[libcamera-devel] [PATCH v2 17/24] test: Add control serialization test

Niklas Söderlund niklas.soderlund at ragnatech.se
Mon Nov 18 22:47:24 CET 2019


Hi Laurent,

Thanks for your work.

On 2019-11-18 03:19:14 +0200, Laurent Pinchart wrote:
> Hi Jacopo,
> 
> On Fri, Nov 15, 2019 at 05:57:52PM +0100, Jacopo Mondi wrote:
> > On Fri, Nov 08, 2019 at 10:54:02PM +0200, Laurent Pinchart wrote:
> > > From: Jacopo Mondi <jacopo at jmondi.org>
> > >
> > > Add a test that exercises the ControlSerializer to serialize and
> > > deserialize ControlInfoMap and ControlList.
> > >
> > > Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> > > Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > > ---
> > >  test/meson.build                             |   1 +
> > >  test/serialization/control_serialization.cpp | 161 +++++++++++++++++++
> > >  test/serialization/meson.build               |  11 ++
> > >  test/serialization/serialization_test.cpp    |  89 ++++++++++
> > >  test/serialization/serialization_test.h      |  33 ++++
> > >  5 files changed, 295 insertions(+)
> > >  create mode 100644 test/serialization/control_serialization.cpp
> > >  create mode 100644 test/serialization/meson.build
> > >  create mode 100644 test/serialization/serialization_test.cpp
> > >  create mode 100644 test/serialization/serialization_test.h
> > >
> > > diff --git a/test/meson.build b/test/meson.build
> > > index adb5b29e69f3..1bb2161dc05a 100644
> > > --- a/test/meson.build
> > > +++ b/test/meson.build
> > > @@ -8,6 +8,7 @@ subdir('log')
> > >  subdir('media_device')
> > >  subdir('pipeline')
> > >  subdir('process')
> > > +subdir('serialization')
> > >  subdir('stream')
> > >  subdir('v4l2_subdevice')
> > >  subdir('v4l2_videodevice')
> > > diff --git a/test/serialization/control_serialization.cpp b/test/serialization/control_serialization.cpp
> > > new file mode 100644
> > > index 000000000000..adfb498b5bd2
> > > --- /dev/null
> > > +++ b/test/serialization/control_serialization.cpp
> > > @@ -0,0 +1,161 @@
> > > +/* SPDX-License-Identifier: GPL-2.0-or-later */
> > > +/*
> > > + * Copyright (C) 2019, Google Inc.
> > > + *
> > > + * control_serialization.cpp - Serialize and deserialize controls
> > > + */
> > > +
> > > +#include <iostream>
> > > +
> > > +#include <libcamera/camera.h>
> > > +#include <libcamera/control_ids.h>
> > > +#include <libcamera/controls.h>
> > > +
> > > +#include "byte_stream_buffer.h"
> > > +#include "control_serializer.h"
> > > +#include "serialization_test.h"
> > > +#include "test.h"
> > > +
> > > +using namespace std;
> > > +using namespace libcamera;
> > > +
> > > +class ControlSerializationTest : public SerializationTest
> > > +{
> > > +protected:
> > 
> > missing init()
> 
> init() isn't mandatory.

No but it inherits form CameraTest so maybe it's a good idea to check 
that a camera is found?

