[libcamera-devel] [PATCH v2 01/24] test: Extract CameraTest class out of camera tests to libtest

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Nov 18 01:36:52 CET 2019


Hello,

On Fri, Nov 15, 2019 at 04:51:18PM +0100, Jacopo Mondi wrote:
> On Thu, Nov 14, 2019 at 09:07:52AM +0100, Niklas Söderlund wrote:
> > On 2019-11-08 22:53:46 +0200, Laurent Pinchart wrote:
> > > Many tests other than the camera/ tests use a camera. To increase code
> > > sharing, move the base CameraTest class to the test library. The class
> > > becomes a helper that doesn't inherit from Test anymore (to avoid
> > > diamond inheritance issues when more such helpers will exist).
> > >
> > > Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> >
> > I'm not overly found of how status_ is checked in users, but I like the
> > overall change more and this is test code.
> 
> I agree this requires to be handled in the sub-classes' init() and
> it's not super nice

I don't like it much either, I think we'll need to refactor the tests in
the not too distant future, and this is something I believe we should
address then.

> > Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
> >
> > > ---
> > >  test/camera/buffer_import.cpp            | 14 ++++-----
> > >  test/camera/capture.cpp                  | 15 ++++++---
> > >  test/camera/configuration_default.cpp    | 16 ++++++++--
> > >  test/camera/configuration_set.cpp        | 15 ++++++---
> > >  test/camera/meson.build                  |  2 +-
> > >  test/camera/statemachine.cpp             | 15 ++++++---
> > >  test/controls/control_list.cpp           | 39 +++++-------------------
> > >  test/{camera => libtest}/camera_test.cpp | 24 +++++++++------
> > >  test/{camera => libtest}/camera_test.h   | 12 +++-----
> > >  test/libtest/meson.build                 |  1 +
> > >  10 files changed, 77 insertions(+), 76 deletions(-)
> > >  rename test/{camera => libtest}/camera_test.cpp (55%)
> > >  rename test/{camera => libtest}/camera_test.h (77%)
> > >
> > > diff --git a/test/camera/buffer_import.cpp b/test/camera/buffer_import.cpp
> > > index bbc5a25c4019..3efe02704c02 100644
> > > --- a/test/camera/buffer_import.cpp
> > > +++ b/test/camera/buffer_import.cpp
> > > @@ -18,6 +18,7 @@
> > >  #include "v4l2_videodevice.h"
> > >
> > >  #include "camera_test.h"
> > > +#include "test.h"
> > >
> > >  using namespace libcamera;
> > >
> > > @@ -254,11 +255,11 @@ private:
> > >  	bool done_;
> > >  };
> > >
> > > -class BufferImportTest : public CameraTest
> > > +class BufferImportTest : public CameraTest, public Test
> > >  {
> > >  public:
> > >  	BufferImportTest()
> > > -		: CameraTest()
> > > +		: CameraTest("VIMC Sensor B")
> > >  	{
> > >  	}
> > >
> > > @@ -350,11 +351,10 @@ protected:
> > >
> > >  	int init()
> > >  	{
> > > -		int ret = CameraTest::init();
> > > -		if (ret)
> > > -			return ret;
> > > +		if (status_ != TestPass)
> > > +			return status_;
> > >
> > > -		ret = sink_.init();
> > > +		int ret = sink_.init();
> > >  		if (ret != TestPass) {
> > >  			cleanup();
> > >  			return ret;
> > > @@ -422,8 +422,6 @@ protected:
> > >
> > >  		camera_->stop();
> > >  		camera_->freeBuffers();
> > > -
> > > -		CameraTest::cleanup();
> > >  	}
> > >
> > >  private:
> > > diff --git a/test/camera/capture.cpp b/test/camera/capture.cpp
> > > index 791ccad15f70..08cce9c7cbaf 100644
> > > --- a/test/camera/capture.cpp
> > > +++ b/test/camera/capture.cpp
> > > @@ -8,13 +8,20 @@
> > >  #include <iostream>
> > >
> > >  #include "camera_test.h"
> > > +#include "test.h"
> > >
> > >  using namespace std;
> > >
> > >  namespace {
> > >
> > > -class Capture : public CameraTest
> > > +class Capture : public CameraTest, public Test
> > >  {
> > > +public:
> > > +	Capture()
> > > +		: CameraTest("VIMC Sensor B")
> > > +	{
> > > +	}
> > > +
> > >  protected:
> > >  	unsigned int completeBuffersCount_;
> > >  	unsigned int completeRequestsCount_;
> > > @@ -46,14 +53,12 @@ protected:
> > >
> > >  	int init() override
> > >  	{
> > > -		int ret = CameraTest::init();
> > > -		if (ret)
> > > -			return ret;
> > > +		if (status_ != TestPass)
> > > +			return status_;
> > >
> > >  		config_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
> > >  		if (!config_ || config_->size() != 1) {
