CTM Calculators: Add PS billing milestones, Adjust Genesys RAMP

studies/202512_GenesysCX/ctm-token-calculator/tests/test_migration_wfm.py

@@ -41,20 +41,46 @@ def test_runrate_saving_annual():
     assert mw.runrate_saving_annual(regions=["NA"]) == pytest.approx(3_000_000)
     assert mw.runrate_saving_annual(licence_annual=4_800_000,
                                     regions=[]) == pytest.approx(2_500_000)
+    # Contracted frame: managed services stay in the run-rate forever.
+    assert mw.runrate_saving_annual(
+        a4.tco("ccaas_annual"), managed_annual=a4.MANAGED_SERVICES_ANNUAL
+    ) == pytest.approx(6_589_081.60)
+
+
+def _default_wfm_benefits_by_year():
+    ben = mw.wfm_benefits_by_year(_default_benefit_rollout())
+    return {y: float(ben.loc[ben.year == y, "benefit"].sum()) for y in a4.YEARS}
 
 
 def test_breakeven_extrapolates_past_window():
+    # Deck frame: deck licence rate (6-month ramp), verbatim PS lump,
+    # no managed services.
     cs = a4.current_state_inputs(SITES)
     cur = a4.current_costs_by_year(cs)
     lic = a4.licence_costs_by_year()
     ps = a4.ps_costs_by_year()
     total = {y: cur[y] + lic[y] + ps[y] for y in a4.YEARS}
-    ben = mw.wfm_benefits_by_year(_default_benefit_rollout())
-    ben_y = {y: float(ben.loc[ben.year == y, "benefit"].sum()) for y in a4.YEARS}
-    inc, net = a4.case_flows(total, ben_y)
-    assert sum(net.values()) == pytest.approx(-1_553_000, abs=1_000)
+    inc, net = a4.case_flows(total, _default_wfm_benefits_by_year())
+    assert sum(net.values()) == pytest.approx(-3_703_000, abs=1_000)
     label = mw.runrate_breakeven_label(net, mw.runrate_saving_annual())
-    assert label == "40 months (~Apr 2029, extrapolated)"
+    assert label == "44 months (~Aug 2029, extrapolated)"
+
+
+def test_contracted_frame_with_sow_and_managed_services():
+    # Contracted frame: signed licence rate, SOW PS milestones, managed
+    # services from MCX go-live — the case the notebook leads with.
+    cs = a4.current_state_inputs(SITES)
+    cur = a4.current_costs_by_year(cs)
+    lic = a4.licence_costs_by_year(annual=a4.tco("ccaas_annual"))
+    ps = a4.ps_costs_by_year(contracted=True)
+    man = a4.managed_services_by_year()
+    total = {y: cur[y] + lic[y] + ps[y] + man[y] for y in a4.YEARS}
+    inc, net = a4.case_flows(total, _default_wfm_benefits_by_year())
+    assert sum(net.values()) == pytest.approx(-1_503_013, abs=1_000)
+    runrate = mw.runrate_saving_annual(
+        a4.tco("ccaas_annual"), managed_annual=a4.MANAGED_SERVICES_ANNUAL)
+    label = mw.runrate_breakeven_label(net, runrate)
+    assert label == "39 months (~Mar 2029, extrapolated)"
 
 
 def test_breakeven_defers_in_window_and_guards_zero_runrate():