我正在使用 Mockgoose/Mongoose 运行一系列测试(使用 Mocha/Chai 作为测试套件)。
如果我的一个测试碰巧失败(即由于 .should.be.deep.equal()
失败),则所有后续测试都会失败,并显示消息 MongoError :拓扑被破坏
以下是一些相关片段:
mockgoose(mongoose);
before(function(done) {
mongoose.connect('mongodb://fake.test/TestingDB', function(err) {
done(err);
});
});
afterEach(function(done) {
mockgoose.reset();
done();
});
// Test Cases
describe('Testing the functions that deal with users and locations:', function() {
// Test Setup
var req
beforeEach(function(done) {
req = {};
mockgoose.reset();
done();
});
beforeEach(function(done) {
sensors.create(testData.deviceData, function(err, model) {
if (err) {console.log(err)};
done();
});
});
//tests start here
这是我收到的错误的示例:
1) Testing functions that use the Furnace collections Testing furnaceOn function Should produce some output:
Uncaught TypeError: Cannot read property 'should' of undefined
at C:\Users\Zachary Jacobi\Development\webapp\tests\unit\dbFunctionMockTests.js:417:11
at Query.<anonymous> (C:\Users\Zachary Jacobi\Development\webapp\lib\dbFunctions.js:499:3)
at C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\kareem\index.js:177:19
at C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\kareem\index.js:109:16
2) Testing functions that use the Furnace collections "before each" hook for "Should produce the same results as the mock up from testData":
MongoError: topology was destroyed
at Server.insert (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\node_modules\mongodb-core\lib\topologies\server.js:951:49)
at Server.insert (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\server.js:324:17)
at executeBatch (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\bulk\unordered.js:436:23)
at executeBatches (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\bulk\unordered.js:457:5)
at UnorderedBulkOperation.execute (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\bulk\unordered.js:515:44)
at bulkWrite (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\collection.js:582:8)
at Collection.insertMany (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\collection.js:477:44)
at Collection.insert (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\mongodb\lib\collection.js:753:15)
at NativeCollection.(anonymous function) [as insert] (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\drivers\node-mongodb-native\collection.js:136:28)
at model.Model.$__handleSave (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\model.js:130:21)
at model.Model.$__save (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\model.js:189:9)
at model.Model.save (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\model.js:282:17)
at model._done (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\hooks-fixed\hooks.js:101:24)
at _next (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\hooks-fixed\hooks.js:64:28)
at fnWrapper (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\hooks-fixed\hooks.js:186:18)
at model.Object.defineProperty.value.fn (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\schema.js:250:9)
at _next (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\hooks-fixed\hooks.js:62:30)
at fnWrapper (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\node_modules\hooks-fixed\hooks.js:186:18)
at C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\schema.js:233:13
at complete (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\document.js:1131:5)
at C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\document.js:1157:20
at Mixed.SchemaType.doValidate (C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\schematype.js:654:22)
at C:\Users\Zachary Jacobi\Development\webapp\node_modules\mongoose\lib\document.js:1153:9
有谁知道造成此问题的原因以及我可以采取哪些措施来解决它?当一项失败的测试导致所有后续测试都失败时,就很难确定有多少测试实际上失败了。
最佳答案
更新到 Mockgoose 5.3.0 和 Mongoose 4.2.9 解决了这个问题。
我对原因的最佳猜测是 beforeEach mockgoose.reset() 在测试失败的同时运行,导致重置失败并且模拟数据库陷入错误状态。
关于node.js - Mockgoose 测试失败导致 MongoError : topology was destroyed,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34076345/