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* DHCP: fix and update tests 

for:
 + dhcp: handle lease expiration (d68600c5d0)
This commit is contained in:
Simon Zolin 2019-03-20 14:18:26 +03:00
parent 8defb3b39e
commit 9bc5a4570e
1 changed files with 22 additions and 4 deletions
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26
dhcpd/dhcpd_test.go
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@ -38,7 +38,7 @@ func TestDHCP(t *testing.T) {
p = make(dhcp4.Packet, 241)
// Reserve an IP
hw = []byte{1, 2, 3, 4, 5, 6}
hw = []byte{3, 2, 3, 4, 5, 6}
p.SetCHAddr(hw)
lease, _ = s.reserveLease(p)
check(t, bytes.Equal(lease.HWAddr, hw), "lease.HWAddr")
@ -54,10 +54,13 @@ func TestDHCP(t *testing.T) {
check(t, bytes.Equal(lease.HWAddr, hw), "lease.HWAddr")
check(t, bytes.Equal(lease.IP, []byte{1, 1, 1, 2}), "lease.IP")
// Reserve an IP - we have no more available IPs
p.SetCHAddr([]byte{3, 2, 3, 4, 5, 6})
// Reserve an IP - we have no more available IPs,
// so the first expired (or, in our case, not yet committed) lease is returned
hw = []byte{1, 2, 3, 4, 5, 6}
p.SetCHAddr(hw)
lease, _ = s.reserveLease(p)
check(t, lease == nil, "lease == nil")
check(t, bytes.Equal(lease.HWAddr, hw), "lease.HWAddr")
check(t, bytes.Equal(lease.IP, []byte{1, 1, 1, 1}), "lease.IP")
// Decline request for a lease which doesn't match our internal state
hw = []byte{1, 2, 3, 4, 5, 6}
@ -84,6 +87,21 @@ func TestDHCP(t *testing.T) {
check(t, bytes.Equal(opt[dhcp4.OptionIPAddressLeaseTime], dhcp4.OptionsLeaseTime(5*time.Second)), "OptionIPAddressLeaseTime")
check(t, bytes.Equal(opt[dhcp4.OptionServerIdentifier], s.ipnet.IP), "OptionServerIdentifier")
// Commit the previously reserved lease #2
hw = []byte{2, 2, 3, 4, 5, 6}
p.SetCHAddr(hw)
p.SetCIAddr([]byte{0, 0, 0, 0})
opt = make(dhcp4.Options, 10)
opt[dhcp4.OptionRequestedIPAddress] = []byte{1, 1, 1, 2}
p2 = s.handleDHCP4Request(p, opt)
check(t, bytes.Equal(p2.YIAddr(), []byte{1, 1, 1, 2}), "p2.YIAddr")
// Reserve an IP - we have no more available IPs
hw = []byte{3, 2, 3, 4, 5, 6}
p.SetCHAddr(hw)
lease, _ = s.reserveLease(p)
check(t, lease == nil, "lease == nil")
s.reset()
misc(t, &s)
}