kingraph/lib/apply_style.test.js

Plots family trees using JavaScript and Graphviz

const test = require('tape');
const applyStyle = require('./apply_style');

test('applyStyle()', t => {
    let out;

    let data = {
        styles: {
            'hello': { color: 'gold', dir: 'none' },
            'world': { style: 'filled', color: 'blue' }
        }
    };

    out = applyStyle(data, ['hello']);
    t.deepEqual(out, ['color="gold"', 'dir="none"'],
        'single class');

    out = applyStyle(data, ['world']);
    t.deepEqual(out, ['style="filled"', 'color="blue"'],
        'single class');

    out = applyStyle(data, ['hello', 'world']);
    t.deepEqual(out, ['color="blue"', 'dir="none"', 'style="filled"'],
        'multiple classes');

    out = applyStyle(data, ['world', 'hello']);
    t.deepEqual(out, ['color="blue"', 'dir="none"', 'style="filled"'],
        'multiple classes, reordered');

    out = applyStyle(data, ['hello'], { before: { color: 'red' } });
    t.deepEqual(out, ['color="gold"', 'dir="none"'],
        'before');

    out = applyStyle(data, ['hello'], { after: { color: 'red' } });
    t.deepEqual(out, ['color="red"', 'dir="none"'],
        'after');

    t.end();
});