58 lines
3.2 KiB
Python
58 lines
3.2 KiB
Python
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"""Exact release failure fences, mocked Kubernetes; no mail or cluster calls."""
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import copy
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import importlib.util
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import json
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from pathlib import Path
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import pytest
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@pytest.mark.parametrize('failure', ['capture','migration','patch_before','patch_unknown','rollout','verify',None])
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def test_release_preserves_old_receiver_or_holds_new_receiver_stopped(tmp_path, monkeypatch, failure):
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script=Path(__file__).resolve().parents[1]/'deploy/k8s/railiance/deploy-callers-2026-10-08.py'
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spec=importlib.util.spec_from_file_location('caller_release',script)
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module=importlib.util.module_from_spec(spec);spec.loader.exec_module(module)
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before={'spec':{'replicas':1,'template':{'spec':{'containers':[{'image':module.OLD}]} }},'status':{'readyReplicas':1}}
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state=copy.deepcopy(before)
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def document(*args):return copy.deepcopy(state)
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def k(*args, **kwargs):
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if args[0]=='patch':
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operations=json.loads(args[args.index('-p')+1])
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if operations[0]['path']=='/spec/template':
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assert state['spec']['template']==operations[0]['value']
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assert state['spec']['replicas']==1
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state['spec']['replicas']=0
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else:
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assert module.image(state)==module.OLD
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if failure=='patch_before':raise module.Refused('synthetic_failure')
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state['spec']['template']['spec']['containers'][0]['image']=module.NEW
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if failure=='patch_unknown':raise module.Refused('synthetic_lost_response')
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if args[0]=='scale':state['spec']['replicas']=int(args[-1].split('=')[1])
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if args[0]=='rollout' and module.image(state)==module.NEW and failure=='rollout':
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raise module.Refused('synthetic_failure')
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return b''
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def capture(*args):
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if failure=='capture':raise module.Refused('synthetic_failure')
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return {'database_sha256':'synthetic','database_bytes':1}
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def rehearse(*args):
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if failure=='migration':raise module.Refused('synthetic_failure')
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return {'all_five_table_rows_preserved':True,'mail_sent':False}
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def verify():
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if failure=='verify':raise module.Refused('synthetic_failure')
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return {'mail_sent':False,'scoped_policy_active':False}
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for name,value in [('k',k),('document',document),('capture',capture),('rehearse',rehearse),('verify',verify)]:
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monkeypatch.setattr(module,name,value)
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destination=tmp_path/'release'
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body=json.dumps({'metadata':{'name':'synthetic-helper'}}).encode()
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if failure:
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with pytest.raises(module.Refused):module.deploy(before,body,destination)
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receipt=json.loads((destination/'release-receipt.json').read_text())
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assert receipt['status']=='failed'
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changed=failure in {'patch_unknown','rollout','verify'}
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assert module.image(state)==(module.NEW if changed else module.OLD)
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assert state['spec']['replicas']==(0 if changed else 1)
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else:
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receipt=module.deploy(before,body,destination)
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assert receipt['status']=='released_verified'
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assert state['spec']['replicas']==1 and module.image(state)==module.NEW
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assert destination.stat().st_mode & 0o777==0o700
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assert (destination/'release-receipt.json').stat().st_mode & 0o777==0o600
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