[英]Tests failing with Mockgoose cause MongoError: topology was destroyed
我正在使用Mockgoose / Mongoose(使用Mocha / Chai作為測試套件)進行一系列測試。
如果我的測試之一碰巧失敗(即由於失敗的.should.be.deep.equal()
),則所有后續測試都將失敗,並顯示消息MongoError: topology was destroyed
以下是一些相關的摘要:
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
這是我收到的錯誤的示例:
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
有誰知道是什么原因造成的,我該如何解決? 當一個失敗的測試導致所有后續測試失敗時,很難確定實際上有多少測試失敗。
將Mockgoose 5.3.0和Mongoose 4.2.9更新可以解決此問題。
關於原因,我的最佳猜測是在測試失敗的同時運行beforeEach mockgoose.reset(),從而導致重置失敗並且模擬的數據庫陷入不良狀態。
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