diff --git a/tests/integration/chroot-package-managers.test.ts b/tests/integration/chroot-package-managers.test.ts
index 54de5c0f..bed977dc 100644
--- a/tests/integration/chroot-package-managers.test.ts
+++ b/tests/integration/chroot-package-managers.test.ts
@@ -349,4 +349,63 @@ describe('Chroot Package Manager Support', () => {
       expect(result.stdout).toContain('module test');
     }, 120000);
   });
+
+  // ---------- Package Installation ----------
+  describe('Package Installation', () => {
+    test('should install a Python package via pip and verify import', async () => {
+      const result = await runner.runWithSudo(
+        'PIPDIR=$(mktemp -d) && ' +
+        'pip3 install --no-cache-dir --target $PIPDIR requests 2>&1 && ' +
+        'PYTHONPATH=$PIPDIR python3 -c "import requests; print(requests.__version__)" && ' +
+        'rm -rf $PIPDIR',
+        {
+          allowDomains: ['pypi.org', 'files.pythonhosted.org'],
+          logLevel: 'debug',
+          timeout: 120000,
+        }
+      );
+
+      expect(result).toSucceed();
+      const lines = result.stdout.split('\n').map(l => l.trim()).filter(l => l.length > 0);
+      const lastLine = lines[lines.length - 1] || '';
+      expect(lastLine).toMatch(/^\d+\.\d+\.\d+$/);
+    }, 180000);
+
+    test('should install an npm package and verify require', async () => {
+      const result = await runner.runWithSudo(
+        'NPMDIR=$(mktemp -d) && cd $NPMDIR && npm init -y 2>&1 && ' +
+        'npm install chalk@4 2>&1 && ' +
+        'NODE_PATH=$NPMDIR/node_modules node -e "require(\'chalk\')" && echo "npm_install_ok" && ' +
+        'rm -rf $NPMDIR',
+        {
+          allowDomains: ['registry.npmjs.org'],
+          logLevel: 'debug',
+          timeout: 120000,
+        }
+      );
+
+      expect(result).toSucceed();
+      expect(result.stdout).toContain('npm_install_ok');
+    }, 180000);
+
+    test('should build a Rust project with a dependency via cargo', async () => {
+      const result = await runner.runWithSudo(
+        'TESTDIR=$(mktemp -d) && cd $TESTDIR && ' +
+        'CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse ' +
+        'cargo init --name awftest 2>&1 && ' +
+        'echo \'cfg-if = "1"\' >> Cargo.toml && ' +
+        'CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse ' +
+        'cargo build 2>&1 && echo "cargo_build_ok"; ' +
+        'EC=$?; rm -rf $TESTDIR; exit $EC',
+        {
+          allowDomains: ['crates.io', 'static.crates.io', 'index.crates.io'],
+          logLevel: 'debug',
+          timeout: 120000,
+        }
+      );
+
+      expect(result).toSucceed();
+      expect(result.stdout).toContain('cargo_build_ok');
+    }, 180000);
+  });
 });