| """Acceptance scenarios: every scenario gets an independent project/state copy.""" |
|
|
| from __future__ import annotations |
|
|
| import copy |
| import json |
| import random |
|
|
| from .catalog import FAMILIES |
| from .fuzz import generated_inputs |
| from .protocol import TIERS |
| from .reference.service import Service |
|
|
|
|
| def scenarios(family, tier, seed=1729): |
| f = FAMILIES[family] |
| level = list(TIERS).index(tier) |
| rng = random.Random(f"{seed}/{family}/{tier}") |
| a, b, c = [ |
| prefix + str(rng.randrange(10**8)) for prefix in ("doc/", "doc/", "other/") |
| ] |
| a, b = sorted((a, b)) |
| value, other = copy.deepcopy(f.inputs[0]), copy.deepcopy(f.inputs[-1]) |
| traces = [] |
|
|
| def add(name, *sessions): |
| traces.append( |
| {"name": name, "sessions": [{"requests": list(s)} for s in sessions]} |
| ) |
|
|
| add( |
| "generated-domain", |
| [{"op": "solve", "input": v} for v in generated_inputs(family, seed=seed)], |
| ) |
| add("domain-boundaries", [{"op": "solve", "input": v} for v in f.inputs]) |
| add( |
| "protocol-errors", |
| [ |
| "{broken", |
| "", |
| "null", |
| "[]", |
| "42", |
| {}, |
| {"op": 1}, |
| {"op": "unknown"}, |
| {"op": "solve"}, |
| {"op": "solve", "input": []}, |
| {"op": "solve", "input": {}}, |
| {"op": "solve", "input": value}, |
| ], |
| ) |
| add( |
| "required-fields", |
| [ |
| {"op": "solve", "input": {k: v for k, v in value.items() if k != missing}} |
| for missing in f.required |
| ] |
| + [{"op": "solve", "input": dict(value, ignored_extra={"nested": True})}], |
| ) |
| if level == 0: |
| add( |
| "unsupported-store", |
| [ |
| {"op": "put", "key": a, "value": value}, |
| {"op": "status"}, |
| {"op": "batch", "commands": []}, |
| ], |
| ) |
| if level >= 1: |
| add( |
| "document-lifecycle", |
| [ |
| {"op": "status"}, |
| {"op": "list"}, |
| {"op": "get", "key": a}, |
| {"op": "put", "key": a, "value": value}, |
| {"op": "evaluate", "key": a}, |
| {"op": "get", "key": a}, |
| {"op": "put", "key": a, "value": other}, |
| {"op": "evaluate", "key": a}, |
| {"op": "put", "key": b, "value": value}, |
| {"op": "delete", "key": a}, |
| {"op": "get", "key": a}, |
| {"op": "delete", "key": a}, |
| {"op": "get", "key": b}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "listing-and-json-values", |
| [ |
| {"op": "put", "key": c, "value": None}, |
| {"op": "put", "key": b, "value": [True, False, {"x": [1, None]}]}, |
| {"op": "put", "key": a, "value": {}}, |
| {"op": "put", "key": "../é/😀", "value": "value"}, |
| {"op": "list"}, |
| {"op": "list", "prefix": "doc/"}, |
| {"op": "list", "prefix": "missing"}, |
| {"op": "get", "key": c}, |
| {"op": "evaluate", "key": c}, |
| {"op": "evaluate", "key": a}, |
| {"op": "get", "key": b}, |
| {"op": "put", "key": c, "value": None}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "store-errors", |
| [ |
| {"op": "put", "key": "", "value": 1}, |
| {"op": "put", "key": a}, |
| {"op": "put", "key": 1, "value": None}, |
| {"op": "get"}, |
| {"op": "delete", "key": []}, |
| {"op": "list", "prefix": None}, |
| {"op": "evaluate", "key": "missing"}, |
| {"op": "status"}, |
| ], |
| ) |
| if level == 1: |
| add( |
| "unsupported-transactions", |
| [ |
| {"op": "begin"}, |
| {"op": "batch", "commands": []}, |
| {"op": "history"}, |
| {"op": "status"}, |
| ], |
| ) |
| if level >= 2: |
| add( |
| "compare-and-swap", |
| [ |
| {"op": "put", "key": a, "value": value, "if_revision": 0}, |
| {"op": "put", "key": b, "value": value, "if_revision": 0}, |
| {"op": "delete", "key": "missing", "if_revision": 0}, |
| {"op": "delete", "key": a, "if_revision": True}, |
| {"op": "put", "key": a, "value": other, "if_revision": -1}, |
