feat: set up test and run tests easier

scripts/setupTestUtils/incrementalEnvUpdate.ts

@@ -0,0 +1,87 @@
+import { readFileSync, writeFileSync } from "node:fs";
+import chalk from "chalk";
+import { envPath } from "./updateEnvFile.js";
+
+/**
+ * Incrementally updates a single env variable in the .env file
+ */
+export function updateSingleEnvVar({
+	key,
+	value,
+}: {
+	key: string;
+	value: string;
+}) {
+	try {
+		const envContent = readFileSync(envPath, "utf-8");
+		const lines = envContent.split("\n");
+
+		// Check if the key already exists
+		let found = false;
+		const updatedLines = lines.map((line) => {
+			const trimmed = line.trim();
+			if (trimmed.startsWith(`${key}=`)) {
+				found = true;
+				return `${key}=${value}`;
+			}
+			return line;
+		});
+
+		// If not found, add it to the end
+		if (!found) {
+			updatedLines.push(`${key}=${value}`);
+		}
+
+		writeFileSync(envPath, updatedLines.join("\n"));
+		console.log(chalk.gray(`   ✓ Saved ${key} to .env`));
+	} catch (error) {
+		console.log(
+			chalk.red(
+				`   ⚠ Warning: Could not save ${key} to .env. You may need to add it manually.`,
+			),
+		);
+	}
+}
+
+/**
+ * Updates multiple env variables at once
+ */
+export function updateMultipleEnvVars(vars: Record<string, string>) {
+	try {
+		const envContent = readFileSync(envPath, "utf-8");
+		const lines = envContent.split("\n");
+		const keysToUpdate = Object.keys(vars);
+		const foundKeys = new Set<string>();
+
+		// Update existing keys
+		const updatedLines = lines.map((line) => {
+			const trimmed = line.trim();
+			for (const key of keysToUpdate) {
+				if (trimmed.startsWith(`${key}=`)) {
+					foundKeys.add(key);
+					return `${key}=${vars[key]}`;
+				}
+			}
+			return line;
+		});
+
+		// Add new keys that weren't found
+		for (const key of keysToUpdate) {
+			if (!foundKeys.has(key)) {
+				updatedLines.push(`${key}=${vars[key]}`);
+			}
+		}
+
+		writeFileSync(envPath, updatedLines.join("\n"));
+
+		for (const key of keysToUpdate) {
+			console.log(chalk.gray(`   ✓ Saved ${key} to .env`));
+		}
+	} catch (error) {
+		console.log(
+			chalk.red(
+				"   ⚠ Warning: Could not save variables to .env. You may need to add them manually.",
+			),
+		);
+	}
+}