test(e2e): no need to create file, can setInput from buffer

website/package.json

@@ -16,6 +16,7 @@
         "format-fast": "prettier --ignore-path \"../.gitignore\" --write \"./**/*.{ts,tsx,json,astro,cjs,mjs}\"",
         "test": "vitest",
         "e2e": "npx playwright test",
+        "e2e:ui": "npx playwright test --ui --headed",
         "e2e:headed": "npx playwright test --headed"
     },
     "dependencies": {

website/tests/pages/revise/revise.page.ts

@@ -1,40 +1,31 @@
-import { unlinkSync, writeFileSync } from 'fs';
-
-import type { Locator, Page } from '@playwright/test';
-import { v4 as uuid } from 'uuid';
+import type { Page } from '@playwright/test';
 
 import { routes } from '../../../src/routes/routes.ts';
 import type { Accession } from '../../../src/types/backend.ts';
 import { baseUrl, dummyOrganism, sequencesTestFile } from '../../e2e.fixture';
 import { createModifiedFileContent } from '../../util/createFileContent.ts';
 
 export class RevisePage {
-    public readonly submitButton: Locator;
-    private readonly temporaryMetadataFile: string = `./tests/testData/${uuid()}_metadata.tsv`;
-
-    constructor(public readonly page: Page) {
-        this.submitButton = page.getByRole('button', { name: 'Submit' });
-    }
+    constructor(public readonly page: Page) {}
 
     public async goto(groupId: number) {
         await this.page.goto(`${baseUrl}${routes.revisePage(dummyOrganism.key, groupId)}`);
     }
 
-    public async uploadSequenceData(file: string = sequencesTestFile) {
-        await this.page.getByLabel('Sequence file').setInputFiles(file);
+    public async submitRevisedData(accessions: Accession[]) {
+        await Promise.all([this.setSequenceFile(), this.setRevisedMetadataFile(accessions)]);
+        await this.page.getByRole('button', { name: 'Submit' }).click();
     }
 
-    public async submitRevisedData(accessions: Accession[]) {
-        try {
-            await Promise.all([this.uploadSequenceData(), this.uploadRevisedMetadata(accessions)]);
-            await this.submitButton.click();
-        } finally {
-            unlinkSync(this.temporaryMetadataFile);
-        }
+    private async setSequenceFile(file: string = sequencesTestFile) {
+        await this.page.getByLabel('Sequence file').setInputFiles(file);
     }
 
-    private async uploadRevisedMetadata(accessions: Accession[]) {
-        writeFileSync(this.temporaryMetadataFile, createModifiedFileContent(accessions).metadataContent);
-        await this.page.getByLabel('Metadata file').setInputFiles(this.temporaryMetadataFile);
+    private async setRevisedMetadataFile(accessions: Accession[]) {
+        await this.page.getByLabel('Metadata file').setInputFiles({
+            name: 'metadata.tsv',
+            mimeType: 'text/plain',
+            buffer: Buffer.from(createModifiedFileContent(accessions).metadataContent),
+        });
     }
 }