api/test/unit/controller/suggest.js

var setup = require('../../../controller/suggest'),
    mockBackend = require('../mock/backend'),
    mockQuery = require('../mock/query');

module.exports.tests = {};

module.exports.tests.interface = function(test, common) {
  test('valid interface', function(t) {
    t.equal(typeof setup, 'function', 'setup is a function');
    t.equal(typeof setup(), 'function', 'setup returns a controller');
    t.end();
  });
};

// functionally test controller (backend success)
module.exports.tests.functional_success = function(test, common) {
  test('functional test', function(t) {
    var backend = mockBackend( 'client/suggest/ok/1', function( cmd ){
      t.deepEqual(cmd, { body: { a: 'b' }, index: 'pelias' }, 'correct backend command');
    });
    var controller = setup( backend, mockQuery() );
    var res = {
      status: function( code ){
        t.equal(code, 200, 'status set');
        return res;
      },
      json: function( json ){
        t.equal(typeof json, 'object', 'returns json');
        t.equal(typeof json.date, 'number', 'date set');
        t.true(Array.isArray(json.body), 'body is array');
        t.deepEqual(json.body, [ { value: 1 }, { value: 2 } ], 'values correctly mapped');
        t.end();
      }
    };
    controller( { clean: { a: 'b' } }, res );
  });
};

// functionally test controller (backend failure)
module.exports.tests.functional_failure = function(test, common) {
  test('functional test', function(t) {
    var backend = mockBackend( 'client/suggest/fail/1', function( cmd ){
      t.deepEqual(cmd, { body: { a: 'b' }, index: 'pelias' }, 'correct backend command');
    });
    var controller = setup( backend, mockQuery() );
    var next = function( message ){
      t.equal(message,'a backend error occurred','error passed to errorHandler');
      t.end();
    };
    controller( { clean: { a: 'b' } }, undefined, next );
  });
};

module.exports.all = function (tape, common) {

  function test(name, testFunction) {
    return tape('GET /suggest ' + name, testFunction);
  }

  for( var testCase in module.exports.tests ){
    module.exports.tests[testCase](test, common);
  }
};