> > >  			cout << "Failed to generate default configuration" << endl;
> > > -			CameraTest::cleanup();
> > >  			return TestFail;
> > >  		}
> > >
> > > diff --git a/test/camera/configuration_default.cpp b/test/camera/configuration_default.cpp
> > > index ce2ec5d02e7b..31c908d2449e 100644
> > > --- a/test/camera/configuration_default.cpp
> > > +++ b/test/camera/configuration_default.cpp
> > > @@ -8,15 +8,27 @@
> > >  #include <iostream>
> > >
> > >  #include "camera_test.h"
> > > +#include "test.h"
> > >
> > >  using namespace std;
> > >
> > >  namespace {
> > >
> > > -class ConfigurationDefault : public CameraTest
> > > +class ConfigurationDefault : public CameraTest, public Test
> > >  {
> > > +public:
> > > +	ConfigurationDefault()
> > > +		: CameraTest("VIMC Sensor B")
> > > +	{
> > > +	}
> > > +
> > >  protected:
> > > -	int run()
> > > +	int init() override
> > > +	{
> > > +		return status_;
> > > +	}
> > > +
> > > +	int run() override
> > >  	{
> > >  		std::unique_ptr<CameraConfiguration> config;
> > >
> > > diff --git a/test/camera/configuration_set.cpp b/test/camera/configuration_set.cpp
> > > index f88da96ca2b7..b4b5968115e8 100644
> > > --- a/test/camera/configuration_set.cpp
> > > +++ b/test/camera/configuration_set.cpp
> > > @@ -8,24 +8,29 @@
> > >  #include <iostream>
> > >
> > >  #include "camera_test.h"
> > > +#include "test.h"
> > >
> > >  using namespace std;
> > >
> > >  namespace {
> > >
> > > -class ConfigurationSet : public CameraTest
> > > +class ConfigurationSet : public CameraTest, public Test
> > >  {
> > > +public:
> > > +	ConfigurationSet()
> > > +		: CameraTest("VIMC Sensor B")
> > > +	{
> > > +	}
> > > +
> > >  protected:
> > >  	int init() override
> > >  	{
> > > -		int ret = CameraTest::init();
> > > -		if (ret)
> > > -			return ret;
> > > +		if (status_ != TestPass)
> > > +			return status_;
> > >
> > >  		config_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
> > >  		if (!config_ || config_->size() != 1) {
> > >  			cout << "Failed to generate default configuration" << endl;
> > > -			CameraTest::cleanup();
> > >  			return TestFail;
> > >  		}
> > >
> > > diff --git a/test/camera/meson.build b/test/camera/meson.build
> > > index d6fd66b8f89e..e2a6660a7a92 100644
> > > --- a/test/camera/meson.build
> > > +++ b/test/camera/meson.build
> > > @@ -9,7 +9,7 @@ camera_tests = [
> > >  ]
> > >
> > >  foreach t : camera_tests
> > > -    exe = executable(t[0], [t[1], 'camera_test.cpp'],
> > > +    exe = executable(t[0], t[1],
> > >                       dependencies : libcamera_dep,
> > >                       link_with : test_libraries,
> > >                       include_directories : test_includes_internal)
> > > diff --git a/test/camera/statemachine.cpp b/test/camera/statemachine.cpp
> > > index 12d5e0e1d534..afa13ba77b0b 100644
> > > --- a/test/camera/statemachine.cpp
> > > +++ b/test/camera/statemachine.cpp
> > > @@ -8,13 +8,20 @@
> > >  #include <iostream>
> > >
> > >  #include "camera_test.h"
> > > +#include "test.h"
> > >
> > >  using namespace std;
> > >
> > >  namespace {
> > >
> > > -class Statemachine : public CameraTest
> > > +class Statemachine : public CameraTest, public Test
> > >  {
> > > +public:
> > > +	Statemachine()
> > > +		: CameraTest("VIMC Sensor B")
> > > +	{
> > > +	}
> > > +
> > >  protected:
> > >  	int testAvailable()
> > >  	{
> > > @@ -233,14 +240,12 @@ protected:
> > >
> > >  	int init() override
> > >  	{
> > > -		int ret = CameraTest::init();
> > > -		if (ret)
> > > -			return ret;
> > > +		if (status_ != TestPass)
> > > +			return status_;
> > >
> > >  		defconf_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
> > >  		if (!defconf_) {
> > >  			cout << "Failed to generate default configuration" << endl;
> > > -			CameraTest::cleanup();
> > >  			return TestFail;
> > >  		}
> > >
> > > diff --git a/test/controls/control_list.cpp b/test/controls/control_list.cpp
> > > index 5af53f64bb6c..4d212abd09e6 100644
> > > --- a/test/controls/control_list.cpp
> > > +++ b/test/controls/control_list.cpp
> > > @@ -13,32 +13,22 @@
> > >  #include <libcamera/controls.h>
> > >
> > >  #include "camera_controls.h"
> > > +
> > > +#include "camera_test.h"
> > >  #include "test.h"
> > >
> > >  using namespace std;
> > >  using namespace libcamera;
