require 'rails_helper' describe ScreenedEmail do let(:email) { 'block@spamfromhome.org' } let(:similar_email) { 'bl0ck@spamfromhome.org' } describe "new record" do it "sets a default action_type" do expect(ScreenedEmail.create(email: email).action_type).to eq(ScreenedEmail.actions[:block]) end it "last_match_at is null" do # If we manually load the table with some emails, we can see whether those emails # have ever been blocked by looking at last_match_at. expect(ScreenedEmail.create(email: email).last_match_at).to eq(nil) end it "downcases the email" do s = ScreenedEmail.create(email: 'SPAMZ@EXAMPLE.COM') expect(s.email).to eq('spamz@example.com') end end describe '#block' do context 'email is not being blocked' do it 'creates a new record with default action of :block' do record = ScreenedEmail.block(email) expect(record).not_to be_new_record expect(record.email).to eq(email) expect(record.action_type).to eq(ScreenedEmail.actions[:block]) end it 'lets action_type be overriden' do record = ScreenedEmail.block(email, action_type: ScreenedEmail.actions[:do_nothing]) expect(record).not_to be_new_record expect(record.email).to eq(email) expect(record.action_type).to eq(ScreenedEmail.actions[:do_nothing]) end end context 'email is already being blocked' do let!(:existing) { Fabricate(:screened_email, email: email) } it "doesn't create a new record" do expect { ScreenedEmail.block(email) }.to_not change { ScreenedEmail.count } end it "returns the existing record" do expect(ScreenedEmail.block(email)).to eq(existing) end end end describe '#should_block?' do subject { ScreenedEmail.should_block?(email) } it "returns false if a record with the email doesn't exist" do expect(subject).to eq(false) end it "returns true when there is a record with the email" do expect(ScreenedEmail.should_block?(email)).to eq(false) ScreenedEmail.create(email: email).save expect(ScreenedEmail.should_block?(email)).to eq(true) end it "returns true when there is a record with a similar email" do expect(ScreenedEmail.should_block?(email)).to eq(false) ScreenedEmail.create(email: similar_email).save expect(ScreenedEmail.should_block?(email)).to eq(true) end it "returns true when it's same email, but all caps" do ScreenedEmail.create(email: email).save expect(ScreenedEmail.should_block?(email.upcase)).to eq(true) end shared_examples "when a ScreenedEmail record matches" do it "updates statistics" do freeze_time(Time.zone.now) do expect { subject }.to change { screened_email.reload.match_count }.by(1) expect(screened_email.last_match_at).to be_within_one_second_of(Time.zone.now) end end end context "action_type is :block" do let!(:screened_email) { Fabricate(:screened_email, email: email, action_type: ScreenedEmail.actions[:block]) } it { is_expected.to eq(true) } include_examples "when a ScreenedEmail record matches" end context "action_type is :do_nothing" do let!(:screened_email) { Fabricate(:screened_email, email: email, action_type: ScreenedEmail.actions[:do_nothing]) } it { is_expected.to eq(false) } include_examples "when a ScreenedEmail record matches" end end end