feat(test): Add cypress for testing

cypress/integration/1-store/setState.spec.ts

@@ -0,0 +1,51 @@
+import { useStore } from '~/composables'
+import { initialState } from '~/utils'
+import { FlowState, FlowStore } from '~/types'
+describe('test store state', () => {
+  let store: FlowStore
+
+  beforeEach(() => (store = useStore()))
+  afterEach(() => store.$dispose())
+
+  it('has any initial state', () => {
+    expect(store.$state).to.exist
+  })
+
+  it('has default initial state', () => {
+    const initial = initialState()
+    Object.keys(store.$state).forEach((state) => {
+      const storedState = store[<keyof FlowState>state]
+      const initialVal = initial[<keyof FlowState>state]
+      expect(JSON.stringify(storedState)).to.eq(JSON.stringify(initialVal))
+    })
+  })
+
+  it('sets state', () => {
+    store.setState({
+      zoomOnScroll: false,
+    })
+    expect(store.zoomOnScroll).to.eq(false)
+  })
+
+  it('takes initial options', () => {
+    const store = useStore({
+      zoomOnScroll: false,
+    })
+    expect(store.zoomOnScroll).to.eq(false)
+    store.$dispose()
+  })
+
+  it('gets custom node types', () => {
+    store.setState({
+      nodeTypes: ['custom'],
+    })
+    expect(Object.keys(store.getNodeTypes)).to.contain('custom')
+  })
+
+  it('gets custom edge types', () => {
+    store.setState({
+      edgeTypes: ['custom'],
+    })
+    expect(Object.keys(store.getEdgeTypes)).to.contain('custom')
+  })
+})