> > >
> > > -class ControlListTest : public Test
> > > +class ControlListTest : public CameraTest, public Test
> > >  {
> > > -protected:
> > > -	int init()
> > > +public:
> > > +	ControlListTest()
> > > +		: CameraTest("VIMC Sensor B")
> > >  	{
> > > -		cm_ = new CameraManager();
> > > -
> > > -		if (cm_->start()) {
> > > -			cout << "Failed to start camera manager" << endl;
> > > -			return TestFail;
> > > -		}
> > > -
> > > -		camera_ = cm_->get("VIMC Sensor B");
> > > -		if (!camera_) {
> > > -			cout << "Can not find VIMC camera" << endl;
> > > -			return TestSkip;
> > > -		}
> > > -
> > > -		return TestPass;
> > >  	}
> > >
> > > +protected:
> 
> Don't we need to check status_ in init() ?
> 
> Apart from this:
> Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>
> 
> Thanks
>    j
> 
> > >  	int run()
> > >  	{
> > >  		CameraControlValidator validator(camera_.get());
> > > @@ -156,21 +146,6 @@ protected:
> > >
> > >  		return TestPass;
> > >  	}
> > > -
> > > -	void cleanup()
> > > -	{
> > > -		if (camera_) {
> > > -			camera_->release();
> > > -			camera_.reset();
> > > -		}
> > > -
> > > -		cm_->stop();
> > > -		delete cm_;
> > > -	}
> > > -
> > > -private:
> > > -	CameraManager *cm_;
> > > -	std::shared_ptr<Camera> camera_;
> > >  };
> > >
> > >  TEST_REGISTER(ControlListTest)
> > > diff --git a/test/camera/camera_test.cpp b/test/libtest/camera_test.cpp
> > > similarity index 55%
> > > rename from test/camera/camera_test.cpp
> > > rename to test/libtest/camera_test.cpp
> > > index 101e31fbce79..2ae4d6776f2e 100644
> > > --- a/test/camera/camera_test.cpp
> > > +++ b/test/libtest/camera_test.cpp
> > > @@ -8,35 +8,39 @@
> > >  #include <iostream>
> > >
> > >  #include "camera_test.h"
> > > +#include "test.h"
> > >
> > >  using namespace libcamera;
> > >  using namespace std;
> > >
> > > -int CameraTest::init()
> > > +CameraTest::CameraTest(const char *name)
> > >  {
> > >  	cm_ = new CameraManager();
> > >
> > >  	if (cm_->start()) {
> > > -		cout << "Failed to start camera manager" << endl;
> > > -		return TestFail;
> > > +		cerr << "Failed to start camera manager" << endl;
> > > +		status_ = TestFail;
> > > +		return;
> > >  	}
> > >
> > > -	camera_ = cm_->get("VIMC Sensor B");
> > > +	camera_ = cm_->get(name);
> > >  	if (!camera_) {
> > > -		cout << "Can not find VIMC camera" << endl;
> > > -		return TestSkip;
> > > +		cerr << "Can not find '" << name << "' camera" << endl;
> > > +		status_ = TestSkip;
> > > +		return;
> > >  	}
> > >
> > >  	/* Sanity check that the camera has streams. */
> > >  	if (camera_->streams().empty()) {
> > > -		cout << "Camera has no stream" << endl;
> > > -		return TestFail;
> > > +		cerr << "Camera has no stream" << endl;
> > > +		status_ = TestFail;
> > > +		return;
> > >  	}
> > >
> > > -	return TestPass;
> > > +	status_ = TestPass;
> > >  }
> > >
> > > -void CameraTest::cleanup()
> > > +CameraTest::~CameraTest()
> > >  {
> > >  	if (camera_) {
> > >  		camera_->release();
> > > diff --git a/test/camera/camera_test.h b/test/libtest/camera_test.h
> > > similarity index 77%
> > > rename from test/camera/camera_test.h
> > > rename to test/libtest/camera_test.h
> > > index e57b05eb28a9..0b6bad05e37c 100644
> > > --- a/test/camera/camera_test.h
> > > +++ b/test/libtest/camera_test.h
> > > @@ -9,22 +9,18 @@
> > >
> > >  #include <libcamera/libcamera.h>
> > >
> > > -#include "test.h"
> > > -
> > >  using namespace libcamera;
> > >
> > > -class CameraTest : public Test
> > > +class CameraTest
> > >  {
> > >  public:
> > > -	CameraTest()
> > > -		: cm_(nullptr) {}
> > > +	CameraTest(const char *name);
> > > +	~CameraTest();
> > >
> > >  protected:
> > > -	int init();
> > > -	void cleanup();
> > > -
> > >  	CameraManager *cm_;
> > >  	std::shared_ptr<Camera> camera_;
> > > +	int status_;
> > >  };
> > >
> > >  #endif /* __LIBCAMERA_CAMERA_TEST_H__ */
> > > diff --git a/test/libtest/meson.build b/test/libtest/meson.build
> > > index ca762b4421c2..3e798ef3810e 100644
> > > --- a/test/libtest/meson.build
> > > +++ b/test/libtest/meson.build
> > > @@ -1,4 +1,5 @@
> > >  libtest_sources = files([
> > > +    'camera_test.cpp',
> > >      'test.cpp',
> > >  ])
> > >

-- 
Regards,

Laurent Pinchart


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