#RI-4318 add UTests

Author: Artem

redisinsight/ui/src/pages/workbench/components/enablement-area/EnablementArea/utils/tests/remarkImage.spec.ts

@@ -0,0 +1,43 @@
+import { visit } from 'unist-util-visit'
+import { RESOURCES_BASE_URL } from 'uiSrc/services/resourcesService'
+import { remarkImage } from '../transform/remarkImage'
+
+jest.mock('unist-util-visit')
+const TUTORIAL_PATH = 'static/custom-tutorials/tutorial-id'
+const testCases = [
+  {
+    url: '../../../_images/relative.png',
+    path: `${TUTORIAL_PATH}/lvl1/lvl2/lvl3/intro.md`,
+    result: `${RESOURCES_BASE_URL}${TUTORIAL_PATH}/_images/relative.png`,
+  },
+  {
+    url: '/../../../_images/relative.png', // NOTE: will not work in real. There is no sense to even support absolute paths
+    path: `${TUTORIAL_PATH}/lvl1/lvl2/lvl3/intro.md`,
+    result: `${RESOURCES_BASE_URL}_images/relative.png`,
+  },
+  {
+    url: 'https://somesite.test/image.png',
+    path: `${TUTORIAL_PATH}/lvl1/lvl2/lvl3/intro.md`,
+    result: 'https://somesite.test/image.png',
+  }
+]
+describe('remarkImage', () => {
+  testCases.forEach((tc) => {
+    it(`should return ${tc.result} for url:${tc.url}, path: ${tc.path} `, () => {
+      const node = {
+        url: tc.url,
+      };
+
+      // mock implementation
+      (visit as jest.Mock)
+        .mockImplementation((_tree: any, _name: string, callback: (node: any) => void) => { callback(node) })
+
+      const remark = remarkImage(tc.path)
+      remark({} as Node)
+      expect(node).toEqual({
+        ...node,
+        url: tc.result,
+      })
+    })
+  })
+})