Files
glances/tests/test_plugin_processcount.py
2026-02-07 00:55:14 +05:30

275 lines
10 KiB
Python
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#!/usr/bin/env python
#
# Glances - An eye on your system
#
# SPDX-FileCopyrightText: 2024 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Tests for the ProcessCount plugin."""
import json
import pytest
@pytest.fixture
def processcount_plugin(glances_stats):
"""Return the ProcessCount plugin instance from glances_stats."""
return glances_stats.get_plugin('processcount')
class TestProcesscountPluginBasics:
"""Test basic ProcessCount plugin functionality."""
def test_plugin_name(self, processcount_plugin):
"""Test plugin name is correctly set."""
assert processcount_plugin.plugin_name == 'processcount'
def test_plugin_is_enabled(self, processcount_plugin):
"""Test that the plugin is enabled by default."""
assert processcount_plugin.is_enabled() is True
def test_display_curse_enabled(self, processcount_plugin):
"""Test that curse display is enabled."""
assert processcount_plugin.display_curse is True
def test_history_items_defined(self, processcount_plugin):
"""Test that history items are properly defined."""
items = processcount_plugin.get_items_history_list()
assert items is not None
item_names = [item['name'] for item in items]
assert 'total' in item_names
assert 'running' in item_names
class TestProcesscountPluginUpdate:
"""Test ProcessCount plugin update functionality."""
def test_update_returns_dict(self, processcount_plugin):
"""Test that update returns a dictionary."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
assert isinstance(stats, dict)
def test_update_contains_total(self, processcount_plugin):
"""Test that stats contain total count."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
assert 'total' in stats
def test_total_positive(self, processcount_plugin):
"""Test that total process count is positive."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
assert stats['total'] > 0
def test_running_present(self, processcount_plugin):
"""Test that running count is present."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
assert 'running' in stats
def test_sleeping_present(self, processcount_plugin):
"""Test that sleeping count is present."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
assert 'sleeping' in stats
def test_thread_count_present(self, processcount_plugin):
"""Test that thread count is present."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
assert 'thread' in stats
class TestProcesscountPluginValues:
"""Test ProcessCount plugin values validity."""
def test_counts_non_negative(self, processcount_plugin):
"""Test that all counts are non-negative."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
count_keys = ['total', 'running', 'sleeping', 'thread']
for key in count_keys:
if key in stats:
assert stats[key] >= 0
def test_running_sleeping_less_than_total(self, processcount_plugin):
"""Test that running + sleeping <= total."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
if all(k in stats for k in ['running', 'sleeping', 'total']):
assert stats['running'] + stats['sleeping'] <= stats['total']
def test_thread_count_reasonable(self, processcount_plugin):
"""Test that thread count is reasonable."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
if 'thread' in stats and 'total' in stats:
# Thread count should be >= process count
assert stats['thread'] >= stats['total']
class TestProcesscountPluginViews:
"""Test ProcessCount plugin views functionality."""
def test_update_views_returns_dict(self, processcount_plugin):
"""Test that update_views returns a dictionary."""
processcount_plugin.update()
views = processcount_plugin.update_views()
assert isinstance(views, dict)
class TestProcesscountPluginJSON:
"""Test ProcessCount plugin JSON serialization."""
def test_get_stats_returns_json(self, processcount_plugin):
"""Test that get_stats returns valid JSON."""
processcount_plugin.update()
stats_json = processcount_plugin.get_stats()
parsed = json.loads(stats_json)
assert isinstance(parsed, dict)
def test_json_contains_expected_fields(self, processcount_plugin):
"""Test that JSON output contains expected fields."""
processcount_plugin.update()
stats_json = processcount_plugin.get_stats()
parsed = json.loads(stats_json)
expected_fields = ['total', 'running', 'sleeping', 'thread']
for field in expected_fields:
assert field in parsed
class TestProcesscountPluginHistory:
"""Test ProcessCount plugin history functionality."""
def test_history_enable_check(self, processcount_plugin):
"""Test that history_enable returns a boolean."""
result = processcount_plugin.history_enable()
assert isinstance(result, bool)
def test_get_items_history_list(self, processcount_plugin):
"""Test that get_items_history_list returns the history items."""
