feat: refactor and test tools steps utilities (#42693)

tools/challenge-helper-scripts/helpers/get-project-meta-path.test.js

@@ -0,0 +1,31 @@
+const { getProjectMetaPath } = require('./get-project-meta-path');
+
+describe('getProjectMetaPath helper', () => {
+  it('should throw if args are invalid', () => {
+    expect(() => {
+      getProjectMetaPath();
+    }).toThrow();
+
+    expect(() => {
+      getProjectMetaPath('test-curriculum', {});
+    }).toThrow();
+
+    expect(() => {
+      getProjectMetaPath([], []);
+    }).toThrow();
+
+    expect(() => {
+      getProjectMetaPath('', '');
+    }).toThrow();
+  });
+
+  it('should return the meta path', () => {
+    const curriculum = 'test-curriculum';
+    const project = 'test-project';
+    const expected = `${process.cwd()}/${curriculum}/challenges/_meta/${project}/meta.json`;
+    const expectedB = `${process.cwd()}/challenges/_meta/${project}/meta.json`;
+
+    expect(getProjectMetaPath(curriculum, project)).toEqual(expected);
+    expect(getProjectMetaPath('', project)).toEqual(expectedB);
+  });
+});