initial commit

test/envLoader.test.js

@@ -0,0 +1,48 @@
+"use strict";
+
+const fs = require("node:fs");
+const os = require("node:os");
+const path = require("node:path");
+const test = require("node:test");
+const assert = require("node:assert/strict");
+const { loadDotEnv } = require("../src/envLoader");
+
+test("loadDotEnv parses quoted values and keeps existing env", () => {
+  const suffix = `${Date.now()}_${Math.random().toString(16).slice(2)}`;
+  const plainKey = `AIRPLANE_TEST_PLAIN_${suffix}`;
+  const quotedKey = `AIRPLANE_TEST_QUOTED_${suffix}`;
+  const singleQuotedKey = `AIRPLANE_TEST_SINGLE_${suffix}`;
+  const existingKey = `AIRPLANE_TEST_EXISTING_${suffix}`;
+  const invalidKey = "INVALID-NAME";
+
+  const envPath = path.join(os.tmpdir(), `airplane_${suffix}.env`);
+  const envContent = [
+    `# comment`,
+    `${plainKey}=hello`,
+    `${quotedKey}=\"line1\\nline2\"`,
+    `${singleQuotedKey}='with space'`,
+    `${existingKey}=from_file`,
+    `${invalidKey}=ignored`,
+    ``,
+  ].join("\n");
+
+  process.env[existingKey] = "from_process";
+  fs.writeFileSync(envPath, envContent, "utf8");
+
+  try {
+    loadDotEnv(envPath);
+
+    assert.equal(process.env[plainKey], "hello");
+    assert.equal(process.env[quotedKey], "line1\nline2");
+    assert.equal(process.env[singleQuotedKey], "with space");
+    assert.equal(process.env[existingKey], "from_process");
+  } finally {
+    delete process.env[plainKey];
+    delete process.env[quotedKey];
+    delete process.env[singleQuotedKey];
+    delete process.env[existingKey];
+    if (fs.existsSync(envPath)) {
+      fs.unlinkSync(envPath);
+    }
+  }
+});