veritatisquam/packages/core/src/tools.spec.ts

Carbon charting components, lerna monorepo

import { Tools } from './tools';

describe('Tools.getProperty', () => {
	it('works with a simple nested object containing a number > 0', () => {
		const obj = { a: { b: { c: 5 } } };

		expect(Tools.getProperty(obj, 'a', 'b', 'c')).toEqual(5);
	});

	it('works with a simple nested object containing a 0', () => {
		const obj = { a: { b: { c: 0 } } };

		expect(Tools.getProperty(obj, 'a', 'b', 'c')).toEqual(0);
	});

	it('works with a simple nested object containing `false`', () => {
		const obj = { a: { b: { c: false } } };

		expect(Tools.getProperty(obj, 'a', 'b', 'c')).toEqual(false);
	});

	it('works with a simple nested object containing `true`', () => {
		const obj = { a: { b: { c: true } } };

		expect(Tools.getProperty(obj, 'a', 'b', 'c')).toEqual(true);
	});

	it('works with a simple nested object containing a string', () => {
		const obj = { a: { b: { c: 'qwerty' } } };

		expect(Tools.getProperty(obj, 'a', 'b', 'c')).toEqual('qwerty');
	});

	it('works with a simple nested object containing an empty string', () => {
		const obj = { a: { b: { c: '' } } };

		expect(Tools.getProperty(obj, 'a', 'b', 'c')).toEqual('');
	});
});

describe('Tools.mergeDefaultChartOptions', () => {
	it('it merges default chart configuration with provided ones, with special cases for axes', () => {
		const providedOptions = {
			title: 'Title',
			axes: {
				bottom: {
					title: 'Title',
				},
				left: {
					scaleType: 'time',
				},
			},
		};

		const defaultOptions = {
			axes: {
				top: {
					includeZero: true,
				},
				bottom: {
					includeZero: true,
				},
				left: {
					includeZero: true,
				},
				right: {
					includeZero: true,
				},
			},
			timeScale: {
				addSpaceOnEdges: 1,
			},
		};

		const expectedMerge = {
			title: 'Title',
			axes: {
				bottom: {
					includeZero: true,
					title: 'Title',
					mapsTo: 'value',
				},
				left: {
					includeZero: true,
					scaleType: 'time',
					mapsTo: 'date',
				},
			},
			timeScale: {
				addSpaceOnEdges: 1,
			},
		};

		expect(
			Tools.mergeDefaultChartOptions(defaultOptions, providedOptions)
		).toEqual(expectedMerge);
	});
});