How Can I Skip Go Test Files on Versions Below 1.5?

Skipping Test Files on Go Versions Below 1.5

To skip a test file if it is run on systems with Go 1.4 and below, leverage build constraints.

The build constraint is a directive that instructs the Go compiler to build a package only if certain criteria are met. In this case, we want to build the test file only if the Go version is 1.5 or higher.

To specify the build constraint, add the following line at the beginning of the test file:

// +build go1.5

This constraint ensures that the file is compiled and tested only when the Go version is 1.5 and onward.

1  // +build go1.5
2
3  package yourpackage

Important Notes:

• Constraints must appear near the top of the file, preceded only by blank lines and other line comments.
• A series of build constraints should be followed by a blank line.
• Consider that the http2 package, required by the test file, was added in Go 1.6. Therefore, if you want to run the test on Go 1.6 and above, use the constraint:

// +build go1.6

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