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Remove errors from LocalTrafficDetector constructors

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The constructors only return an error if you pass them invalid data,
but we only ever pass them data which has already been validated,
making the error checking just annoying. Just make them return garbage
output if you give them garbage input.
This commit is contained in:
Dan Winship
2024-01-28 09:38:55 -05:00
parent 59cecf8a36
commit 3db434d6be
6 changed files with 122 additions and 333 deletions
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118
pkg/proxy/util/localdetector_test.go
View File

@@ -38,46 +38,6 @@ func TestNoOpLocalDetector(t *testing.T) {
}
}
func TestNewDetectLocalByCIDR(t *testing.T) {
cases := []struct {
cidr string
errExpected bool
}{
{
cidr: "10.0.0.0/14",
errExpected: false,
},
{
cidr: "2002:0:0:1234::/64",
errExpected: false,
},
{
cidr: "10.0.0.0",
errExpected: true,
},
{
cidr: "2002:0:0:1234::",
errExpected: true,
},
{
cidr: "",
errExpected: true,
},
}
for i, c := range cases {
r, err := NewDetectLocalByCIDR(c.cidr)
if c.errExpected {
if err == nil {
t.Errorf("Case[%d] expected error, but succeeded with: %q", i, r)
}
continue
}
if err != nil {
t.Errorf("Case[%d] failed with error: %v", i, err)
}
}
}
func TestDetectLocalByCIDR(t *testing.T) {
cases := []struct {
cidr string
@@ -96,11 +56,7 @@ func TestDetectLocalByCIDR(t *testing.T) {
},
}
for _, c := range cases {
localDetector, err := NewDetectLocalByCIDR(c.cidr)
if err != nil {
t.Errorf("Error initializing localDetector: %v", err)
continue
}
localDetector := NewDetectLocalByCIDR(c.cidr)
if !localDetector.IsImplemented() {
t.Error("DetectLocalByCIDR returns false for IsImplemented")
}
@@ -118,66 +74,6 @@ func TestDetectLocalByCIDR(t *testing.T) {
}
}
func TestNewDetectLocalByBridgeInterface(t *testing.T) {
cases := []struct {
ifaceName string
errExpected bool
}{
{
ifaceName: "avz",
errExpected: false,
},
{
ifaceName: "",
errExpected: true,
},
}
for i, c := range cases {
r, err := NewDetectLocalByBridgeInterface(c.ifaceName)
if c.errExpected {
if err == nil {
t.Errorf("Case[%d] expected error, but succeeded with: %q", i, r)
}
continue
}
if err != nil {
t.Errorf("Case[%d] failed with error: %v", i, err)
}
}
}
func TestNewDetectLocalByInterfaceNamePrefix(t *testing.T) {
cases := []struct {
ifacePrefix string
errExpected bool
}{
{
ifacePrefix: "veth",
errExpected: false,
},
{
ifacePrefix: "cbr0",
errExpected: false,
},
{
ifacePrefix: "",
errExpected: true,
},
}
for i, c := range cases {
r, err := NewDetectLocalByInterfaceNamePrefix(c.ifacePrefix)
if c.errExpected {
if err == nil {
t.Errorf("Case[%d] expected error, but succeeded with: %q", i, r)
}
continue
}
if err != nil {
t.Errorf("Case[%d] failed with error: %v", i, err)
}
}
}
func TestDetectLocalByBridgeInterface(t *testing.T) {
cases := []struct {
ifaceName string
@@ -191,11 +87,7 @@ func TestDetectLocalByBridgeInterface(t *testing.T) {
},
}
for _, c := range cases {
localDetector, err := NewDetectLocalByBridgeInterface(c.ifaceName)
if err != nil {
t.Errorf("Error initializing localDetector: %v", err)
continue
}
localDetector := NewDetectLocalByBridgeInterface(c.ifaceName)
if !localDetector.IsImplemented() {
t.Error("DetectLocalByBridgeInterface returns false for IsImplemented")
}
@@ -228,11 +120,7 @@ func TestDetectLocalByInterfaceNamePrefix(t *testing.T) {
},
}
for _, c := range cases {
localDetector, err := NewDetectLocalByInterfaceNamePrefix(c.ifacePrefix)
if err != nil {
t.Errorf("Error initializing localDetector: %v", err)
continue
}
localDetector := NewDetectLocalByInterfaceNamePrefix(c.ifacePrefix)
if !localDetector.IsImplemented() {
t.Error("DetectLocalByInterfaceNamePrefix returns false for IsImplemented")
}