[GEMINI] Add test cases for Adobe XMP metadata extraction

tests/test_forensics.py

@@ -415,6 +415,53 @@ def test_exif_cli_comment_only():
     assert "Comment" in result.output
     assert "flag{comment_only}" in result.output
 
+def test_adobe_xmp_extraction():
+    """
+    Verifies that get_metadata successfully parses XMP fields (like license resource).
+    """
+    import struct
+    xmp_xml = (
+        b"<x:xmpmeta xmlns:x='adobe:ns:meta/'>\n"
+        b"<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>\n"
+        b"  <rdf:Description rdf:about='' xmlns:cc='http://creativecommons.org/ns#'>\n"
+        b"    <cc:license rdf:resource='cGljb0NURnt0ZXN0X3htcF9mbGFnfQ=='/>\n"
+        b"  </rdf:Description>\n"
+        b"</rdf:RDF>\n"
+        b"</x:xmpmeta>"
+    )
+    xmp_prefix = b"http://ns.adobe.com/xap/1.0/\x00"
+    app1_payload = xmp_prefix + xmp_xml
+    app1_len = len(app1_payload) + 2
+    mock_jpeg = (
+        b"\xff\xd8"
+        b"\xff\xe1"
+        + struct.pack(">H", app1_len)
+        + app1_payload
+        + b"\xff\xd9"
+    )
+    
+    test_file = TEST_ENV / "mock_xmp.jpg"
+    with open(test_file, "wb") as f:
+        f.write(mock_jpeg)
+        
+    meta = get_metadata(test_file)
+    assert meta.exif_data.get("cc:license") == "cGljb0NURnt0ZXN0X3htcF9mbGFnfQ=="
+
+def test_adobe_xmp_cli():
+    """
+    Verifies that the ctf inspect CLI prints the parsed XMP fields.
+    """
+    from ctf.main import cli
+    runner = CliRunner()
+    test_file = TEST_ENV / "mock_xmp.jpg"
+    
+    result = runner.invoke(cli, ["inspect", "-e", str(test_file)])
+    assert result.exit_code == 0
+    assert "EXIF Metadata" in result.output
+    assert "cc:license" in result.output
+    assert "cGljb0NURnt0ZXN0X3htcF9mbGFnfQ==" in result.output
+
+