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add IP assignment idempotency test

This commit is contained in:
Leo Antunes 2019-03-29 20:50:44 +01:00
parent e4a22c7ee5
commit 944fca4dfd
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1 changed files with 12 additions and 0 deletions
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12
wireguard_test.go
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@ -85,3 +85,15 @@ func Test_wgState_assignOverlayAddr_no_obvious_collisions(t *testing.T) {
assignments[wg.OverlayAddr.String()] = n
}
}
// This should ensure the obvious fact that the same name should map to the same IP if called twice.
func Test_wgState_assignOverlayAddr_repeatable(t *testing.T) {
ipnet := &net.IPNet{IP: net.ParseIP("10.0.0.0"), Mask: net.CIDRMask(24, 32)}
wg1 := &wgState{}
wg1.assignOverlayAddr(ipnet, "test")
wg2 := &wgState{}
wg2.assignOverlayAddr(ipnet, "test")
if wg1.OverlayAddr.String() != wg2.OverlayAddr.String() {
t.Errorf("assignOverlayAddr() %s != %s", wg1.OverlayAddr, wg2.OverlayAddr)
}
}