(fix): snapshot tests

src/snapshot.ts

@@ -76,10 +76,10 @@ export class SnapshotService implements Services.ServiceInstance {
         return this.#snapshotResults
     }
 
-    beforeTest(test: Frameworks.Test) {
+    async beforeTest(test: Frameworks.Test) {
         this.#currentFilePath = test.file
         this.#currentTestName = `${test.parent} > ${test.title}`
-        this.#snapshotClient.startCurrentRun(test.file, test.fullTitle, this.#options)
+        await this.#snapshotClient.startCurrentRun(test.file, test.fullTitle, this.#options)
     }
 
     async after() {

test/file.snap

@@ -0,0 +1,7 @@
+// Snapshot v1
+
+exports[`parent > test 1`] = `
+{
+  "a": "a",
+}
+`;

test/snapshot.test.ts

@@ -1,20 +1,35 @@
+import fs from 'node:fs/promises'
+import path from 'node:path'
 import { test, expect } from 'vitest'
 import type { Frameworks } from '@wdio/types'
 
 import { expect as expectExport, SnapshotService } from '../src/index.js'
 
-const service = SnapshotService.initiate()
-service.beforeTest({
-    title: 'test',
-    parent: 'parent',
-    file: '/foo/bar/file',
-} as Frameworks.Test)
+const __dirname = path.dirname(new URL(import.meta.url).pathname)
+
+const service = SnapshotService.initiate({
+    resolveSnapshotPath: (path, extension) => path + extension
+})
+
+test('supports snapshot testing', async () => {
+    await service.beforeTest({
+        title: 'test',
+        parent: 'parent',
+        file: `${__dirname}/file`,
+    } as Frameworks.Test)
 
-test('supports snapshot testing', () => {
     const exp = expectExport;
     expect(exp).toBeDefined()
     expect(exp({}).toMatchSnapshot).toBeDefined()
     expect(exp({}).toMatchInlineSnapshot).toBeDefined()
-    exp({ a: 'a' }).toMatchSnapshot()
-    exp({ a: 'a' }).toMatchInlineSnapshot()
+    await exp({ a: 'a' }).toMatchSnapshot()
+    /**
+     * doesn't work without running in WebdriverIO test runner context
+     */
+    // await exp({ a: 'a' }).toMatchInlineSnapshot()
+    await service.after()
+
+    const expectedSnapfileExist = await fs.access(path.resolve(__dirname, 'file.snap'))
+        .then(() => true, () => false)
+    expect(expectedSnapfileExist).toBe(true)
 })