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feat(utils): add getIncomers function closes #461

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This commit is contained in:
moklick
2020-09-10 23:54:53 +02:00
parent 801f773e9a
commit 7f64ffe173
3 changed files with 28 additions and 3 deletions
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cypress/integration/flow/graph-utils.spec.js
+11 -2
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@@ -1,4 +1,4 @@
import { isNode, isEdge, getOutgoers, removeElements, addEdge } from '../../../src/utils/graph.ts';
import { isNode, isEdge, getOutgoers, getIncomers, removeElements, addEdge } from '../../../src/utils/graph.ts';
const nodes = [
{ id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 } },
@@ -10,6 +10,7 @@ const nodes = [
const edges = [
{ id: 'e1-2', source: '1', target: '2', animated: true },
{ id: 'e1-3', source: '1', target: '3' },
{ id: 'e2-3', source: '2', target: '3' },
];
const elements = [...nodes, ...edges];
@@ -29,10 +30,18 @@ describe('Graph Utils Testing', () => {
const outgoers = getOutgoers(nodes[0], elements);
expect(outgoers.length).to.be.equal(2);
const noOutgoers = getOutgoers(nodes[1], elements);
const noOutgoers = getOutgoers(nodes[2], elements);
expect(noOutgoers.length).to.be.equal(0);
});
it('tests getIncomers function', () => {
const incomers = getIncomers(nodes[2], elements);
expect(incomers.length).to.be.equal(2);
const noIncomers = getIncomers(nodes[0], elements);
expect(noIncomers.length).to.be.equal(0);
});
describe('tests addEdge function', () => {
it('adds edge', () => {
const newEdge = { source: '2', target: '3' };