Files
proxy/internal/profile/store_test.go
T

142 lines
4.0 KiB
Go

package profile
import (
"errors"
"os"
"os/exec"
"path/filepath"
"syscall"
"testing"
"time"
)
type fakeIdentityEnvironment struct {
current UserIdentity
users map[string]UserIdentity
env map[string]string
}
func (f fakeIdentityEnvironment) CurrentUser() (UserIdentity, error) { return f.current, nil }
func (f fakeIdentityEnvironment) LookupUser(name string) (UserIdentity, error) {
identity, ok := f.users[name]
if !ok {
return UserIdentity{}, errors.New("not found")
}
return identity, nil
}
func (f fakeIdentityEnvironment) LookupEnv(name string) (string, bool) {
value, ok := f.env[name]
return value, ok
}
func TestFileStoreLockSerializesAcrossProcesses(t *testing.T) {
if path := os.Getenv("PROXYCTL_LOCK_HELPER_PATH"); path != "" {
store := NewFileStore(path)
_, err := store.Mutate(func(state State) (State, error) {
state.Profiles = append(state.Profiles, Profile{Name: "child"})
return state, nil
})
if err != nil {
t.Fatal(err)
}
return
}
path := filepath.Join(t.TempDir(), "proxyctl", "profiles.json")
store := NewFileStore(path)
if _, err := store.Mutate(func(state State) (State, error) { return state, nil }); err != nil {
t.Fatal(err)
}
lock, err := os.OpenFile(path+".lock", os.O_RDWR, 0o600)
if err != nil {
t.Fatal(err)
}
defer lock.Close()
if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_EX); err != nil {
t.Fatal(err)
}
command := exec.Command(os.Args[0], "-test.run=^TestFileStoreLockSerializesAcrossProcesses$")
command.Env = append(os.Environ(), "PROXYCTL_LOCK_HELPER_PATH="+path)
done := make(chan error, 1)
go func() { done <- command.Run() }()
select {
case err := <-done:
t.Fatalf("child mutation did not wait for lock: %v", err)
case <-time.After(100 * time.Millisecond):
}
if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_UN); err != nil {
t.Fatal(err)
}
select {
case err := <-done:
if err != nil {
t.Fatalf("child mutation after unlock: %v", err)
}
case <-time.After(5 * time.Second):
_ = command.Process.Kill()
t.Fatal("child mutation remained blocked after unlock")
}
state, err := store.Load()
if err != nil {
t.Fatal(err)
}
if len(state.Profiles) != 1 || state.Profiles[0].Name != "child" {
t.Fatalf("state after serialized child mutation = %#v", state)
}
}
func TestConfigPathUsesInvokingUserIdentityUnderSudo(t *testing.T) {
environment := fakeIdentityEnvironment{
current: UserIdentity{Username: "root", HomeDir: "/root"},
users: map[string]UserIdentity{"alice": {Username: "alice", HomeDir: "/home/alice"}},
env: map[string]string{
"SUDO_USER": "alice",
"XDG_CONFIG_HOME": "/home/alice/.xdg/config",
},
}
path, err := ConfigPathWith(environment)
if err != nil {
t.Fatal(err)
}
want := filepath.Join("/home/alice/.xdg/config", "proxyctl", "profiles.json")
if path != want {
t.Fatalf("configuration path = %q, want invoking user's XDG path %q", path, want)
}
}
func TestConfigPathDoesNotReuseRootXDGForInvokingUser(t *testing.T) {
environment := fakeIdentityEnvironment{
current: UserIdentity{Username: "root", HomeDir: "/root"},
users: map[string]UserIdentity{"alice": {Username: "alice", HomeDir: "/home/alice"}},
env: map[string]string{
"SUDO_USER": "alice",
"XDG_CONFIG_HOME": "/root/.config",
},
}
path, err := ConfigPathWith(environment)
if err != nil {
t.Fatal(err)
}
want := filepath.Join("/home/alice/.config", "proxyctl", "profiles.json")
if path != want {
t.Fatalf("configuration path = %q, want invoking user's fallback %q", path, want)
}
}
func TestConfigPathUsesRootForDirectRootLogin(t *testing.T) {
environment := fakeIdentityEnvironment{
current: UserIdentity{Username: "root", HomeDir: "/root"},
users: map[string]UserIdentity{},
env: map[string]string{"XDG_CONFIG_HOME": "/root/custom-config"},
}
path, err := ConfigPathWith(environment)
if err != nil {
t.Fatal(err)
}
want := filepath.Join("/root/custom-config", "proxyctl", "profiles.json")
if path != want {
t.Fatalf("configuration path = %q, want direct root path %q", path, want)
}
}