   int init() override
   {
       return status_;
   }

With this fixed,

Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>

> 
> > > +	int run() override
> > > +	{
> > > +		ControlSerializer serializer;
> > > +		ControlSerializer deserializer;
> > > +
> > > +		std::vector<uint8_t> infoData;
> > > +		std::vector<uint8_t> listData;
> > > +
> > > +		size_t size;
> > > +		int ret;
> > > +
> > > +		/* Create a control list with three controls. */
> > > +		const ControlInfoMap &infoMap = camera_->controls();
> > > +		ControlList list(infoMap);
> > > +
> > > +		list.set(controls::Brightness, 255);
> > > +		list.set(controls::Contrast, 128);
> > > +		list.set(controls::Saturation, 50);
> > > +
> > > +		/*
> > > +		 * Serialize the control list, this should fail as the control
> > > +		 * info map hasn't been serialized.
> > > +		 */
> > > +		size = serializer.binarySize(list);
> > > +		listData.resize(size);
> > > +		ByteStreamBuffer buffer(listData.data(), listData.size());
> > > +
> > > +		ret = serializer.serialize(list, buffer);
> > > +		if (!ret) {
> > > +			cerr << "List serialization without info map should have failed"
> > > +			     << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (buffer.overflow() || buffer.offset()) {
> > > +			cerr << "Failed list serialization modified the buffer"
> > > +			     << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		/* Serialize the control info map. */
> > > +		size = serializer.binarySize(infoMap);
> > > +		infoData.resize(size);
> > > +		buffer = ByteStreamBuffer(infoData.data(), infoData.size());
> > > +
> > > +		ret = serializer.serialize(infoMap, buffer);
> > > +		if (ret < 0) {
> > > +			cerr << "Failed to serialize ControlInfoMap" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (buffer.overflow()) {
> > > +			cerr << "Overflow when serializing ControlInfoMap" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		/* Serialize the control list, this should now succeed. */
> > > +		size = serializer.binarySize(list);
> > > +		listData.resize(size);
> > > +		buffer = ByteStreamBuffer(listData.data(), listData.size());
> > > +
> > > +		ret = serializer.serialize(list, buffer);
> > > +		if (ret) {
> > > +			cerr << "Failed to serialize ControlList" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (buffer.overflow()) {
> > > +			cerr << "Overflow when serializing ControlList" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		/*
> > > +		 * Deserialize the control list, this should fail as the control
> > > +		 * info map hasn't been deserialized.
> > > +		 */
> > > +		buffer = ByteStreamBuffer(const_cast<const uint8_t *>(listData.data()),
> > > +					  listData.size());
> > > +
> > > +		ControlList newList = deserializer.deserialize<ControlList>(buffer);
> > > +		if (!newList.empty()) {
> > > +			cerr << "List deserialization without info map should have failed"
> > > +			     << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (buffer.overflow()) {
> > > +			cerr << "Failed list deserialization modified the buffer"
> > > +			     << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		/* Deserialize the control info map and verify the contents. */
> > > +		buffer = ByteStreamBuffer(const_cast<const uint8_t *>(infoData.data()),
> > > +					  infoData.size());
> > > +
> > > +		ControlInfoMap newInfoMap = deserializer.deserialize<ControlInfoMap>(buffer);
> > > +		if (newInfoMap.empty()) {
> > > +			cerr << "Failed to deserialize ControlInfoMap" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (buffer.overflow()) {
> > > +			cerr << "Overflow when deserializing ControlInfoMap" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (!equals(infoMap, newInfoMap)) {
> > > +			cerr << "Deserialized map doesn't match original" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		/* Deserialize the control list and verify the contents. */
> > > +		buffer = ByteStreamBuffer(const_cast<const uint8_t *>(listData.data()),
> > > +					  listData.size());
> > > +
> > > +		newList = deserializer.deserialize<ControlList>(buffer);
> > > +		if (newList.empty()) {
> > > +			cerr << "Failed to deserialize ControlList" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (buffer.overflow()) {
> > > +			cerr << "Overflow when deserializing ControlList" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		if (!equals(list, newList)) {
> > > +			cerr << "Deserialized list doesn't match original" << endl;
> > > +			return TestFail;
> > > +		}
> > > +
> > > +		return TestPass;
> > > +	}
> > > +};
> > > +
> > > +TEST_REGISTER(ControlSerializationTest)
> > > diff --git a/test/serialization/meson.build b/test/serialization/meson.build
> > > new file mode 100644
> > > index 000000000000..d78d92e61887
> > > --- /dev/null
> > > +++ b/test/serialization/meson.build
> > > @@ -0,0 +1,11 @@
> > > +serialization_tests = [
> > > +    [ 'control_serialization',    'control_serialization.cpp' ],
> > > +]
> > > +
> > > +foreach t : serialization_tests
