g6/tests/unit/layout/mds-spec.ts

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2019-12-30 01:21:15 +08:00
import G6 from '../../../src';
import data from './data';
const div = document.createElement('div');
div.id = 'mds-layout';
document.body.appendChild(div);
describe.only('mds', () => {
it('mds layout with default configs', () => {
const graph = new G6.Graph({
container: div,
layout: {
type: 'mds',
},
width: 500,
height: 500,
defaultNode: {
size: 10
}
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});
graph.data(data);
graph.render();
expect(data.nodes[0].x != null).toEqual(true);
graph.destroy();
});
it('mds with fixed link length', () => {
const graph = new G6.Graph({
container: div,
layout: {
type: 'mds',
center: [250, 250],
linkDistance: 120,
},
width: 500,
height: 500,
});
graph.data(data);
graph.render();
expect(data.nodes[0].x != null).toEqual(true);
graph.destroy();
});
it('mds layout with no node', () => {
const graph = new G6.Graph({
container: div,
layout: {
type: 'mds',
},
width: 500,
height: 500,
});
graph.data({
nodes: []
});
graph.render();
graph.destroy();
});
it('mds layout with one node', () => {
const graph = new G6.Graph({
container: div,
layout: {
type: 'mds',
},
width: 500,
height: 500,
});
graph.data({
nodes: [{
id: 'node'
}]
});
graph.render();
const nodeModel = graph.getNodes()[0].getModel();
expect(nodeModel.x).toEqual(250);
expect(nodeModel.y).toEqual(250);
graph.destroy();
});
it('mds layout with unconnected graph', () => {
const graph = new G6.Graph({
container: div,
layout: {
type: 'mds',
},
width: 500,
height: 500,
defaultNode: {
size: 10
}
});
graph.data({
nodes: [{
id: 'node0'
}, {
id: 'node1'
}, {
id: 'node2'
}],
edges: [{
source: 'node0',
target: 'node1'
}]
});
graph.render();
// const nodeModel = graph.getNodes()[0].getModel();
// expect(nodeModel.x).toEqual(250);
// expect(nodeModel.y).toEqual(250);
// graph.destroy();
});
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});