New Ignite 7.0.6 app

1 files changed, 39 insertions, 0 deletions

diff --git a/app/utils/storage/storage.test.ts b/app/utils/storage/storage.test.ts
new file mode 100644
index 0000000..d5cd977
--- /dev/null
+++ b/app/utils/storage/storage.test.ts
@@ -0,0 +1,39 @@
+import AsyncStorage from "@react-native-async-storage/async-storage"
+import { load, loadString, save, saveString, clear, remove } from "./storage"
+
+// fixtures
+const VALUE_OBJECT = { x: 1 }
+const VALUE_STRING = JSON.stringify(VALUE_OBJECT)
+
+beforeEach(() => (AsyncStorage.getItem as jest.Mock).mockReturnValue(Promise.resolve(VALUE_STRING)))
+afterEach(() => jest.clearAllMocks())
+
+test("load", async () => {
+  const value = await load("something")
+  expect(value).toEqual(JSON.parse(VALUE_STRING))
+})
+
+test("loadString", async () => {
+  const value = await loadString("something")
+  expect(value).toEqual(VALUE_STRING)
+})
+
+test("save", async () => {
+  await save("something", VALUE_OBJECT)
+  expect(AsyncStorage.setItem).toHaveBeenCalledWith("something", VALUE_STRING)
+})
+
+test("saveString", async () => {
+  await saveString("something", VALUE_STRING)
+  expect(AsyncStorage.setItem).toHaveBeenCalledWith("something", VALUE_STRING)
+})
+
+test("remove", async () => {
+  await remove("something")
+  expect(AsyncStorage.removeItem).toHaveBeenCalledWith("something")
+})
+
+test("clear", async () => {
+  await clear()
+  expect(AsyncStorage.clear).toHaveBeenCalledWith()
+})