core/tests/test_unary_delta_proposal.py

263 lines
8.6 KiB
Python

"""Diagnostic-only contract tests for ``state_change.unary_delta``."""
from __future__ import annotations
import ast
import dataclasses
from pathlib import Path
import generate.problem_frame_contracts as problem_frame_contracts
import pytest
from generate.kernel_facts import SourceSpan
from generate.problem_frame_builder import build_problem_frame
from generate.problem_frame_contracts import assess_contracts, assess_unary_delta
FAMILY_ID = "state_change.unary_delta"
CANDIDATE_ORGAN = "unary_delta"
def _proposal(frame):
proposals = tuple(
proposal
for proposal in frame.proposals
if proposal.family_id == FAMILY_ID
)
assert len(proposals) == 1
return proposals[0]
def _relation(frame):
relations = tuple(
relation
for relation in frame.bound_relations
if relation.relation_type == "unary_delta"
)
assert len(relations) == 1
return relations[0]
def _assessment(frame):
assessments = tuple(
assessment
for assessment in assess_contracts(frame)
if assessment.candidate_organ == CANDIDATE_ORGAN
)
assert len(assessments) == 1
return assessments[0]
@pytest.mark.parametrize(
("problem_text", "cue", "direction"),
(
("Ana gained 3 marbles.", "gained", "increase"),
("The jar lost 2 cookies.", "lost", "decrease"),
),
)
def test_exact_local_gained_lost_event_is_proposed_bound_and_assessed(
problem_text: str,
cue: str,
direction: str,
) -> None:
frame = build_problem_frame(problem_text)
proposal = _proposal(frame)
relation = _relation(frame)
assessment = _assessment(frame)
assert proposal.status == "proposed"
assert proposal.diagnostic_only is True
assert proposal.serving_allowed is False
assert not hasattr(proposal, "runnable")
roles = {role.role: role for role in relation.roles}
assert set(roles) == {"action_cue", "delta_quantity", "changed_object", "direction"}
assert roles["direction"].target_id == direction
assert roles["action_cue"].evidence_spans[0].text == cue
assert assessment.runnable is True
assert assessment.missing_bindings == ()
assert assessment.unresolved_hazards == ()
assert all(
span.text == problem_text[span.start:span.end]
for span in (*proposal.evidence_spans, *relation.evidence_spans, *assessment.evidence_spans)
)
def test_builder_publishes_unary_delta_proposal_before_assessment(
monkeypatch: pytest.MonkeyPatch,
) -> None:
observed_statuses: list[str] = []
original = problem_frame_contracts.assess_contracts
def observe(frame):
observed_statuses.append(_proposal(frame).status)
return original(frame)
monkeypatch.setattr(problem_frame_contracts, "assess_contracts", observe)
frame = build_problem_frame("Ana gained 3 marbles.")
assert observed_statuses == ["proposed"]
assert _assessment(frame).runnable is True
def test_proposal_free_frame_does_not_dispatch_unary_delta_contract() -> None:
frame = build_problem_frame("Ana gained 3 marbles.")
proposal_free = dataclasses.replace(frame, proposals=())
assert CANDIDATE_ORGAN not in {
assessment.candidate_organ
for assessment in assess_contracts(proposal_free)
}
assessment = assess_unary_delta(proposal_free)
assert assessment.runnable is False
assert "unary_delta_proposal_required" in assessment.missing_bindings
@pytest.mark.parametrize(
"problem_text",
(
"There are 12 apples.",
"Tom has 12 apples.",
"Tom gave Ana 3 apples.",
"Tom sent Ana 3 apples.",
"Tom received 3 apples.",
"Tom bought 3 apples.",
"Tom put 3 apples in the box.",
"Tom took 3 apples from the box.",
"Tom had 12 apples and lost 3.",
"There are 12 apples. Tom lost 3.",
"She gained 3 apples.",
"Tom gained apples.",
"Tom gained 3 apples and oranges.",
"Tom gained 3 and 4 apples.",
"Tom gained 3 more apples than Ana.",
"20% of apples were gained.",
"3 apples per child were gained.",
"Tom did not gain 3 apples.",
"Tom may have gained 3 apples.",
"Tom gained 3 apples and lost 2 apples.",
),
)
def test_confusers_do_not_dispatch_unary_delta(problem_text: str) -> None:
frame = build_problem_frame(problem_text)
assert FAMILY_ID not in {proposal.family_id for proposal in frame.proposals}
assert not any(
relation.relation_type == "unary_delta"
for relation in frame.bound_relations
)
assert CANDIDATE_ORGAN not in {
assessment.candidate_organ
for assessment in assess_contracts(frame)
}
def test_missing_object_literal_surface_stays_unbound_and_non_runnable() -> None:
frame = build_problem_frame("Tom gained 3.")
