Error when creating mock of enum with negative value since Typescript 5.4

[hoi4]

Error when creating mock of enum with negative value since Typescript 5.4

When upgrading from Typescript 5.3.3 to 5.4.5, some of our tests are failing with the following error message:

Debug Failure. False expression: Negative numbers should be created in combination with createPrefixUnaryExpression

This is caused by calling createHydratedMock with an interface that includes a property of an enum type with a negative value, e.g.

enum TestEnum {
  VALUE_ONE = -1, // <-- This negative enum value seems to be the problem
  VALUE_TWO = 0,
  VALUE_THREE = 1
}

interface Test {
  readonly enumProp: TestEnum;
}

// in the test
const test = createHydratedMock<Test>(); // errors

Your environment

• ts-auto-mock version: 3.7.2
• typescript version: 5.4.5
• node version: v18.19.0
• npm version: 10.2.3

[uittorio]

Hey! Thank you for raising the issue! I will have look and let you know!

[uittorio]

Just released a new version to address the issue!! thank you again! Released in 3.7.3 https://github.com/Typescript-TDD/ts-auto-mock/blob/master/CHANGELOG.md

[hoi4]

Works like a charm! I greatly appreciate the quick fix! Thank you! 🚀