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var assert = require('assert'),
require_optional = require('../');
describe('Require Optional', function() {
describe('top level require', function() {
it('should correctly require co library', function() {
var promise = require_optional('es6-promise');
assert.ok(promise);
});
it('should fail to require es6-promise library', function() {
try {
require_optional('co');
} catch(e) {
assert.equal('OPTIONAL_MODULE_NOT_FOUND', e.code);
return;
}
assert.ok(false);
});
it('should ignore optional library not defined', function() {
assert.equal(undefined, require_optional('es6-promise2'));
});
});
describe('internal module file require', function() {
it('should correctly require co library', function() {
var Long = require_optional('bson/lib/bson/long.js');
assert.ok(Long);
});
});
describe('top level resolve', function() {
it('should correctly use exists method', function() {
assert.equal(false, require_optional.exists('co'));
assert.equal(true, require_optional.exists('es6-promise'));
assert.equal(true, require_optional.exists('bson/lib/bson/long.js'));
assert.equal(false, require_optional.exists('es6-promise2'));
});
});
});
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