require 'spec_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.stubs(:flag_sockpuppets).returns(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.stubs(:flag_sockpuppets).returns(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) } it 'flags post and first post if both users are new' do PostAction.expects(:act).with(Discourse.system_user, post1, PostActionType.types[:spam], anything).once PostAction.expects(:act).with(Discourse.system_user, post2, PostActionType.types[:spam], anything).once described_class.new(post2).flag_sockpuppet_users end it "doesn't flag the first post more than once" do PostAction.expects(:act).with(Discourse.system_user, post2, PostActionType.types[:spam], anything).once PostAction.stubs(:act).with(Discourse.system_user, post1, PostActionType.types[:spam], anything).raises(PostAction::AlreadyActed) described_class.new(post2).flag_sockpuppet_users 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) PostAction.expects(:act).with(anything, post2, anything, anything).once PostAction.expects(:act).with(anything, first_post, anything, anything).never described_class.new(post2).flag_sockpuppet_users end it "doesn't create a flag if user is nil on first post" do post1.user_id = nil post1.save PostAction.expects(:act).with(anything, post2, anything, anything).once PostAction.expects(:act).with(anything, post1, anything, anything).never described_class.new(post2).flag_sockpuppet_users end end end