52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
package version_test
|
|
|
|
import (
|
|
"bytes"
|
|
"os"
|
|
"testing"
|
|
|
|
ts "tailscale.com"
|
|
"tailscale.com/version"
|
|
)
|
|
|
|
func TestAlpineTag(t *testing.T) {
|
|
if tag := readAlpineTag(t, "../Dockerfile.base"); tag == "" {
|
|
t.Fatal(`"FROM alpine:" not found in Dockerfile.base`)
|
|
} else if tag != ts.AlpineDockerTag {
|
|
t.Errorf("alpine version mismatch: Dockerfile.base has %q; ALPINE.txt has %q", tag, ts.AlpineDockerTag)
|
|
}
|
|
if tag := readAlpineTag(t, "../Dockerfile"); tag == "" {
|
|
t.Fatal(`"FROM alpine:" not found in Dockerfile`)
|
|
} else if tag != ts.AlpineDockerTag {
|
|
t.Errorf("alpine version mismatch: Dockerfile has %q; ALPINE.txt has %q", tag, ts.AlpineDockerTag)
|
|
}
|
|
}
|
|
|
|
func readAlpineTag(t *testing.T, file string) string {
|
|
f, err := os.ReadFile(file)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, line := range bytes.Split(f, []byte{'\n'}) {
|
|
line = bytes.TrimSpace(line)
|
|
_, suf, ok := bytes.Cut(line, []byte("FROM alpine:"))
|
|
if !ok {
|
|
continue
|
|
}
|
|
return string(suf)
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func TestShortAllocs(t *testing.T) {
|
|
allocs := int(testing.AllocsPerRun(10000, func() {
|
|
_ = version.Short()
|
|
}))
|
|
if allocs > 0 {
|
|
t.Errorf("allocs = %v; want 0", allocs)
|
|
}
|
|
}
|