@Test
public void toStringReturnsCorrectRepresentationWhenStatusCodeIsUnknown() {
// Assert:
Assert.assertThat(
"Http Status Code -123: badness",
IsEqual.equalTo(new ErrorResponse(new TimeInstant(4), "badness", -123).toString()));
Assert.assertThat(
"Http Status Code -123",
IsEqual.equalTo(new ErrorResponse(new TimeInstant(4), null, -123).toString()));
}
@Test
public void canBeCreatedAroundMessage() {
// Arrange:
final ErrorResponse response = new ErrorResponse(new TimeInstant(29), "badness", 500);
// Assert:
Assert.assertThat(response.getTimeStamp(), IsEqual.equalTo(new TimeInstant(29)));
Assert.assertThat(response.getError(), IsEqual.equalTo("Internal Server Error"));
Assert.assertThat(response.getMessage(), IsEqual.equalTo("badness"));
Assert.assertThat(response.getStatus(), IsEqual.equalTo(500));
}
@Test
public void responseCanBeRoundTripped() {
// Act:
final ErrorResponse response =
createRoundTrippedResponse(new ErrorResponse(new TimeInstant(18), "badness", 500));
// Assert:
Assert.assertThat(response.getTimeStamp(), IsEqual.equalTo(new TimeInstant(18)));
Assert.assertThat(response.getError(), IsEqual.equalTo("Internal Server Error"));
Assert.assertThat(response.getMessage(), IsEqual.equalTo("badness"));
Assert.assertThat(response.getStatus(), IsEqual.equalTo(500));
}
@Test
public void responseWithoutDescriptionsCanBeRoundTripped() {
// Act:
final ErrorResponse response =
createRoundTrippedResponse(new ErrorResponse(new TimeInstant(54), null, 890));
// Assert:
Assert.assertThat(response.getTimeStamp(), IsEqual.equalTo(new TimeInstant(54)));
Assert.assertThat(response.getError(), IsNull.nullValue());
Assert.assertThat(response.getMessage(), IsNull.nullValue());
Assert.assertThat(response.getStatus(), IsEqual.equalTo(890));
}
@Test
public void canBeCreatedAroundUnknownHttpStatus() {
// Arrange:
final ErrorResponse response =
new ErrorResponse(new TimeInstant(18), "exception message", -123);
// Assert:
Assert.assertThat(response.getTimeStamp(), IsEqual.equalTo(new TimeInstant(18)));
Assert.assertThat(response.getError(), IsNull.nullValue());
Assert.assertThat(response.getMessage(), IsEqual.equalTo("exception message"));
Assert.assertThat(response.getStatus(), IsEqual.equalTo(-123));
}
@Test
public void canBeCreatedAroundException() {
// Arrange:
final ErrorResponse response =
new ErrorResponse(
new TimeInstant(18), new RuntimeException("exception message"), HttpStatus.NOT_FOUND);
// Assert:
Assert.assertThat(response.getTimeStamp(), IsEqual.equalTo(new TimeInstant(18)));
Assert.assertThat(response.getError(), IsEqual.equalTo("Not Found"));
Assert.assertThat(response.getMessage(), IsEqual.equalTo("exception message"));
Assert.assertThat(response.getStatus(), IsEqual.equalTo(404));
}
@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 deleteDeletesUnderlyingStorableEntityFile() throws IOException {
// Arrange:
final File file = new File(TEST_FILE_DIRECTORY, "to-be-deleted.bar");
final TEntityFileDescriptor descriptor = this.createDescriptor(file);
Assert.assertThat(file.createNewFile(), IsEqual.equalTo(true));
// Act:
descriptor.delete();
// Assert:
Assert.assertThat(file.exists(), IsEqual.equalTo(false));
}
@Test
public void hashCodesAreEqualForEquivalentObjects() {
// Arrange:
final GroupElement g1 = MathUtils.getRandomGroupElement();
final GroupElement g2 = MathUtils.toRepresentation(g1, GroupElement.Representation.P2);
final GroupElement g3 = MathUtils.toRepresentation(g1, GroupElement.Representation.P1P1);
final GroupElement g4 = MathUtils.getRandomGroupElement();
// Assert
Assert.assertThat(g2.hashCode(), IsEqual.equalTo(g1.hashCode()));
Assert.assertThat(g3.hashCode(), IsEqual.equalTo(g1.hashCode()));
Assert.assertThat(g1.hashCode(), IsNot.not(IsEqual.equalTo(g4.hashCode())));
Assert.assertThat(g2.hashCode(), IsNot.not(IsEqual.equalTo(g4.hashCode())));
Assert.assertThat(g3.hashCode(), IsNot.not(IsEqual.equalTo(g4.hashCode())));
}
@Test
public void canChangeWalletNameAndPasswordIfWalletIsAlreadyOpen() {
// Arrange:
final WalletNamePasswordPair pair2 = createPair("n2", "p2");
final WalletDescriptor descriptor2 = createDescriptor("n2");
final TestContext context = new TestContext();
