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StreamingTest.cpp
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StreamingTest.cpp
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/******************************************************************************
*
* 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. or Flaxen Geo Consulting nor the
* names of its 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 <pdal/pdal_test_main.hpp>
#include <pdal/Filter.hpp>
#include <pdal/PointTable.hpp>
#include <io/FauxReader.hpp>
#include <pdal/StageFactory.hpp>
#include <filters/MergeFilter.hpp>
#include <filters/StreamCallbackFilter.hpp>
#include "Support.hpp"
using namespace pdal;
// This test depends on stages being executed in the order that they were
// added to each parent. If you change order, things will break.
TEST(Streaming, filter)
{
Options ro1;
ro1.add("bounds", BOX3D(0, 0, 0, 99, 99, 99));
ro1.add("mode", "ramp");
ro1.add("count", 100);
FauxReader r1;
r1.setOptions(ro1);
Options ro2;
ro2.add("bounds", BOX3D(100, 100, 100, 199, 199, 199));
ro2.add("mode", "ramp");
ro2.add("count", 100);
FauxReader r2;
r2.setOptions(ro2);
Options ro3;
ro3.add("bounds", BOX3D(200, 200, 200, 299, 299, 299));
ro3.add("mode", "ramp");
ro3.add("count", 100);
FauxReader r3;
r3.setOptions(ro3);
Options ro4;
ro4.add("bounds", BOX3D(300, 300, 300, 399, 399, 399));
ro4.add("mode", "ramp");
ro4.add("count", 100);
FauxReader r4;
r4.setOptions(ro4);
MergeFilter m1;
m1.setInput(r1);
m1.setInput(r2);
MergeFilter m2;
m2.setInput(r3);
m2.setInput(r4);
MergeFilter m3;
m3.setInput(m1);
m3.setInput(m2);
StreamCallbackFilter f;
int cnt = 0;
auto cb = [&cnt](PointRef& point)
{
static int x(0), y(0), z(0);
EXPECT_EQ(point.getFieldAs<int>(Dimension::Id::X), x++);
EXPECT_EQ(point.getFieldAs<int>(Dimension::Id::Y), y++);
EXPECT_EQ(point.getFieldAs<int>(Dimension::Id::Z), z++);
cnt++;
return true;
};
f.setCallback(cb);
f.setInput(m3);
FixedPointTable t(20);
f.prepare(t);
f.execute(t);
EXPECT_EQ(cnt, 400);
}
namespace
{
class R : public Reader, public Streamable
{
public:
R() : m_entered(false)
{}
std::string getName() const
{ return "readers.r"; }
private:
virtual bool processOne(PointRef& point)
{
if (!m_entered)
{
std::cout << tag();
m_entered = true;
return true;
}
return false;
}
virtual point_count_t read(PointViewPtr, point_count_t)
{
std::cout << tag();
return 0;
}
private:
bool m_entered;
};
class F : public Filter, public Streamable
{
public:
std::string getName() const
{ return "filters.f"; };
private:
virtual bool processOne(PointRef& point)
{
std::cout << tag();
return true;
}
virtual void filter(PointView& view)
{
std::cout << tag();
}
};
} // unnamed pdal
TEST(Streaming, order)
{
StaticPluginInfo const f_info
{
"filters.f",
"F Filter",
"",
{}
};
CREATE_STATIC_STAGE(F, f_info)
StaticPluginInfo const r_info
{
"readers.r",
"R Reader",
"",
{}
};
CREATE_STATIC_STAGE(R, r_info)
std::string pipeline =
R"(
{
"pipeline" : [
{
"type": "readers.r",
"tag": "G"
},
{
"type": "readers.r",
"tag": "H"
},
{
"type": "readers.r",
"tag": "D"
},
{
"type": "filters.f",
"tag": "E",
"inputs": [ "G", "H" ]
},
{
"type": "readers.r",
"tag": "F"
},
{
"type": "filters.f",
"tag": "B",
"inputs": [ "D", "E", "F" ]
},
{
"type": "readers.r",
"tag": "C"
},
{
"type": "filters.f",
"tag": "A",
"inputs": [ "B", "C" ]
}
]
}
)";
/**
Tree representation of the pipeline above:
G H
\ /
D E F
\ | /
\ | /
B C
| /
A
**/
std::ostringstream oss;
// Order of traversal based on one point from each source.
auto ctx = Utils::redirect(std::cout, oss);
std::istringstream iss(pipeline);
PipelineManager mgr;
mgr.readPipeline(iss);
FixedPointTable t(10000);
mgr.executeStream(t);
Utils::restore(std::cout, ctx);
std::string output(oss.str());
EXPECT_NE(output.find("DBAGEBAHEBAFBACA"), std::string::npos);
// In non-stream mode we get a letter for each point view.
oss.clear();
oss.str("");
std::cerr << oss.str() << "!\n";
iss.seekg(0);
ctx = Utils::redirect(std::cout, oss);
PipelineManager mgr2;
mgr2.readPipeline(iss);
mgr2.execute();
output = oss.str();
Utils::restore(std::cout, ctx);
EXPECT_NE(output.find("DGHEEFBBBBCAAAAA"), std::string::npos);
}
// Test that SRS changes aren't repeated when new input is processed.
TEST(Streaming, issue_2009)
{
StageFactory f;
Stage& r1 = *(f.createStage("readers.las"));
Options r1Opts;
r1Opts.add("filename", Support::datapath("las/test_epsg_4326.las"));
r1.setOptions(r1Opts);
Stage& r2 = *(f.createStage("readers.las"));
Options r2Opts;
r2Opts.add("filename", Support::datapath("las/test_epsg_4326.las"));
r2.setOptions(r2Opts);
class TestFilter : public Filter, public Streamable
{
public:
TestFilter() : m_srsCnt(0)
{}
std::string getName() const { return "filters.test"; }
int m_srsCnt;
private:
virtual void spatialReferenceChanged(const SpatialReference&)
{
m_srsCnt++;
}
virtual bool processOne(PointRef&)
{
return true;
}
};
TestFilter t;
t.setInput(r1);
t.setInput(r2);
FixedPointTable table(100);
t.prepare(table);
t.execute(table);
EXPECT_EQ(t.m_srsCnt, 1);
}
// Test that an SRS change is emitted at the start even if there is no SRS
// in the source.
TEST(Streaming, issue_2038)
{
StageFactory f;
Stage& r1 = *(f.createStage("readers.text"));
Options r1Opts;
r1Opts.add("filename", Support::datapath("text/utm17_1.txt"));
r1.setOptions(r1Opts);
class TestFilter : public Filter, public Streamable
{
public:
TestFilter() : m_srsCnt(0)
{}
std::string getName() const { return "filters.test"; }
int m_srsCnt;
private:
virtual void spatialReferenceChanged(const SpatialReference&)
{
m_srsCnt++;
}
virtual bool processOne(PointRef&)
{
EXPECT_EQ(m_srsCnt, 1);
return true;
}
};
TestFilter t;
t.setInput(r1);
FixedPointTable table(100);
t.prepare(table);
t.execute(table);
EXPECT_EQ(t.m_srsCnt, 1);
}