Reland "Support rerunning all previously failing tests"
This reverts commit 237fc81dbf5a3e0fc101b183bf7c77eedcd63044.
Bug: b/297316723
Change-Id: I59fabab716461650fedc4f89c0909c16267689f1
diff --git a/tools/testing_state.py b/tools/testing_state.py
new file mode 100644
index 0000000..7c51790
--- /dev/null
+++ b/tools/testing_state.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+# Copyright (c) 2023, the R8 project authors. Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+import utils
+
+import datetime
+import os
+
+CHOICES = ["all", "failing", "past-failing", "outstanding"]
+DEFAULT_REPORTS_ROOT = os.path.join(utils.BUILD, "testing-state")
+
+def set_up_test_state(gradle_args, testing_state_mode, testing_state_path):
+ if not testing_state_mode:
+ return
+ if not testing_state_path:
+ testing_state_path = os.path.join(DEFAULT_REPORTS_ROOT, utils.get_HEAD_branch())
+ gradle_args.append('-Ptesting-state-mode=%s' % testing_state_mode)
+ gradle_args.append('-Ptesting-state-path=%s' % testing_state_path)
+ prepare_testing_index(testing_state_mode, testing_state_path)
+
+def fresh_testing_index(testing_state_dir):
+ number = 0
+ while True:
+ freshIndex = os.path.join(testing_state_dir, "index.%d.html" % number)
+ number += 1
+ if not os.path.exists(freshIndex):
+ return freshIndex
+
+def prepare_testing_index(testing_state_mode, testing_state_dir):
+ if not os.path.exists(testing_state_dir):
+ os.makedirs(testing_state_dir)
+ index_path = os.path.join(testing_state_dir, "index.html")
+ parent_report = None
+ resuming = os.path.exists(index_path)
+ mode = testing_state_mode if resuming else f"starting (flag: {testing_state_mode})"
+ if (resuming):
+ parent_report = fresh_testing_index(testing_state_dir)
+ os.rename(index_path, parent_report)
+ index = open(index_path, "a")
+ relative_state_dir = os.path.relpath(testing_state_dir)
+ title = relative_state_dir
+ # Print a console link to the test report for easy access.
+ print("=" * 70)
+ print("Test report written to:")
+ print(f" file://{index_path}")
+ print("=" * 70)
+ # Print the new index content.
+ index.write(f"<html><head><title>{title}</title>")
+ index.write("<style> * { font-family: monospace; }</style>")
+ index.write("<meta http-equiv='refresh' content='10' />")
+ index.write(f"</head><body><h1>{title}</h1>")
+ index.write(f"<h2>Mode: {mode}</h2>")
+ # write index links first to avoid jumping when browsing.
+ if parent_report:
+ index.write(f"<p><a href=\"file://{parent_report}\">Previous result index</a></p>")
+ index.write(f"<p><a href=\"file://{index_path}\">Most recent result index</a></p>")
+ index.write(f"<p><a href=\"file://{testing_state_dir}\">Test directories</a></p>")
+ # git branch/hash and diff for future reference
+ index.write(f"<p>Run on: {datetime.datetime.now()}</p>")
+ index.write(f"<p>Git branch: {utils.get_HEAD_branch()}")
+ index.write(f"</br>Git SHA: {utils.get_HEAD_sha1()}")
+ index.write(f'</br>Git diff summary:\n')
+ index.write(f'<pre style="background-color: lightgray">{utils.get_HEAD_diff_stat()}</pre></p>')
+ # header for the failing tests
+ index.write("<h2>Failing tests (refreshing automatically every 10 seconds)</h2><ul>")
