test: add safety check for rel to absolute paths

Author: gnikit

src/lib/tools.ts

@@ -275,6 +275,7 @@ export function resolveVariables(
  * @returns absolute path relative to the workspace root
  */
 export function pathRelToAbs(relPath: string, uri: vscode.Uri): string | undefined {
+  if (path.isAbsolute(relPath)) return relPath;
   const root = getOuterMostWorkspaceFolder(vscode.workspace.getWorkspaceFolder(uri));
   if (root === undefined) return undefined;
   return path.join(root.uri.fsPath, relPath);

test/unitTest/tools.test.ts

@@ -54,10 +54,15 @@ suite('Tools tests', () => {
   test('Resolve local paths: undefined', () => {
     const root = Uri.parse('/home/user/project');
     const absPath = pathRelToAbs('./sample.f90', root);
-    console.log(absPath, root);
     assert.strictEqual(absPath, undefined);
   });
 
+  test('Resolve local paths: absolute', () => {
+    const root = Uri.parse('/home/user/project');
+    const absPath = pathRelToAbs(path.resolve(process.cwd()), root);
+    assert.strictEqual(absPath, path.resolve(process.cwd()));
+  });
+
   test('Resolve local paths: workspace selection', () => {
     const root = Uri.parse(path.resolve(__dirname, '../../../test/fortran'));
     const absPath = pathRelToAbs('./sample.f90', root);