test(path): add additional tests to normalize

src/utils/path.ts

@@ -249,6 +249,10 @@ export function join(...paths: string[]): string {
  * @returns a resolved path!
  */
 export function resolve(...paths: string[]): string {
+  /**
+   * When normalizing, we should _not_ attempt to relativize the path returned by the native Node `resolve` method. When
+   * calculating the path from each of the string-based parts, Node does not prepend './' to the calculated path.
+   */
   return normalizePath(path.resolve(...paths), false);
 }
 
@@ -263,5 +267,9 @@ export function resolve(...paths: string[]): string {
  * @returns a normalized path!
  */
 export function normalize(toNormalize: string): string {
+  /**
+   * When normalizing, we should _not_ attempt to relativize the path returned by the native Node `normalize` method.
+   * When calculating the path from each of the string-based parts, Node does not prepend './' to the calculated path.
+   */
   return normalizePath(path.normalize(toNormalize), false);
 }

src/utils/test/path.spec.ts

@@ -164,6 +164,11 @@ describe('normalizeFsPathQuery', () => {
     });
 
     it('normalize should always return a POSIX path', () => {
+      expect(normalize('')).toBe('.');
+      expect(normalize('.')).toBe('.');
+      expect(normalize('..')).toBe('..');
+      expect(normalize('/')).toBe('/');
+      expect(normalize('\\')).toBe('/');
       // these examples taken from
       // https://nodejs.org/api/path.html#pathnormalizepath
       expect(normalize('\\temp\\\\foo\\bar\\..\\')).toBe('/temp/foo');