expects(:reply_is_from_sockpuppet?).returns(false)
rule.expects(:flag_sockpuppet_users).never
expect(perform).to eq(false)
end
end
end
describe 'reply_is_from_sockpuppet?' do
it 'is false for the first post in a topic' do
expect(described_class.new(post1).reply_is_from_sockpuppet?).to eq(false)
end
it 'is false if users have different IP addresses' do
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: '182.189.199.199'), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is true if users have the same IP address and are new' do
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: user1.ip_address), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(true)
end
it 'is false if the ip address is whitelisted' do
ScreenedIpAddress.stubs(:is_whitelisted?).with(user1.ip_address).returns(true)
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: user1.ip_address), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is false if reply and first post are from the same user' do
post2 = Fabricate(:post, user: user1, topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is false if first post user is staff' do
staff1 = Fabricate(:admin, ip_address: '182.189.119.174')
staff_post1 = Fabricate(:post, user: staff1, topic: Fabricate(:topic, user: staff1))
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: staff1.ip_address), topic: staff_post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is false if second post user is staff' do
post2 = Fabricate(:post, user: Fabricate(:moderator, ip_address: user1.ip_address), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is false if both users are staff' do
staff1 = Fabricate(:moderator, ip_address: '182.189.119.174')
staff_post1 = Fabricate(:post, user: staff1, topic: Fabricate(:topic, user: staff1))
post2 = Fabricate(:post, user: Fabricate(:admin, ip_address: staff1.ip_address), topic: staff_post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is true if first post user was created over 24 hours ago and has trust level higher than 0' do
old_user = Fabricate(:user, ip_address: '182.189.119.174', created_at: 25.hours.ago, trust_level: TrustLevel[1])
first_post = Fabricate(:post, user: old_user, topic: Fabricate(:topic, user: old_user))
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: old_user.ip_address), topic: first_post.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(true)
end
it 'is false if second post user was created over 24 hours ago and has trust level higher than 0' do
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: user1.ip_address, created_at: 25.hours.ago, trust_level: TrustLevel[1]), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
it 'is true if first post user was created less that 24 hours ago and has trust level higher than 0' do
new_user = Fabricate(:user, ip_address: '182.189.119.174', created_at: 1.hour.ago, trust_level: TrustLevel[1])
first_post = Fabricate(:post, user: new_user, topic: Fabricate(:topic, user: new_user))
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: new_user.ip_address), topic: first_post.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(true)
end
it 'is true if second user was created less that 24 hours ago and has trust level higher than 0' do
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: user1.ip_address, created_at: 23.hours.ago, trust_level: TrustLevel[1]), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(true)
end
# A weird case
it 'is false when user is nil on first post' do
post1.user = nil; post1.save!
post2 = Fabricate(:post, user: Fabricate(:user), topic: post1.topic)
expect(described_class.new(post2).reply_is_from_sockpuppet?).to eq(false)
end
end
describe 'flag_sockpuppet_users' do
let(:post2) { Fabricate(:post, user: Fabricate(:user, ip_address: user1.ip_address), topic: post1.topic) }
let(:system) { Discourse.system_user }
let(:spam) { PostActionType.types[:spam] }
it 'flags post and first post if both users are new' do
described_class.new(post2).flag_sockpuppet_users
expect(PostAction.where(user: system, post: post1, post_action_type_id: spam).exists?).to eq(true)
expect(PostAction.where(user: system, post: post2, post_action_type_id: spam).exists?).to eq(true)
end
it "doesn't flag the first post more than once" do
described_class.new(post2).flag_sockpuppet_users
expect(PostAction.where(user: system, post: post2, post_action_type_id: spam).exists?).to eq(true)
expect(PostAction.where(post: post2, post_action_type_id: spam).count).to eq(1)
end
it "doesn't flag the first post if the user is not new" do
old_user = Fabricate(:user, ip_address: '182.189.119.174', created_at: 25.hours.ago, trust_level: TrustLevel[1])
first_post = Fabricate(:post, user: old_user, topic: Fabricate(:topic, user: old_user))
post2 = Fabricate(:post, user: Fabricate(:user, ip_address: old_user.ip_address), topic: first_post.topic)
described_class.new(post2).flag_sockpuppet_users
expect(PostAction.where(user: system, post: post2, post_action_type_id: spam).exists?).to eq(true)
expect(PostAction.where(user: system, post: first_post, post_action_type_id: spam).exists?).to eq(false)
end
it "doesn't create a flag if user is nil on first post" do
post1.user_id = nil
post1.save
described_class.new(post2).flag_sockpuppet_users
expect(PostAction.where(user: system, post: post2, post_action_type_id: spam).exists?).to eq(true)
expect(PostAction.where(user: system, post: post1, post_action_type_id: spam).exists?).to eq(false)
end
end
end