Carlos Florêncio
34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { create } from "zustand";
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import { immer } from "zustand/middleware/immer";
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import { createFeaturesSlice, defaultFeaturesState } from "./features-slice";
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import type { FeaturesSlice } from "./types";
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function makeStore() {
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return create<FeaturesSlice>()(
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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immer((...a) => ({ ...(createFeaturesSlice as any)(...a) })),
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);
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}
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describe("features slice", () => {
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// Production-safety invariant: every flag must be false out of the box.
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// If this test starts failing because a new flag was added defaulting to
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// true, that is the bug — fix the default, not the test.
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it("defaults every flag to false", () => {
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const store = makeStore();
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for (const [name, value] of Object.entries(defaultFeaturesState.features)) {
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expect(value, `default of features.${name}`).toBe(false);
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}
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expect(store.getState().features.office).toBe(false);
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});
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it("setFeatures replaces the whole flag map", () => {
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const store = makeStore();
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store.getState().setFeatures({ office: true });
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expect(store.getState().features.office).toBe(true);
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store.getState().setFeatures({ office: false });
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expect(store.getState().features.office).toBe(false);
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});
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});
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