@Override
public Amount dividedBy(Amount o, RemainderHandler remainderHandler) {
int scale = Math.max(o.asBigDecimal().scale(), mc.getPrecision());
return new DecimalAmount(
bd.divide(o.asBigDecimal(), remainderHandler.getRoundingMode())
.setScale(scale, remainderHandler.getRoundingMode()));
}
/** Test of getValue method, of class Amount. */
@Test
public void testGetValue() {
System.out.println("getValue");
Amount instance = new Amount(0);
double expResult = 0.0;
double result = instance.getValue();
assertEquals(expResult, result, 0.0);
}
/** Test of compareTo method, of class Amount. */
@Test
public void testCompareTo() {
System.out.println("compareTo");
Object o = new Amount(10);
Amount instance = new Amount(10);
int expResult = 0;
int result = instance.compareTo(o);
assertEquals(expResult, result);
}
/** Test of add method, of class Amount. */
@Test
public void testAdd() {
System.out.println("add");
Amount amount = new Amount(10);
Amount instance = new Amount(11);
Amount expResult = new Amount(21);
Amount result = instance.add(amount);
assertEquals(expResult, result);
}
@Test
public void amountConstantIsConsistentWithNemesisBlock() {
// Act:
Amount totalAmount = Amount.ZERO;
final Block block = this.loadNemesisBlock();
for (final Transaction transaction : block.getTransactions()) {
if (transaction instanceof TransferTransaction) {
totalAmount = totalAmount.add(((TransferTransaction) transaction).getAmount());
}
}
// Assert:
Assert.assertThat(totalAmount, IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAmount()));
}
@Override
public int compareTo(@SuppressWarnings("NullableProblems") Amount o) {
if (o instanceof DecimalAmount) {
DecimalAmount decimalAmount = (DecimalAmount) o;
return bd.compareTo(decimalAmount.bd);
}
return bd.compareTo(o.asBigDecimal());
}
@RunWith(JMock.class)
public class FormatTransactionAsCsvRowTest {
private final Mockery mockery = new Mockery();
private final CsvFormat<LocalDate> dateFormat = mockery.mock(CsvFormat.class, "date format");
private final CsvFormat<Category> categoryFormat =
mockery.mock(CsvFormat.class, "category format");
private final CsvFormat<Amount> amountFormat = mockery.mock(CsvFormat.class, "amount format");
private final TransactionCsvFormat transactionCsvFormat =
new TransactionCsvFormat(dateFormat, categoryFormat, amountFormat);
private LocalDate anyNonNullDate = new LocalDate(2012, 11, 14);
private Category anyNonNullCategory = new Category("Bowling Winnings");
private Amount anyNonNullAmount = Amount.cents(250);
@Test
public void happyPath() throws Exception {
mockery.checking(
new Expectations() {
{
allowing(dateFormat).format(with(any(LocalDate.class)));
will(returnValue("::the date::"));
allowing(categoryFormat).format(with(any(Category.class)));
will(returnValue("::the category::"));
allowing(amountFormat).format(with(any(Amount.class)));
will(returnValue("::the amount::"));
}
});
final Transaction transaction =
new Transaction(anyNonNullDate, anyNonNullCategory, anyNonNullAmount);
final String rowText = transactionCsvFormat.format(transaction);
assertThat(
rowText,
matches(
Pattern.compile(
"\\s*\"::the date::\","
+ "\\s*\"::the category::\","
+ "\\s*\"::the amount::\"\\s*")));
}
@Test
public void nullTransaction() throws Exception {
try {
transactionCsvFormat.format(null);
fail("How did you format a null transaction?!");
} catch (ProgrammerMistake success) {
}
}
}
@Test
public void nemesisBlockCanBeCreated() {
// Act:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(
block.getSigner().getAddress(), IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress()));
Assert.assertThat(block.getType(), IsEqual.equalTo(-1));
Assert.assertThat(block.getVersion(), IsEqual.equalTo(EXPECTED_VERSION));
Assert.assertThat(block.getTimeStamp(), IsEqual.equalTo(TimeInstant.ZERO));
// 2 multisig aggregate transactions
Assert.assertThat(
block.getTotalFee(), IsEqual.equalTo(EXPECTED_MULTISIG_AGGREGATE_FEE.multiply(2)));
