@ledgerhq/live-common
Version:
Common ground for the Ledger Live apps
161 lines • 6.39 kB
JavaScript
import { deleteAppData } from "./deleteAppData";
import { DeleteAppDataError, DeleteAppDataEventType, } from "./types";
import { DeviceModelId } from "@ledgerhq/devices";
jest.mock("@ledgerhq/hw-transport");
describe("deleteAppData", () => {
let appName;
let deviceModelId;
let storageProvider;
const setItem = jest.fn();
const getItem = jest.fn();
const removeItem = jest.fn();
beforeEach(() => {
appName = "MyApp";
deviceModelId = DeviceModelId.stax;
storageProvider = {
getItem,
setItem,
removeItem,
};
});
afterEach(() => {
jest.clearAllMocks();
});
describe("success case", () => {
it("should delete the app data by emitting relative events sequentially", done => {
const deleteObservable = deleteAppData(appName, deviceModelId, storageProvider);
const events = [];
getItem.mockResolvedValue({
appDataInfo: {
size: 6,
dataVersion: "test",
hasSettings: true,
hasData: true,
hash: "test",
},
appData: "bGVkZ2Vy", // base64 encoded "ledger"
});
removeItem.mockResolvedValue(undefined);
deleteObservable.subscribe({
next: (event) => events.push(event),
complete: () => {
expect(events).toHaveLength(2);
expect(events[0]).toEqual({
type: DeleteAppDataEventType.AppDataDeleteStarted,
});
expect(events[1]).toEqual({
type: DeleteAppDataEventType.AppDataDeleted,
});
done();
},
error: (e) => {
done(e);
},
});
});
it("should emit specific event when there is no app data to delete", done => {
const deleteObservable = deleteAppData(appName, deviceModelId, storageProvider);
const events = [];
getItem.mockResolvedValue(null);
deleteObservable.subscribe({
next: (event) => events.push(event),
complete: () => {
expect(events).toHaveLength(2);
expect(events[0]).toEqual({
type: DeleteAppDataEventType.AppDataDeleteStarted,
});
expect(events[1]).toEqual({
type: DeleteAppDataEventType.NoAppDataToDelete,
});
done();
},
error: (e) => {
done(e);
},
});
});
});
describe("error case", () => {
it("should emit an error event when there is an error during the deletion process", done => {
const deleteObservable = deleteAppData(appName, deviceModelId, storageProvider);
const events = [];
getItem.mockResolvedValue({
appDataInfo: {
size: 6,
dataVersion: "test",
hasSettings: true,
hasData: true,
hash: "test",
},
appData: "bGVkZ2Vy", // base64 encoded "ledger"
});
removeItem.mockRejectedValue(new Error("Failed to delete app data"));
// Subscribe to the observable to receive the delete events
deleteObservable.subscribe({
next: (event) => events.push(event),
complete: () => {
done(new Error("Complete should not be called"));
},
error: (e) => {
try {
expect(events).toHaveLength(1);
expect(events[0]).toEqual({
type: DeleteAppDataEventType.AppDataDeleteStarted,
});
expect(e).toBeInstanceOf(DeleteAppDataError);
expect(e.message).toBe("Failed to delete app data");
done();
}
catch (error) {
done(error);
}
},
});
});
it("should emit an error event when there is an error getting the app data from storage", done => {
const deleteObservable = deleteAppData(appName, deviceModelId, storageProvider);
getItem.mockRejectedValue(new Error("Error fetching app data"));
const events = [];
deleteObservable.subscribe({
next: (event) => events.push(event),
complete: () => {
done(new Error("Complete should not be called"));
},
error: (e) => {
try {
expect(events).toHaveLength(1);
expect(events[0]).toEqual({
type: DeleteAppDataEventType.AppDataDeleteStarted,
});
expect(e).toEqual(new Error("Error fetching app data"));
done();
}
catch (error) {
done(error);
}
},
});
});
it("should emit an error event when there is an unkown error getting the app data from storage", done => {
const deleteObservable = deleteAppData(appName, deviceModelId, storageProvider);
getItem.mockRejectedValue(null);
const events = [];
deleteObservable.subscribe({
next: (event) => events.push(event),
complete: () => {
done(new Error("Complete should not be called"));
},
error: (e) => {
try {
expect(e).toEqual(new Error("Unknown error"));
done();
}
catch (error) {
done(error);
}
},
});
});
});
});
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