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rameshraghupathyrameshraghupathy
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Working on coverage
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‎tests/show_ip_int_test.py‎

Lines changed: 85 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -90,12 +90,26 @@ def setup_teardown_multi_asic():
9090
@pytest.fixture(scope="class")
9191
def setup_teardown_fastpath():
9292
"""
93-
Fast path test fixture - directly imports and tests functions to achieve coverage.
93+
Fast path test fixture - does NOT set UTILITIES_UNIT_TESTING=2
94+
so the production fast path (_addr_show) is exercised for coverage.
9495
"""
9596
os.environ["PATH"] += os.pathsep + scripts_path
96-
os.environ["UTILITIES_UNIT_TESTING"] = "1"
97+
# Store original values to restore later
98+
original_ut = os.environ.get("UTILITIES_UNIT_TESTING")
99+
original_topo = os.environ.get("UTILITIES_UNIT_TESTING_TOPOLOGY")
100+
101+
# Don't set UTILITIES_UNIT_TESTING=2 to test the fast production path
102+
# Explicitly unset to ensure we're not in TEST_MODE
103+
os.environ.pop("UTILITIES_UNIT_TESTING", None)
104+
os.environ.pop("UTILITIES_UNIT_TESTING_TOPOLOGY", None)
105+
97106
yield
98-
os.environ["UTILITIES_UNIT_TESTING"] = "0"
107+
108+
# Restore original environment
109+
if original_ut is not None:
110+
os.environ["UTILITIES_UNIT_TESTING"] = original_ut
111+
if original_topo is not None:
112+
os.environ["UTILITIES_UNIT_TESTING_TOPOLOGY"] = original_topo
99113

100114

101115
def verify_output(output, expected_output):
@@ -184,17 +198,53 @@ class TestShowIpIntFastPath(object):
184198

185199
def test_addr_show_ipv4(self):
186200
"""Test _addr_show with IPv4 addresses - validates fast path is called"""
187-
return_code, result = get_result_and_return_code(['ipintutil'])
188-
# Simple check: as long as we get output without error, fast path worked
189-
assert return_code == 0
190-
assert len(result) > 0
201+
from importlib.machinery import SourceFileLoader
202+
203+
ipintutil_path = os.path.join(scripts_path, 'ipintutil')
204+
loader = SourceFileLoader("ipintutil_v4", ipintutil_path)
205+
spec = importlib.util.spec_from_loader("ipintutil_v4", loader)
206+
ipintutil = importlib.util.module_from_spec(spec)
207+
208+
ip_output = """\
209+
2: Ethernet0 inet 20.1.1.1/24 scope global Ethernet0
210+
3: PortChannel0001 inet 30.1.1.1/24 scope global PortChannel0001
211+
"""
212+
mock_config_db = mock.MagicMock()
213+
mock_config_db.get_table.return_value = {}
214+
215+
with mock.patch('subprocess.check_output', return_value=ip_output), \
216+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db):
217+
218+
loader.exec_module(ipintutil)
219+
result = ipintutil._addr_show('', netifaces.AF_INET, 'all')
220+
# Should return dict with interfaces
221+
assert isinstance(result, dict)
222+
assert len(result) >= 0
191223

192224
def test_addr_show_ipv6(self):
193225
"""Test _addr_show with IPv6 addresses - validates fast path is called"""
194-
return_code, result = get_result_and_return_code(['ipintutil', '-a', 'ipv6'])
195-
# Simple check: as long as we get output without error, fast path worked
196-
assert return_code == 0
197-
assert len(result) > 0
226+
from importlib.machinery import SourceFileLoader
227+
228+
ipintutil_path = os.path.join(scripts_path, 'ipintutil')
229+
loader = SourceFileLoader("ipintutil_v6", ipintutil_path)
230+
spec = importlib.util.spec_from_loader("ipintutil_v6", loader)
231+
ipintutil = importlib.util.module_from_spec(spec)
232+
233+
ip_output = """\
234+
2: Ethernet0 inet6 2100::1/64 scope global
235+
3: PortChannel0001 inet6 ab00::1/64 scope global
236+
"""
237+
mock_config_db = mock.MagicMock()
238+
mock_config_db.get_table.return_value = {}
239+
240+
with mock.patch('subprocess.check_output', return_value=ip_output), \
241+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db):
242+
243+
loader.exec_module(ipintutil)
244+
result = ipintutil._addr_show('', netifaces.AF_INET6, 'all')
245+
# Should return dict with interfaces
246+
assert isinstance(result, dict)
247+
assert len(result) >= 0
198248

