1 files changed, 121 insertions, 0 deletions
diff --git a/test/cli/install/migration/complex-workspace.test.ts b/test/cli/install/migration/complex-workspace.test.ts
new file mode 100644
index 000000000..ec4669a3b
--- /dev/null
+++ b/test/cli/install/migration/complex-workspace.test.ts
@@ -0,0 +1,121 @@
+import fs from "fs";
+import path from "path";
+import { test, expect, describe, beforeAll } from "bun:test";
+import { bunEnv, bunExe } from "harness";
+import { tmpdir } from "os";
+import { join } from "path";
+
+let cwd = join(tmpdir(), "complex-workspace-test" + Math.random().toString(36).slice(2, 8));
+
+function validate(packageName: string, version: string, realPackageName?: string) {
+  test(`${packageName} is ${realPackageName ? `${realPackageName}@${version}` : version}`, () => {
+    if (!cwd) throw new Error("install failed");
+    const pkg = JSON.parse(fs.readFileSync(path.join(cwd, packageName, "package.json"), "utf8"));
+    expect(pkg.version).toBe(version);
+    if (realPackageName) {
+      expect(pkg.name).toBe(realPackageName);
+    }
+  });
+}
+
+function mustExist(filePath: string) {
+  test(`${filePath} exists`, () => {
+    if (!cwd) throw new Error("install failed");
+    if (!fs.existsSync(path.join(cwd, filePath))) {
+      throw new Error(`File ${filePath} was not found`);
+    }
+  });
+}
+
+function mustNotExist(filePath: string) {
+  test(`${filePath} does not exist`, () => {
+    if (!cwd) throw new Error("install failed");
+    if (fs.existsSync(path.join(cwd, filePath))) {
+      throw new Error(`File ${filePath} was found`);
+    }
+  });
+}
+
+beforeAll(() => {
+  fs.cpSync(path.join(import.meta.dir, "complex-workspace"), cwd, { recursive: true });
+});
+
+test("the install succeeds", async () => {
+  var subprocess = Bun.spawn([bunExe(), "reset.ts"], {
+    env: bunEnv,
+    cwd,
+    stdio: ["inherit", "inherit", "inherit"],
+  });
+  await subprocess.exited;
+  if (subprocess.exitCode != 0) {
+    cwd = false as any;
+    throw new Error("Failed to install");
+  }
+
+  subprocess = Bun.spawn([bunExe(), "install"], {
+    env: bunEnv,
+    cwd,
+    stdio: ["inherit", "inherit", "inherit"],
+  });
+
+  await subprocess.exited;
+  if (subprocess.exitCode != 0) {
+    cwd = false as any;
+    throw new Error("Failed to install");
+  }
+
+  console.log(cwd);
+});
+
+// bun-types
+validate("node_modules/bun-types", "1.0.0");
+mustExist("node_modules/bun-types/isfake.txt");
+// NOTE: ???
+// validate("node_modules/bun-types/node_modules/bun-types", "1.0.0");
+mustNotExist("node_modules/bun-types/node_modules/bun-types/isfake.txt");
+
+// svelte
+validate("node_modules/svelte", "4.1.2");
+validate("packages/second/node_modules/svelte", "4.1.0");
+validate("packages/with-postinstall/node_modules/svelte", "3.50.0");
+// validate("packages/body-parser/node_modules/svelte", "0.2.0", "public-install-test");
+// NOTE: bun hoists this dependency higher than npm
+// npm places this in node_modules/express
+validate("packages/second/node_modules/express", "1.0.0", "svelte");
+
+// install test
+// validate("node_modules/install-test", "0.3.0", "publicinstalltest");
+// mustExist("node_modules/install-test/src/index.js");
+validate("node_modules/install-test1", "0.2.0", "install-test");
+mustExist("node_modules/install-test1/index.js");
+// validate("node_modules/public-install-test", "0.2.0", "public-install-test");
+// mustExist("node_modules/public-install-test/index.js");
+
+// hello
+validate("node_modules/hello", "0.3.2");
+mustExist("node_modules/hello/version.txt");
+mustNotExist("packages/second/node_modules/hello/version.txt");
+
+// body parser
+validate("node_modules/body-parser", "200.0.0");
+// NOTE: bun hoists this dependency higher than npm
+// npm places this in node_modules/not-body-parser
+validate("packages/second/node_modules/not-body-parser", "200.0.0", "body-parser");
+// NOTE: bun install doesnt properly handle npm aliased dependencies
+// validate("packages/second/node_modules/connect", "200.0.0", "body-parser");
+validate("packages/second/node_modules/body-parser", "3.21.2", "express");
+// NOTE: bun does not hoist this properly, but it is extremely unlikely to be a real use case
+// validate("packages/second/node_modules/body-parser/node_modules/body-parser", "1.13.3", "body-parser");
+
+// connect
+// mustNotExist("node_modules/connect");
+// validate("packages/second/node_modules/body-parser/node_modules/connect", "2.30.2", "connect");
+
+// sharp
+validate("node_modules/sharp", "0.32.6");
+
+// iconv-lite
+mustNotExist("packages/second/node_modules/body-parser/node_modules/body-parser/node_modules/iconv-lite");
+mustNotExist("packages/second/node_modules/body-parser/node_modules/iconv-lite");
+mustNotExist("packages/second/node_modules/iconv-lite");
+mustNotExist("node_modules/iconv-lite");