Tyler
115 lines
3.5 KiB
Python
115 lines
3.5 KiB
Python
"""Tests for the pure reconciliation functions.
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These tests use lightweight stand-in objects (namedtuples) rather than
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SQLAlchemy ORM instances, so the reconcile module has zero DB dependency.
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"""
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from __future__ import annotations
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from dataclasses import dataclass
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from datetime import date
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from typing import Optional
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import pytest
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from cyclone import reconcile
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# --- Stand-in types -----------------------------------------------------------
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@dataclass
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class FakeClaim:
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id: str
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patient_control_number: str
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service_date_from: Optional[date]
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state: str = "submitted"
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matched_remittance_id: Optional[str] = None
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@dataclass
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class FakeRemit:
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id: str
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payer_claim_control_number: str
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service_date: Optional[date]
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is_reversal: bool = False
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# --- match() ------------------------------------------------------------------
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def test_match_same_pcn_within_window_matches():
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claims = [FakeClaim("CLM-1", "PCN-A", date(2026, 6, 1))]
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remits = [FakeRemit("CLP-1", "PCN-A", date(2026, 6, 2))]
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matches = reconcile.match(claims, remits, window_days=7)
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assert len(matches) == 1
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assert matches[0].claim.id == "CLM-1"
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assert matches[0].remittance.id == "CLP-1"
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assert matches[0].strategy == "auto"
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def test_match_dates_outside_window_unmatched():
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claims = [FakeClaim("CLM-1", "PCN-A", date(2026, 6, 1))]
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remits = [FakeRemit("CLP-1", "PCN-A", date(2026, 7, 1))] # 30d apart
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matches = reconcile.match(claims, remits, window_days=7)
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assert matches == []
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def test_match_different_pcn_unmatched():
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claims = [FakeClaim("CLM-1", "PCN-A", date(2026, 6, 1))]
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remits = [FakeRemit("CLP-1", "PCN-B", date(2026, 6, 1))]
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matches = reconcile.match(claims, remits)
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assert matches == []
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def test_match_multiple_claims_same_pcn_picks_closest_date():
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claims = [
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FakeClaim("CLM-1", "PCN-A", date(2026, 5, 1)),
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FakeClaim("CLM-2", "PCN-A", date(2026, 6, 1)), # closer
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]
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remits = [FakeRemit("CLP-1", "PCN-A", date(2026, 6, 2))]
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matches = reconcile.match(claims, remits)
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assert len(matches) == 1
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assert matches[0].claim.id == "CLM-2"
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def test_match_multiple_remits_same_pcn_each_gets_own_claim():
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claims = [
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FakeClaim("CLM-1", "PCN-A", date(2026, 6, 1)),
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FakeClaim("CLM-2", "PCN-A", date(2026, 6, 15)),
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]
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remits = [
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FakeRemit("CLP-1", "PCN-A", date(2026, 6, 2)),
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FakeRemit("CLP-2", "PCN-A", date(2026, 6, 16)),
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]
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matches = reconcile.match(claims, remits)
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assert len(matches) == 2
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claim_ids = {m.claim.id for m in matches}
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assert claim_ids == {"CLM-1", "CLM-2"}
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def test_match_skips_already_matched_claims():
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claims = [FakeClaim("CLM-1", "PCN-A", date(2026, 6, 1), matched_remittance_id="OLD")]
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remits = [FakeRemit("CLP-1", "PCN-A", date(2026, 6, 1))]
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matches = reconcile.match(claims, remits)
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assert matches == []
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def test_match_falls_back_to_first_claim_when_no_service_date():
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"""When the remit has no service_date, match the first claim for that PCN."""
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claims = [
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FakeClaim("CLM-1", "PCN-A", None),
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FakeClaim("CLM-2", "PCN-A", None),
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]
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remits = [FakeRemit("CLP-1", "PCN-A", None)]
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matches = reconcile.match(claims, remits)
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assert len(matches) == 1
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assert matches[0].claim.id == "CLM-1"
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def test_match_reversal_flag_propagates():
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claims = [FakeClaim("CLM-1", "PCN-A", date(2026, 6, 1))]
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remits = [FakeRemit("CLP-1", "PCN-A", date(2026, 6, 1), is_reversal=True)]
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matches = reconcile.match(claims, remits)
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assert matches[0].is_reversal is True
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