test(props): add tests for basic props

2022-08-23 18:10:12 +02:00
parent ecf0476939
commit 43ec2b5552
19 changed files with 1262 additions and 131 deletions
@@ -0,0 +1,126 @@
+import { ReactFlow, ReactFlowProps, Viewport, useViewport } from '@react-flow/bundle';
+
+import * as simpleflow from '../../fixtures/simpleflow';
+
+const nodesOutsideOfView = [
+  {
+    ...simpleflow.nodes[0],
+    position: {
+      x: -500,
+      y: 0,
+    },
+  },
+  {
+    ...simpleflow.nodes[1],
+    position: {
+      x: 500,
+      y: 0,
+    },
+  },
+];
+
+describe('<ReactFlow />: View Props', () => {
+  it('uses fitView', () => {
+    cy.mount(<Comp nodes={nodesOutsideOfView} fitView minZoom={0.2} />);
+    cy.get('.react-flow__node:first').isWithinViewport();
+  });
+
+  it('uses fitViewOptions', () => {
+    const fitViewOptions = { padding: 0.5 };
+
+    cy.mount(<ReactFlow nodes={[nodesOutsideOfView[0]]} fitView fitViewOptions={fitViewOptions} />).wait(200);
+    cy.get('.react-flow__node:first').isWithinViewport();
+  });
+
+  describe('uses minZoom', () => {
+    it('minZoom: 0.2', () => {
+      const onChangeSpy = cy.spy().as('onChangeSpy');
+
+      cy.mount(<Comp minZoom={0.2} onChange={onChangeSpy} />);
+
+      cy.zoomPane(10000).then(() => {
+        expect(getLatestViewport(onChangeSpy).zoom).to.be.eq(0.2);
+      });
+    });
+
+    it('minZoom: 1', () => {
+      const onChangeSpy = cy.spy().as('onChangeSpy');
+
+      cy.mount(<Comp minZoom={1} onChange={onChangeSpy} />);
+
+      cy.zoomPane(10000).then(() => {
+        expect(getLatestViewport(onChangeSpy).zoom).to.be.eq(1);
+      });
+    });
+
+    it('sets invalid defaultZoom', () => {
+      const onChangeSpy = cy.spy().as('onChangeSpy');
+      const defaultViewport = { x: 0, y: 0, zoom: 0.2 };
+
+      cy.mount(<Comp minZoom={1} defaultViewport={defaultViewport} onChange={onChangeSpy} />);
+
+      cy.zoomPane(10000).then(() => {
+        expect(getLatestViewport(onChangeSpy).zoom).to.be.eq(1);
+      });
+    });
+  });
+
+  describe('uses maxZoom', () => {
+    it('maxZoom: 1', () => {
+      const onChangeSpy = cy.spy().as('onChangeSpy');
+
+      cy.mount(<Comp maxZoom={1} onChange={onChangeSpy} />);
+
+      cy.zoomPane(-10000).then(() => {
+        expect(getLatestViewport(onChangeSpy).zoom).to.be.eq(1);
+      });
+    });
+
+    it('maxZoom: 2', () => {
+      const onChangeSpy = cy.spy().as('onChangeSpy');
+
+      cy.mount(<Comp maxZoom={2} onChange={onChangeSpy} />);
+
+      cy.zoomPane(-10000).then(() => {
+        expect(getLatestViewport(onChangeSpy).zoom).to.be.eq(2);
+      });
+    });
+
+    it('sets invalid defaultZoom', () => {
+      const onChangeSpy = cy.spy().as('onChangeSpy');
+      const defaultViewport = { x: 0, y: 0, zoom: 2 };
+
+      cy.mount(<Comp maxZoom={1.5} defaultViewport={defaultViewport} onChange={onChangeSpy} />);
+
+      cy.zoomPane(-10000).then(() => {
+        expect(getLatestViewport(onChangeSpy).zoom).to.be.eq(1.5);
+      });
+    });
+  });
+});
+
+// test specific helpers
+
+type CompProps = {
+  onChange?: (vp: Viewport) => void;
+};
+
+function InnerComp({ onChange }: CompProps) {
+  const viewport = useViewport();
+
+  onChange?.(viewport);
+
+  return null;
+}
+
+function Comp({ onChange, ...rest }: CompProps & ReactFlowProps) {
+  return (
+    <ReactFlow {...rest}>
+      <InnerComp onChange={onChange} />
+    </ReactFlow>
+  );
+}
+
+function getLatestViewport(onChangeSpy: any) {
+  return onChangeSpy.lastCall.args[0] as unknown as Viewport;
+}