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yunginnanetadrianchiris
yunginnanet
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adrianchiris
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tests: Improve address unit test infrastructure
Signed-off-by: kayos@tcp.direct <kayos@tcp.direct>
1 parent cb48698 commit 38b1229

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+107
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‎addr_test.go‎

Lines changed: 107 additions & 78 deletions
Original file line numberDiff line numberDiff line change
@@ -20,123 +20,152 @@ func TestAddrReplace(t *testing.T) {
2020
DoTestAddr(t, AddrReplace)
2121
}
2222

23+
type addrTest struct {
24+
name string
25+
addr *Addr
26+
expected *Addr
27+
canFail bool
28+
t *testing.T
29+
}
30+
31+
func (at *addrTest) Fatal(a interface{}) {
32+
at.t.Helper()
33+
if !at.canFail {
34+
at.t.Fatal(a)
35+
return
36+
}
37+
at.t.Skipf("Non-fatal: %v", a)
38+
}
39+
40+
func (at *addrTest) Fatalf(fmt string, a ...interface{}) {
41+
at.t.Helper()
42+
if !at.canFail {
43+
at.t.Fatalf(fmt, a...)
44+
return
45+
}
46+
at.t.Skipf("Non-fatal: "+fmt, a...)
47+
}
48+
2349
func DoTestAddr(t *testing.T, FunctionUndertest func(Link, *Addr) error) {
2450
if os.Getenv("CI") == "true" {
2551
t.Skipf("Fails in CI with: addr_test.go:*: Address flags not set properly, got=128, expected=132")
2652
}
53+
2754
// TODO: IFA_F_PERMANENT does not seem to be set by default on older kernels?
2855
// TODO: IFA_F_OPTIMISTIC failing in CI. should we just skip that one check?
2956
var address = &net.IPNet{IP: net.IPv4(127, 0, 0, 2), Mask: net.CIDRMask(32, 32)}
3057
var peer = &net.IPNet{IP: net.IPv4(127, 0, 0, 3), Mask: net.CIDRMask(24, 32)}
31-
var addrTests = []struct {
32-
addr *Addr
33-
expected *Addr
34-
}{
58+
var addrTests = []addrTest{
3559
{
36-
&Addr{IPNet: address},
37-
&Addr{IPNet: address, Label: "lo", Scope: unix.RT_SCOPE_UNIVERSE, Flags: unix.IFA_F_PERMANENT},
60+
name: "lo_uni_perm", addr: &Addr{IPNet: address},
61+
expected: &Addr{IPNet: address, Label: "lo", Scope: unix.RT_SCOPE_UNIVERSE, Flags: unix.IFA_F_PERMANENT},
3862
},
3963
{
40-
&Addr{IPNet: address, Label: "local"},
41-
&Addr{IPNet: address, Label: "local", Scope: unix.RT_SCOPE_UNIVERSE, Flags: unix.IFA_F_PERMANENT},
64+
name: "local_uni_perm", addr: &Addr{IPNet: address, Label: "local"},
65+
expected: &Addr{IPNet: address, Label: "local", Scope: unix.RT_SCOPE_UNIVERSE, Flags: unix.IFA_F_PERMANENT},
4266
},
4367
{
44-
&Addr{IPNet: address, Flags: unix.IFA_F_OPTIMISTIC},
45-
&Addr{IPNet: address, Label: "lo", Flags: unix.IFA_F_OPTIMISTIC | unix.IFA_F_PERMANENT, Scope: unix.RT_SCOPE_UNIVERSE},
68+
name: "lo_uni_optimistic_perm", addr: &Addr{IPNet: address, Flags: unix.IFA_F_OPTIMISTIC}, canFail: true,
69+
expected: &Addr{IPNet: address, Label: "lo", Flags: unix.IFA_F_OPTIMISTIC | unix.IFA_F_PERMANENT, Scope: unix.RT_SCOPE_UNIVERSE},
4670
},
4771
{
48-
&Addr{IPNet: address, Flags: unix.IFA_F_OPTIMISTIC | unix.IFA_F_DADFAILED},
49-
&Addr{IPNet: address, Label: "lo", Flags: unix.IFA_F_OPTIMISTIC | unix.IFA_F_DADFAILED | unix.IFA_F_PERMANENT, Scope: unix.RT_SCOPE_UNIVERSE},
72+
// Is this a valid scenario for IPv4?
73+
name: "lo_uni_optimistic_perm_dupe", addr: &Addr{IPNet: address, Flags: unix.IFA_F_OPTIMISTIC | unix.IFA_F_DADFAILED}, canFail: true,
74+
expected: &Addr{IPNet: address, Label: "lo", Flags: unix.IFA_F_OPTIMISTIC | unix.IFA_F_DADFAILED | unix.IFA_F_PERMANENT, Scope: unix.RT_SCOPE_UNIVERSE},
5075
},
5176
{
52-
&Addr{IPNet: address, Scope: unix.RT_SCOPE_NOWHERE},
53-
&Addr{IPNet: address, Label: "lo", Flags: unix.IFA_F_PERMANENT, Scope: unix.RT_SCOPE_NOWHERE},
77+
name: "lo_nullroute_perm", addr: &Addr{IPNet: address, Scope: unix.RT_SCOPE_NOWHERE},
78+
expected: &Addr{IPNet: address, Label: "lo", Flags: unix.IFA_F_PERMANENT, Scope: unix.RT_SCOPE_NOWHERE},
5479
},
5580
{
56-
&Addr{IPNet: address, Peer: peer},
57-
&Addr{IPNet: address, Peer: peer, Label: "lo", Scope: unix.RT_SCOPE_UNIVERSE, Flags: unix.IFA_F_PERMANENT},
81+
name: "lo_uni_perm_with_peer", addr: &Addr{IPNet: address, Peer: peer},
82+
expected: &Addr{IPNet: address, Peer: peer, Label: "lo", Scope: unix.RT_SCOPE_UNIVERSE, Flags: unix.IFA_F_PERMANENT},
5883
},
5984
}
6085

