fix(test): set cache path in test setup

Co-authored-by: me <me@kentcdodds.com>

Author: cursoragent

app/utils/cache.server.ts

@@ -1,7 +1,5 @@
 import fs from 'node:fs'
-import os from 'node:os'
 import path from 'node:path'
-import { threadId } from 'node:worker_threads'
 import { DatabaseSync } from 'node:sqlite'
 import {
 	cachified as baseCachified,
@@ -22,19 +20,11 @@ import { getInstanceInfo, getInstanceInfoSync } from './litefs.server.ts'
 import { cachifiedTimingReporter, type Timings } from './timing.server.ts'
 
 const CACHE_DATABASE_PATH = process.env.CACHE_DATABASE_PATH
-const IS_TEST = process.env.NODE_ENV === 'test' || process.env.CI === 'true'
-const TEST_WORKER_ID = process.env.VITEST_WORKER_ID ?? String(threadId)
-const CACHE_DATABASE_PATH_FOR_TESTS = IS_TEST
-	? path.join(
-			os.tmpdir(),
-			`epic-stack-cache-${process.pid}-${TEST_WORKER_ID}.db`,
-		)
-	: CACHE_DATABASE_PATH
 
 const cacheDb = remember('cacheDb', createDatabase)
 
 function createDatabase(tryAgain = true): DatabaseSync {
-	const databasePath = CACHE_DATABASE_PATH_FOR_TESTS
+	const databasePath = CACHE_DATABASE_PATH
 	if (!databasePath) {
 		throw new Error('CACHE_DATABASE_PATH is not set')
 	}
@@ -57,7 +47,7 @@ function createDatabase(tryAgain = true): DatabaseSync {
 		`)
 	} catch (error: unknown) {
 		try {
-			fs.unlinkSync(databasePath)
+			fs.rmSync(databasePath, { force: true })
 		} catch (unlinkError) {
 			if (
 				typeof unlinkError !== 'object' ||

tests/setup/global-setup.ts

@@ -2,6 +2,7 @@ import path from 'node:path'
 import { execaCommand } from 'execa'
 import fsExtra from 'fs-extra'
 import 'dotenv/config'
+import './test-env.ts'
 import '#app/utils/env.server.ts'
 
 export const BASE_DATABASE_PATH = path.join(

tests/setup/setup-test-env.ts

@@ -1,4 +1,5 @@
 import 'dotenv/config'
+import './test-env.ts'
 import './db-setup.ts'
 import '#app/utils/env.server.ts'
 // we need these to be imported first 👆

tests/setup/test-env.ts

@@ -0,0 +1,14 @@
+import os from 'node:os'
+import path from 'node:path'
+import { threadId } from 'node:worker_threads'
+
+const workerId =
+	process.env.VITEST_WORKER_ID ??
+	process.env.VITEST_POOL_ID ??
+	String(threadId)
+
+process.env.LITEFS_DIR ??= path.join(os.tmpdir(), 'epic-stack-litefs')
+process.env.CACHE_DATABASE_PATH ??= path.join(
+	os.tmpdir(),
+	`epic-stack-cache-${process.pid}-${workerId}.db`,
+)