test(ui-breadcrumb): migrate old Breadcrumb tests

Closes: INSTUI-3865

packages/ui-breadcrumb/package.json

@@ -24,9 +24,11 @@
   "license": "MIT",
   "devDependencies": {
     "@instructure/ui-babel-preset": "8.46.1",
-    "@instructure/ui-test-locator": "8.46.1",
-    "@instructure/ui-test-utils": "8.46.1",
-    "@instructure/ui-themes": "8.46.1"
+    "@instructure/ui-themes": "8.46.1",
+    "@instructure/ui-axe-check": "8.46.1",
+    "@instructure/ui-scripts": "^8.46.1",
+    "@testing-library/jest-dom": "^5.17.0",
+    "@testing-library/react": "^14.0.0"
   },
   "dependencies": {
     "@babel/runtime": "^7.22.15",

packages/ui-breadcrumb/src/Breadcrumb/BreadcrumbLink/__new-tests__/BreadcrumbLink.test.tsx

@@ -0,0 +1,123 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 - present Instructure, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import React from 'react'
+import { fireEvent, render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom/extend-expect'
+
+import { runAxeCheck } from '@instructure/ui-axe-check'
+import { BreadcrumbLink } from '../index'
+
+const TEST_TEXT_01 = 'Account'
+const TEST_LINK = 'http://instructure-test.com'
+const TEST_TO = '/example'
+
+const originalResizeObserver = global.ResizeObserver
+
+describe('<BreadcrumbLink />', () => {
+  beforeAll(() => {
+    // Mock for ResizeObserver browser API
+    global.ResizeObserver = jest.fn().mockImplementation(() => ({
+      observe: jest.fn(),
+      unobserve: jest.fn(),
+      disconnect: jest.fn()
+    }))
+  })
+
+  it('should render an anchor tag when given a href prop', () => {
+    render(<BreadcrumbLink href={TEST_LINK}>{TEST_TEXT_01}</BreadcrumbLink>)
+    const anchor = screen.getByRole('link')
+
+    expect(anchor).toHaveAttribute('href', TEST_LINK)
+  })
+
+  it('should render as a button and respond to onClick event', () => {
+    const onClick = jest.fn()
+
+    render(<BreadcrumbLink onClick={onClick}>{TEST_TEXT_01}</BreadcrumbLink>)
+    const button = screen.getByRole('button')
+
+    fireEvent.click(button)
+
+    expect(onClick).toHaveBeenCalledTimes(1)
+  })
+
+  it('should allow to prop to pass through', () => {
+    const { container } = render(
+      <BreadcrumbLink to={TEST_TO}>{TEST_TEXT_01}</BreadcrumbLink>
+    )
+    const link = container.querySelector('a')
+
+    expect(link).toBeInTheDocument()
+    expect(link).toHaveAttribute('to', TEST_TO)
+  })
+
+  it('should not render a link when not given an href prop', () => {
+    const { container } = render(
+      <BreadcrumbLink>{TEST_TEXT_01}</BreadcrumbLink>
+    )
+    const elementWithHref = container.querySelector('[href]')
+    const anchor = container.querySelector('a')
+    const span = container.querySelector('span')
+
+    expect(elementWithHref).toBeNull()
+    expect(anchor).toBeNull()
+    expect(span).toBeInTheDocument()
+    expect(span).toHaveTextContent(TEST_TEXT_01)
+  })
+
+  it('should not render a button when not given an onClick prop', () => {
+    const { container } = render(
+      <BreadcrumbLink>{TEST_TEXT_01}</BreadcrumbLink>
+    )
+    const button = container.querySelector('button')
+    const span = container.querySelector('span')
+
+    expect(button).toBeNull()
+    expect(span).toBeInTheDocument()
+    expect(span).toHaveTextContent(TEST_TEXT_01)
+  })
+
+  it('should meet a11y standards as a link', async () => {
+    const { container } = render(
+      <BreadcrumbLink href={TEST_LINK}>{TEST_TEXT_01}</BreadcrumbLink>
+    )
+    const axeCheck = await runAxeCheck(container)
+
+    expect(axeCheck).toBe(true)
+  })
+
+  it('should meet a11y standards as a span', async () => {
+    const { container } = render(
+      <BreadcrumbLink>{TEST_TEXT_01}</BreadcrumbLink>
+    )
+    const axeCheck = await runAxeCheck(container)
+
+    expect(axeCheck).toBe(true)
+  })
+
+  afterAll(() => {
+    global.ResizeObserver = originalResizeObserver
+  })
+})