@ledgerhq/live-common/lib/hooks/useLdmkFeatureFlagInitiallyEnabled.test.js

Common ground for the Ledger Live apps

"use strict";
/**
 * @jest-environment jsdom
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = require("@testing-library/react");
const featureFlags = __importStar(require("../featureFlags"));
const useLdmkFeatureFlagInitiallyEnabled_1 = require("./useLdmkFeatureFlagInitiallyEnabled");
describe("useLdmkFeatureFlagInitiallyEnabled", () => {
    let useFeatureSpy;
    beforeEach(() => {
        useFeatureSpy = jest.spyOn(featureFlags, "useFeature").mockReturnValue({ enabled: true });
    });
    afterEach(() => {
        useFeatureSpy.mockRestore();
    });
    it("returns true if feature flag is enabled", () => {
        useFeatureSpy.mockReturnValue({ enabled: true });
        const { result } = (0, react_1.renderHook)(() => (0, useLdmkFeatureFlagInitiallyEnabled_1.useLdmkFeatureFlagInitiallyEnabled)());
        expect(result.current).toBe(true);
    });
    it("returns false if feature flag is disabled", () => {
        useFeatureSpy.mockReturnValue({ enabled: false });
        const { result } = (0, react_1.renderHook)(() => (0, useLdmkFeatureFlagInitiallyEnabled_1.useLdmkFeatureFlagInitiallyEnabled)());
        expect(result.current).toBe(false);
    });
    it("preserves the initial value even if the feature flag changes", () => {
        useFeatureSpy
            .mockReturnValueOnce({ enabled: false }) // first render
            .mockReturnValue({ enabled: true }); // subsequent renders
        const { result, rerender } = (0, react_1.renderHook)(() => (0, useLdmkFeatureFlagInitiallyEnabled_1.useLdmkFeatureFlagInitiallyEnabled)());
        expect(result.current).toBe(false); // initial value
        rerender();
        expect(result.current).toBe(false); // remains the same
    });
});
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