mirror of
https://github.com/nicolargo/glances.git
synced 2026-09-14 22:31:23 -04:00
Aditya Raj Singh
946c34f687
These three plugins expose a list of stats but inherited the base class's
stats_init_value default of {}. get_init_value() is what update() returns when
it has nothing to report, and what reset() installs, so /api/4/containers
answered {} instead of [] whenever no container engine library was importable -
the empty-dict-for-empty-list the issue reports.
containers and vms simply never passed stats_init_value. smart declared
stats_init_value=[] as its own parameter default and then dropped it on the way
to super().__init__(), so it read as correct while behaving the same way; a grep
for the keyword finds it, only running it does not.
Every other list plugin already passes stats_init_value=[]. tests/test_restful.py
carries a workaround for this exact symptom, added in 4c92e1b as "allow empty
dicts for list plugins" - it was read as test flakiness rather than a bug.
Fixes #3582
52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
#!/usr/bin/env python
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#
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# Glances - An eye on your system
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#
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# SPDX-FileCopyrightText: 2026 Nicolas Hennion <nicolas@nicolargo.com>
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#
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# SPDX-License-Identifier: LGPL-3.0-only
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#
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"""Tests that plugins exposing a list of stats initialise them as a list."""
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import pytest
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LIST_PLUGINS = (
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'alert',
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'amps',
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'containers',
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'diskio',
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'folders',
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'fs',
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'gpu',
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'irq',
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'mpp',
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'network',
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'npu',
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'percpu',
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'ports',
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'processlist',
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'programlist',
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'sensors',
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'smart',
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'vms',
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'wifi',
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)
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@pytest.mark.parametrize('plugin_name', LIST_PLUGINS)
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def test_init_value_is_a_list(glances_stats, plugin_name):
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"""get_init_value is what update() returns when it has nothing to report."""
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plugin = glances_stats.get_plugin(plugin_name)
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assert isinstance(plugin.get_init_value(), list)
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@pytest.mark.parametrize('plugin_name', LIST_PLUGINS)
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def test_reset_leaves_the_stats_a_list(glances_stats, plugin_name):
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"""reset() must not swap the stats to a dict behind the API's back."""
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plugin = glances_stats.get_plugin(plugin_name)
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plugin.reset()
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assert isinstance(plugin.stats, list)
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