mirror of
https://github.com/xcat2/xcat-core.git
synced 2026-10-20 22:55:40 +00:00
test(genesis): cover paused journal selection during rollover
This commit is contained in:
Vinícius Ferrão
@@ -38,7 +38,9 @@ class ConsoleTerminal(unittest.TestCase):
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self.addCleanup(temporary.cleanup)
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root = Path(temporary.name)
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self.root = root
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environment = {"PATH": os.environ["PATH"], "LC_ALL": "C.UTF-8", "TERM": "xterm"}
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environment = {"PATH": os.environ["PATH"], "LC_ALL": "C.UTF-8", "TERM": "xterm",
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"NEWT_COLORS": "listbox=black,white\nactlistbox=black,white\n"
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"sellistbox=white,red\nactsellistbox=white,red"}
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for name in ("CMDLINE_FILE", "UPTIME_FILE", "OS_RELEASE", "STATUS_DIR", "STATE_FILE",
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"DESTINY_FILE", "RESPONSE_FILE", "SYS_ROOT", "PROC_ROOT", "EXTENSION_DIR", "PROVIDER_DIR"):
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environment["XCAT_" + name] = str(root / name.lower())
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@@ -75,13 +77,16 @@ class ConsoleTerminal(unittest.TestCase):
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return "\n".join(self.screen.display)
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def wait_text(self, text):
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return self.wait_screen(lambda display: text in display, repr(text))
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def wait_screen(self, predicate, description):
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deadline = time.monotonic() + 5
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while time.monotonic() < deadline:
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display = self.read_screen(0.1)
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if text in display:
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if predicate(display):
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return display
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self.assertIsNone(self.process.poll(), display)
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self.fail(f"Terminal did not show {text!r}:\n{display}")
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self.fail(f"Terminal did not show {description}:\n{display}")
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def key(self, sequence):
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os.write(self.master, sequence)
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@@ -117,7 +122,8 @@ class ConsoleJournal(ConsoleTerminal):
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"""Read real journal files in a private machine and journal namespace.
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Requires bubblewrap, systemd-journal-remote, journalctl and user namespaces.
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The host filesystem is read-only; /run and /var/log are private mounts.
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The host filesystem is read-only except for the fixture directory.
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/run and /var/log are private tmpfs mounts with the journal bound read-only.
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No journal service is started and no host journal is read or changed.
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"""
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@@ -128,11 +134,13 @@ class ConsoleJournal(ConsoleTerminal):
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journal_directory = journal_root / self.machine_id
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journal_directory.mkdir(parents=True)
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self.journal = journal_directory / "system.journal"
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self.entries = []
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machine_id_file = self.root / "machine-id"
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machine_id_file.write_text(self.machine_id + "\n")
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sandbox = [
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"bwrap", "--unshare-all", "--die-with-parent", "--ro-bind", "/", "/",
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"--dev", "/dev", "--proc", "/proc", "--tmpfs", "/run", "--tmpfs", "/var/log",
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"--bind", str(self.root), str(self.root),
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"--ro-bind", str(machine_id_file), "/etc/machine-id",
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"--ro-bind", str(journal_root), "/var/log/journal",
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]
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@@ -140,34 +148,145 @@ class ConsoleJournal(ConsoleTerminal):
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capture_output=True, timeout=10)
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self.assertEqual(result.returncode, 0,
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"Journal tests require working Bubblewrap namespaces: " + result.stderr)
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self.sandbox = sandbox
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return sandbox + [str(self.binary)]
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def write_journal(self, entries):
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def write_journal(self, entries, interval=1000000):
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records = []
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for sequence, (message, unit, identifier) in enumerate(entries, 1):
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for sequence, (message, unit, identifier) in enumerate(entries, len(self.entries) + 1):
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records.append(
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f"__REALTIME_TIMESTAMP={1700000000000000 + sequence * 1000000}\n"
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f"__MONOTONIC_TIMESTAMP={sequence * 1000000}\n"
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f"__REALTIME_TIMESTAMP={1700000000000000 + sequence * interval}\n"
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f"__MONOTONIC_TIMESTAMP={sequence * interval}\n"
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f"_MACHINE_ID={self.machine_id}\n_BOOT_ID={self.boot_id}\n"
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f"_SYSTEMD_UNIT={unit}\nSYSLOG_IDENTIFIER={identifier}\n"
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f"MESSAGE={message}\n\n")
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result = subprocess.run(
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["/usr/lib/systemd/systemd-journal-remote", "--split-mode=none",
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self.sandbox + ["/usr/lib/systemd/systemd-journal-remote", "--split-mode=none",
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"--output=" + str(self.journal), "-"],
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input="".join(records), text=True, capture_output=True, timeout=10)
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self.assertEqual(result.returncode, 0, result.stderr)
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self.entries.extend(entries)
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exported = subprocess.check_output(
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["journalctl", "--file=" + str(self.journal), "--output=json", "--no-pager"],
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text=True, timeout=10)
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actual = [json.loads(line) for line in exported.splitlines()]
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self.assertEqual([(entry["MESSAGE"], entry["_SYSTEMD_UNIT"], entry["SYSLOG_IDENTIFIER"])
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for entry in actual], entries)
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for entry in actual], self.entries)
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def open_logs(self):
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self.key(b"\x1bOR")
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self.wait_text("Genesis logs")
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self.wait_text("F3 Back")
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def selected_text(self):
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return "\n".join("".join(self.screen.buffer[row][column].data
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for column in range(self.screen.columns)
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if self.screen.buffer[row][column].bg == "red").strip()
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for row in range(self.screen.lines)).strip()
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def wait_selected(self, text):
