conditional/lib/test/not_empty_test.js

A preconditions package based on Google's Preconditions library

(function() {
  var IllegalValueError, checkNotEmpty;

  require('./helpers/test_helper');

  checkNotEmpty = preconditions.checkNotEmpty, IllegalValueError = preconditions.IllegalValueError;

  describe('test notEmpty precondition', function() {
    it('null is a empty value', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty(null, 'should not be null');
      };
      return assert.throws(wrapper, IllegalValueError, 'should not be null');
    });
    it('undefined is a empty value', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty({}.x, 'should not be undefined');
      };
      return assert.throws(wrapper, IllegalValueError, 'should not be undefined');
    });
    it('empty array is a empty value', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty([], 'should not be empty');
      };
      return assert.throws(wrapper, IllegalValueError, 'should not be empty');
    });
    it('empty object is a empty value', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty({}, 'should not be empty');
      };
      return assert.throws(wrapper, IllegalValueError, 'should not be empty');
    });
    it('empty string is a empty value', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty('', 'should not be empty');
      };
      return assert.throws(wrapper, IllegalValueError, 'should not be empty');
    });
    it('0 (zero) is not empty', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty(0);
      };
      return assert.doesNotThrow(wrapper);
    });
    return it('boolean false is not empty', function() {
      var wrapper;
      wrapper = function() {
        return checkNotEmpty(false);
      };
      return assert.doesNotThrow(wrapper);
    });
  });

}).call(this);