assert FAMILY_ID not in {proposal.family_id for proposal in frame.proposals}
assert not any(
relation.relation_type == "unary_delta"
for relation in frame.bound_relations
)
assert CANDIDATE_ORGAN not in {
assessment.candidate_organ
for assessment in assess_contracts(frame)
}
def test_missing_quantity_blocks_runnable_unary_delta() -> None:
frame = build_problem_frame("Tom gained 3 apples.")
relation = _relation(frame)
stripped_roles = tuple(role for role in relation.roles if role.role != "delta_quantity")
broken = dataclasses.replace(frame, bound_relations=(dataclasses.replace(relation, roles=stripped_roles),))
assessment = assess_unary_delta(broken)
assert assessment.runnable is False
assert "delta_quantity_unbound" in assessment.missing_bindings
def test_quantity_kind_conflict_blocks_runnable_unary_delta() -> None:
frame = build_problem_frame("Tom gained 3 degrees.")
assessment = _assessment(frame)
assert assessment.runnable is False
assert "quantity_kind_unresolved" in assessment.missing_bindings
def test_synthetic_or_mismatched_unary_delta_evidence_refuses() -> None:
frame = build_problem_frame("Ana gained 3 marbles.")
proposal = _proposal(frame)
relation = _relation(frame)
synthetic = SourceSpan("synthetic", 0, 9)
cue = SourceSpan("Ana gained", 0, 10)
bad_relation = dataclasses.replace(
relation,
roles=tuple(
dataclasses.replace(role, evidence_spans=(synthetic,))
if role.role == "action_cue"
else role
for role in relation.roles
),
evidence_spans=(cue, *relation.evidence_spans[1:]),
)
broken = dataclasses.replace(
frame,
proposals=(dataclasses.replace(proposal, evidence_spans=(synthetic,)),),
bound_relations=(bad_relation,),
)
assessment = assess_unary_delta(broken)
assert assessment.runnable is False
assert "provenance_span_inexact" in assessment.missing_bindings
def test_unary_delta_replay_is_deterministic() -> None:
problem_text = "Ana gained 3 marbles."
first = build_problem_frame(problem_text)
second = build_problem_frame(problem_text)
assert first.proposals == second.proposals
assert first.bound_relations == second.bound_relations
assert assess_contracts(first) == assess_contracts(second)
def test_existing_proposal_first_families_do_not_gain_unary_delta_dispatch() -> None:
percent_partition = (
"A school has 100 students. Half of the students are girls, the other half are boys. "
"20% of the girls have dogs and 10% of the boys have dogs. "
"How many students own dogs?"
)
fraction_decrease = (
"A tank's temperature will decrease to 3/4 of its current temperature. "
"If the current temperature is 84 degrees, how many degrees will it decrease by?"
)
quantity_entity = "A school has 100 students."
for problem_text in (percent_partition, fraction_decrease, quantity_entity):
frame = build_problem_frame(problem_text)
assert FAMILY_ID not in {proposal.family_id for proposal in frame.proposals}
assert CANDIDATE_ORGAN not in {
assessment.candidate_organ
for assessment in assess_contracts(frame)
}
def test_unary_delta_path_does_not_import_legacy_semantic_state() -> None:
for module in (
"generate.problem_frame_builder",
"generate.problem_frame_contracts",
):
path = Path(__import__(module, fromlist=["__file__"]).__file__)
tree = ast.parse(path.read_text(encoding="utf-8"))
imported = {
node.module
for node in ast.walk(tree)
if isinstance(node, ast.ImportFrom) and node.module is not None
}
assert "generate.derivation.state" not in imported