75 lines
2.2 KiB
TypeScript
75 lines
2.2 KiB
TypeScript
import { beforeEach, describe, expect, it, vi } from "vitest";
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const asyncStorageMock = vi.hoisted(() => ({
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getItem: vi.fn<(_: string) => Promise<string | null>>(),
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setItem: vi.fn<(_: string, __: string) => Promise<void>>(),
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}));
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vi.mock("@react-native-async-storage/async-storage", () => ({
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default: asyncStorageMock,
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}));
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describe("use-changes-preferences", () => {
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beforeEach(() => {
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vi.resetModules();
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asyncStorageMock.getItem.mockReset();
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asyncStorageMock.setItem.mockReset();
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});
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it("defaults to unified layout with visible whitespace", async () => {
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asyncStorageMock.getItem.mockResolvedValue(null);
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asyncStorageMock.setItem.mockResolvedValue();
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const mod = await import("./use-changes-preferences");
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const result = await mod.loadChangesPreferencesFromStorage();
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expect(result).toEqual(mod.DEFAULT_CHANGES_PREFERENCES);
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expect(asyncStorageMock.setItem).toHaveBeenCalledWith(
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"@paseo:changes-preferences",
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JSON.stringify(mod.DEFAULT_CHANGES_PREFERENCES),
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);
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});
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it("migrates the legacy wrap-lines toggle into the new preferences object", async () => {
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asyncStorageMock.getItem.mockImplementation(async (key: string) => {
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if (key === "diff-wrap-lines") {
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return "true";
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}
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return null;
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});
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asyncStorageMock.setItem.mockResolvedValue();
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const mod = await import("./use-changes-preferences");
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const result = await mod.loadChangesPreferencesFromStorage();
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expect(result).toEqual({
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layout: "unified",
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wrapLines: true,
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hideWhitespace: false,
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});
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});
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it("loads persisted layout and whitespace preferences", async () => {
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asyncStorageMock.getItem.mockImplementation(async (key: string) => {
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if (key === "@paseo:changes-preferences") {
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return JSON.stringify({
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layout: "split",
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hideWhitespace: true,
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wrapLines: false,
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});
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}
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return null;
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});
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const mod = await import("./use-changes-preferences");
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const result = await mod.loadChangesPreferencesFromStorage();
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expect(result).toEqual({
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layout: "split",
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hideWhitespace: true,
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wrapLines: false,
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});
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expect(asyncStorageMock.setItem).not.toHaveBeenCalled();
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});
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});
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