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var chai = require('chai');
var expect = chai.expect;
var request = require('supertest');
var app;
var errorMessage = 'Parameter is not a 3 digit integer';
function validation(req, res) {
req.assert(0, errorMessage).len(3, 3).isInt();
var errors = req.validationErrors();
if (errors) {
return res.send(errors);
}
res.send([req.params[0]]);
}
function fail(body) {
expect(body).to.have.length(2);
expect(body[0]).to.have.property('msg', errorMessage);
}
function pass(body) {
expect(body[0]).to.equal('123');
}
function testRoute(path, test, done) {
request(app)
.get(path)
.end(function(err, res) {
test(res.body);
done();
});
}
// This before() is required in each set of tests in
// order to use a new validation function in each file
before(function() {
delete require.cache[require.resolve('./helpers/app')];
app = require('./helpers/app')(validation);
});
describe('Express routes can be defined using regular expressions', function() {
it('should return a success when regex route is validated', function(done) {
testRoute('/test123', pass, done);
});
it('should return an error when regex route is not validated', function(done) {
testRoute('/test0123', fail, done);
});
});
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