isemail.js
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var Lab = require('lab');
var Code = require('code');
var IsEmail = require('..');
var Tests = require('./tests.json');
var internals = {
defaultThreshold: 16
};
// Test shortcuts
var isEmail = IsEmail;
var lab = exports.lab = Lab.script();
var before = lab.before;
var after = lab.after;
var describe = lab.describe;
var it = lab.it;
var expect = Code.expect;
// Diagnoses
var diag = isEmail.diagnoses;
// Expectations
var expectations = Tests.map(function mapper (value) {
value[1] = diag[value[1]];
return value;
});
// Null characters aren't supported in JSON
expectations.push(['test@[\0', diag.errExpectingDTEXT]);
expectations.push(['(\0)test@example.com', diag.errExpectingCTEXT]);
var tldExpectations = [
['shouldbe@invalid', diag.errUnknownTLD],
['shouldbe@example.com', diag.valid]
];
describe('isEmail', function () {
it('should check options.tldWhitelist', function (done) {
expect(isEmail('person@top', {
tldWhitelist: 'top',
checkDNS: false
})).to.equal(true);
expect(isEmail('person@top', {
tldWhitelist: ['com'],
checkDNS: false
})).to.equal(false);
expect(function () {
isEmail('', {
tldWhitelist: 77
});
}).to.throw(/tldWhitelist/);
done();
});
it('should check options.minDomainAtoms', function (done) {
expect(function () {
isEmail('person@top', {
minDomainAtoms: -1
});
}).to.throw(/minDomainAtoms/);
expect(function () {
isEmail('person@top', {
minDomainAtoms: 1.5
});
}).to.throw(/minDomainAtoms/);
done();
});
it('should use options.errorLevel', function (done) {
expect(isEmail('person@123', {
errorLevel: diag.rfc5321TLDNumeric + 1
})).to.equal(0);
expect(isEmail('person@123', {
errorLevel: diag.rfc5321TLDNumeric
})).to.equal(diag.rfc5321TLDNumeric);
done();
});
it('should ensure callback provided with checkDNS', function (done) {
expect(function () {
isEmail('person@top', {
checkDNS: true
});
}).to.throw(/(?=.*\bcheckDNS\b)(?=.*\bcallback\b)/);
done();
});
it('should handle omitted options', function (done) {
expect(isEmail(expectations[0][0])).to.equal(expectations[0][1] < internals.defaultThreshold);
done();
});
it('should handle omitted options with callback', function (done) {
isEmail(expectations[0][0], function (res) {
expect(res).to.equal(expectations[0][1] < internals.defaultThreshold);
done();
});
});
expectations.forEach(function (obj, i) {
var email = obj[0], result = obj[1];
it('should handle test ' + (i + 1), function (done) {
isEmail(email, {
errorLevel: 0,
checkDNS: true
}, function (res) {
expect(res).to.equal(result);
done();
});
});
});
tldExpectations.forEach(function (obj, i) {
var email = obj[0];
var result = obj[1];
it('should handle tld test ' + (i + 1), function (done) {
expect(isEmail(email, {
errorLevel: 0,
tldWhitelist: {
com: true
}
})).to.equal(result);
expect(isEmail(email, {
errorLevel: 0,
tldWhitelist: ['com']
})).to.equal(result);
done();
});
});
it('should handle domain atom test 1', function (done) {
expect(isEmail('shouldbe@invalid', {
errorLevel: 0,
minDomainAtoms: 2
})).to.equal(diag.errDomainTooShort);
done();
});
it('should handle domain atom test 2', function (done) {
expect(isEmail('valid@example.com', {
errorLevel: 0,
minDomainAtoms: 2
})).to.equal(diag.valid);
done();
});
});