9c62ef1243
Tests that need to use the internet are expected not to run when -short test flag is set, and the Go build system automatically catches when a test forgets that. It does this by unsharing all real network interfaces and leaving only a loopback interface in a new network namespace. TestUnshare tests that a process started with CLONE_NEWNET unshare flag has fewer network interfaces than before. Of course, if /proc/net/dev starts out with a single loopback interface, the test would fail with a false positive: === RUN TestUnshare exec_linux_test.go:139: Got 3 lines of output, want <3 --- FAIL: TestUnshare (0.00s) Give the test what it wants: a skip when the environment doesn't meet the minimum requirements for the test, and more useful log output if it fails. Change-Id: I6b9c29d88ce725e640a7ee86c7e1be9761f21b02 Reviewed-on: https://go-review.googlesource.com/c/go/+/513762 Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> |
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The Go Programming Language
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