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29 lines
769 B
Go
29 lines
769 B
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package controlclient
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import (
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"os/exec"
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"regexp"
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"testing"
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)
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func TestOsVersionWindows(t *testing.T) {
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out, err := exec.Command("cmd", "/c", "ver").Output()
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if err != nil {
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t.Fatalf("`ver` error: %v", err)
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}
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// Extract the version number from the output, and isolate the first three parts (major.minor.build)
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rx := regexp.MustCompile(`(\d+\.\d+\.\d+)(\.\d+)?`)
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m := rx.FindStringSubmatch(string(out))
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if m == nil {
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t.Fatalf("no version number in `ver` output: %q", out)
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}
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got := osVersionWindows()
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if m[1] != got {
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t.Errorf("osVersionWindows got %q want %q", got, m[1])
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}
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}
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