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return self.wait_screen(lambda display: self.selected_text().endswith(text),
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f"selected log entry {text!r}")
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def assert_selection_stays(self, text):
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deadline = time.monotonic() + 3
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while time.monotonic() < deadline:
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self.read_screen(0.1)
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self.assertEqual(self.selected_text(), text)
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self.assertIsNone(self.process.poll())
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def test_paused_entry_survives_history_rollover(self):
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self.write_journal([(f"RECORD-{number:04d}", "other.service", "xcat-genesis-register")
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for number in range(1, 130)])
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self.open_logs()
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self.wait_selected("RECORD-0129")
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self.key(b"\x1b[H")
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self.wait_selected("RECORD-0002")
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self.key(b"\x1b[B" * 60)
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self.wait_selected("RECORD-0062")
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selected = self.selected_text()
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for number in (130, 131):
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self.write_journal([(f"RECORD-{number:04d}", "other.service", "xcat-genesis-register")])
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self.assert_selection_stays(selected)
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self.key(b"\x1b[F")
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self.wait_selected("RECORD-0131")
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self.write_journal([("FOLLOWED", "other.service", "xcat-genesis-register")])
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self.wait_selected("FOLLOWED")
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def test_expired_selection_stays_paused_at_oldest_entry(self):
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self.write_journal([(f"RECORD-{number:04d}", "other.service", "xcat-genesis-register")
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for number in range(1, 130)])
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self.open_logs()
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self.wait_selected("RECORD-0129")
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self.key(b"\x1b[H")
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self.wait_selected("RECORD-0002")
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for first, last, oldest in ((130, 140, 12), (140, 270, 142)):
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self.write_journal([(f"RECORD-{number:04d}", "other.service", "xcat-genesis-register")
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for number in range(first, last)])
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self.wait_selected(f"RECORD-{oldest:04d}")
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self.assert_selection_stays(self.selected_text())
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if first == 130:
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self.key(b"\x1b[B" * 50)
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self.wait_selected("RECORD-0062")
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self.write_journal([("STILL-PAUSED", "other.service", "xcat-genesis-register")])
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self.wait_selected("RECORD-0143")
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self.key(b"\x1b[F")
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self.wait_selected("STILL-PAUSED")
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def test_duplicate_text_keeps_the_selected_record(self):
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self.write_journal([("DUPLICATE" if number in (60, 62, 63) else f"RECORD-{number:04d}",
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"other.service", "xcat-genesis-register")
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for number in range(1, 130)], interval=1)
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self.open_logs()
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self.wait_selected("RECORD-0129")
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self.key(b"\x1b[H")
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self.wait_selected("RECORD-0002")
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self.key(b"\x1b[B" * 58)
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self.wait_selected("DUPLICATE")
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duplicate = self.selected_text()
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self.key(b"\x1b[B")
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self.wait_selected("RECORD-0061")
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self.key(b"\x1b[B")
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self.wait_selected("DUPLICATE")
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self.assertEqual(self.selected_text(), duplicate)
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self.write_journal([("APPENDED", "other.service", "xcat-genesis-register")], interval=1)
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self.assert_selection_stays(duplicate)
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self.key(b"\x1b[A")
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self.wait_selected("RECORD-0061")
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self.key(b"\x1b[H")
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self.wait_selected("RECORD-0003")
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def test_wrapped_selection_survives_history_rollover(self):
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self.write_journal([
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(" ".join(f"OLD-{number:02d}" for number in range(20)),
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"other.service", "xcat-genesis-register"),
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(" ".join(f"CONTEXT-{number:02d}" for number in range(16)) + " SELECTED-TAIL",
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"other.service", "xcat-genesis-register"),
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] + [(f"RECORD-{number:04d}", "other.service", "xcat-genesis-register")
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for number in range(3, 129)])
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self.open_logs()
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self.wait_selected("RECORD-0128")
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self.key(b"\x1b[H")
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self.wait_screen(lambda display: "OLD-00" in self.selected_text(), "oldest wrapped entry")
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for _ in range(12):
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if self.selected_text().endswith("CONTEXT-08"):
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break
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previous = self.selected_text()
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self.key(b"\x1b[B")
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self.wait_screen(lambda display: self.selected_text() != previous, "next wrapped row")
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self.assertTrue(self.selected_text().endswith("CONTEXT-08"), self.selected_text())
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selected = self.selected_text()
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self.assertIn("OLD-00", self.read_screen(0))
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self.write_journal([("APPENDED", "other.service", "xcat-genesis-register")])
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self.wait_screen(lambda display: "OLD-00" not in display, "expired wrapped entry removed")
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self.assert_selection_stays(selected)
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self.key(b"\x1b[B")
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self.wait_selected("CONTEXT-14")
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self.key(b"\x1b[B")
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self.wait_selected("SELECTED-TAIL")
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self.key(b"\x1b[B")
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self.wait_selected("RECORD-0003")
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def test_empty_journal(self):
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self.open_logs()
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self.wait_text("No Genesis journal entries are available.")
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