How to Correctly Set Timeout Duration in Go Test?

Timeout Duration Setting in Go Test

In a typical Go test workflow, users may encounter an error when setting the timeout flag using a simple numeric value:

go test -timeout 99999

This command will result in the following error:

invalid value "99999" for flag -test.timeout: time: missing unit in duration 99999

Solution: Using Valid Duration Format

To rectify this issue, users should utilize a valid time format as specified by time.ParseDuration. Valid formats include:

• "h" or "H" for hours
• "m" or "M" for minutes
• "s" or "S" for seconds
• "ms" or "µs" for milliseconds

Examples:

$ go test -timeout 300ms

$ go test -timeout 99999s

Reference:

• [Package flag: Duration Flags](https://golang.org/pkg/flag/#hdr-Duration_Flags)
• [Package time: ParseDuration](https://golang.org/pkg/time/#ParseDuration)

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