/**
* Tests that executing a function that returns a success result returns the underlying result
* without wrapping it.
*/
public void executeSuccessResultValue() {
SupplierFunction<Result<String>> fn = SupplierFunction.of(() -> Result.success("foo"));
CalculationTask task = new CalculationTask(TARGET, 0, 0, fn, MAPPINGS, REPORTING_RULES);
CalculationEnvironment marketData =
CalculationEnvironment.builder().valuationDate(date(2011, 3, 8)).build();
CalculationResult calculationResult = task.execute(marketData);
Result<?> result = calculationResult.getResult();
assertThat(result).hasValue("foo");
}
/**
* Tests that executing a function that returns a failure result returns the underlying result
* without wrapping it.
*/
public void executeFailureResultValue() {
SupplierFunction<Result<String>> fn =
SupplierFunction.of(() -> Result.failure(FailureReason.NOT_APPLICABLE, "bar"));
CalculationTask task = new CalculationTask(TARGET, 0, 0, fn, MAPPINGS, REPORTING_RULES);
CalculationEnvironment marketData =
CalculationEnvironment.builder().valuationDate(date(2011, 3, 8)).build();
CalculationResult calculationResult = task.execute(marketData);
Result<?> result = calculationResult.getResult();
assertThat(result).isFailure(FailureReason.NOT_APPLICABLE).hasFailureMessageMatching("bar");
}
/**
* Tests that executing a function that throws an exception wraps the exception in a failure
* result.
*/
public void executeException() {
SupplierFunction<String> fn =
SupplierFunction.of(
() -> {
throw new IllegalArgumentException("foo");
});
CalculationTask task = new CalculationTask(TARGET, 0, 0, fn, MAPPINGS, REPORTING_RULES);
CalculationEnvironment marketData =
CalculationEnvironment.builder().valuationDate(date(2011, 3, 8)).build();
CalculationResult calculationResult = task.execute(marketData);
Result<?> result = calculationResult.getResult();
assertThat(result).isFailure(FailureReason.ERROR).hasFailureMessageMatching("foo");
}
