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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 Network plugin."""
import json
import time
import pytest
@pytest.fixture
def network_plugin(glances_stats):
"""Return the Network plugin instance from glances_stats."""
return glances_stats.get_plugin('network')
class TestNetworkPluginBasics:
"""Test basic Network plugin functionality."""
def test_plugin_name(self, network_plugin):
"""Test plugin name is correctly set."""
assert network_plugin.plugin_name == 'network'
def test_plugin_is_enabled(self, network_plugin):
"""Test that the plugin is enabled by default."""
assert network_plugin.is_enabled() is True
def test_display_curse_enabled(self, network_plugin):
"""Test that curse display is enabled."""
assert network_plugin.display_curse is True
def test_get_key_returns_interface_name(self, network_plugin):
"""Test that get_key returns interface_name."""
assert network_plugin.get_key() == 'interface_name'
def test_history_items_defined(self, network_plugin):
"""Test that history items are properly defined."""
items = network_plugin.get_items_history_list()
assert items is not None
item_names = [item['name'] for item in items]
assert 'bytes_recv_rate_per_sec' in item_names
assert 'bytes_sent_rate_per_sec' in item_names
class TestNetworkPluginUpdate:
"""Test Network plugin update functionality."""
def test_update_returns_list(self, network_plugin):
"""Test that update returns a list."""
network_plugin.update()
stats = network_plugin.get_raw()
assert isinstance(stats, list)
def test_each_interface_has_name(self, network_plugin):
"""Test that each interface entry has a name."""
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
assert 'interface_name' in iface
def test_bytes_recv_and_sent_present(self, network_plugin):
"""Test that bytes_recv and bytes_sent are present."""
network_plugin.update()
time.sleep(0.1)
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
assert 'bytes_recv' in iface
assert 'bytes_sent' in iface
def test_bytes_values_non_negative(self, network_plugin):
"""Test that byte values are non-negative."""
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
if 'bytes_recv' in iface and iface['bytes_recv'] is not None:
assert iface['bytes_recv'] >= 0
if 'bytes_sent' in iface and iface['bytes_sent'] is not None:
assert iface['bytes_sent'] >= 0
class TestNetworkPluginRateCalculation:
"""Test Network plugin rate calculation."""
def test_rate_fields_after_two_updates(self, network_plugin):
"""Test that rate fields are populated after two updates."""
network_plugin.update()
time.sleep(0.2)
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
# Rate fields should be present after second update
assert 'bytes_recv_rate_per_sec' in iface or 'bytes_recv' in iface
assert 'bytes_sent_rate_per_sec' in iface or 'bytes_sent' in iface
def test_bytes_all_calculated(self, network_plugin):
"""Test that bytes_all is calculated as sum of recv and sent."""
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
if all(k in iface for k in ['bytes_recv', 'bytes_sent', 'bytes_all']):
if iface['bytes_recv'] is not None and iface['bytes_sent'] is not None:
expected = iface['bytes_recv'] + iface['bytes_sent']
assert iface['bytes_all'] == expected
class TestNetworkPluginInterfaceInfo:
"""Test Network plugin interface information."""
def test_is_up_field_present(self, network_plugin):
"""Test that is_up field is present for interfaces when available."""
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
# is_up may not be present in all stats entries
if 'is_up' in iface:
assert isinstance(iface['is_up'], bool)
def test_speed_field_present(self, network_plugin):
"""Test that speed field is present for interfaces when available."""
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
if 'speed' in iface:
assert isinstance(iface['speed'], (int, float))
def test_alias_field_present(self, network_plugin):
"""Test that alias field is present for interfaces."""
network_plugin.update()
stats = network_plugin.get_raw()
for iface in stats:
assert 'alias' in iface
class TestNetworkPluginViews:
"""Test Network plugin views functionality."""
def test_update_views_creates_views(self, network_plugin):
"""Test that update_views creates views dictionary."""
network_plugin.update()
network_plugin.update_views()
views = network_plugin.get_views()
assert isinstance(views, dict)
def test_views_keyed_by_interface(self, network_plugin):
"""Test that views are keyed by interface name."""
network_plugin.update()
time.sleep(0.1)
network_plugin.update()
network_plugin.update_views()
views = network_plugin.get_views()
stats = network_plugin.get_raw()
for iface in stats:
if iface['interface_name'] in views:
assert isinstance(views[iface['interface_name']], dict)
class TestNetworkPluginJSON:
"""Test Network plugin JSON serialization."""
def test_get_stats_returns_json(self, network_plugin):
"""Test that get_stats returns valid JSON."""
network_plugin.update()
stats_json = network_plugin.get_stats()
parsed = json.loads(stats_json)
assert isinstance(parsed, list)
def test_json_preserves_interface_data(self, network_plugin):
"""Test that JSON output preserves interface data."""
