Initial checkin from CRI-O repo

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

1 files changed, 119 insertions, 0 deletions

diff --git a/pkg/registrar/registrar_test.go b/pkg/registrar/registrar_test.go
new file mode 100644
index 000000000..0c1ef312a
--- /dev/null
+++ b/pkg/registrar/registrar_test.go
@@ -0,0 +1,119 @@
+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)
+	}
+}