diff --git a/e2xgrader/tests/exchange/test_exchange_utils.py b/e2xgrader/tests/exchange/test_exchange_utils.py
new file mode 100644
index 00000000..d981f99d
--- /dev/null
+++ b/e2xgrader/tests/exchange/test_exchange_utils.py
@@ -0,0 +1,100 @@
+import os
+import unittest
+from tempfile import TemporaryDirectory
+
+import nbformat
+from nbformat.v4 import new_markdown_cell, new_notebook
+
+from e2xgrader.exchange.utils import (
+    generate_student_info_file,
+    generate_submission_html,
+)
+from e2xgrader.exporters import SubmissionExporter
+
+
+class TestGenerateStudentInfoFile(unittest.TestCase):
+
+    def setUp(self):
+        self.temp_dir = TemporaryDirectory()
+        self.directory = self.temp_dir.name
+
+    def tearDown(self):
+        self.temp_dir.cleanup()
+
+    def test_generate_student_info_file(self):
+        generate_student_info_file(
+            os.path.join(self.directory, "student_info.txt"),
+            "testuser",
+            "123456",
+            "2022-01-01 00:00:00",
+        )
+        with open(os.path.join(self.directory, "student_info.txt"), "r") as f:
+            content = f.read()
+
+        self.assertIn("Username: testuser", content)
+        self.assertIn("Hashcode: 123456", content)
+        self.assertIn("Timestamp: 2022-01-01 00:00:00", content)
+
+
+class TestGenerateSubmissionHtml(unittest.TestCase):
+
+    def setUp(self):
+        self.temp_dir = TemporaryDirectory()
+        self.directory = self.temp_dir.name
+
+    def tearDown(self):
+        self.temp_dir.cleanup()
+
+    def test_generate_submission_html(self):
+        exporter = SubmissionExporter()
+        nb = new_notebook(
+            cells=[
+                new_markdown_cell("This is a markdown cell"),
+            ]
+        )
+        nbformat.write(nb, os.path.join(self.directory, "notebook.ipynb"))
+        generate_submission_html(
+            os.path.join(self.directory, "notebook.ipynb"),
+            os.path.join(self.directory, "submission.html"),
+            "123456",
+            "2022-01-01 00:00:00",
+            exporter,
+        )
+        with open(os.path.join(self.directory, "submission.html"), "r") as f:
+            content = f.read()
+
+        self.assertIn("This is a markdown cell", content)
+        self.assertIn("2022-01-01 00:00:00", content)
+        self.assertIn(exporter.exam_submitted_message, content)
+        self.assertIn(exporter.your_hashcode_message, content)
+        self.assertIn(exporter.verify_exam_message, content)
+
+    def test_generate_submission_html_with_custom_messages(self):
+        exporter = SubmissionExporter()
+        msg1 = "Custom exam submitted message"
+        msg2 = "Custom hashcode message"
+        msg3 = "Custom verify exam message"
+        exporter.exam_submitted_message = msg1
+        exporter.your_hashcode_message = msg2
+        exporter.verify_exam_message = msg3
+        nb = new_notebook(
+            cells=[
+                new_markdown_cell("This is a markdown cell"),
+            ]
+        )
+        nbformat.write(nb, os.path.join(self.directory, "notebook.ipynb"))
+        generate_submission_html(
+            os.path.join(self.directory, "notebook.ipynb"),
+            os.path.join(self.directory, "submission.html"),
+            "123456",
+            "2022-01-01 00:00:00",
+            exporter,
+        )
+        with open(os.path.join(self.directory, "submission.html"), "r") as f:
+            content = f.read()
+
+        self.assertIn("This is a markdown cell", content)
+        self.assertIn("2022-01-01 00:00:00", content)
+        self.assertIn(msg1, content)
+        self.assertIn(msg2, content)
+        self.assertIn(msg3, content)