htrajan

@Inject BinarySearchSolver solver;

...

Function<Double, Affordability> affordabilityFn ...; // our mapping function that takes a number and returns an affordability

Function<Affordability, Boolean> manageableTargetTest = affordability -> affordability.getOrdinal() <= MANAGEABLE.getOrdinal();

double maxManageablePrice = solver.solveForMaxValuePassingTargetTest(
	lowerBound,

htrajan

{
 “affordability”: “MANAGEABLE”, 
 “mortgageAffordability”: “MEDIUM”,
 “dtiRatio”: 0.32,
 “desiredDtiRatio”: 0.29,
 “downPaymentRatio”: 0.2,
 “desiredDownPaymentRatio”: 0.15,
 “retirementImpact”: “NONE”,
 “mortgageWillForeclose”: false
}

htrajan

Map<Account, Double> getSavingsRecommendations(
	double savingsToAllocate,
	Collection<Account> accounts,
	Collection<Goal> goals);

htrajan

public class AccountSavingsRecommender {

	@Inject RetirementGoalSavingsAllocator retirementAllocator;

	@VisibleForTesting
	Map<Goal, Double> computePvByGoal(Collection<Goal> goals) {...}

	……

	@VisibleForTesting

htrajan

public class AccountSavingsRecommenderTest {

	private final Mockery mockery = new Mockery();
	private final RetirementGoalSavingsAllocator retirementAllocator = mockery.mock(RetirementGoalSavingsAllocator.class);

	@Test
	public void computePvByGoal_retirement() {
		Account retirementAccount = TestAccountFactory.exampleRetirementAccount();
		mockery.checking(new Expectations() {{
			oneOf(retirementAllocator).getAccountForPvCalculation();

htrajan

public class AccountSavingsRecommenderIntegrationTest {

	private static final LocalDate today = new LocalDate(2018, 6, 25);	

	private AccountSavingsRecommender getRecommender() {
 		AccountSavingsRecommender recommender = new AccountSavingsRecommender();

		RetirementGoalSavingsAllocator retirementAllocator = new RetirementGoalSavingsAllocator();
		retirementAllocator.today = today;
		RetirementAccountSelector accountSelector = new RetirementAccountSelector();

htrajan

Account realisticRetirementAccount = RetirementAccount.builder()
	.withInvestedBalance(34_332.67)
	.withCashBalance(2_190.95)
	.withType(Type.R_401_K)
	.withExpectedAccountReturn(0.057)
	.build();

htrajan

{
  "banner": {"institutions": ["CHASE"], "text": "Linking in progress", "button": "Link more"},
  "hub": [{"institution": "CHASE", "title": "Linking in progress", "subtitle": "This usually takes about 1 minute for Chase."}]
}

htrajan

{
  "actionType": "ACTION",
  "title": "Check your credentials",
  "subtitle": "Looks like an incorrect username or password for Vanguard.",
  "cta": "Try again"
}