template_0205

RN_TEMPLATE/app/utils/storage/storage.test.ts

@@ -0,0 +1,61 @@
+import { load, loadString, save, saveString, clear, remove, storage } from "."
+
+const VALUE_OBJECT = { x: 1 }
+const VALUE_STRING = JSON.stringify(VALUE_OBJECT)
+
+describe("MMKV Storage", () => {
+  beforeEach(() => {
+    storage.clearAll()
+    storage.set("string", "string")
+    storage.set("object", JSON.stringify(VALUE_OBJECT))
+  })
+
+  it("should be defined", () => {
+    expect(storage).toBeDefined()
+  })
+
+  it("should have default keys", () => {
+    expect(storage.getAllKeys()).toEqual(["string", "object"])
+  })
+
+  it("should load data", () => {
+    expect(load<object>("object")).toEqual(VALUE_OBJECT)
+    expect(loadString("object")).toEqual(VALUE_STRING)
+
+    expect(load<string>("string")).toEqual("string")
+    expect(loadString("string")).toEqual("string")
+  })
+
+  it("should save strings", () => {
+    saveString("string", "new string")
+    expect(loadString("string")).toEqual("new string")
+  })
+
+  it("should save objects", () => {
+    save("object", { y: 2 })
+    expect(load<object>("object")).toEqual({ y: 2 })
+    save("object", { z: 3, also: true })
+    expect(load<object>("object")).toEqual({ z: 3, also: true })
+  })
+
+  it("should save strings and objects", () => {
+    saveString("object", "new string")
+    expect(loadString("object")).toEqual("new string")
+  })
+
+  it("should remove data", () => {
+    remove("object")
+    expect(load<object>("object")).toBeNull()
+    expect(storage.getAllKeys()).toEqual(["string"])
+
+    remove("string")
+    expect(load<string>("string")).toBeNull()
+    expect(storage.getAllKeys()).toEqual([])
+  })
+
+  it("should clear all data", () => {
+    expect(storage.getAllKeys()).toEqual(["string", "object"])
+    clear()
+    expect(storage.getAllKeys()).toEqual([])
+  })
+})