RAHHH

backend/lib/python3.12/site-packages/twisted/web/test/test_html.py

@@ -0,0 +1,41 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+from twisted.trial import unittest
+from twisted.web import html
+
+
+class WebHtmlTests(unittest.TestCase):
+    """
+    Unit tests for L{twisted.web.html}.
+    """
+
+    def test_deprecation(self) -> None:
+        """
+        Calls to L{twisted.web.html} members emit a deprecation warning.
+        """
+
+        def assertDeprecationWarningOf(method: str) -> None:
+            """
+            Check that a deprecation warning is present.
+            """
+            warningsShown = self.flushWarnings([self.test_deprecation])
+            self.assertEqual(len(warningsShown), 1)
+            self.assertIdentical(warningsShown[0]["category"], DeprecationWarning)
+            self.assertEqual(
+                warningsShown[0]["message"],
+                "twisted.web.html.%s was deprecated in Twisted 15.3.0; "
+                "please use twisted.web.template instead" % (method,),
+            )
+
+        html.PRE("")
+        assertDeprecationWarningOf("PRE")
+
+        html.UL([])
+        assertDeprecationWarningOf("UL")
+
+        html.linkList([])
+        assertDeprecationWarningOf("linkList")
+
+        html.output(lambda: None)
+        assertDeprecationWarningOf("output")