| {"op": "put", "key": a, "value": other, "if_revision": 1}, |
| {"op": "get", "key": a}, |
| {"op": "delete", "key": a, "if_revision": 2}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "atomic-batches", |
| [ |
| {"op": "batch", "commands": []}, |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "put", "key": a, "value": value}, |
| {"op": "evaluate", "key": a}, |
| {"op": "status"}, |
| ], |
| }, |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "put", "key": a, "value": other}, |
| {"op": "delete", "key": "missing"}, |
| ], |
| }, |
| {"op": "get", "key": a}, |
| {"op": "status"}, |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "delete", "key": a}, |
| {"op": "put", "key": b, "value": other, "if_revision": 2}, |
| {"op": "list"}, |
| ], |
| }, |
| {"op": "list"}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "batch-errors", |
| [ |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "put", "key": a, "value": value}, |
| {"op": "begin"}, |
| ], |
| }, |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "put", "key": a, "value": value}, |
| {"op": "batch", "commands": []}, |
| ], |
| }, |
| {"op": "batch", "commands": [None]}, |
| {"op": "batch", "commands": {}}, |
| {"op": "batch", "commands": [{"op": "status"}] * 33}, |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "put", "key": a, "value": {}}, |
| {"op": "evaluate", "key": a}, |
| ], |
| }, |
| {"op": "status"}, |
| {"op": "list"}, |
| ], |
| ) |
| add( |
| "nested-transactions", |
| [ |
| {"op": "commit"}, |
| {"op": "rollback"}, |
| {"op": "put", "key": a, "value": value}, |
| {"op": "begin"}, |
| {"op": "put", "key": a, "value": other}, |
| {"op": "begin"}, |
| {"op": "delete", "key": a}, |
| {"op": "put", "key": b, "value": value}, |
| {"op": "commit"}, |
| {"op": "status"}, |
| {"op": "rollback"}, |
| {"op": "get", "key": a}, |
| {"op": "get", "key": b}, |
| {"op": "status"}, |
| {"op": "begin"}, |
| {"op": "delete", "key": a}, |
| {"op": "rollback"}, |
| {"op": "get", "key": a}, |
| {"op": "begin"}, |
| {"op": "put", "key": b, "value": other}, |
| {"op": "commit"}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "transaction-limits", |
| [{"op": "begin"}] * 9 |
| + [{"op": "put", "key": a, "value": value}] |
| + [{"op": "rollback"}] * 9 |
| + [{"op": "status"}], |
| ) |
| if level == 2: |
| add( |
| "unsupported-durability", |
| [{"op": "history"}, {"op": "scan"}, {"op": "status"}], |
| ) |
| if level == 3: |
| add( |
| "durable-writes", |
| [ |
| {"op": "put", "key": a, "value": value}, |
| {"op": "put", "key": b, "value": other}, |
| ], |
| [ |
| {"op": "status"}, |
| {"op": "get", "key": a}, |
| {"op": "evaluate", "key": b}, |
| {"op": "delete", "key": a}, |
| ], |
| [ |
| {"op": "list"}, |
| {"op": "get", "key": a}, |
| {"op": "history"}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "durable-commit", |
| [ |
| {"op": "begin"}, |
| {"op": "put", "key": a, "value": value}, |
| {"op": "begin"}, |
| {"op": "put", "key": b, "value": other}, |
| {"op": "commit"}, |
| {"op": "commit"}, |
| ], |
| [ |
| {"op": "get", "key": a}, |
| {"op": "get", "key": b}, |
| {"op": "history"}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "discard-open-transactions", |
| [ |
| {"op": "put", "key": a, "value": value}, |
| {"op": "begin"}, |
| {"op": "put", "key": a, "value": other}, |
| {"op": "begin"}, |
| {"op": "put", "key": b, "value": value}, |
| {"op": "commit"}, |
| {"op": "status"}, |
| ], |
| [ |
| {"op": "get", "key": a}, |
| {"op": "get", "key": b}, |
| {"op": "history"}, |
| {"op": "status"}, |
| {"op": "rollback"}, |
| ], |
| ) |
| add( |
| "pagination-and-history", |
| [ |
| {"op": "put", "key": b, "value": other}, |
| {"op": "put", "key": a, "value": value}, |
