docker/pkg/registrar/registrar_test.go

120 строки
2.1 KiB
Go

package registrar
import (
"reflect"
"testing"
)
func TestReserve(t *testing.T) {
r := NewRegistrar()
obj := "test1"
if err := r.Reserve("test", obj); err != nil {
t.Fatal(err)
}
if err := r.Reserve("test", obj); err != nil {
t.Fatal(err)
}
obj2 := "test2"
err := r.Reserve("test", obj2)
if err == nil {
t.Fatalf("expected error when reserving an already reserved name to another object")
}
if err != ErrNameReserved {
t.Fatal("expected `ErrNameReserved` error when attempting to reserve an already reserved name")
}
}
func TestRelease(t *testing.T) {
r := NewRegistrar()
obj := "testing"
if err := r.Reserve("test", obj); err != nil {
t.Fatal(err)
}
r.Release("test")
r.Release("test") // Ensure there is no panic here
if err := r.Reserve("test", obj); err != nil {
t.Fatal(err)
}
}
func TestGetNames(t *testing.T) {
r := NewRegistrar()
obj := "testing"
names := []string{"test1", "test2"}
for _, name := range names {
if err := r.Reserve(name, obj); err != nil {
t.Fatal(err)
}
}
r.Reserve("test3", "other")
names2, err := r.GetNames(obj)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(names, names2) {
t.Fatalf("Exepected: %v, Got: %v", names, names2)
}
}
func TestDelete(t *testing.T) {
r := NewRegistrar()
obj := "testing"
names := []string{"test1", "test2"}
for _, name := range names {
if err := r.Reserve(name, obj); err != nil {
t.Fatal(err)
}
}
r.Reserve("test3", "other")
r.Delete(obj)
_, err := r.GetNames(obj)
if err == nil {
t.Fatal("expected error getting names for deleted key")
}
if err != ErrNoSuchKey {
t.Fatal("expected `ErrNoSuchKey`")
}
}
func TestGet(t *testing.T) {
r := NewRegistrar()
obj := "testing"
name := "test"
_, err := r.Get(name)
if err == nil {
t.Fatal("expected error when key does not exist")
}
if err != ErrNameNotReserved {
t.Fatal(err)
}
if err := r.Reserve(name, obj); err != nil {
t.Fatal(err)
}
if _, err = r.Get(name); err != nil {
t.Fatal(err)
}
r.Delete(obj)
_, err = r.Get(name)
if err == nil {
t.Fatal("expected error when key does not exist")
}
if err != ErrNameNotReserved {
t.Fatal(err)
}
}