Changes

node_modules/express-validator/test/optionalTest.js

@@ -0,0 +1,81 @@
+var chai = require('chai');
+var expect = chai.expect;
+var request = require('supertest');
+
+var app;
+var errorMessage = 'Parameter is not an integer';
+
+function validation(req, res) {
+  req.assert('optional_param', errorMessage).optional().isInt();
+  req.assert('optional_falsy_param', errorMessage).optional({ checkFalsy: true }).isInt();
+
+  var errors = req.validationErrors();
+  if (errors) {
+    return res.send(errors);
+  }
+  res.send({ result: 'OK' });
+}
+
+function fail(body) {
+  expect(body).to.have.length(1);
+  expect(body[0]).to.have.property('msg', errorMessage);
+}
+
+function pass(body) {
+  expect(body).to.have.property('result', 'OK');
+}
+
+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);
+});
+
+// TODO: Don't know if all of these are necessary, but we do need to test body and header
+describe('#optional()', function() {
+  it('should return a success when there is an empty route', function(done) {
+    testRoute('/', pass, done);
+  });
+
+  it('should return a success when there are no params on a route', function(done) {
+    testRoute('/path', pass, done);
+  });
+
+  it('should return a success when the non-optional param is present', function(done) {
+    testRoute('/path?other_param=test', pass, done);
+  });
+
+  it('should return an error when param is provided, but empty', function(done) {
+    testRoute('/path?optional_param', fail, done);
+  });
+
+  it('should return an error when param is provided with equals sign, but empty', function(done) {
+    testRoute('/path?optional_param=', fail, done);
+  });
+
+  it('should return an error when param is provided, but fails validation', function(done) {
+    testRoute('/path?optional_param=test', fail, done);
+  });
+
+  it('should return a success when param is provided and validated', function(done) {
+    testRoute('/path?optional_param=123', pass, done);
+  });
+
+  it('should return a success when the optional falsy param is present, but false', function(done) {
+    testRoute('/path?optional_falsy_param=', pass, done);
+  });
+
+  it('should return an error when the optional falsy param is present, but does not pass', function(done) {
+    testRoute('/path?optional_falsy_param=hello', fail, done);
+  });
+});