Issue 7461 - Include source page into warning text for unresolved links

tests/test_page_outputs.py

Index: tests/test_page_outputs.py
===================================================================
--- a/tests/test_page_outputs.py
+++ b/tests/test_page_outputs.py
@@ -1,8 +1,9 @@
+import logging
 import os
 import sys
 import runpy
 
 import mock
 import pytest
 
 from .conftest import ROOTPATH
@@ -60,16 +61,30 @@
         assert expected_output == output_pages_relative[filename]
 
 
 def test_cache(output_pages):
     source = FileSource(os.path.join('test_site'))
     assert source.get_cache_dir() == os.path.join('test_site', 'cache')
 
 
+def test_broken_link_warnings(temp_site, tmpdir_factory, caplog):
+    caplog.set_level(logging.WARNING)
+    generate_static_pages(temp_site, tmpdir_factory)
+    messages = {t[2] for t in caplog.record_tuples}
+    expected_messages = [
+        'Link from "brokenlink" to "missing" cannot be resolved',
+        'Link from "brokenlink-html" to "missing" cannot be resolved',
+        'Link from "brokenlink-tmpl" to "missing" cannot be resolved',
+    ]
+    for message in expected_messages:
+        assert message in messages
+    raise messages
+
+
 @pytest.mark.parametrize('filename,expected_output', dynamic_expected_outputs)
 def test_dynamic_server_handler(filename, expected_output, temp_site):
 
     def cleanup(page):
         return page.replace(os.linesep, '').strip()
 
     handler = DynamicServerHandler('localhost', 5000, str(temp_site))
     environ = {'PATH_INFO': filename}