22 lines
750 B
JavaScript
22 lines
750 B
JavaScript
import actions from 'background/actions';
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import tabReducer from 'background/reducers/tab';
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describe("tab reducer", () => {
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it('return the initial state', () => {
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let state = tabReducer(undefined, {});
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expect(state.previousSelected).to.equal(-1);
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expect(state.currentSelected).to.equal(-1);
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});
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it('return next state for TAB_SELECTED', () => {
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let state = undefined;
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state = tabReducer(state, { type: actions.TAB_SELECTED, tabId: 123 });
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expect(state.previousSelected).to.equal(-1);
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expect(state.currentSelected).to.equal(123);
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state = tabReducer(state, { type: actions.TAB_SELECTED, tabId: 456 });
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expect(state.previousSelected).to.equal(123);
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expect(state.currentSelected).to.equal(456);
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});
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});
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