61-
tearDown := setUpNetlinkTest(t)
62-
defer tearDown()
86+
for _, tt := range addrTests {
87+
t.Run(tt.name, func(t *testing.T) {
88+
tt.t = t
6389

64-
link, err := LinkByName("lo")
65-
if err != nil {
66-
t.Fatal(err)
67-
}
90+
tearDown := setUpNetlinkTest(t)
91+
defer tearDown()
6892

69-
for _, tt := range addrTests {
70-
if err = FunctionUndertest(link, tt.addr); err != nil {
71-
t.Fatal(err)
72-
}
93+
link, err := LinkByName("lo")
94+
if err != nil {
95+
tt.Fatal(err)
96+
}
7397

74-
addrs, err := AddrList(link, FAMILY_ALL)
75-
if err != nil {
76-
t.Fatal(err)
77-
}
98+
if err = FunctionUndertest(link, tt.addr); err != nil {
99+
tt.Fatal(err)
100+
}
78101

79-
if len(addrs) != 1 {
80-
t.Fatal("Address not added properly")
81-
}
102+
addrs, err := AddrList(link, FAMILY_ALL)
103+
if err != nil {
104+
tt.Fatal(err)
105+
}
82106

83-
if !addrs[0].Equal(*tt.expected) {
84-
t.Fatalf("Address ip no set properly, got=%s, expected=%s", addrs[0], tt.expected)
85-
}
107+
if len(addrs) != 1 {
108+
tt.Fatal("Address not added properly")
109+
}
86110

87-
if addrs[0].Label != tt.expected.Label {
88-
t.Fatalf("Address label not set properly, got=%s, expected=%s", addrs[0].Label, tt.expected.Label)
89-
}
111+
if !addrs[0].Equal(*tt.expected) {
112+
tt.Fatalf("Address ip not set properly, got=%s, expected=%s", addrs[0], tt.expected)
113+
}
90114