network_plugin.update()
stats_json = network_plugin.get_stats()
parsed = json.loads(stats_json)
for iface in parsed:
assert 'interface_name' in iface
class TestNetworkPluginHistory:
"""Test Network plugin history functionality."""
def test_history_enable(self, network_plugin):
"""Test that history can be enabled."""
assert network_plugin.history_enable() is not None
class TestNetworkPluginReset:
"""Test Network plugin reset functionality."""
def test_reset_clears_stats(self, network_plugin):
"""Test that reset clears stats."""
network_plugin.update()
network_plugin.reset()
stats = network_plugin.get_raw()
assert stats == network_plugin.get_init_value()
def test_reset_views(self, network_plugin):
"""Test that reset_views clears views."""
network_plugin.update()
network_plugin.update_views()
network_plugin.reset_views()
assert network_plugin.get_views() == {}
class TestNetworkPluginFieldsDescription:
"""Test Network plugin fields description."""
def test_fields_description_exists(self, network_plugin):
"""Test that fields_description is defined."""
assert network_plugin.fields_description is not None
def test_mandatory_fields_described(self, network_plugin):
"""Test that mandatory fields have descriptions."""
mandatory_fields = ['interface_name', 'bytes_recv', 'bytes_sent']
for field in mandatory_fields:
assert field in network_plugin.fields_description
def test_rate_fields_described(self, network_plugin):
"""Test that rate-enabled fields have rate flag."""
rate_fields = ['bytes_recv', 'bytes_sent', 'bytes_all']
for field in rate_fields:
if field in network_plugin.fields_description:
assert network_plugin.fields_description[field].get('rate') is True
class TestNetworkPluginConfiguration:
"""Test Network plugin configuration options."""
def test_hide_zero_attribute(self, network_plugin):
"""Test that hide_zero attribute exists."""
assert hasattr(network_plugin, 'hide_zero')
def test_hide_zero_fields_defined(self, network_plugin):
"""Test that hide_zero_fields is defined."""
assert hasattr(network_plugin, 'hide_zero_fields')
assert isinstance(network_plugin.hide_zero_fields, list)
def test_hide_no_up_attribute(self, network_plugin):
"""Test that hide_no_up attribute exists."""
assert hasattr(network_plugin, 'hide_no_up')
def test_hide_no_ip_attribute(self, network_plugin):
"""Test that hide_no_ip attribute exists."""
assert hasattr(network_plugin, 'hide_no_ip')
class TestNetworkPluginMsgCurse:
"""Test Network plugin curse message generation."""
def test_msg_curse_empty_without_max_width(self, network_plugin):
"""Test that msg_curse returns empty without max_width."""
network_plugin.update()
msg = network_plugin.msg_curse()
# Without max_width, should return empty list
assert isinstance(msg, list)
assert len(msg) == 0
def test_msg_curse_with_args_and_max_width(self, network_plugin):
"""Test that msg_curse works with args and max_width after views update."""
network_plugin.update()
network_plugin.update_views()
# msg_curse requires args with network_cumul and network_sum
if hasattr(network_plugin, 'args') and network_plugin.args:
try:
msg = network_plugin.msg_curse(args=network_plugin.args, max_width=80)
assert isinstance(msg, list)
except KeyError:
# Views might not be synced with stats in some cases
pass
class TestNetworkPluginSorting:
"""Test Network plugin sorting functionality."""
def test_sorted_stats_returns_list(self, network_plugin):
"""Test that sorted_stats returns a list."""
network_plugin.update()
sorted_stats = network_plugin.sorted_stats()
assert isinstance(sorted_stats, list)
def test_sorted_stats_preserves_count(self, network_plugin):
"""Test that sorted_stats preserves interface count."""
network_plugin.update()
raw_count = len(network_plugin.get_raw())
sorted_count = len(network_plugin.sorted_stats())
assert raw_count == sorted_count
class TestNetworkPluginExport:
"""Test Network plugin export functionality."""
def test_get_export_returns_list(self, network_plugin):
"""Test that get_export returns a list."""
network_plugin.update()
export = network_plugin.get_export()
assert isinstance(export, list)
def test_export_equals_raw(self, network_plugin):
"""Test that export equals raw stats by default."""
network_plugin.update()
assert network_plugin.get_export() == network_plugin.get_raw()
class TestNetworkPluginAlerts:
"""Test Network plugin alert functionality."""
def test_views_have_decoration(self, network_plugin):
"""Test that interface views have decoration after update."""
network_plugin.update()
time.sleep(0.1)
network_plugin.update()
network_plugin.update_views()
views = network_plugin.get_views()
stats = network_plugin.get_raw()
for iface in stats:
iface_name = iface['interface_name']
if iface_name in views and 'bytes_recv' in views[iface_name]:
# Check that decoration exists for rate fields
assert 'decoration' in views[iface_name]['bytes_recv']
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