244 lines
7.5 KiB
Python
244 lines
7.5 KiB
Python
from __future__ import annotations
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from collections.abc import Iterator
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from datetime import datetime, timezone
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import pytest
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from sqlalchemy import create_engine
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from sqlalchemy.orm import Session, sessionmaker
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from config.database import Base
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from models import (
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DistributionType,
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FinancialCategory,
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FinancialInput,
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MiningOperationType,
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Project,
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Scenario,
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ScenarioStatus,
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SimulationParameter,
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StochasticVariable,
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)
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from services.repositories import (
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FinancialInputRepository,
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ProjectRepository,
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ScenarioRepository,
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SimulationParameterRepository,
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)
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from services.unit_of_work import UnitOfWork
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@pytest.fixture()
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def engine():
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engine = create_engine("sqlite:///:memory:", future=True)
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Base.metadata.create_all(bind=engine)
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try:
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yield engine
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finally:
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Base.metadata.drop_all(bind=engine)
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@pytest.fixture()
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def session(engine) -> Iterator[Session]:
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TestingSession = sessionmaker(bind=engine, expire_on_commit=False, future=True)
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session = TestingSession()
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try:
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yield session
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finally:
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session.close()
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def test_project_repository_create_and_list(session: Session) -> None:
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repo = ProjectRepository(session)
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project = Project(name="Project Alpha", operation_type=MiningOperationType.OPEN_PIT)
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repo.create(project)
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projects = repo.list()
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assert len(projects) == 1
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assert projects[0].name == "Project Alpha"
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def test_scenario_repository_get_with_children(session: Session) -> None:
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project = Project(name="Project Beta", operation_type=MiningOperationType.UNDERGROUND)
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scenario = Scenario(name="Scenario 1", project=project, status=ScenarioStatus.ACTIVE)
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scenario.financial_inputs.append(
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FinancialInput(
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name="Lease Payment",
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category=FinancialCategory.OPERATING_EXPENDITURE,
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amount=10000,
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currency="usd",
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)
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)
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scenario.simulation_parameters.append(
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SimulationParameter(
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name="Copper Price",
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distribution=DistributionType.NORMAL,
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mean_value=3.5,
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variable=StochasticVariable.METAL_PRICE,
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)
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)
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session.add(project)
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session.flush()
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repo = ScenarioRepository(session)
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retrieved = repo.get(scenario.id, with_children=True)
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assert retrieved.project.name == "Project Beta"
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assert len(retrieved.financial_inputs) == 1
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assert retrieved.financial_inputs[0].currency == "USD"
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assert len(retrieved.simulation_parameters) == 1
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assert (
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retrieved.simulation_parameters[0].variable
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== StochasticVariable.METAL_PRICE
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)
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param_repo = SimulationParameterRepository(session)
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params = param_repo.list_for_scenario(scenario.id)
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assert len(params) == 1
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def test_financial_input_repository_bulk_upsert(session: Session) -> None:
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project = Project(name="Project Gamma", operation_type=MiningOperationType.QUARRY)
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scenario = Scenario(name="Scenario Bulk", project=project)
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session.add(project)
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session.flush()
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repo = FinancialInputRepository(session)
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created = repo.bulk_upsert(
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[
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FinancialInput(
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scenario_id=scenario.id,
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name="Explosives",
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category=FinancialCategory.OPERATING_EXPENDITURE,
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amount=5000,
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currency="cad",
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),
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FinancialInput(
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scenario_id=scenario.id,
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name="Equipment Lease",
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category=FinancialCategory.OPERATING_EXPENDITURE,
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amount=12000,
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currency="cad",
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),
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]
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)
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assert len(created) == 2
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stored = repo.list_for_scenario(scenario.id)
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assert len(stored) == 2
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assert all(item.currency == "CAD" for item in stored)
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def test_unit_of_work_commit_and_rollback(engine) -> None:
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TestingSession = sessionmaker(bind=engine, expire_on_commit=False, future=True)
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# Commit path
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with UnitOfWork(session_factory=TestingSession) as uow:
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uow.projects.create(
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Project(name="Project Delta", operation_type=MiningOperationType.PLACER)
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)
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with TestingSession() as session:
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projects = ProjectRepository(session).list()
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assert len(projects) == 1
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# Rollback path
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with pytest.raises(RuntimeError):
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with UnitOfWork(session_factory=TestingSession) as uow:
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uow.projects.create(
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Project(name="Project Epsilon", operation_type=MiningOperationType.OTHER)
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)
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raise RuntimeError("trigger rollback")
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with TestingSession() as session:
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projects = ProjectRepository(session).list()
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assert len(projects) == 1
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def test_project_repository_count_and_recent(session: Session) -> None:
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repo = ProjectRepository(session)
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project_alpha = Project(name="Alpha", operation_type=MiningOperationType.OPEN_PIT)
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project_bravo = Project(name="Bravo", operation_type=MiningOperationType.UNDERGROUND)
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repo.create(project_alpha)
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repo.create(project_bravo)
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project_alpha.updated_at = datetime(2025, 1, 1, tzinfo=timezone.utc)
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project_bravo.updated_at = datetime(2025, 1, 2, tzinfo=timezone.utc)
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session.flush()
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assert repo.count() == 2
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recent = repo.recent(limit=1)
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assert len(recent) == 1
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assert recent[0].name == "Bravo"
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def test_scenario_repository_counts_and_filters(session: Session) -> None:
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project = Project(name="Project", operation_type=MiningOperationType.PLACER)
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session.add(project)
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session.flush()
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repo = ScenarioRepository(session)
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draft = Scenario(name="Draft", project_id=project.id,
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status=ScenarioStatus.DRAFT)
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active = Scenario(name="Active", project_id=project.id,
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status=ScenarioStatus.ACTIVE)
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repo.create(draft)
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repo.create(active)
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draft.updated_at = datetime(2025, 1, 1, tzinfo=timezone.utc)
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active.updated_at = datetime(2025, 1, 3, tzinfo=timezone.utc)
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session.flush()
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assert repo.count() == 2
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assert repo.count_by_status(ScenarioStatus.ACTIVE) == 1
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recent = repo.recent(limit=1, with_project=True)
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assert len(recent) == 1
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assert recent[0].name == "Active"
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assert recent[0].project.name == "Project"
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drafts = repo.list_by_status(ScenarioStatus.DRAFT, limit=2, with_project=True)
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assert len(drafts) == 1
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assert drafts[0].name == "Draft"
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assert drafts[0].project_id == project.id
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def test_financial_input_repository_latest_created_at(session: Session) -> None:
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project = Project(name="Project FI", operation_type=MiningOperationType.OTHER)
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scenario = Scenario(name="Scenario FI", project=project)
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session.add(project)
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session.flush()
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repo = FinancialInputRepository(session)
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old_timestamp = datetime(2024, 12, 31, 15, 0)
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new_timestamp = datetime(2025, 1, 2, 8, 30)
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repo.bulk_upsert(
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[
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FinancialInput(
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scenario_id=scenario.id,
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name="Legacy Entry",
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category=FinancialCategory.OPERATING_EXPENDITURE,
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amount=1000,
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currency="usd",
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created_at=old_timestamp,
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updated_at=old_timestamp,
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),
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FinancialInput(
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scenario_id=scenario.id,
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name="New Entry",
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category=FinancialCategory.OPERATING_EXPENDITURE,
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amount=2000,
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currency="usd",
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created_at=new_timestamp,
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updated_at=new_timestamp,
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),
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]
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)
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latest = repo.latest_created_at()
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assert latest == new_timestamp |