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feat(EmailChecker.check): add class to search for typo in email addresses

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mfo 2024-06-07 06:23:52 +02:00
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spec/lib/email_checker_spec.rb Normal file
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describe EmailChecker do
describe 'check' do
subject { described_class }
it 'works with identified use cases' do
expect(subject.check(email: nil)).to eq({ success: false })
expect(subject.check(email: '')).to eq({ success: false })
expect(subject.check(email: 'panpan')).to eq({ success: false })
# allow same domain
expect(subject.check(email: "martin@orange.fr")).to eq({ success: true })
# find difference of 1 lev distance
expect(subject.check(email: "martin@orane.fr")).to eq({ success: true, email_suggestions: ['martin@orange.fr'] })
# find difference of 2 lev distance, only with same chars
expect(subject.check(email: "martin@oragne.fr")).to eq({ success: true, email_suggestions: ['martin@orange.fr'] })
# ignore unknown domain
expect(subject.check(email: "martin@ore.fr")).to eq({ success: true })
end
it 'passes through real use cases, with levenshtein_distance 1' do
expect(subject.check(email: "martin@asn.com")).to eq({ success: true, email_suggestions: ['martin@msn.com'] })
expect(subject.check(email: "martin@gamail.com")).to eq({ success: true, email_suggestions: ['martin@gmail.com'] })
expect(subject.check(email: "martin@glail.com")).to eq({ success: true, email_suggestions: ['martin@gmail.com'] })
expect(subject.check(email: "martin@gmail.coml")).to eq({ success: true, email_suggestions: ['martin@gmail.com'] })
expect(subject.check(email: "martin@gmail.con")).to eq({ success: true, email_suggestions: ['martin@gmail.com'] })
expect(subject.check(email: "martin@hotmil.fr")).to eq({ success: true, email_suggestions: ['martin@hotmail.fr'] })
expect(subject.check(email: "martin@mail.com")).to eq({ success: true, email_suggestions: ["martin@gmail.com", "martin@ymail.com", "martin@mailo.com"] })
expect(subject.check(email: "martin@msc.com")).to eq({ success: true, email_suggestions: ["martin@msn.com", "martin@mac.com"] })
expect(subject.check(email: "martin@ymail.com")).to eq({ success: true })
end
it 'passes through real use cases, with levenshtein_distance 2, must share all chars' do
expect(subject.check(email: "martin@oise.fr")).to eq({ success: true }) # could be live.fr
end
end
end