Mockito.when(context.descriptorFactory.createNew(pair2, FILE_EXTENSION))
.thenReturn(descriptor2);
// Act:
context.walletServices.open(context.pair);
context.walletServices.move(context.pair, pair2);
// Assert:
// - the original is opened and the target is created
Mockito.verify(context.descriptorFactory, Mockito.times(2))
.openExisting(context.pair, FILE_EXTENSION);
Mockito.verify(context.descriptorFactory, Mockito.times(1)).createNew(pair2, FILE_EXTENSION);
// - the original is loaded
Mockito.verify(context.repository, Mockito.times(2)).load(context.descriptor);
// - the target is saved
final Wallet updatedWallet = context.walletServices.get(new WalletName("n2"));
Assert.assertThat(updatedWallet.getName(), IsEqual.equalTo(new WalletName("n2")));
// TODO BR: Fix this
// Mockito.verify(context.repository, Mockito.times(1)).save(descriptor2, updatedWallet);
Mockito.verify(context.repository, Mockito.times(1)).save(Mockito.any(), Mockito.any());
// - the original wallet is deleted
Mockito.verify(context.descriptor, Mockito.times(1)).delete();
}
@Test
public void copyToCopiesBytesToGivenOutputStream() {
// Arrange:
final TestContext context = new TestContext();
final WalletNamePasswordPair pair = createPair("n", "p");
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
Mockito.when(context.descriptor.openRead(StorableEntityReadMode.Raw))
.thenReturn(new ByteArrayInputStream("test".getBytes()));
// Act:
context.walletServices.copyTo(pair, outputStream);
// Assert:
Assert.assertThat(outputStream.size(), IsEqual.equalTo(4));
Assert.assertThat(outputStream.toString(), IsEqual.equalTo("test"));
}
@Test
public void responseCanBeSerialized() {
// Arrange:
final JsonSerializer serializer = new JsonSerializer();
final ErrorResponse response = new ErrorResponse(new TimeInstant(18), "badness", 500);
// Act:
response.serialize(serializer);
final JSONObject jsonObject = serializer.getObject();
// Assert:
Assert.assertThat(jsonObject.get("timeStamp"), IsEqual.equalTo(18));
Assert.assertThat(jsonObject.get("error"), IsEqual.equalTo("Internal Server Error"));
Assert.assertThat(jsonObject.get("message"), IsEqual.equalTo("badness"));
Assert.assertThat(jsonObject.get("status"), IsEqual.equalTo(500));
}
@Test
public void descriptorCanBeSerialized() {
// Arrange:
final File file =
new File(Paths.get(TEST_FILE_DIRECTORY.toString(), "blah").toString(), "foo.bar");
final TEntityFileDescriptor descriptor = this.createDescriptor(file);
// Act:
final JSONObject jsonObject = JsonSerializer.serializeToJson(descriptor);
// Assert:
Assert.assertThat(jsonObject.size(), IsEqual.equalTo(2));
Assert.assertThat(jsonObject.get(descriptor.getName().getLabel()), IsEqual.equalTo("foo"));
Assert.assertThat(
jsonObject.get("location"),
IsEqual.equalTo(Paths.get(TEST_FILE_DIRECTORY.toString(), "blah", "foo.bar").toString()));
}
@Test
public void descriptorCanBeCreatedAroundStorableEntityWithMixedCaseExtension() {
// Arrange:
final File file =
new File(Paths.get(TEST_FILE_DIRECTORY.toString(), "BlAh").toString(), "FoO.BaR");
// Act:
final TEntityFileDescriptor descriptor = this.createDescriptor(file);
// Assert:
Assert.assertThat(descriptor.getName(), IsEqual.equalTo(this.createEntityName("FoO")));
Assert.assertThat(
descriptor.getFileExtension(), IsEqual.equalTo(this.createEntityFileExtension(".BaR")));
Assert.assertThat(
descriptor.getStorableEntityLocation(),
IsEqual.equalTo(Paths.get(TEST_FILE_DIRECTORY.toString(), "BlAh", "FoO.BaR").toString()));
}
@Test
public void nemesisBlockIsVerifiable() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(block.verify(), IsEqual.equalTo(true));
}
@Test
public void generationHashConstantIsConsistentWithNemesisBlock() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(
block.getGenerationHash(), IsEqual.equalTo(NEMESIS_BLOCK_INFO.getGenerationHash()));
}
@Test
public void isOnCurveReturnsTrueForPointsOnTheCurve() {
for (int i = 0; i < 100; i++) {
// Arrange:
final GroupElement g = MathUtils.getRandomGroupElement();
// Assert:
Assert.assertThat(g.isOnCurve(), 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 scalarMultiplyBasePointWithZeroReturnsNeutralElement() {
// Arrange:
