base-test-suite/suite/test/templates/render.js

Test suite for base projects.

'use strict';

var assert = require('assert');

module.exports = function(App, options, runner) {
  var app;

  describe('render', function() {
    describe('engine', function() {
      var view;

      beforeEach(function() {
        app = new App({silent: true});
        app.engine('tmpl', require('engine-base'));
        app.create('page');
        view = {contents: new Buffer('a <%= name %> b'), locals: {name: 'Halle'}};
      });

      it('should render a view from an object:', function(cb) {
        app.page('a.tmpl', view)
          .render(function(err, res) {
            if (err) return cb(err);
            assert.equal(res.contents.toString(), 'a Halle b');
            cb();
          });
      });

      it('should throw an error when a variable is undefined:', function(cb) {
        view = {contents: new Buffer('a <%= foo %> b')};

        app.page('a.tmpl', view)
          .render(function(err) {
            assert.equal(err.message, 'foo is not defined');
            cb();
          });
      });

      it('should re-throw an error when rethrow is true:', function(cb) {
        view = {contents: new Buffer('a <%= foo %> b')};

        app = new App({rethrow: true, silent: true});
        app.engine('tmpl', require('engine-base'));
        app.create('page');

        app.page('a.tmpl', view)
          .render(function(err) {
            assert.equal(err.message, 'foo is not defined');
            cb();
          });
      });

      it('should emit a re-thrown error when rethrow is true:', function(cb) {
        view = {contents: new Buffer('a <%= foo %> b')};
        var count = 0;

        app = new App({rethrow: true, silent: false});
        app.engine('tmpl', require('engine-base'));
        app.create('page');

        app.on('error', function(err) {
          assert.equal(err.message, 'foo is not defined');
          count++;
        });

        app.page('a.tmpl', view)
          .render(function(err) {
            assert.equal(err.message, 'foo is not defined');
            assert.equal(count, 1);
            cb();
          });
      });
    });
  });
};