#916 Allow chaining of vertice in flowcharts

src/diagrams/flowchart/parser/flow-vertice-chaining.spec.js

@@ -0,0 +1,38 @@
+import flowDb from '../flowDb'
+import flow from './flow'
+import { setConfig } from '../../../config'
+
+setConfig({
+  securityLevel: 'strict',
+})
+
+describe('when parsing flowcharts', function () {
+  beforeEach(function () {
+    flow.parser.yy = flowDb
+    flow.parser.yy.clear()
+  })
+
+  it('should handle chaining of vertices', function () {
+    const res = flow.parser.parse(`
+    graph TD
+      A-->B-->C;
+    `);
+
+    const vert = flow.parser.yy.getVertices()
+    const edges = flow.parser.yy.getEdges()
+
+    expect(vert['A'].id).toBe('A')
+    expect(vert['B'].id).toBe('B')
+    expect(vert['C'].id).toBe('C')
+    expect(edges.length).toBe(2)
+    expect(edges[0].start).toBe('A')
+    expect(edges[0].end).toBe('B')
+    expect(edges[0].type).toBe('arrow')
+    expect(edges[0].text).toBe('')
+    expect(edges[1].start).toBe('B')
+    expect(edges[1].end).toBe('C')
+    expect(edges[1].type).toBe('arrow')
+    expect(edges[1].text).toBe('')
+  })
+
+})