Add support for stage-specific options on random kernel.

Close #1072

kernels/random/RandomKernel.cpp

@@ -168,6 +168,7 @@ int RandomKernel::execute()
 
     Stage& writer = makeWriter(m_outputFile, makeReader(readerOptions));
     writer.setOptions(writerOptions);
+    applyExtraStageOptionsRecursive(&writer);
 
     PointTable table;
 

test/unit/CMakeLists.txt

@@ -121,6 +121,7 @@ if (WITH_APPS)
     if (BUILD_PIPELINE_TESTS)
         PDAL_ADD_TEST(pcpipeline_test FILES apps/pcpipelineTest.cpp)
     endif()
+    PDAL_ADD_TEST(random_test FILES apps/RandomTest.cpp)
 endif(WITH_APPS)
 
 if(LIBXML2_FOUND)

test/unit/apps/RandomTest.cpp

@@ -0,0 +1,78 @@
+/******************************************************************************
+* Copyright (c) 2015, Hobu Inc., (info@hobu.co)
+*
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following
+* conditions are met:
+*
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in
+*       the documentation and/or other materials provided
+*       with the distribution.
+*     * Neither the name of Hobu, Inc. nor the names of contributors
+*       may be used to endorse or promote products derived from this
+*       software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+* OF SUCH DAMAGE.
+****************************************************************************/
+
+#include <iostream>
+#include <string>
+
+#include <pdal/pdal_test_main.hpp>
+#include <pdal/util/FileUtils.hpp>
+#include <pdal/util/Utils.hpp>
+#include <pdal/PDALUtils.hpp>
+#include <LasReader.hpp>
+
+#include "Support.hpp"
+
+using namespace pdal;
+
+namespace
+{
+std::string appName()
+{
+    return Support::binpath("pdal random");
+}
+}
+
+TEST(Random, extra_ops)
+{
+    std::string outfile(Support::temppath("out.las"));
+
+    const std::string cmd = appName() +
+        " --count=100 --writers.las.minor_version=3 " + outfile;
+
+    FileUtils::deleteFile(outfile);
+    std::string output;
+    Utils::run_shell_command(cmd, output);
+
+    Options o;
+    o.add("filename", outfile);
+
+    PointTable t;
+
+    LasReader r;
+    r.setOptions(o);
+    r.prepare(t);
+
+    MetadataNode n = r.getMetadata();
+    EXPECT_EQ(n.findChild("minor_version").value<uint8_t>(), 3);
+}
+