test: add macros e2e test (#25)

test/macros/lib/main.js

@@ -0,0 +1,6 @@
+import { serverOnly$, clientOnly$ } from "vite-env-only"
+
+export default {
+  server: serverOnly$(true) ?? false,
+  client: clientOnly$(true) ?? false,
+}

test/macros/macros.test.ts

@@ -0,0 +1,53 @@
+import * as vite from "vite"
+import { describe, test, expect } from "vitest"
+import path from "node:path"
+import envOnly from "../../src"
+
+describe("macros", () => {
+  const root = __dirname
+
+  const config = ({
+    ssr,
+    outDir,
+  }: {
+    ssr: boolean
+    outDir: string
+  }): vite.InlineConfig => ({
+    root,
+    build: {
+      ssr,
+      minify: false,
+      lib: {
+        entry: "lib/main.js",
+        formats: ["es"],
+      },
+      rollupOptions: {
+        output: {
+          dir: outDir,
+          entryFileNames: "index.js",
+        },
+      },
+    },
+    plugins: [envOnly()],
+  })
+
+  test("serverOnly$", async () => {
+    const outDir = path.join(root, "dist/server")
+    await vite.build(config({ ssr: true, outDir }))
+
+    expect((await import(outDir)).default).toEqual({
+      server: true,
+      client: false,
+    })
+  })
+
+  test("clientOnly$", async () => {
+    const outDir = path.join(root, "dist/client")
+    await vite.build(config({ ssr: false, outDir }))
+
+    expect((await import(outDir)).default).toEqual({
+      server: false,
+      client: true,
+    })
+  })
+})