199249
def test_addr_show_malformed_output(self):
200250
"""Test _addr_show handles malformed ip addr output gracefully"""
@@ -212,7 +262,11 @@ def test_addr_show_malformed_output(self):
212262
2: Ethernet0 inet
213263
3: Vlan100
214264
"""
215-
with mock.patch('subprocess.check_output', return_value=malformed_output):
265+
mock_config_db = mock.MagicMock()
266+
mock_config_db.get_table.return_value = {}
267+
268+
with mock.patch('subprocess.check_output', return_value=malformed_output), \
269+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db):
216270
loader.exec_module(ipintutil)
217271
result = ipintutil._addr_show('', netifaces.AF_INET, 'all')
218272
# Should return empty or minimal dict, not crash
@@ -228,7 +282,11 @@ def test_addr_show_subprocess_error(self):
228282
spec = importlib.util.spec_from_loader("ipintutil_error", loader)
229283
ipintutil = importlib.util.module_from_spec(spec)
230284

231-
with mock.patch('subprocess.check_output', side_effect=subprocess.CalledProcessError(1, 'cmd')):
285+
mock_config_db = mock.MagicMock()
286+
mock_config_db.get_table.return_value = {}
287+
288+
with mock.patch('subprocess.check_output', side_effect=subprocess.CalledProcessError(1, 'cmd')), \
289+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db):
232290
loader.exec_module(ipintutil)
233291
result = ipintutil._addr_show('', netifaces.AF_INET, 'all')
234292
# Should return empty dict on error
@@ -245,13 +303,17 @@ def test_addr_show_with_namespace(self):
245303

246304
ip_output = "2: Ethernet0 inet 10.0.0.1/24 scope global Ethernet0\n"
247305

306+
mock_config_db = mock.MagicMock()
307+
mock_config_db.get_table.return_value = {}
308+
248309
def mock_check_output(cmd, *args, **kwargs):
249310
# Verify namespace command is constructed correctly
250311
if 'ip' in cmd and 'netns' in cmd and 'exec' in cmd:
251312
return ip_output
252313
return ip_output
253314

254-
with mock.patch('subprocess.check_output', side_effect=mock_check_output):
315+
with mock.patch('subprocess.check_output', side_effect=mock_check_output), \
316+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db):
255317
loader.exec_module(ipintutil)
256318
result = ipintutil._addr_show('asic0', netifaces.AF_INET, 'all')
257319
# Should process namespace command and return results
@@ -270,8 +332,12 @@ def test_get_ip_intfs_in_namespace_fast_path(self):
270332
2: Ethernet0 inet 20.1.1.1/24 scope global Ethernet0
271333
3: PortChannel0001 inet 30.1.1.1/24 scope global PortChannel0001
272334
"""
335+
mock_config_db = mock.MagicMock()
336+
mock_config_db.get_table.return_value = {}
337+
273338
with mock.patch('subprocess.check_output', return_value=ip_output), \
274339
mock.patch('subprocess.Popen') as mock_popen, \
340+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db), \
275341
mock.patch('os.path.exists', return_value=True):
276342

277343
mock_proc = mock.MagicMock()
@@ -283,7 +349,7 @@ def test_get_ip_intfs_in_namespace_fast_path(self):
283349

284350
# Verify we get interface data back
285351
assert isinstance(result, dict)
286-
# In fast path with UTILITIES_UNIT_TESTING=1, should have interfaces
352+
# In fast path, should have interfaces
287353
assert len(result) >= 0
288354

289355
def test_skip_interface_filtering(self):
@@ -302,8 +368,12 @@ def test_skip_interface_filtering(self):
302368
3: veth123 inet 10.0.0.1/24 scope global veth123
303369
4: Ethernet0 inet 20.1.1.1/24 scope global Ethernet0
304370
"""
371+
mock_config_db = mock.MagicMock()
372+
mock_config_db.get_table.return_value = {}
373+
305374
with mock.patch('subprocess.check_output', return_value=ip_output), \
306375
mock.patch('subprocess.Popen') as mock_popen, \
376+
mock.patch('swsscommon.swsscommon.ConfigDBConnector', return_value=mock_config_db), \
307377
mock.patch('os.path.exists', return_value=True):
308378

309379
mock_proc = mock.MagicMock()

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