You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
5 years ago
|
var assert = require('assert'),
|
||
|
|
require_optional = require('../'),
|
||
|
|
nestedTest = require('./nestedTest');
|
||
|
|
|
||
|
|
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'));
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('require_optional inside dependencies', function() {
|
||
|
|
it('should correctly walk up module call stack searching for peerOptionalDependencies', function() {
|
||
|
|
assert.ok(nestedTest.findPackage('bson'))
|
||
|
|
});
|
||
|
|
it('should return null when a package is defined in top-level package.json but not installed', function() {
|
||
|
|
assert.equal(null, nestedTest.findPackage('es6-promise2'))
|
||
|
|
});
|
||
|
|
it('should error when searching for an optional dependency that is not defined in any ancestor package.json', function() {
|
||
|
|
try {
|
||
|
|
nestedTest.findPackage('bison')
|
||
|
|
} catch (err) {
|
||
|
|
assert.equal(err.message, 'no optional dependency [bison] defined in peerOptionalDependencies in any package.json')
|
||
|
|
}
|
||
|
|
})
|
||
|
|
});
|
||
|
|
});
|