91-
if addrs[0].Flags != tt.expected.Flags {
92-
t.Fatalf("Address flags not set properly, got=%d, expected=%d", addrs[0].Flags, tt.expected.Flags)
93-
}
115+
if addrs[0].Label != tt.expected.Label {
116+
tt.Fatalf("Address label not set properly, got=%s, expected=%s", addrs[0].Label, tt.expected.Label)
117+
}
94118

95-
if addrs[0].Scope != tt.expected.Scope {
96-
t.Fatalf("Address scope not set properly, got=%d, expected=%d", addrs[0].Scope, tt.expected.Scope)
97-
}
119+
if addrs[0].Flags != tt.expected.Flags {
120+
tt.Fatalf("Address flags not set properly, got=%d, expected=%d", addrs[0].Flags, tt.expected.Flags)
121+
}
98122

99-
if ifindex := link.Attrs().Index; ifindex != addrs[0].LinkIndex {
100-
t.Fatalf("Address ifindex not set properly, got=%d, expected=%d", addrs[0].LinkIndex, ifindex)
101-
}
123+
if addrs[0].Scope != tt.expected.Scope {
124+
tt.Fatalf("Address scope not set properly, got=%d, expected=%d", addrs[0].Scope, tt.expected.Scope)
125+
}
102126

103-
if tt.expected.Peer != nil {
104-
if !addrs[0].PeerEqual(*tt.expected) {
105-
t.Fatalf("Peer Address ip no set properly, got=%s, expected=%s", addrs[0].Peer, tt.expected.Peer)
127+
if ifindex := link.Attrs().Index; ifindex != addrs[0].LinkIndex {
128+
tt.Fatalf("Address ifindex not set properly, got=%d, expected=%d", addrs[0].LinkIndex, ifindex)
106129
}
107-
}
108130

109-
// Pass FAMILY_V4, we should get the same results as FAMILY_ALL
110-
addrs, err = AddrList(link, FAMILY_V4)
111-
if err != nil {
112-
t.Fatal(err)
113-
}
114-
if len(addrs) != 1 {
115-
t.Fatal("Address not added properly")
116-
}
131+
if tt.expected.Peer != nil {
132+
if !addrs[0].PeerEqual(*tt.expected) {
133+
tt.Fatalf("Peer Address ip not set properly, got=%s, expected=%s", addrs[0].Peer, tt.expected.Peer)
134+
}
135+
}
117136

118-
// Pass a wrong family number, we should get nil list
119-
addrs, err = AddrList(link, 0x8)
120-
if err != nil {
121-
t.Fatal(err)
122-
}
137+
// Pass FAMILY_V4, we should get the same results as FAMILY_ALL
138+
addrs, err = AddrList(link, FAMILY_V4)
139+
if err != nil {
140+
tt.Fatal(err)
141+
}
142+
if len(addrs) != 1 {
143+
tt.Fatal("Address not added properly")
144+
}
123145

124-
if len(addrs) != 0 {
125-
t.Fatal("Address not expected")
126-
}
146+
// Pass a wrong family number, we should get nil list
147+
addrs, err = AddrList(link, 0x8)
148+
if err != nil {
149+
tt.Fatal(err)
150+
}
127151

128-
if err = AddrDel(link, tt.addr); err != nil {
129-
t.Fatal(err)
130-
}
152+
if len(addrs) != 0 {
153+
tt.Fatal("Address not expected")
154+
}
131155

132-
addrs, err = AddrList(link, FAMILY_ALL)
133-
if err != nil {
134-
t.Fatal(err)
135-
}
156+
if err = AddrDel(link, tt.addr); err != nil {
157+
tt.Fatal(err)
158+
}
136159

137-
if len(addrs) != 0 {
138-
t.Fatal("Address not removed properly")
139-
}
160+
addrs, err = AddrList(link, FAMILY_ALL)
161+
if err != nil {
162+
tt.Fatal(err)
163+
}
164+
165+
if len(addrs) != 0 {
166+
tt.Fatal("Address not removed properly")
167+
}
168+
})
140169
}
141170

142171
}

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