Assert.assertThat(block.getPreviousBlockHash(), IsEqual.equalTo(Hash.ZERO));
Assert.assertThat(block.getHeight(), IsEqual.equalTo(BlockHeight.ONE));
Assert.assertThat(block.getTransactions().size(), IsEqual.equalTo(NUM_NEMESIS_TRANSACTIONS));
Assert.assertThat(block.getDifficulty(), IsEqual.equalTo(BlockDifficulty.INITIAL_DIFFICULTY));
Assert.assertThat(block.getGenerationHash(), IsNull.notNullValue());
}
@Override
public Amount times(Amount o, RemainderHandler remainderHandler) {
return new DecimalAmount(bd.multiply(o.asBigDecimal()));
}
@Override
public Amount minus(Amount o) {
return new DecimalAmount(bd.subtract(o.asBigDecimal()));
}
@Override
public Amount plus(Amount o) {
return new DecimalAmount(bd.add(o.asBigDecimal()));
}
public static DecimalAmount of(Amount amount) {
return new DecimalAmount(amount.asBigDecimal());
}
@RunWith(Enclosed.class)
public class NemesisBlockMainnetTest {
private static final NetworkInfo NETWORK_INFO = NetworkInfos.getMainNetworkInfo();
private static final NemesisBlockInfo NEMESIS_BLOCK_INFO = NETWORK_INFO.getNemesisBlockInfo();
// users, devs, marketing, contributors + funds (transfer + multisig)
private static final int NUM_NEMESIS_TRANSFER_TRANSACTIONS = 1307 + 21 + 5 + 8 + 6;
private static final int NUM_NEMESIS_TRANSACTIONS = NUM_NEMESIS_TRANSFER_TRANSACTIONS + 6;
private static final Amount EXPECTED_MULTISIG_AGGREGATE_FEE =
Amount.fromNem(2 * (5 + 3 * 4) + 2 * (5 + 3 * 5) + 2 * (5 + 3 * 6));
private static final int EXPECTED_VERSION = 0x68000001;
@BeforeClass
public static void initNetwork() {
NetworkInfos.setDefault(NETWORK_INFO);
}
@AfterClass
public static void resetNetwork() {
NetworkInfos.setDefault(null);
}
private abstract static class AbstractNemesisBlockTest {
// basic
@Test
public void nemesisBlockCanBeCreated() {
// Act:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(
block.getSigner().getAddress(), IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress()));
Assert.assertThat(block.getType(), IsEqual.equalTo(-1));
Assert.assertThat(block.getVersion(), IsEqual.equalTo(EXPECTED_VERSION));
Assert.assertThat(block.getTimeStamp(), IsEqual.equalTo(TimeInstant.ZERO));
// 2 multisig aggregate transactions
Assert.assertThat(
block.getTotalFee(), IsEqual.equalTo(EXPECTED_MULTISIG_AGGREGATE_FEE.multiply(2)));
Assert.assertThat(block.getPreviousBlockHash(), IsEqual.equalTo(Hash.ZERO));
Assert.assertThat(block.getHeight(), IsEqual.equalTo(BlockHeight.ONE));
Assert.assertThat(block.getTransactions().size(), IsEqual.equalTo(NUM_NEMESIS_TRANSACTIONS));
Assert.assertThat(block.getDifficulty(), IsEqual.equalTo(BlockDifficulty.INITIAL_DIFFICULTY));
Assert.assertThat(block.getGenerationHash(), IsNull.notNullValue());
}
@Test
public void nemesisBlockIsVerifiable() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(block.verify(), IsEqual.equalTo(true));
}
@Test
public void nemesisTransactionsAreVerifiable() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
for (final Transaction transaction : block.getTransactions()) {
Assert.assertThat(transaction.verify(), IsEqual.equalTo(true));
}
}
@Test
public void nemesisTransactionsHaveCorrectFees() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
for (final Transaction transaction : block.getTransactions()) {
final Amount expectedFee =
TransactionTypes.TRANSFER == transaction.getType()
? Amount.ZERO
: NemGlobals.getTransactionFeeCalculator().calculateMinimumFee(transaction);
Assert.assertThat(transaction.getFee(), IsEqual.equalTo(expectedFee));
}
}
@Test
public void nemesisAddressesAreValid() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Act:
final Set<Address> allAddresses =
block
.getTransactions()
.stream()
.flatMap(t -> t.getAccounts().stream().map(Account::getAddress))
.collect(Collectors.toSet());
// Assert:
for (final Address address : allAddresses) {
Assert.assertThat(address.toString(), address.isValid(), IsEqual.equalTo(true));
}
}
@Test