| {"op": "put", "key": c, "value": None}, |
| {"op": "scan", "prefix": "doc/", "limit": 1}, |
| {"op": "scan", "prefix": "doc/", "after": a, "limit": 1}, |
| {"op": "scan", "limit": 0}, |
| {"op": "scan", "after": "zzzz"}, |
| {"op": "scan"}, |
| {"op": "history", "after": 1, "limit": 1}, |
| {"op": "delete", "key": a}, |
| {"op": "history", "after": 2}, |
| {"op": "begin"}, |
| {"op": "put", "key": c, "value": {}}, |
| {"op": "history"}, |
| {"op": "rollback"}, |
| {"op": "history"}, |
| ], |
| ) |
| add( |
| "durable-errors", |
| [ |
| {"op": "history", "after": True}, |
| {"op": "history", "limit": 101}, |
| {"op": "history", "limit": -1}, |
| {"op": "scan", "prefix": None}, |
| {"op": "scan", "after": 2}, |
| {"op": "scan", "limit": False}, |
| {"op": "get", "key": a, "token": "bad"}, |
| {"op": "put", "key": a, "value": 1, "token": ""}, |
| { |
| "op": "batch", |
| "commands": [ |
| {"op": "put", "key": a, "value": value, "token": "nested"} |
| ], |
| }, |
| {"op": "status"}, |
| {"op": "history"}, |
| ], |
| ) |
| first = { |
| "op": "put", |
| "key": a, |
| "value": value, |
| "if_revision": 0, |
| "token": "request/α", |
| } |
| add( |
| "idempotency-and-restart", |
| [ |
| first, |
| dict(reversed(list(first.items()))), |
| dict(first, value=other if other != value else None), |
| {"op": "status"}, |
| ], |
| [ |
| first, |
| {"op": "history"}, |
| {"op": "status"}, |
| {"op": "delete", "key": a, "token": "delete"}, |
| {"op": "delete", "key": a, "token": "delete"}, |
| ], |
| [ |
| {"op": "delete", "key": a, "token": "delete"}, |
| {"op": "history"}, |
| {"op": "status"}, |
| ], |
| ) |
| add( |
| "failed-tokens-and-rollback", |
| [ |
| {"op": "delete", "key": a, "token": "retry"}, |
| {"op": "put", "key": a, "value": value}, |
| {"op": "delete", "key": a, "token": "retry"}, |
| {"op": "begin"}, |
| {"op": "put", "key": b, "value": other, "token": "tx"}, |
| {"op": "rollback"}, |
| {"op": "put", "key": b, "value": value, "token": "tx"}, |
| { |
| "op": "batch", |
| "token": "atomic", |
| "commands": [ |
| {"op": "put", "key": c, "value": other}, |
| {"op": "delete", "key": b}, |
| ], |
| }, |
| { |
| "op": "batch", |
| "token": "atomic", |
| "commands": [ |
| {"op": "put", "key": c, "value": other}, |
| {"op": "delete", "key": b}, |
| ], |
| }, |
| {"op": "history"}, |
| {"op": "status"}, |
| ], |
| [ |
| {"op": "history"}, |
| {"op": "status"}, |
| {"op": "put", "key": b, "value": value, "token": "tx"}, |
| ], |
| ) |
| add( |
| "volatile-token-discard", |
| [ |
| {"op": "begin"}, |
| {"op": "put", "key": a, "value": value, "token": "volatile"}, |
| {"op": "begin"}, |
| {"op": "commit"}, |
| ], |
| [ |
| {"op": "put", "key": a, "value": other, "token": "volatile"}, |
| {"op": "history"}, |
| {"op": "status"}, |
| ], |
| ) |
| return traces |
|
|
|
|
| def expected_scenarios(family, tier, seed=1729): |
| """Materialize static expectations once; grading never loads reference code.""" |
| traces = scenarios(family, tier, seed) |
| for trace in traces: |
| service = Service(family, tier) |
| durable = copy.deepcopy(service.state) |
| for session in trace["sessions"]: |
| service = Service(family, tier) |
| if tier == "max": |
| service.state = copy.deepcopy(durable) |
| expected = [] |
| for request in session["requests"]: |
| try: |
| parsed = ( |
| json.loads(request) if isinstance(request, str) else request |
| ) |
| except json.JSONDecodeError: |
| response = {"ok": False, "error": "invalid_request"} |
| else: |
| response = service.request(parsed) |
| expected.append(response) |
| if tier == "max" and not service.stack: |
| durable = copy.deepcopy(service.state) |
| session["expected"] = expected |
| return traces |
|
|
