public void apply(Project project) {
                    project.getTasks().register("someTask", SomeTask.class, t -> {
                        t.getFlag().set(true);
                        t.getMessage().set("some value");
                        t.getNumber().set(1.23);
                        t.getList().set(Arrays.asList(1, 2));
                        t.getSet().set(Arrays.asList(1, 2));

  }

  public Set<Feature<?>> getConflicts() {
    return conflicts;
  }

  public Object getSource() {
    return source;
  }

  @Override
  public String getMessage() {
    return super.getMessage() + " (source: " + source + ")";
  }

  private static final long serialVersionUID = 0;

        this.message = message;
        this.description = description;
        this.cause = cause;
    }

    @Override
    public String getMessage() {
        return message;
    }

    @Override
    public String getDescription() {
        return description;
    }

    @Override
    public List<? extends InternalFailure> getCauses() {

        then:
        def ex = thrown(IllegalStateException)
        1 * context.getProjectPath() >> Path.path('foo')
        ex.getMessage().contains('Dependency locking cannot be used for project')
        ex.getMessage().contains('foo')
    }

    def 'fails to read a legacy lockfile if root could not be determined'() {
        FileResolver resolver = Mock()

                    .add(
                            BuilderProblem.Severity.ERROR,
                            ModelProblem.Version.BASE,
                            "Invalid plugin repository: " + e.getMessage(),
                            e);
        }
        project.setPluginArtifactRepositories(pluginRepositories);

        if (event.request().isProcessPlugins()) {
            try {

    public void failsWhenArchiveFileDoesNotExist() {
        try {
            getTree().visit(new EmptyFileVisitor());
            fail();
        } catch (InvalidUserDataException e) {
            assertThat(e.getMessage(), equalTo("Cannot expand ZIP '" + archiveFile + "' as it does not exist."));
        }
    }

    @Test
    public void failsWhenArchiveFileIsADirectory() {
        getArchiveFile().createDir();

        try {

        expect:
        progressOperation.getMessage() == "STATUS"
    }

    def "message is null if all inputs are null"() {
        given:
        ProgressOperation progressOperation = new ProgressOperation(null, "VARIANT_CATEGORY", new OperationIdentifier(1), null)

        expect:
        progressOperation.getMessage() == null
    }

    def "allows children to be managed"() {
        given:

    }

    public Exception getException() {
        return exception;
    }

    public String getMessage() {
        String msg;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else {
            msg = exception.getMessage();

            if (msg == null) {
                msg = "";
            }
        }

        return msg;

        final Supplier<String> stacktraceString = () -> {
            final StringBuilder sb = new StringBuilder();
            if (StringUtil.isBlank(cause.getMessage())) {
                sb.append(cause.getClass().getName());
            } else {
                sb.append(cause.getMessage());
            }
            try (final StringWriter sw = new StringWriter(); final PrintWriter pw = new PrintWriter(sw)) {

                throw new WrongExceptionThrownError(annotation.type(), t);
            }
            if (!annotation.message().equals(t.getMessage())) {
                throw new ComparisonFailure("Unexpected message for exception.", annotation.message(), t.getMessage());
            }
        }
    }