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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Users::CreditCardValidation, feature_category: :user_profile do
include CryptoHelpers
it { is_expected.to belong_to(:user) }
it { is_expected.to validate_length_of(:holder_name).is_at_most(50) }
it { is_expected.to validate_length_of(:network).is_at_most(32) }
it { is_expected.to validate_numericality_of(:last_digits).is_less_than_or_equal_to(9999) }
it { is_expected.to validate_length_of(:last_digits_hash).is_at_most(44) }
it { is_expected.to validate_length_of(:holder_name_hash).is_at_most(44) }
it { is_expected.to validate_length_of(:expiration_date_hash).is_at_most(44) }
it { is_expected.to validate_length_of(:network_hash).is_at_most(44) }
describe '#similar_records' do
let_it_be(:credit_card_validation) { create(:credit_card_validation) }
let_it_be(:card_details) do
credit_card_validation.attributes.with_indifferent_access.slice(
:expiration_date, :last_digits, :network, :holder_name
)
end
let_it_be(:match_1) { create(:credit_card_validation, card_details) }
let_it_be(:match_2) { create(:credit_card_validation, card_details.merge(holder_name: 'Bob')) }
let_it_be(:non_match_1) { create(:credit_card_validation, card_details.merge(last_digits: 9999)) }
let_it_be(:non_match_2) { create(:credit_card_validation, card_details.merge(network: 'Mastercard')) }
let_it_be(:non_match_3) do
create(:credit_card_validation, card_details.merge(expiration_date: 2.years.from_now.to_date))
end
it 'returns matches with the same last_digits, expiration and network, ordered by credit_card_validated_at' do
# eq is used instead of match_array because rows are sorted by credit_card_validated_at in desc order
expect(credit_card_validation.similar_records).to eq([match_2, match_1, credit_card_validation])
end
end
describe '#similar_holder_names_count' do
context 'when holder_name is present' do
let_it_be(:credit_card_validation) { create(:credit_card_validation, holder_name: 'ALICE M SMITH') }
let_it_be(:match) { create(:credit_card_validation, holder_name: 'Alice M Smith') }
let_it_be(:non_match) { create(:credit_card_validation, holder_name: 'Bob B Brown') }
it 'returns the count of cards with similar case insensitive holder names' do
expect(credit_card_validation.similar_holder_names_count).to eq(2)
end
end
context 'when holder_name is nil' do
let_it_be(:credit_card_validation) { create(:credit_card_validation, holder_name: nil) }
it 'returns 0' do
expect(subject.similar_holder_names_count).to eq(0)
end
end
end
describe 'scopes' do
describe '.find_or_initialize_by_user' do
subject(:find_or_initialize_by_user) { described_class.find_or_initialize_by_user(user.id) }
let_it_be(:user) { create(:user) }
context 'with no existing credit card record' do
it { is_expected.to be_a_new_record }
end
context 'with existing credit card record' do
let_it_be(:credit_card_validation) { create(:credit_card_validation, user: user) }
it { is_expected.to eq(credit_card_validation) }
end
end
describe '.by_banned_user' do
subject(:by_banned_user) { described_class.by_banned_user }
let_it_be(:banned_user) { create(:banned_user) }
let_it_be(:credit_card) { create(:credit_card_validation) }
let_it_be(:banned_user_credit_card) { create(:credit_card_validation, user: banned_user.user) }
it 'returns only records associated to banned users' do
expect(by_banned_user).to match_array([banned_user_credit_card])
end
end
describe '.similar_by_holder_name' do
subject(:similar_by_holder_name) { described_class.similar_by_holder_name(holder_name_hash) }
let_it_be(:credit_card_validation) { create(:credit_card_validation, holder_name: 'Alice M Smith') }
let_it_be(:match) { create(:credit_card_validation, holder_name: 'ALICE M SMITH') }
context 'when holder_name_hash is present' do
let_it_be(:holder_name_hash) { credit_card_validation.holder_name_hash }
it 'returns records with similar holder names case-insensitively' do
expect(similar_by_holder_name).to match_array([credit_card_validation, match])
end
end
context 'when holder_name_hash is nil' do
let_it_be(:holder_name_hash) { nil }
it 'returns an empty array' do
expect(similar_by_holder_name).to match_array([])
end
end
end
describe '.similar_to' do
subject(:similar_to) { described_class.similar_to(credit_card_validation) }
let_it_be(:credit_card_validation) { create(:credit_card_validation) }
let_it_be(:match) do
create(:credit_card_validation,
expiration_date: credit_card_validation.expiration_date,
last_digits: credit_card_validation.last_digits,
network: credit_card_validation.network
)
end
let_it_be(:non_match) do
create(:credit_card_validation,
expiration_date: credit_card_validation.expiration_date,
last_digits: credit_card_validation.last_digits,
network: 'Mastercard'
)
end
it 'returns only records with similar expiration_date, last_digits, and network attribute values' do
