test: the render tests get their own file, under the 250-line cap

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

tests/test_announce_render.py

@@ -0,0 +1,78 @@
+# Copyright (c) 2026 Krzysztof Rudnicki. MIT licence.
+"""What a release announcement says: the Latin name, the article, the ladder."""
+
+from __future__ import annotations
+
+from signal_bot.announce import render
+from signal_bot.changelog import parse
+from signal_bot.versioning import pope_for
+
+DOCUMENT = """\
+## 0.0.1 — Linus
+
+- druga zmiana
+
+## 0.0.0 — Petrus
+
+- pierwsza zmiana
+"""
+RELEASES = parse(DOCUMENT)
+PETRUS = pope_for(1)
+LINUS = pope_for(2)
+
+
+def test_a_single_release_is_rendered_flat() -> None:
+    """The header already names it; a per-release block would just repeat it."""
+    message = render(LINUS, RELEASES[1:])
+    assert message == (
+        "Wersja 0.0.1 «Linus» wydana\n"
+        "https://pl.wikipedia.org/wiki/Linus_%28papie%C5%BC%29\n"
+        "Changelog:\n- druga zmiana"
+    )
+
+
+def test_a_long_backlog_is_capped_and_says_so() -> None:
+    """A group added years from now must not be handed 200 releases."""
+    document = "\n\n".join(
+        f"## {v} — Pope{i}\n\n- zmiana {i}"
+        for i, v in enumerate(
+            [
+                "0.0.0",
+                "0.0.1",
+                "0.0.2",
+                "0.0.3",
+                "0.0.4",
+                "0.0.5",
+                "0.0.6",
+                "0.0.7",
+                "0.1.0",
+                "0.1.1",
+                "0.1.2",
+                "0.1.3",
+            ]
+        )
+    )
+    message = render(pope_for(12), parse(document))
+    assert "(pominieto 2 starszych wersji)" in message
+    assert "zmiana 0" not in message
+    assert "zmiana 11" in message
+
+
+def test_a_block_heading_ignores_the_name_typed_in_the_document() -> None:
+    """The heading says Pope3; popes.json is what the group is actually told."""
+    message = render(pope_for(12), parse("## 0.0.2 — Pope3\n\n- x\n\n## 0.0.3 — Pope4\n\n- y"))
+    assert "0.0.2 «Anacletus»" in message
+    assert "0.0.3 «Clemens I»" in message
+    assert "Pope3" not in message
+
+
+def test_render_names_the_version_and_lists_every_pending_line() -> None:
+    message = render(LINUS, RELEASES)
+    assert message.startswith("Wersja 0.0.1 «Linus» wydana")
+    assert "- pierwsza zmiana" in message
+    assert "- druga zmiana" in message
+
+
+def test_render_links_the_polish_article() -> None:
+    """The same article !papież posts, built from the disambiguated title."""
+    assert "https://pl.wikipedia.org/wiki/Piotr_Aposto%C5%82" in render(PETRUS, RELEASES)