scratch-paint/test/unit/tools-reducer.test.js
2017-07-27 00:34:33 -04:00

23 lines
1,003 B
JavaScript

/* eslint-env jest */
import ToolTypes from '../../src/tools/tool-types';
import reducer from '../../src/reducers/tools';
test('initialState', () => {
let defaultState;
expect(reducer(defaultState /* state */, {type: 'anything'} /* action */) in ToolTypes).toBeTruthy();
});
test('changeTool', () => {
let defaultState;
expect(reducer(defaultState /* state */, reducer.changeTool(ToolTypes.ERASER) /* action */)).toBe(ToolTypes.ERASER);
expect(reducer(ToolTypes.ERASER /* state */, reducer.changeTool(ToolTypes.ERASER) /* action */))
.toBe(ToolTypes.ERASER);
expect(reducer(ToolTypes.BRUSH /* state */, reducer.changeTool(ToolTypes.ERASER) /* action */))
.toBe(ToolTypes.ERASER);
});
test('invalidChangeTool', () => {
expect(reducer(ToolTypes.BRUSH /* state */, reducer.changeTool('non-existant tool') /* action */))
.toBe(ToolTypes.BRUSH);
expect(reducer(ToolTypes.BRUSH /* state */, reducer.changeTool() /* action */)).toBe(ToolTypes.BRUSH);
});