From db837d0ad35f15631a7f26bf613a1fc0e36b60fd Mon Sep 17 00:00:00 2001
From: kravetsone <57632712+kravetsone@users.noreply.github.com>
Date: Sun, 5 Jan 2025 14:15:52 +0300
Subject: [PATCH] chore: add fixture and test for
 https://github.com/privatenumber/pkgroll/issues/104

---
 tests/fixtures.ts                     | 18 ++++++++++++++++++
 tests/specs/builds/output-commonjs.ts | 22 ++++++++++++++++++++++
 tests/specs/builds/output-module.ts   | 22 ++++++++++++++++++++++
 3 files changed, 62 insertions(+)

diff --git a/tests/fixtures.ts b/tests/fixtures.ts
index cef610a..5652e02 100644
--- a/tests/fixtures.ts
+++ b/tests/fixtures.ts
@@ -257,3 +257,21 @@ export const fixtureDynamicImports: FileTree = {
 		},
 	},
 };
+
+// https://github.com/privatenumber/pkgroll/issues/104
+export const fixtureDynamicImportsError: FileTree = {
+	'package.json': createPackageJson({
+		main: './dist/dynamic-imports.js',
+	}),
+	src: {
+		'dynamic-imports.js': outdent`
+		function importModule(path) {
+  			// who knows what will be imported here?
+  			return import(path);
+		}
+
+		importModule('./should-fail.js');
+	`,
+		'should-fail.js': 'console.log(123)',
+	},
+};
diff --git a/tests/specs/builds/output-commonjs.ts b/tests/specs/builds/output-commonjs.ts
index b72954f..0dcd8f7 100644
--- a/tests/specs/builds/output-commonjs.ts
+++ b/tests/specs/builds/output-commonjs.ts
@@ -4,6 +4,7 @@ import { createFixture } from 'fs-fixture';
 import { pkgroll } from '../../utils.js';
 import {
 	packageFixture, createPackageJson, createTsconfigJson, fixtureDynamicImports,
+	fixtureDynamicImportsError,
 } from '../../fixtures.js';
 
 export default testSuite(({ describe }, nodePath: string) => {
@@ -204,5 +205,26 @@ export default testSuite(({ describe }, nodePath: string) => {
 			expect(files[1]).toMatch(/^bbb-/);
 			expect(files[2]).toMatch(/^ccc-/);
 		});
+
+		// https://github.com/privatenumber/pkgroll/issues/104
+		test('dynamic imports warning', async () => {
+			await using fixture = await createFixture({
+				...fixtureDynamicImportsError,
+				'package.json': createPackageJson({
+					exports: './dist/dynamic-imports.cjs',
+				}),
+			});
+
+			const pkgrollProcess = await pkgroll([], {
+				cwd: fixture.path,
+				nodePath,
+			});
+
+			expect(pkgrollProcess.exitCode).toBe(0);
+			expect(pkgrollProcess.stderr).toContain('[plugin rollup-plugin-dynamic-import-variables]');
+
+			const content = await fixture.readFile('dist/dynamic-imports.cjs', 'utf8');
+			expect(content).toMatch('import(');
+		});
 	});
 });
diff --git a/tests/specs/builds/output-module.ts b/tests/specs/builds/output-module.ts
index 428b4a1..fa32870 100644
--- a/tests/specs/builds/output-module.ts
+++ b/tests/specs/builds/output-module.ts
@@ -4,6 +4,7 @@ import { createFixture } from 'fs-fixture';
 import { pkgroll } from '../../utils.js';
 import {
 	packageFixture, createPackageJson, createTsconfigJson, fixtureDynamicImports,
+	fixtureDynamicImportsError,
 } from '../../fixtures.js';
 
 export default testSuite(({ describe }, nodePath: string) => {
@@ -272,5 +273,26 @@ export default testSuite(({ describe }, nodePath: string) => {
 			expect(files[1]).toMatch(/^bbb-/);
 			expect(files[2]).toMatch(/^ccc-/);
 		});
+
+		// https://github.com/privatenumber/pkgroll/issues/104
+		test('dynamic imports warning', async () => {
+			await using fixture = await createFixture({
+				...fixtureDynamicImportsError,
+				'package.json': createPackageJson({
+					exports: './dist/dynamic-imports.mjs',
+				}),
+			});
+
+			const pkgrollProcess = await pkgroll([], {
+				cwd: fixture.path,
+				nodePath,
+			});
+
+			expect(pkgrollProcess.exitCode).toBe(0);
+			expect(pkgrollProcess.stderr).toContain('[plugin rollup-plugin-dynamic-import-variables]');
+
+			const content = await fixture.readFile('dist/dynamic-imports.mjs', 'utf8');
+			expect(content).toMatch('import(');
+		});
 	});
 });