/usr/share/gocode/src/github.com/coreos/go-etcd/etcd/compare_and_swap_test.go is in golang-github-coreos-go-etcd-dev 2.0.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | package etcd
import (
"testing"
)
func TestCompareAndSwap(t *testing.T) {
c := NewClient(nil)
defer func() {
c.Delete("foo", true)
}()
c.Set("foo", "bar", 5)
// This should succeed
resp, err := c.CompareAndSwap("foo", "bar2", 5, "bar", 0)
if err != nil {
t.Fatal(err)
}
if !(resp.Node.Value == "bar2" && resp.Node.Key == "/foo" && resp.Node.TTL == 5) {
t.Fatalf("CompareAndSwap 1 failed: %#v", resp)
}
if !(resp.PrevNode.Value == "bar" && resp.PrevNode.Key == "/foo" && resp.PrevNode.TTL == 5) {
t.Fatalf("CompareAndSwap 1 prevNode failed: %#v", resp)
}
// This should fail because it gives an incorrect prevValue
resp, err = c.CompareAndSwap("foo", "bar3", 5, "xxx", 0)
if err == nil {
t.Fatalf("CompareAndSwap 2 should have failed. The response is: %#v", resp)
}
resp, err = c.Set("foo", "bar", 5)
if err != nil {
t.Fatal(err)
}
// This should succeed
resp, err = c.CompareAndSwap("foo", "bar2", 5, "", resp.Node.ModifiedIndex)
if err != nil {
t.Fatal(err)
}
if !(resp.Node.Value == "bar2" && resp.Node.Key == "/foo" && resp.Node.TTL == 5) {
t.Fatalf("CompareAndSwap 3 failed: %#v", resp)
}
if !(resp.PrevNode.Value == "bar" && resp.PrevNode.Key == "/foo" && resp.PrevNode.TTL == 5) {
t.Fatalf("CompareAndSwap 3 prevNode failed: %#v", resp)
}
// This should fail because it gives an incorrect prevIndex
resp, err = c.CompareAndSwap("foo", "bar3", 5, "", 29817514)
if err == nil {
t.Fatalf("CompareAndSwap 4 should have failed. The response is: %#v", resp)
}
}
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