Fix crashing tests #3

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opened 11 months ago by inga-lovinde · 0 comments
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npm run test fails with

 FAIL  src/transaction/transaction.controller.spec.ts
  ● Test suite failed to run

    Jest worker encountered 4 child process exceptions, exceeding retry limit

      at ChildProcessWorker.initialize (../node_modules/jest-worker/build/workers/ChildProcessWorker.js:185:21)

Test Suites: 1 failed, 2 passed, 3 total
Tests:       2 passed, 2 total
Snapshots:   0 total
Time:        11.852 s
Ran all test suites.

There are also following messages in output:

Node.js v18.18.2
/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.spec.ts:20
                insertOne: jest.fn(() => Promise.reject(new Error("DatabaseNotReachable"))),
                                                        ^

Error: DatabaseNotReachable
    at Object.<anonymous> (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.spec.ts:19:49)
    at /home/inga/projects/test-assignment-payments/node_modules/jest-mock/build/index.js:449:39
    at Object.<anonymous> (/home/inga/projects/test-assignment-payments/node_modules/jest-mock/build/index.js:457:13)
    at Object.mockConstructor [as insertOne] (/home/inga/projects/test-assignment-payments/node_modules/jest-mock/build/index.js:170:19)
    at TransactionController.getAmountWithoutExchange (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.ts:119:37)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
    at TransactionController.commission (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.ts:56:30)
    at Object.<anonymous> (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.spec.ts:60:20)

It looks like this rejection is not handled properly, probably with nest process crashing. It should be handled properly, so that specific tests fail with relevant error messages, rather than just "Jest worker encountered 4 child process exceptions, exceeding retry limit".

`npm run test` fails with ``` FAIL src/transaction/transaction.controller.spec.ts ● Test suite failed to run Jest worker encountered 4 child process exceptions, exceeding retry limit at ChildProcessWorker.initialize (../node_modules/jest-worker/build/workers/ChildProcessWorker.js:185:21) Test Suites: 1 failed, 2 passed, 3 total Tests: 2 passed, 2 total Snapshots: 0 total Time: 11.852 s Ran all test suites. ``` There are also following messages in output: ``` Node.js v18.18.2 /home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.spec.ts:20 insertOne: jest.fn(() => Promise.reject(new Error("DatabaseNotReachable"))), ^ Error: DatabaseNotReachable at Object.<anonymous> (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.spec.ts:19:49) at /home/inga/projects/test-assignment-payments/node_modules/jest-mock/build/index.js:449:39 at Object.<anonymous> (/home/inga/projects/test-assignment-payments/node_modules/jest-mock/build/index.js:457:13) at Object.mockConstructor [as insertOne] (/home/inga/projects/test-assignment-payments/node_modules/jest-mock/build/index.js:170:19) at TransactionController.getAmountWithoutExchange (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.ts:119:37) at processTicksAndRejections (node:internal/process/task_queues:95:5) at TransactionController.commission (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.ts:56:30) at Object.<anonymous> (/home/inga/projects/test-assignment-payments/src/transaction/transaction.controller.spec.ts:60:20) ``` It looks like this rejection is not handled properly, probably with nest process crashing. It should be handled properly, so that specific tests fail with relevant error messages, rather than just "Jest worker encountered 4 child process exceptions, exceeding retry limit".
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Reference: inga-lovinde/test-assignment-payments#3
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