Select Git revision
counterSlice.test.js
Forked from
SOFT Core / SOFT 260 / React Redux Starter Code
Source project has a limited visibility.
-
Brady James Garvin authoredBrady James Garvin authored
counterSlice.test.js 783 B
/* eslint-disable no-magic-numbers */
import counterSlice, {
selectValue,
setValue,
} from './counterSlice.js';
describe('the initial state', () => {
test('has a value of zero', () => {
const state = counterSlice.reducer(undefined, {});
expect(state).toEqual({
value: 0,
});
});
});
describe('selectValue', () => {
test('reads the stored value', () => {
const state = {
value: 9999,
};
const result = selectValue({ [counterSlice.name]: state });
expect(result).toBe(9999);
});
});
describe('setValue', () => {
test('overwrites the stored value', () => {
const state = counterSlice.reducer({
value: 8888,
}, setValue({
value: 9999,
}));
expect(state).toEqual({
value: 9999,
});
});
});