chore: add unit tests for toPathComponents util fn

Author: yusefnapora

packages/ipfs-unixfs-importer/test/utils.spec.js

@@ -0,0 +1,25 @@
+/* eslint-env mocha */
+
+import { expect } from 'aegir/utils/chai.js'
+import toPathComponents from '../src/utils/to-path-components.js'
+
+describe('toPathComponents', () => {
+    it('splits on unescaped "/" characters', () => {
+        const path = 'foo/bar/baz'
+        const components = toPathComponents(path)
+        expect(components.length).to.eq(3)
+    })
+
+    it('does not split on escaped "/" characters', () => {
+        const path = 'foo\\/bar/baz'
+        const components = toPathComponents(path)
+        expect(components.length).to.eq(2)
+    })
+
+    // see https://github.com/ipfs/js-ipfs-unixfs/issues/177 for context
+    it('does not split on "^" characters', () => {
+        const path = 'foo/bar^baz^^qux'
+        const components = toPathComponents(path)
+        expect(components.length).to.eq(2)
+    })
+})