1 files changed, 65 insertions, 0 deletions
diff --git a/docs/scripts/tests/test_extract_metadata.py b/docs/scripts/tests/test_extract_metadata.py
new file mode 100644
index 0000000..d5ee52e
--- /dev/null
+++ b/docs/scripts/tests/test_extract_metadata.py
@@ -0,0 +1,65 @@
+"""Tests for extract_metadata()."""
+
+import sys
+import os
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
+
+from conftest import make_plain_message, add_received_headers
+from email.message import EmailMessage
+
+import importlib.util
+spec = importlib.util.spec_from_file_location(
+    "eml_script",
+    os.path.join(os.path.dirname(__file__), '..', 'eml-view-and-extract-attachments.py')
+)
+eml_script = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(eml_script)
+
+extract_metadata = eml_script.extract_metadata
+
+
+class TestAllHeadersPresent:
+    def test_complete_dict(self):
+        msg = make_plain_message(
+            from_="Jonathan Smith <jsmith@example.com>",
+            to="Craig <craig@example.com>",
+            subject="Test Subject",
+            date="Thu, 05 Feb 2026 11:36:00 -0600"
+        )
+        result = extract_metadata(msg)
+        assert result['from'] == "Jonathan Smith <jsmith@example.com>"
+        assert result['to'] == "Craig <craig@example.com>"
+        assert result['subject'] == "Test Subject"
+        assert result['date'] == "Thu, 05 Feb 2026 11:36:00 -0600"
+        assert 'timing' in result
+
+
+class TestMissingFrom:
+    def test_from_is_none(self):
+        msg = EmailMessage()
+        msg['To'] = 'craig@example.com'
+        msg['Subject'] = 'Test'
+        msg['Date'] = 'Thu, 05 Feb 2026 11:36:00 -0600'
+        msg.set_content("body")
+        result = extract_metadata(msg)
+        assert result['from'] is None
+
+
+class TestMissingDate:
+    def test_date_is_none(self):
+        msg = EmailMessage()
+        msg['From'] = 'test@example.com'
+        msg['To'] = 'craig@example.com'
+        msg['Subject'] = 'Test'
+        msg.set_content("body")
+        result = extract_metadata(msg)
+        assert result['date'] is None
+
+
+class TestLongSubject:
+    def test_full_subject_returned(self):
+        long_subject = "Re: Fw: This is a very long subject line that spans many words and might be folded"
+        msg = make_plain_message(subject=long_subject)
+        result = extract_metadata(msg)
+        assert result['subject'] == long_subject