> > > +    exe = executable(t[0], [t[1], 'serialization_test.cpp'],
> > > +                     dependencies : libcamera_dep,
> > > +                     link_with : test_libraries,
> > > +                     include_directories : test_includes_internal)
> > > +    test(t[0], exe, suite : 'serialization', is_parallel : true)
> > > +endforeach
> > > diff --git a/test/serialization/serialization_test.cpp b/test/serialization/serialization_test.cpp
> > > new file mode 100644
> > > index 000000000000..68e0512a04ca
> > > --- /dev/null
> > > +++ b/test/serialization/serialization_test.cpp
> > > @@ -0,0 +1,89 @@
> > > +/* SPDX-License-Identifier: GPL-2.0-or-later */
> > > +/*
> > > + * Copyright (C) 2019, Google Inc.
> > > + *
> > > + * serialization_test.cpp - Base class for serialization tests
> > > + */
> > > +
> > > +#include "serialization_test.h"
> > > +
> > > +#include <algorithm>
> > > +#include <iostream>
> > > +#include <map>
> > > +
> > > +#include <libcamera/camera.h>
> > > +#include <libcamera/camera_manager.h>
> > > +#include <libcamera/controls.h>
> > > +
> > > +#include "test.h"
> > > +
> > > +using namespace std;
> > > +using namespace libcamera;
> > > +
> > > +bool SerializationTest::equals(const ControlInfoMap &lhs, const ControlInfoMap &rhs)
> > > +{
> > > +	std::map<unsigned int, ControlRange> rlhs;
> > > +	std::transform(lhs.begin(), lhs.end(), std::inserter(rlhs, rlhs.end()),
> > > +			[](const ControlInfoMap::value_type &v)
> > > +				-> decltype(rlhs)::value_type
> > > +			{
> > > +				return { v.first->id(), v.second };
> > > +			});
> > > +
> > > +	std::map<unsigned int, ControlRange> rrhs;
> > > +	std::transform(rhs.begin(), rhs.end(), std::inserter(rrhs, rrhs.end()),
> > > +			[](const ControlInfoMap::value_type &v)
> > > +				-> decltype(rrhs)::value_type
> > > +			{
> > > +				return { v.first->id(), v.second };
> > > +			});
> > > +
> > > +	if (rlhs == rrhs)
> > > +		return true;
> > > +
> > > +	cerr << "lhs:" << endl;
> > > +	for (const auto &value : rlhs)
> > > +		cerr << "- " << value.first << ": "
> > > +		     << value.second.toString() << endl;
> > > +
> > > +	cerr << "rhs:" << endl;
> > > +	for (const auto &value : rrhs)
> > > +		cerr << "- " << value.first << ": "
> > > +		     << value.second.toString() << endl;
> > > +
> > > +	return false;
> > > +}
> > > +
> > > +bool SerializationTest::equals(const ControlList &lhs, const ControlList &rhs)
> > > +{
> > > +	std::map<unsigned int, ControlValue> rlhs;
> > > +	std::transform(lhs.begin(), lhs.end(), std::inserter(rlhs, rlhs.end()),
> > > +			[](const std::pair<unsigned int, ControlValue> &v)
> > > +				-> decltype(rlhs)::value_type
> > > +			{
> > > +				return { v.first, v.second };
> > > +			});
> > > +
> > > +	std::map<unsigned int, ControlValue> rrhs;
> > > +	std::transform(rhs.begin(), rhs.end(), std::inserter(rrhs, rrhs.end()),
> > > +			[](const std::pair<unsigned int, ControlValue> &v)
> > > +				-> decltype(rrhs)::value_type
> > > +			{
> > > +				return { v.first, v.second };
> > > +			});
> > > +
> > > +	if (rlhs == rrhs)
> > > +		return true;
> > > +
> > > +	cerr << "lhs:" << endl;
> > > +	for (const auto &value : rlhs)
> > > +		cerr << "- " << value.first << ": "
> > > +		     << value.second.toString() << endl;
> > > +
> > > +	cerr << "rhs:" << endl;
> > > +	for (const auto &value : rrhs)
> > > +		cerr << "- " << value.first << ": "
> > > +		     << value.second.toString() << endl;
> > > +
> > > +	return false;
> > > +}
> > > diff --git a/test/serialization/serialization_test.h b/test/serialization/serialization_test.h
> > > new file mode 100644
> > > index 000000000000..fe77221ef5d0
> > > --- /dev/null
> > > +++ b/test/serialization/serialization_test.h
> > > @@ -0,0 +1,33 @@
> > > +/* SPDX-License-Identifier: GPL-2.0-or-later */
> > > +/*
> > > + * Copyright (C) 2019, Google Inc.
> > > + *
> > > + * serialization_test.h - Base class for serialization tests
> > > + */
> > > +#ifndef __LIBCAMERA_SERIALIZATION_TEST_H__
> > > +#define __LIBCAMERA_SERIALIZATION_TEST_H__
> > > +
> > > +#include <libcamera/camera.h>
> > > +#include <libcamera/camera_manager.h>
> > > +#include <libcamera/controls.h>
> > > +
> > > +#include "camera_test.h"
> > > +#include "test.h"
> > > +
> > > +using namespace libcamera;
> > > +
> > > +class SerializationTest : public CameraTest, public Test
> > > +{
> > > +public:
> > > +	SerializationTest()
> > > +		: CameraTest("VIMC Sensor B")
> > > +	{
> > > +	}
> > > +
> > > +	static bool equals(const ControlInfoMap &lhs,
> > > +			   const ControlInfoMap &rhs);
> > > +	static bool equals(const ControlList &lhs,
> > > +			   const ControlList &rhs);
> > > +};
> > > +
> > > +#endif /* __LIBCAMERA_SERIALIZATION_TEST_H__ */
> 
> -- 
> Regards,
> 
> Laurent Pinchart
> _______________________________________________
> libcamera-devel mailing list
> libcamera-devel at lists.libcamera.org
> https://lists.libcamera.org/listinfo/libcamera-devel

-- 
Regards,
Niklas Söderlund


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