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I'm trying to mock mssql. I can see by debugging that the mock sql.connect function is being called but it doesn't seem to be returning after being called and it's causing the unit test to throw a timeout error and the test fails.

Here is the code that I'm testing:

            sql.connect(config.dbConnection, (err) => {
            if (err) {
                logger.info(err);
            } else {
                sql.query(`select * from XXX';`, (err, result) => {
                    if (err) {
                        logger.info("Error executing call: ", err);
                    } else {
                        resolve({ status: httpStatusCodes.StatusCodes.OK, apiResponse: result.recordsets[0][0].ZipCode });
                    }
                });
            }
        });

Here is the unit test:

it("should call sql.connect", async function () {
    const response = await regionalization.regionalizationAPI("02878");
    expect(response.status).toEqual(200);
});

Here is the manual mock file:

function connect() {
return jest.fn().mockReturnValue();

}

I have a breakpoint set in the connect function and the debugger stops in the function. No matter what mock function I use the execution isn't returned back to the code and I keep seeing a timeout error.

本文标签： javascriptJest Manual Mocking Not Functioning as ExpectedStack Overflow

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