public void nemesisTransactionSignersHavePublicKeys() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Act:
final Set<Address> signerAddresses =
block
.getTransactions()
.stream()
.map(t -> t.getSigner().getAddress())
.collect(Collectors.toSet());
// Assert:
for (final Address address : signerAddresses) {
Assert.assertThat(address.getPublicKey(), IsNull.notNullValue());
}
}
// endregion
// region constants
@Test
public void amountConstantIsConsistentWithNemesisBlock() {
// Act:
Amount totalAmount = Amount.ZERO;
final Block block = this.loadNemesisBlock();
for (final Transaction transaction : block.getTransactions()) {
if (transaction instanceof TransferTransaction) {
totalAmount = totalAmount.add(((TransferTransaction) transaction).getAmount());
}
}
// Assert:
Assert.assertThat(totalAmount, IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAmount()));
}
@Test
public void addressConstantIsConsistentWithNemesisBlock() {
// Arrange:
final Block block = this.loadNemesisBlock();
final Address blockAddress = block.getSigner().getAddress();
// Assert:
Assert.assertThat(blockAddress, IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress()));
Assert.assertThat(
blockAddress.getPublicKey(),
IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress().getPublicKey()));
Assert.assertThat(blockAddress.getPublicKey(), IsNull.notNullValue());
}
@Test
public void generationHashConstantIsConsistentWithNemesisBlock() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(
block.getGenerationHash(), IsEqual.equalTo(NEMESIS_BLOCK_INFO.getGenerationHash()));
}
// endregion
protected abstract Block loadNemesisBlock(final MockAccountLookup accountLookup);
protected Block loadNemesisBlock() {
return this.loadNemesisBlock(new MockAccountLookup());
}
}
// region basic
public static class ResourceNemesisBlockTest extends AbstractNemesisBlockTest {
@Override
protected Block loadNemesisBlock(final MockAccountLookup accountLookup) {
return NemesisBlock.fromResource(
NEMESIS_BLOCK_INFO, new DeserializationContext(accountLookup));
}
}
public static class BinaryNemesisBlockTest extends AbstractNemesisBlockTest {
@Test
public void nemesisBlockCannotBeLoadedFromBlobWithIncorrectType() {
// Arrange (set type to 1):
final byte[] buffer = loadNemesisBlockBlobObject();
buffer[0] = 1;
buffer[1] = 0;
buffer[2] = 0;
buffer[3] = 0;
// Act:
ExceptionAssert.assertThrows(
v ->
NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO, buffer, new DeserializationContext(new MockAccountLookup())),
IllegalArgumentException.class);
}
@Test
public void nemesisBlockCannotBeLoadedFromInvalidBlob() {
// Arrange:
final byte[] buffer = loadNemesisBlockBlobObject();
final byte[] badBuffer1 =
ByteBuffer.allocate(3 + buffer.length).put("bad".getBytes()).put(buffer).array();
final byte[] badBuffer2 =
ByteBuffer.allocate(3 + buffer.length)
.put(Arrays.copyOfRange(buffer, 0, 100))
.put("bad".getBytes())
.put(Arrays.copyOfRange(buffer, 100, buffer.length))
.array();
// Act:
ExceptionAssert.assertThrows(
v ->
NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO,
badBuffer1,
new DeserializationContext(new MockAccountLookup())),
IllegalArgumentException.class);
ExceptionAssert.assertThrows(
v ->
NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO,
badBuffer2,
new DeserializationContext(new MockAccountLookup())),
SerializationException.class);
}
@Override
protected Block loadNemesisBlock(final MockAccountLookup accountLookup) {
final byte[] blob = loadNemesisBlockBlobObject();
return NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO, blob, new DeserializationContext(accountLookup));
}
private static byte[] loadNemesisBlockBlobObject() {
try (final InputStream fin =
NemesisBlock.class
.getClassLoader()
.getResourceAsStream(NEMESIS_BLOCK_INFO.getDataFileName())) {
return IOUtils.toByteArray(fin);
} catch (final IOException e) {
throw new IllegalStateException(
"unexpected exception was thrown when parsing nemesis block resource");
}
}
}
}