final GroupElement basePoint = ed25519.getB();
// Act:
final GroupElement g = basePoint.scalarMultiply(curve.getField().ZERO.toByteArray());
// Assert:
Assert.assertThat(curve.getZero(GroupElement.Representation.P3), IsEqual.equalTo(g));
}
@Test
public void scalarMultiplyBasePointWithOneReturnsBasePoint() {
// Arrange:
final GroupElement basePoint = ed25519.getB();
// Act:
final GroupElement g = basePoint.scalarMultiply(curve.getField().ONE.toByteArray());
// Assert:
Assert.assertThat(basePoint, IsEqual.equalTo(g));
}
@Test
public void descriptorCanBeCreatedAroundUrlEncodedStorableEntityWithValidExtension() {
// Arrange:
final File file =
new File(
Paths.get(TEST_FILE_DIRECTORY.toString(), "blah").toString(),
"%C3%B6%C3%A4%C3%BC%40.bar");
// Act:
final TEntityFileDescriptor descriptor = this.createDescriptor(file);
// Assert:
Assert.assertThat(descriptor.getName(), IsEqual.equalTo(this.createEntityName("öäü@")));
Assert.assertThat(
descriptor.getFileExtension(), IsEqual.equalTo(this.createEntityFileExtension(".bar")));
Assert.assertThat(
descriptor.getStorableEntityLocation(),
IsEqual.equalTo(
Paths.get(TEST_FILE_DIRECTORY.toString(), "blah", "%C3%B6%C3%A4%C3%BC%40.bar")
.toString()));
}
@Test
public void isOnCurveReturnsFalseForPointsNotOnTheCurve() {
for (int i = 0; i < 100; i++) {
// Arrange:
final GroupElement g = MathUtils.getRandomGroupElement();
final GroupElement h =
GroupElement.p2(curve, g.getX(), g.getY(), g.getZ().multiply(curve.getField().TWO));
// Assert (can only fail for 5*Z^2=1):
Assert.assertThat(h.isOnCurve(), IsEqual.equalTo(false));
}
}
@Test
public void getCanReturnOpenWallet() {
// Arrange:
final TestContext context = new TestContext();
// Act:
final Wallet wallet1 = context.walletServices.open(context.pair);
final Wallet wallet2 = context.walletServices.get(context.pair.getName());
// Assert:
Assert.assertThat(wallet2, IsEqual.equalTo(wallet1));
}
@Test
public void addingNeutralGroupElementDoesNotChangeGroupElement() {
final GroupElement neutral =
GroupElement.p3(
curve,
curve.getField().ZERO,
curve.getField().ONE,
curve.getField().ONE,
curve.getField().ZERO);
for (int i = 0; i < 1000; i++) {
// Arrange:
final GroupElement g = MathUtils.getRandomGroupElement();
// Act:
final GroupElement h1 = g.add(neutral.toCached());
final GroupElement h2 = neutral.add(g.toCached());
// Assert:
Assert.assertThat(g, IsEqual.equalTo(h1));
Assert.assertThat(g, IsEqual.equalTo(h2));
}
}
@Test
public void getStorableEntityLocationReturnsAbsolutePathToStorableEntity() {
// Arrange:
final File file =
new File(Paths.get(TEST_FILE_DIRECTORY.toString(), "blah").toString(), "foo.bar");
final TEntityFileDescriptor descriptor = this.createDescriptor(file);
// Act:
final String path = descriptor.getStorableEntityLocation();
// Assert:
Assert.assertThat(path, IsEqual.equalTo(file.getAbsolutePath()));
}
@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 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 dblPrecomputedTableContainsExpectedGroupElements() {
// Arrange:
GroupElement g = ed25519.getB();
GroupElement h = MathUtils.addGroupElements(g, g);
// Act + Assert:
for (int i = 0; i < 8; i++) {
Assert.assertThat(
MathUtils.toRepresentation(g, GroupElement.Representation.PRECOMP),
IsEqual.equalTo(ed25519.getB().dblPrecmp[i]));
g = MathUtils.addGroupElements(g, h);
}
}
@Test
public void dblReturnsExpectedResult() {
for (int i = 0; i < 1000; i++) {
// Arrange:
final GroupElement g = MathUtils.getRandomGroupElement();
// Act:
final GroupElement h1 = g.dbl();
final GroupElement h2 = MathUtils.doubleGroupElement(g);
// Assert:
Assert.assertThat(h2, IsEqual.equalTo(h1));
}
}
// This test is slow (~6s) due to math utils using an inferior algorithm to calculate the result.
@Test
public void scalarMultiplyBasePointReturnsExpectedResult() {
for (int i = 0; i < 100; i++) {
// Arrange:
final GroupElement basePoint = ed25519.getB();
final FieldElement f = MathUtils.getRandomFieldElement();
// Act:
final GroupElement g = basePoint.scalarMultiply(f.toByteArray());
final GroupElement h = MathUtils.scalarMultiplyGroupElement(basePoint, f);
// Assert:
Assert.assertThat(g, IsEqual.equalTo(h));
}
}