The helper used log.overtime (which doesn't exist on WorkLog); the correct field is overtime_amount. Combined with a defensive `getattr(..., None) or 0`, the bug made the flag permanently False, which would have silently hidden the 'Price now' banner in Tasks 3 and 4. Now reads overtime_amount directly (it's non-nullable with a 0.00 default, so no defensive shim is needed). Adds 4 regression tests: - test_overtime_needs_pricing_flag: the bug that just got fixed - test_query_count_is_bounded: N+1 guard (4 queries regardless of worker count) - test_empty_log_returns_zero_totals: log with no workers attached - test_log_without_team_has_no_pay_period: log whose team became NULL Also removes unused `reverse` import from tests.py. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
159 lines
7.0 KiB
Python
159 lines
7.0 KiB
Python
# === TESTS FOR WORK LOG PAYROLL CROSS-LINK ===
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# Covers the _build_work_log_payroll_context helper — the core logic that
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# determines, for each worker on a log, whether they were paid for it.
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import datetime
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from decimal import Decimal
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from django.contrib.auth.models import User
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from django.test import TestCase
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from core.models import Project, Team, Worker, WorkLog, PayrollRecord, PayrollAdjustment
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from core.views import _build_work_log_payroll_context
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class WorkLogPayrollContextTests(TestCase):
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"""Tests for the helper that builds the payroll-status view of a work log."""
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def setUp(self):
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# Minimal scenario: 1 admin, 1 project, 1 team, 3 workers, 1 log.
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# Worker A has been paid for the log; Worker B is priced-not-paid;
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# Worker C is unpaid.
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self.admin = User.objects.create_user(username='admin', is_staff=True)
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self.project = Project.objects.create(name='Test Project')
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self.team = Team.objects.create(name='Team X', supervisor=self.admin)
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self.worker_a = Worker.objects.create(name='Alice', id_number='A1', monthly_salary=Decimal('4000'))
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self.worker_b = Worker.objects.create(name='Bob', id_number='B1', monthly_salary=Decimal('4000'))
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self.worker_c = Worker.objects.create(name='Carol', id_number='C1', monthly_salary=Decimal('4000'))
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self.log = WorkLog.objects.create(
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date=datetime.date(2026, 4, 10),
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project=self.project,
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team=self.team,
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supervisor=self.admin,
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)
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self.log.workers.add(self.worker_a, self.worker_b, self.worker_c)
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# Worker A has a PayrollRecord linking them and this log — "Paid".
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self.record_a = PayrollRecord.objects.create(
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worker=self.worker_a,
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amount_paid=Decimal('200.00'),
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date=datetime.date(2026, 4, 15),
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)
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self.record_a.work_logs.add(self.log)
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# Worker B appears in priced_workers but has no PayrollRecord — "Priced, not paid".
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self.log.priced_workers.add(self.worker_b)
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# Worker C has neither — "Unpaid".
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def test_returns_log_and_worker_rows(self):
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ctx = _build_work_log_payroll_context(self.log)
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self.assertEqual(ctx['log'], self.log)
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self.assertEqual(len(ctx['worker_rows']), 3)
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def test_paid_worker_has_payslip_link(self):
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ctx = _build_work_log_payroll_context(self.log)
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row = next(r for r in ctx['worker_rows'] if r['worker'].id == self.worker_a.id)
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self.assertEqual(row['status'], 'Paid')
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self.assertEqual(row['payroll_record'], self.record_a)
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self.assertGreater(row['earned'], 0)
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def test_priced_but_unpaid_worker(self):
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ctx = _build_work_log_payroll_context(self.log)
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row = next(r for r in ctx['worker_rows'] if r['worker'].id == self.worker_b.id)
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self.assertEqual(row['status'], 'Priced, not paid')
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self.assertIsNone(row['payroll_record'])
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def test_totally_unpaid_worker(self):
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ctx = _build_work_log_payroll_context(self.log)
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row = next(r for r in ctx['worker_rows'] if r['worker'].id == self.worker_c.id)
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self.assertEqual(row['status'], 'Unpaid')
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self.assertIsNone(row['payroll_record'])
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def test_totals(self):
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ctx = _build_work_log_payroll_context(self.log)
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# Paid = Alice's daily_rate (one record exists for this log+worker).
