test: fix test on win

src/gen/formatter.ts

@@ -2,13 +2,13 @@
  * Helper to format Playwright test file.
  */
 
-import path from 'node:path';
 import { PickleStepArgument } from '@cucumber/messages';
 import { BDDConfig } from '../config';
 import { jsStringWrap } from '../utils/jsStringWrap';
 import { TestNode } from './testNode';
 import { BddWorldFixtures } from '../run/bddWorld';
 import { TestMetaBuilder } from './testMeta';
+import { toPosixPath } from '../utils';
 
 export type ImportTestFrom = {
   file: string;
@@ -23,7 +23,7 @@ export class Formatter {
     let varName = importTestFrom?.varName || 'test';
     if (varName !== 'test') varName = `${varName} as test`;
     // always use "/" for imports, see #91
-    const posixFilePath = file.split(path.sep).join(path.posix.sep);
+    const posixFilePath = toPosixPath(file);
     return [
       `/** Generated from: ${uri} */`, // prettier-ignore
       // this.quoted() is not possible for 'import from' as backticks not parsed
@@ -78,7 +78,7 @@ export class Formatter {
       ...[
         '$test: ({}, use) => use(test),',
         '$testMetaMap: ({}, use) => use(testMetaMap),',
-        `$uri: ({}, use) => use(${this.quoted(sourceFile)}),`,
+        `$uri: ({}, use) => use(${this.quoted(toPosixPath(sourceFile))}),`,
         ...fixtures,
       ].map(indent),
       '});',

src/utils/index.ts

@@ -70,3 +70,11 @@ export function omit<T extends object, K extends keyof T>(obj: T, key: K) {
   delete res[key];
   return res as Omit<T, K>;
 }
+
+/**
+ * Returns path with "/" separator on all platforms.
+ * See: https://stackoverflow.com/questions/53799385/how-can-i-convert-a-windows-path-to-posix-path-using-node-path
+ */
+export function toPosixPath(somePath: string) {
+  return somePath.split(path.sep).join(path.posix.sep);
+}

test/helpers.mjs

@@ -125,7 +125,9 @@ export class TestDir {
   }
 
   getAbsPath(relativePath) {
-    return fileURLToPath(new URL(relativePath, this.importMeta.url));
+    return path.isAbsolute(relativePath)
+      ? relativePath
+      : fileURLToPath(new URL(relativePath, this.importMeta.url));
   }
 
   clearDir(relativePath) {