items = processcount_plugin.get_items_history_list()
if items is not None:
assert isinstance(items, list)
item_names = [item['name'] for item in items]
assert 'total' in item_names
class TestProcesscountPluginReset:
"""Test ProcessCount plugin reset functionality."""
def test_reset_clears_stats(self, processcount_plugin):
"""Test that reset clears stats."""
processcount_plugin.update()
processcount_plugin.reset()
stats = processcount_plugin.get_raw()
assert stats == processcount_plugin.get_init_value()
def test_reset_views(self, processcount_plugin):
"""Test that reset_views clears views."""
processcount_plugin.update()
processcount_plugin.update_views()
processcount_plugin.reset_views()
assert processcount_plugin.get_views() == {}
class TestProcesscountPluginFieldsDescription:
"""Test ProcessCount plugin fields description."""
def test_fields_description_exists(self, processcount_plugin):
"""Test that fields_description is defined."""
assert processcount_plugin.fields_description is not None
def test_mandatory_fields_described(self, processcount_plugin):
"""Test that mandatory fields have descriptions."""
mandatory_fields = ['total', 'running', 'sleeping', 'thread']
for field in mandatory_fields:
assert field in processcount_plugin.fields_description
def test_field_has_description(self, processcount_plugin):
"""Test that each field has a description."""
for field, info in processcount_plugin.fields_description.items():
assert 'description' in info, f"Field {field} missing description"
def test_field_has_unit(self, processcount_plugin):
"""Test that fields have unit defined."""
for field, info in processcount_plugin.fields_description.items():
assert 'unit' in info, f"Field {field} missing unit"
class TestProcesscountPluginMsgCurse:
"""Test ProcessCount plugin curse message generation."""
def test_msg_curse_with_args(self, processcount_plugin):
"""Test that msg_curse returns a list when args provided."""
processcount_plugin.update()
# msg_curse requires args with disable_process attribute
if hasattr(processcount_plugin, 'args') and processcount_plugin.args:
msg = processcount_plugin.msg_curse(args=processcount_plugin.args)
assert isinstance(msg, list)
def test_msg_curse_format_with_args(self, processcount_plugin):
"""Test that msg_curse returns properly formatted entries."""
processcount_plugin.update()
if hasattr(processcount_plugin, 'args') and processcount_plugin.args:
msg = processcount_plugin.msg_curse(args=processcount_plugin.args)
if msg:
for entry in msg:
assert isinstance(entry, dict)
assert 'msg' in entry
def test_msg_curse_content_with_args(self, processcount_plugin):
"""Test msg_curse output content."""
processcount_plugin.update()
stats = processcount_plugin.get_raw()
if stats and hasattr(processcount_plugin, 'args') and processcount_plugin.args:
if not getattr(processcount_plugin.args, 'disable_process', True):
msg = processcount_plugin.msg_curse(args=processcount_plugin.args)
if msg:
assert len(msg) > 0
class TestProcesscountPluginExport:
"""Test ProcessCount plugin export functionality."""
def test_get_export_returns_dict(self, processcount_plugin):
"""Test that get_export returns a dict."""
processcount_plugin.update()
export = processcount_plugin.get_export()
assert isinstance(export, dict)
def test_export_equals_raw(self, processcount_plugin):
"""Test that export equals raw stats by default."""
processcount_plugin.update()
assert processcount_plugin.get_export() == processcount_plugin.get_raw()
class TestProcesscountPluginExtended:
"""Test ProcessCount plugin extended stats functionality."""
def test_enable_extended_method_exists(self, processcount_plugin):
"""Test that enable_extended method exists."""
assert hasattr(processcount_plugin, 'enable_extended')
assert callable(processcount_plugin.enable_extended)
def test_disable_extended_method_exists(self, processcount_plugin):
"""Test that disable_extended method exists."""
assert hasattr(processcount_plugin, 'disable_extended')
assert callable(processcount_plugin.disable_extended)
class TestProcesscountPluginPidMax:
"""Test ProcessCount plugin pid_max field."""
def test_pid_max_in_fields_description(self, processcount_plugin):
"""Test that pid_max is in fields description."""
assert 'pid_max' in processcount_plugin.fields_description
def test_pid_max_description(self, processcount_plugin):
"""Test that pid_max has a description."""
assert 'description' in processcount_plugin.fields_description['pid_max']