diff --git a/store_test.go b/store_test.go
new file mode 100644
index 0000000..e8f7ce9
--- /dev/null
+++ b/store_test.go
@@ -0,0 +1,69 @@
+package main
+
+import "os"
+import "testing"
+
+func TestStore(t *testing.T) {
+	dir, err := os.MkdirTemp("", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(dir)
+
+	store := NewStore(dir)
+
+	err = store.Write(&storeTest{
+		Id:     "id1",
+		Opaque: "foo",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = store.Write(&storeTest{
+		Id:     "id2",
+		Opaque: "bar",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	out1 := &storeTest{
+		Id: "id1",
+	}
+
+	err = store.Read(out1)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if out1.Opaque != "foo" {
+		t.Errorf("Mismatach: %+v", out1)
+	}
+
+	out2 := &storeTest{
+		Id: "id2",
+	}
+
+	err = store.Read(out2)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if out2.Opaque != "bar" {
+		t.Errorf("Mismatach: %+v", out2)
+	}
+}
+
+type storeTest struct {
+	Id     string
+	Opaque string
+}
+
+func (st *storeTest) GetType() string {
+	return "storeTest"
+}
+
+func (st *storeTest) GetId() string {
+	return st.Id
+}