68 lines
2.0 KiB
Diff
68 lines
2.0 KiB
Diff
From ee79940717e354d26954fc4401dc5b0c38980509 Mon Sep 17 00:00:00 2001
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From: Hasan <hasan.aleeyev@gmail.com>
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Date: Tue, 13 Feb 2024 19:34:11 +0400
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Subject: [PATCH] feat: handle error when log file is empty (#4859)
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Fixes GH-4686
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---
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cloudinit/analyze/show.py | 4 ++++
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tests/unittests/analyze/test_show.py | 24 ++++++++++++++++++++++++
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2 files changed, 28 insertions(+)
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create mode 100644 tests/unittests/analyze/test_show.py
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diff --git a/cloudinit/analyze/show.py b/cloudinit/analyze/show.py
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index 8d5866e..7938252 100644
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--- a/cloudinit/analyze/show.py
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+++ b/cloudinit/analyze/show.py
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@@ -7,6 +7,7 @@
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import datetime
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import json
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import os
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+import sys
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import time
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from cloudinit import subp, util
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@@ -370,6 +371,9 @@ def load_events_infile(infile):
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:return: json version of logfile, raw file
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"""
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data = infile.read()
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+ if not data.strip():
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+ sys.stderr.write("Empty file %s\n" % infile.name)
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+ sys.exit(1)
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try:
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return json.loads(data), data
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except ValueError:
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diff --git a/tests/unittests/analyze/test_show.py b/tests/unittests/analyze/test_show.py
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new file mode 100644
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index 0000000..0984e90
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--- /dev/null
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+++ b/tests/unittests/analyze/test_show.py
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@@ -0,0 +1,24 @@
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+from collections import namedtuple
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+
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+import pytest
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+
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+from cloudinit.analyze import analyze_show
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+
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+
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+@pytest.fixture
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+def mock_io(tmp_path):
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+ """Mock args for configure_io function"""
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+ infile = tmp_path / "infile"
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+ outfile = tmp_path / "outfile"
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+ return namedtuple("MockIO", ["infile", "outfile"])(infile, outfile)
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+
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+
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+class TestAnalyzeShow:
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+ """Test analyze_show (and/or helpers) in cloudinit/analyze/__init__.py"""
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+
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+ def test_empty_logfile(self, mock_io, capsys):
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+ """Test analyze_show with an empty logfile"""
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+ mock_io.infile.write_text("")
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+ with pytest.raises(SystemExit):
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+ analyze_show("dontcare", mock_io)
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+ assert capsys.readouterr().err == f"Empty file {mock_io.infile}\n"
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--
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2.27.0
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