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self.assertEqual(ctx['total_paid'], self.worker_a.daily_rate)
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# Outstanding = Bob + Carol each at their daily_rate.
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expected = self.worker_b.daily_rate + self.worker_c.daily_rate
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self.assertEqual(ctx['total_outstanding'], expected)
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def test_adjustments_linked_to_log(self):
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adj = PayrollAdjustment.objects.create(
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worker=self.worker_a,
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project=self.project,
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type='Overtime',
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amount=Decimal('50.00'),
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date=datetime.date(2026, 4, 10),
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description='Extra hour',
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work_log=self.log,
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)
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ctx = _build_work_log_payroll_context(self.log)
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self.assertIn(adj, ctx['adjustments'])
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def test_pay_period_absent_if_no_schedule(self):
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ctx = _build_work_log_payroll_context(self.log)
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self.assertEqual(ctx['pay_period'], (None, None))
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def test_pay_period_present_when_schedule_configured(self):
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self.team.pay_frequency = 'weekly'
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self.team.pay_start_date = datetime.date(2026, 1, 5) # A Monday
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self.team.save()
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ctx = _build_work_log_payroll_context(self.log)
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start, end = ctx['pay_period']
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self.assertIsNotNone(start)
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self.assertIsNotNone(end)
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self.assertLessEqual(start, self.log.date)
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self.assertGreaterEqual(end, self.log.date)
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def test_overtime_needs_pricing_flag(self):
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"""Flag fires when log has OT hours but no priced_workers yet."""
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# Start: no OT, no priced workers -> flag False
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self.assertFalse(_build_work_log_payroll_context(self.log)['overtime_needs_pricing'])
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# Add OT hours but keep priced_workers empty -> flag True
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self.log.overtime_amount = Decimal('0.50')
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self.log.priced_workers.clear()
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self.log.save()
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self.assertTrue(_build_work_log_payroll_context(self.log)['overtime_needs_pricing'])
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# Price the OT -> flag False again
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self.log.priced_workers.add(self.worker_a)
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self.assertFalse(_build_work_log_payroll_context(self.log)['overtime_needs_pricing'])
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def test_query_count_is_bounded(self):
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"""Helper should not issue per-worker queries — guards against N+1."""
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# 4 queries: payroll_records, priced_workers, workers.all, adjustments
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# (plus whichever assertNumQueries overhead Django's test client adds).
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# We assert a tight upper bound; regressions that add per-worker queries
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# will push this well above the bound and fail the test.
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with self.assertNumQueries(4):
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_build_work_log_payroll_context(self.log)
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def test_empty_log_returns_zero_totals(self):
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"""Log with no workers: helper returns empty rows and zero totals."""
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empty_log = WorkLog.objects.create(
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date=datetime.date(2026, 4, 11),
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project=self.project,
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team=self.team,
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supervisor=self.admin,
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)
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ctx = _build_work_log_payroll_context(empty_log)
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self.assertEqual(ctx['worker_rows'], [])
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self.assertEqual(ctx['total_earned'], Decimal('0.00'))
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self.assertEqual(ctx['total_paid'], Decimal('0.00'))
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self.assertEqual(ctx['total_outstanding'], Decimal('0.00'))
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self.assertEqual(ctx['adjustments'], [])
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def test_log_without_team_has_no_pay_period(self):
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"""Log whose team was later soft-deleted to NULL still works."""
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self.log.team = None
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self.log.save()
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ctx = _build_work_log_payroll_context(self.log)
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self.assertEqual(ctx['pay_period'], (None, None))
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# The rest of the context should still populate correctly.
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self.assertEqual(len(ctx['worker_rows']), 3)
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