Golangtestingparallel

2022年11月21日—TheGOMAXPROCSenvironmentdefineshowmanytestscanruninparallelatonetime,andbydefaultthisnumberisequaltothenumberofCPUs.,2023年8月26日—Whenrunningtestsformanypackageswithgotest./...,packagesautomaticallyruninparalleluptoamaximumequaltothenumberofCPUson ...,2023年11月13日—Parallel()sortofchopsyourtestcodeintotwohalves.Anystatementsbeforet.Parallel()runseriallyalongwithotherserialtest...

參考資訊如下
Comprehensive Guide to Testing in Go

2022年11月21日 — The GOMAXPROCS environment defines how many tests can run in parallel at one time, and by default this number is equal to the number of CPUs.

On Using Go's `t.Parallel()`

2023年8月26日 — When running tests for many packages with go test ./... , packages automatically run in parallel up to a maximum equal to the number of CPUs on ...

Go Testing

2023年11月13日 — Parallel() sort of chops your test code into two halves. Any statements before t.Parallel() run serially along with other serial test cases, and ...

Parallel test execution in Go

2019年5月11日 — Since version 1.7 the Go testing package provides the ability to run some of the tests in parallel (well not entirely in parallel but that ...

Test parallelization in Go

2022年4月12日 — Parallel() method must be called by both the top-level test function and its subtest functions.” Doing so would mean that all subtest functions ...

Be Careful with Table Driven Tests and t.Parallel()

As can be seen, go has the t.Run() function, which creates a nested test inside an existing test. This is useful: We can see each test case individually in the ...

Go test parallelism

2021年8月15日 — Tests in the different packages are always run in parallel, even with -parallel=1 flag or without using t.Parallel() .

testing package

In this example, all tests are run in parallel with each other, and only with each other, regardless of other top-level tests that may be defined: func ...

Does go test run unit tests concurrently?

2014年6月23日 — Yes, tests are executed as goroutines and, thus, executed concurrently. However, tests do not run in parallel by default as pointed out by ...

Running Go tests in Parallel

2022年7月1日 — The 'go test' command may run tests for different packages in parallel as well, according to the setting of the -p flag (see 'go help build').