How Can I Skip Go Tests Based on Go Version?

Skipping Tests Based on Go Version using Build Constraints

You aim to prevent certain tests from running on systems with Go versions earlier than 1.5 due to dependency on packages not available on those versions. The "runtime.Version()" can be used to determine the Go version, but your approach using " build go1.5" at the top of the file didn't resolve the issue.

The appropriate solution is to utilize Go's build constraints to limit the scope of your test file. The build constraint "// build go1.6" specifies that the file will be compiled only when using Go version 1.6 and onward. This will exclude systems running Go 1.4 and below from building and testing this particular test file.

It's important to consider the dependency on the "golang.org/x/net/http2" package, which is available from Go 1.6. Therefore, using " build go1.6" ensures compatibility with both the package dependency and the desired Go version criterion.

Remember that build constraints should appear near the top of the file, preceded only by blank lines and line comments. Additionally, a series of build constraints must be followed by a blank line to differentiate them from package documentation.

Here's a working example:

// +build go1.6

package yourpackage

In this example, the test file will be built and tested only on systems running Go version 1.6 or higher.

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