diff --git a/test/__mocks__/setUpCanvas.ts b/test/__mocks__/setUpCanvas.ts
new file mode 100644
index 00000000..9308a25d
--- /dev/null
+++ b/test/__mocks__/setUpCanvas.ts
@@ -0,0 +1,10 @@
+import { ReactElement } from 'react';
+import { render } from '@testing-library/react';
+
+export const setUpCanvas = (element: ReactElement) => {
+ const result = render(element);
+ const { container } = result;
+ const events = container.querySelector('canvas')?.getContext('2d')?.__getEvents(); // eslint-disable-line no-underscore-dangle
+
+ return { ...result, events };
+};
diff --git a/test/visits/charts/DoughnutChart.test.tsx b/test/visits/charts/DoughnutChart.test.tsx
index 9f5ffc74..346b6509 100644
--- a/test/visits/charts/DoughnutChart.test.tsx
+++ b/test/visits/charts/DoughnutChart.test.tsx
@@ -1,47 +1,24 @@
-import { shallow, ShallowWrapper } from 'enzyme';
-import { Doughnut } from 'react-chartjs-2';
-import { keys, values } from 'ramda';
import { DoughnutChart } from '../../../src/visits/charts/DoughnutChart';
+import { setUpCanvas } from '../../__mocks__/setUpCanvas';
+import { screen } from '@testing-library/react';
describe('', () => {
- let wrapper: ShallowWrapper;
const stats = {
foo: 123,
bar: 456,
};
- afterEach(() => wrapper?.unmount());
-
it('renders Doughnut with expected props', () => {
- wrapper = shallow();
- const doughnut = wrapper.find(Doughnut);
- const cols = wrapper.find('.col-sm-12');
+ const { events } = setUpCanvas();
- expect(doughnut).toHaveLength(1);
-
- const { labels, datasets } = doughnut.prop('data') as any;
- const [{ data, backgroundColor, borderColor }] = datasets;
- const { plugins, scales } = (doughnut.prop('options') ?? {}) as any;
-
- expect(labels).toEqual(keys(stats));
- expect(data).toEqual(values(stats));
- expect(datasets).toHaveLength(1);
- expect(backgroundColor).toEqual([
- '#97BBCD',
- '#F7464A',
- '#46BFBD',
- '#FDB45C',
- '#949FB1',
- '#57A773',
- '#414066',
- '#08B2E3',
- '#B6C454',
- '#DCDCDC',
- '#463730',
- ]);
- expect(borderColor).toEqual('white');
- expect(plugins.legend).toEqual({ display: false });
- expect(scales).toBeUndefined();
- expect(cols).toHaveLength(2);
+ expect(events).toBeTruthy();
+ expect(events).toMatchSnapshot();
});
+
+ it('renders expected legend', () => {
+ setUpCanvas();
+
+ expect(screen.getByText('foo')).toBeInTheDocument();
+ expect(screen.getByText('bar')).toBeInTheDocument();
+ })
});
diff --git a/test/visits/charts/HorizontalBarChart.test.tsx b/test/visits/charts/HorizontalBarChart.test.tsx
index 44b2bfde..439681cf 100644
--- a/test/visits/charts/HorizontalBarChart.test.tsx
+++ b/test/visits/charts/HorizontalBarChart.test.tsx
@@ -1,18 +1,15 @@
-import { render } from '@testing-library/react';
import { HorizontalBarChart, HorizontalBarChartProps } from '../../../src/visits/charts/HorizontalBarChart';
+import { setUpCanvas } from '../../__mocks__/setUpCanvas';
describe('', () => {
- const setUp = (props: HorizontalBarChartProps) => {
- const { container } = render();
- return container.querySelector('canvas')?.getContext('2d')?.__getEvents(); // eslint-disable-line no-underscore-dangle
- };
+ const setUp = (props: HorizontalBarChartProps) => setUpCanvas();
it.each([
[{ foo: 123, bar: 456 }, undefined],
[{ one: 999, two: 131313 }, { one: 30, two: 100 }],
[{ one: 999, two: 131313, max: 3 }, { one: 30, two: 100 }],
])('renders chart with expected canvas', (stats, highlightedStats) => {
- const events = setUp({ stats, highlightedStats });
+ const { events } = setUp({ stats, highlightedStats });
expect(events).toBeTruthy();
expect(events).toMatchSnapshot();
diff --git a/test/visits/charts/__snapshots__/DoughnutChart.test.tsx.snap b/test/visits/charts/__snapshots__/DoughnutChart.test.tsx.snap
new file mode 100644
index 00000000..dc824989
--- /dev/null
+++ b/test/visits/charts/__snapshots__/DoughnutChart.test.tsx.snap
@@ -0,0 +1,25 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[` renders Doughnut with expected props 1`] = `
+Array [
+ Object {
+ "props": Object {
+ "a": 1,
+ "b": 0,
+ "c": 0,
+ "d": 1,
+ "e": 0,
+ "f": 0,
+ },
+ "transform": Array [
+ 1,
+ 0,
+ 0,
+ 1,
+ 0,
+ 0,
+ ],
+ "type": "setTransform",
+ },
+]
+`;