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# frozen_string_literal: true
require 'spec_helper'
describe Users::UpdateCanonicalEmailService do
let(:other_email) { "differentaddress@includeddomain.com" }
before do
stub_const("Users::UpdateCanonicalEmailService::INCLUDED_DOMAINS_PATTERN", [/includeddomain/])
end
describe '#initialize' do
context 'unsuccessful' do
it 'raises an error if there is no user' do
expect { described_class.new(user: nil) }.to raise_error(ArgumentError, /Please provide a user/)
end
it 'raises an error if the object is not a User' do
expect { described_class.new(user: 123) }.to raise_error(ArgumentError, /Please provide a user/)
end
end
context 'when a user is provided' do
it 'does not error' do
user = build(:user)
expect { described_class.new(user: user) }.not_to raise_error
end
end
end
describe "#canonicalize_email" do
let(:user) { build(:user) }
let(:subject) { described_class.new(user: user) }
context 'when the email domain is included' do
context 'strips out any . or anything after + in the agent for included domains' do
using RSpec::Parameterized::TableSyntax
let(:expected_result) { 'user@includeddomain.com' }
where(:raw_email, :expected_result) do
'user@includeddomain.com' | 'user@includeddomain.com'
'u.s.e.r@includeddomain.com' | 'user@includeddomain.com'
'user+123@includeddomain.com' | 'user@includeddomain.com'
'us.er+123@includeddomain.com' | 'user@includeddomain.com'
end
with_them do
before do
user.email = raw_email
end
specify do
subject.execute
expect(user.user_canonical_email).not_to be_nil
expect(user.user_canonical_email.canonical_email).to eq expected_result
end
end
end
context 'when the user has an existing canonical email' do
it 'updates the user canonical email record' do
user.user_canonical_email = build(:user_canonical_email, canonical_email: other_email)
user.email = "us.er+123@includeddomain.com"
subject.execute
expect(user.user_canonical_email.canonical_email).to eq "user@includeddomain.com"
end
end
end
context 'when the email domain is not included' do
it 'returns nil' do
user.email = "u.s.er+343@excludeddomain.com"
subject.execute
expect(user.user_canonical_email).to be_nil
end
it 'destroys any existing UserCanonicalEmail record' do
user.email = "u.s.er+343@excludeddomain.com"
user.user_canonical_email = build(:user_canonical_email, canonical_email: other_email)
expect(user.user_canonical_email).to receive(:delete)
subject.execute
end
end
context 'when the user email is not processable' do
[nil, 'nonsense'].each do |invalid_address|
before do
user.email = invalid_address
end
specify do
subject.execute
expect(user.user_canonical_email).to be_nil
end
it 'preserves any existing record' do
user.email = nil
user.user_canonical_email = build(:user_canonical_email, canonical_email: other_email)
subject.execute
expect(user.user_canonical_email.canonical_email).to eq other_email
end
end
end
end
end
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