v29.4-roots.4 · Commit 7: [PATCH 07/37] release: establish Roots maintenance and assurance
ci/test/test_create_patch_series.py
Before: /dev/null · After: ci/test/test_create_patch_series.py
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ci/test/test_create_patch_series.py
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#!/usr/bin/env python3
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# Copyright (c) 2026-present The Bitcoin Roots developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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import os
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from pathlib import Path
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import subprocess
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import tempfile
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import unittest
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ROOT = Path(__file__).resolve().parents[2]
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SCRIPT = ROOT / "ci/release/create-patch-series.sh"
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RELEASE_TAG = "v29.4-roots.1"
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class CreatePatchSeriesTest(unittest.TestCase):
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def git(self, repository, *args, **kwargs):
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return subprocess.run(["git", "-C", repository, *args], check=True, **kwargs)
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def make_release_repository(self):
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temporary_dir = tempfile.TemporaryDirectory()
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repository = Path(temporary_dir.name)
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self.addCleanup(temporary_dir.cleanup)
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subprocess.run(["git", "init", "--initial-branch=main", repository], check=True, capture_output=True)
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self.git(repository, "config", "user.name", "Patch test")
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self.git(repository, "config", "user.email", "patch@example.invalid")
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(repository / "source").write_text("core\n", encoding="utf-8")
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self.git(repository, "add", "source")
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self.git(repository, "commit", "-m", "core", capture_output=True)
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core_commit = self.git(repository, "rev-parse", "HEAD", capture_output=True, text=True).stdout.strip()
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self.git(repository, "tag", "-a", "v29.4", "-m", "Core v29.4")
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self.git(repository, "switch", "-c", "roots/29.4", capture_output=True)
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(repository / "source").write_text("roots\n", encoding="utf-8")
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self.git(repository, "commit", "-am", "roots text", capture_output=True)
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(repository / "binary.dat").write_bytes(bytes(range(256)))
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self.git(repository, "add", "binary.dat")
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self.git(repository, "commit", "-m", "roots binary", capture_output=True)
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self.git(repository, "tag", "-a", RELEASE_TAG, "-m", RELEASE_TAG)
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release_tree = self.git(repository, "rev-parse", "HEAD^{tree}", capture_output=True, text=True).stdout.strip()
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self.git(repository, "checkout", "--detach", RELEASE_TAG, capture_output=True)
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return repository, core_commit, release_tree
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def test_generates_binary_full_index_series_that_replays_identically(self):
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repository, core_commit, release_tree = self.make_release_repository()
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output = repository / "artifacts/bitcoin-roots-29.4-roots.1.patch"
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environment = {**os.environ, "RELEASE_CANONICAL_REF": "refs/heads/roots/29.4"}
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subprocess.run([SCRIPT, RELEASE_TAG, output], cwd=repository, env=environment, check=True)
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patch = output.read_text(encoding="utf-8")
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self.assertIn("GIT binary patch", patch)
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self.assertIn(f"base-commit: {core_commit}", patch)
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self.assertGreaterEqual(patch.count("Subject: [PATCH"), 2)
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with tempfile.TemporaryDirectory() as replay_dir:
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replay = Path(replay_dir) / "repository"
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subprocess.run(["git", "clone", "--quiet", repository, replay], check=True)
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self.git(replay, "checkout", "--detach", core_commit, capture_output=True)
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self.git(
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replay, "-c", "user.name=Patch replay", "-c", "user.email=replay@example.invalid",
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"am", "-3", output, capture_output=True,
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)
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replayed_tree = self.git(replay, "rev-parse", "HEAD^{tree}", capture_output=True, text=True).stdout.strip()
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self.assertEqual(replayed_tree, release_tree)
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def test_rejects_noncanonical_release(self):
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repository, _, _ = self.make_release_repository()
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self.git(repository, "branch", "--force", "roots/29.4", "v29.4")
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output = repository / "release.patch"
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result = subprocess.run(
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[SCRIPT, RELEASE_TAG, output], cwd=repository,
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env={**os.environ, "RELEASE_CANONICAL_REF": "refs/heads/roots/29.4"},
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capture_output=True, text=True,
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)
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self.assertNotEqual(result.returncode, 0)
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self.assertFalse(output.exists())
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if __name__ == "__main__":
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unittest.main()
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