mirror of
https://github.com/captbaritone/webamp.git
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95 lines
3.5 KiB
JavaScript
95 lines
3.5 KiB
JavaScript
import Emitter from "../emitter";
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import createStore from "../store";
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import * as Actions from "../actionCreators";
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import * as Selectors from "../selectors";
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// Actually tests action creators too
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const media = {
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addEventListener: jest.fn(),
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setVolume: jest.fn(),
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setBalance: jest.fn(),
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setPreamp: jest.fn(),
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getAnalyser: () => null,
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on: jest.fn(),
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};
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test("The first tack is picked at random", () => {
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const store = createStore(media, new Emitter());
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const mockPreset = [
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{ type: "RESOLVED", name: "First", preset: {} },
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{ type: "RESOLVED", name: "Second", preset: {} },
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{ type: "RESOLVED", name: "Third", preset: {} },
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{ type: "RESOLVED", name: "Fourth", preset: {} },
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];
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Math.random = () => 0.5;
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// Just confirm that the default setting is correct
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expect(Selectors.getRandomizePresets(store.getState())).toBe(true);
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store.dispatch(Actions.loadPresets(mockPreset));
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(2);
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});
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test("handles history (prev/next) correctly", () => {
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const store = createStore(media, new Emitter());
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const mockPreset = [
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{ type: "RESOLVED", name: "First", preset: {} },
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{ type: "RESOLVED", name: "Second", preset: {} },
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];
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expect(Selectors.getRandomizePresets(store.getState())).toBe(true);
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store.dispatch(Actions.toggleRandomizePresets());
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expect(Selectors.getRandomizePresets(store.getState())).toBe(false);
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// Check initial state
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expect(store.getState().milkdrop.presetHistory).toEqual([]);
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expect(Selectors.getCurrentPreset(store.getState())).toBe(null);
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(null);
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// Load some presets
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store.dispatch(Actions.loadPresets(mockPreset));
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expect(store.getState().milkdrop.presetHistory).toEqual([0]);
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(0);
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// Select next
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store.dispatch(Actions.selectNextPreset());
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expect(store.getState().milkdrop.presetHistory).toEqual([0, 1]);
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(1);
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// Select previous
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store.dispatch(Actions.selectPreviousPreset());
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expect(store.getState().milkdrop.presetHistory).toEqual([0]);
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(0);
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// Next again
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store.dispatch(Actions.selectNextPreset());
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expect(store.getState().milkdrop.presetHistory).toEqual([0, 1]);
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(1);
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// Previous again
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store.dispatch(Actions.selectPreviousPreset());
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expect(store.getState().milkdrop.presetHistory).toEqual([0]);
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(0);
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});
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test("selectes the first preset in a new set when added", async () => {
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const store = createStore(media, new Emitter());
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const mockPreset = [
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{ type: "RESOLVED", name: "First", preset: {} },
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{ type: "RESOLVED", name: "Second", preset: {} },
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];
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store.dispatch(Actions.toggleRandomizePresets());
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// Load some presets
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store.dispatch(Actions.loadPresets(mockPreset));
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(0);
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const presetPromise = Promise.resolve({});
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// Load some more presets
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const newMockPresets = [
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{ type: "UNRESOLVED", name: "First", getPreset: () => presetPromise },
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];
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store.dispatch(Actions.loadPresets(newMockPresets));
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// The new presets are not selected right away
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(0);
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await presetPromise;
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// Once the first preset is loaded, it gets selected
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expect(Selectors.getCurrentPresetIndex(store.getState())).toBe(2);
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});
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