expect(similar_to).to match_array([credit_card_validation, match])
end
end
end
describe '#used_by_banned_user?' do
subject(:used_by_banned_user) { credit_card_validation.used_by_banned_user? }
let_it_be(:credit_card_validation) { create(:credit_card_validation) }
let_it_be(:card_details) do
credit_card_validation.attributes.with_indifferent_access.slice(
:expiration_date, :last_digits, :network, :holder_name
)
end
let_it_be(:banned_user) { create(:banned_user) }
context 'when there is a similar credit card associated to a banned user' do
context 'when holder names match exactly' do
before do
create(:credit_card_validation, card_details.merge(user: banned_user.user))
end
it { is_expected.to be(true) }
end
context 'when holder names do not match exactly' do
before do
create(:credit_card_validation, card_details.merge(user: banned_user.user, holder_name: 'John M Smith'))
end
it { is_expected.to be(false) }
end
end
context 'when there are no similar credit cards associated to a banned user' do
before do
create(:credit_card_validation,
user: banned_user.user,
network: 'Mastercard',
last_digits: 1111,
holder_name: 'Jane Smith'
)
end
it { is_expected.to be(false) }
end
context 'when there is a similar credit card but it is not associated to a banned user' do
before do
create(:credit_card_validation, card_details)
end
it { is_expected.to be(false) }
end
end
describe 'before_save' do
describe '#set_last_digits_hash' do
let(:credit_card_validation) { build(:credit_card_validation, last_digits: last_digits) }
subject(:save_credit_card_validation) { credit_card_validation.save! }
context 'when last_digits are nil' do
let(:last_digits) { nil }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.last_digits_hash } }
end
context 'when last_digits has a blank value' do
let(:last_digits) { ' ' }
it { expect(credit_card_validation).to be_invalid }
end
context 'when last_digits has a value' do
let(:last_digits) { 1111 }
let(:expected_last_digits_hash) { sha256(last_digits) }
it 'assigns correct last_digits_hash value' do
expect { save_credit_card_validation }.to change {
credit_card_validation.last_digits_hash
}.from(nil).to(expected_last_digits_hash)
end
end
end
describe '#set_holder_name_hash' do
let(:credit_card_validation) { build(:credit_card_validation, holder_name: holder_name) }
subject(:save_credit_card_validation) { credit_card_validation.save! }
context 'when holder_name is nil' do
let(:holder_name) { nil }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.holder_name_hash } }
end
context 'when holder_name has a blank value' do
let(:holder_name) { ' ' }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.holder_name_hash } }
end
context 'when holder_name has a value' do
let(:holder_name) { 'John Smith' }
let(:expected_holder_name_hash) { sha256(holder_name.downcase) }
it 'lowercases holder_name and assigns correct holder_name_hash value' do
expect { save_credit_card_validation }.to change {
credit_card_validation.holder_name_hash
}.from(nil).to(expected_holder_name_hash)
end
end
end
describe '#set_network_hash' do
let(:credit_card_validation) { build(:credit_card_validation, network: network) }
subject(:save_credit_card_validation) { credit_card_validation.save! }
context 'when network is nil' do
let(:network) { nil }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.network_hash } }
end
context 'when network has a blank value' do
let(:network) { ' ' }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.network_hash } }
end
context 'when network has a value' do
let(:network) { 'Visa' }
let(:expected_network_hash) { sha256(network.downcase) }
it 'lowercases network and assigns correct network_hash value' do
expect { save_credit_card_validation }.to change {
credit_card_validation.network_hash
}.from(nil).to(expected_network_hash)
end
end
end
describe '#set_expiration_date_hash' do
let(:credit_card_validation) { build(:credit_card_validation, expiration_date: expiration_date) }
subject(:save_credit_card_validation) { credit_card_validation.save! }
context 'when expiration_date is nil' do
let(:expiration_date) { nil }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.expiration_date_hash } }
end
context 'when expiration_date has a blank value' do
let(:expiration_date) { ' ' }
it { expect { save_credit_card_validation }.not_to change { credit_card_validation.expiration_date_hash } }
end
context 'when expiration_date has a value' do
let(:expiration_date) { 1.year.from_now.to_date }
let(:expected_expiration_date_hash) { sha256(expiration_date.to_s) }
it 'assigns correct expiration_date_hash value' do
expect { save_credit_card_validation }.to change {
credit_card_validation.expiration_date_hash
}.from(nil).to(expected_expiration_date_hash)
end
end
end
end
end
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