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rtnetlink: full test coverage for RouteMessage/Attributes parsing (#83)

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Signed-off-by: Matt Layher <mlayher@fastly.com>
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Matt Layher 2020-10-09 13:07:50 -04:00 committed by GitHub
parent 1080298718
commit 9c6f07d100
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1 changed files with 73 additions and 11 deletions
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84
route_test.go
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@ -117,15 +117,70 @@ func TestRouteMessageUnmarshalBinary(t *testing.T) {
err: errInvalidRouteMessageAttr,
},
{
name: "data",
name: "full",
b: []byte{
0x02, 0x08, 0x00, 0x00, 0xfe, 0x04, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x01, 0x00,
0x0a, 0x00, 0x00, 0x00, 0x08, 0x00, 0x07, 0x00,
0x0a, 0x64, 0x0a, 0x01, 0x08, 0x00, 0x04, 0x00,
0x05, 0x00, 0x00, 0x00, 0x08, 0x00, 0x17, 0x00,
0xe8, 0x03, 0x00, 0x00, 0x0c, 0x00, 0x08, 0x80,
0x08, 0x00, 0x02, 0x00, 0xdc, 0x05, 0x00, 0x00,
// RouteMessage struct literal
//
// Family
0x02,
// DstLength
0x08,
// SrcLength
0x00,
// Tos
0x00,
// Table
0xfe,
// Protocol
0x04,
// Scope
0x00,
// Type
0x01,
// Flags
0x00, 0x00, 0x00, 0x00,
// RouteAttributes
// 2 bytes length, 2 bytes type, N bytes value
//
// Dst
0x08, 0x00, 0x01, 0x00,
0x0a, 0x00, 0x00, 0x00,
// Src
0x08, 0x00, 0x07, 0x00,
0x0a, 0x64, 0x0a, 0x01,
// Gateway
0x08, 0x00, 0x05, 0x00,
0x0a, 0x00, 0x00, 0x01,
// OutIface
0x08, 0x00, 0x04, 0x00,
0x05, 0x00, 0x00, 0x00,
// Priority
0x08, 0x00, 0x06, 0x00,
0x01, 0x00, 0x00, 0x00,
// Table
0x08, 0x00, 0x0f, 0x00,
0x02, 0x00, 0x00, 0x00,
// Mark
0x08, 0x00, 0x10, 0x00,
0x03, 0x00, 0x00, 0x00,
// Expires
0x08, 0x00, 0x17, 0x00,
0xe8, 0x03, 0x00, 0x00,
// RouteMetrics
// Length must be manually adjusted as more fields are added.
0x24, 0x00, 0x08, 0x80,
// AdvMSS
0x08, 0x00, 0x08, 0x00,
0x01, 0x00, 0x00, 0x00,
// Features
0x08, 0x00, 0x0c, 0x00,
0xff, 0xff, 0xff, 0xff,
// InitCwnd
0x08, 0x00, 0x0b, 0x00,
0x02, 0x00, 0x00, 0x00,
// MTU
0x08, 0x00, 0x02, 0x00,
0xdc, 0x05, 0x00, 0x00,
},
m: &RouteMessage{
Family: 2,
@ -135,12 +190,19 @@ func TestRouteMessageUnmarshalBinary(t *testing.T) {
Scope: unix.RT_SCOPE_UNIVERSE,
Type: unix.RTN_UNICAST,
Attributes: RouteAttributes{
Dst: net.IP{0x0a, 0x00, 0x00, 0x00},
Src: net.IP{0x0a, 0x64, 0x0a, 0x01},
Dst: net.IPv4(10, 0, 0, 0),
Src: net.IPv4(10, 100, 10, 1),
Gateway: net.IPv4(10, 0, 0, 1),
OutIface: 5,
Priority: 1,
Table: 2,
Mark: 3,
Expires: &timeout,
Metrics: &RouteMetrics{
MTU: 1500,
AdvMSS: 1,
Features: 0xffffffff,
InitCwnd: 2,
MTU: 1500,
},
},
},