forked from rosa/hakurei
Ophestra
713bff3eb0
The wire format and behaviour is entirely undocumented. This is implemented by reading lib/kobject_uevent.c, with testdata collected from the internal/rosa kernel. Signed-off-by: Ophestra <cat@gensokyo.uk>
127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
package uevent_test
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import (
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"syscall"
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"testing"
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"hakurei.app/internal/uevent"
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)
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func TestMessage(t *testing.T) {
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t.Parallel()
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testCases := []struct {
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name string
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v uevent.Message
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want string
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wantErr error
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wantErrE error
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s string
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}{
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{"sample virtio-sound-pci add", uevent.Message{
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Action: uevent.KOBJ_ADD,
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DevPath: "/devices/pci0000:00/0000:00:04.0/virtio1",
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Env: []string{
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"ACTION=add",
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"DEVPATH=/devices/pci0000:00/0000:00:04.0/virtio1",
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"SUBSYSTEM=virtio",
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"MODALIAS=virtio:d00000019v00001AF4",
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"SEQNUM=779",
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},
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}, "add@/devices/pci0000:00/0000:00:04.0/virtio1\x00" +
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"ACTION=add\x00" +
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"DEVPATH=/devices/pci0000:00/0000:00:04.0/virtio1\x00" +
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"SUBSYSTEM=virtio\x00" +
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"MODALIAS=virtio:d00000019v00001AF4\x00" +
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"SEQNUM=779\x00",
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nil, nil, `add event on /devices/pci0000:00/0000:00:04.0/virtio1:
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ACTION=add
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DEVPATH=/devices/pci0000:00/0000:00:04.0/virtio1
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SUBSYSTEM=virtio
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MODALIAS=virtio:d00000019v00001AF4
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SEQNUM=779`},
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{"sample virtio-sound-pci bind", uevent.Message{
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Action: uevent.KOBJ_BIND,
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DevPath: "/devices/pci0000:00/0000:00:04.0",
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Env: []string{
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"ACTION=bind",
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"DEVPATH=/devices/pci0000:00/0000:00:04.0",
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"SUBSYSTEM=pci",
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"DRIVER=virtio-pci",
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"PCI_CLASS=40100",
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"PCI_ID=1AF4:1059",
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"PCI_SUBSYS_ID=1AF4:1100",
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"PCI_SLOT_NAME=0000:00:04.0",
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"MODALIAS=pci:v00001AF4d00001059sv00001AF4sd00001100bc04sc01i00",
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"SEQNUM=780",
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},
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}, "bind@/devices/pci0000:00/0000:00:04.0\x00" +
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"ACTION=bind\x00" +
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"DEVPATH=/devices/pci0000:00/0000:00:04.0\x00" +
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"SUBSYSTEM=pci\x00" +
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"DRIVER=virtio-pci\x00" +
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"PCI_CLASS=40100\x00" +
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"PCI_ID=1AF4:1059\x00" +
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"PCI_SUBSYS_ID=1AF4:1100\x00" +
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"PCI_SLOT_NAME=0000:00:04.0\x00" +
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"MODALIAS=pci:v00001AF4d00001059sv00001AF4sd00001100bc04sc01i00\x00" +
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"SEQNUM=780\x00", nil, nil, `bind event on /devices/pci0000:00/0000:00:04.0:
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ACTION=bind
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DEVPATH=/devices/pci0000:00/0000:00:04.0
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SUBSYSTEM=pci
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DRIVER=virtio-pci
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PCI_CLASS=40100
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PCI_ID=1AF4:1059
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PCI_SUBSYS_ID=1AF4:1100
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PCI_SLOT_NAME=0000:00:04.0
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MODALIAS=pci:v00001AF4d00001059sv00001AF4sd00001100bc04sc01i00
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SEQNUM=780`},
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{"zero devpath env", uevent.Message{
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Action: uevent.KOBJ_MOVE,
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}, "move@\x00", nil, nil, "move event:"},
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{"d final NUL e bad action", uevent.Message{
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Action: 0xbad,
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}, "move@\x00truncated", &uevent.MessageError{
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Data: "move@\x00truncated",
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Section: "truncated",
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Kind: uevent.MErrorKindFinalNUL,
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}, syscall.EINVAL, "unsupported kobject_action 2989 event:"},
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{"bad action", uevent.Message{
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Action: 0xbad,
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}, "nonexistent@\x00", uevent.UnsupportedActionError(
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"nonexistent",
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), syscall.EINVAL, "unsupported kobject_action 2989 event:"},
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{"d header sep e bad action", uevent.Message{
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Action: 0xbad,
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}, "move\x00", &uevent.MessageError{
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Data: "move\x00",
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Section: "move",
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Kind: uevent.MErrorKindHeaderSep,
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}, syscall.EINVAL, "unsupported kobject_action 2989 event:"},
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{"d missing header e bad action", uevent.Message{
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Action: 0xbad,
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}, "move", uevent.MissingHeaderError(
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"move",
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), syscall.EINVAL, "unsupported kobject_action 2989 event:"},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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adeB(t, "", tc.v, tc.want, tc.wantErr, tc.wantErrE)
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t.Run("string", func(t *testing.T) {
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if got := tc.v.String(); got != tc.s {
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t.Errorf("String: %q, want %q", got, tc.s)
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}
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})
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})
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}
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}
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