Carlos Florêncio
92 lines
2.6 KiB
TypeScript
92 lines
2.6 KiB
TypeScript
import { describe, it, expect, beforeEach, vi } from "vitest";
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import { readStorage, type SavedPreset } from "./use-saved-presets";
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const STORAGE_KEY = "kandev:github-presets:v1";
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// Provide a simple in-memory localStorage mock so the tests are not sensitive
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// to how the test runner exposes window.localStorage (e.g. Node's
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// --localstorage-file flag without a valid path).
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function makeLocalStorageMock() {
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const store = new Map<string, string>();
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return {
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getItem: (key: string) => store.get(key) ?? null,
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setItem: (key: string, value: string) => store.set(key, value),
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removeItem: (key: string) => store.delete(key),
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clear: () => store.clear(),
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get length() {
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return store.size;
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},
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key: (index: number) => Array.from(store.keys())[index] ?? null,
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};
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}
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const localStorageMock = makeLocalStorageMock();
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vi.stubGlobal("localStorage", localStorageMock);
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function set(raw: string | null) {
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if (raw === null) localStorageMock.removeItem(STORAGE_KEY);
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else localStorageMock.setItem(STORAGE_KEY, raw);
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}
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const valid: SavedPreset = {
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id: "p_1",
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kind: "pr",
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label: "My PRs",
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customQuery: "author:@me",
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repoFilter: "",
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createdAt: "2026-01-01T00:00:00Z",
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};
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describe("readStorage", () => {
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beforeEach(() => {
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localStorageMock.clear();
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});
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it("returns empty array when no value is stored", () => {
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expect(readStorage()).toEqual([]);
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});
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it("returns empty array for malformed JSON", () => {
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set("not-json{");
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expect(readStorage()).toEqual([]);
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});
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it("returns empty array when parsed value is not an array", () => {
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set(JSON.stringify({ id: "p_1" }));
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expect(readStorage()).toEqual([]);
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});
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it("keeps valid entries", () => {
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set(JSON.stringify([valid]));
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expect(readStorage()).toEqual([valid]);
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});
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it("drops entries missing an id", () => {
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const missingId = { ...valid } as Partial<SavedPreset>;
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delete missingId.id;
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set(JSON.stringify([missingId, valid]));
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expect(readStorage()).toEqual([valid]);
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});
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it("drops entries with invalid kind", () => {
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set(JSON.stringify([{ ...valid, kind: "commit" }, valid]));
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expect(readStorage()).toEqual([valid]);
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});
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it("drops non-object entries", () => {
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set(JSON.stringify(["string", 42, null, valid]));
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expect(readStorage()).toEqual([valid]);
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});
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it("drops entries with non-string label", () => {
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set(JSON.stringify([{ ...valid, label: 123 }, valid]));
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expect(readStorage()).toEqual([valid]);
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});
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it("accepts issue kind", () => {
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const issue: SavedPreset = { ...valid, kind: "issue" };
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set(JSON.stringify([issue]));
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expect(readStorage()).toEqual([issue]);
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});
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});
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