pxmlw6n2f/Gazebo_Distributed_TCP/test/integration/joint_set_position_test.cc

598 lines
20 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <gtest/gtest.h>
#include "gazebo/physics/physics.hh"
// #include "gazebo/physics/Joint.hh"
#include "gazebo/test/ServerFixture.hh"
#include "gazebo/test/helper_physics_generator.hh"
#define TOL 0.001
using namespace gazebo;
class JointKinematicTest : public ServerFixture,
public testing::WithParamInterface<const char*>
{
/// \brief Test setting joint position. Joint::SetPosition is called
/// in series with World::Step(1) with physics paused to avoid race
/// conditions between physics updating link poses and Joint::Angle setting
/// link poses.
/// \param[in] _physicsEngine physics engine type [bullet|dart|ode|simbody]
public: void SetJointPositionTest(const std::string &_physicsEngine);
/// \brief Test setting joint position. Joint::SetPosition is called
/// in parallel with World::Step(1) with physics running to check for race
/// conditions between physics updating link poses and Joint::Angle setting
/// link poses.
/// \param[in] _physicsEngine physics engine type [bullet|dart|ode|simbody]
public: void SetJointPositionThreadedTest(const std::string &_physicsEngine);
/// \brief Test setting joint position. Joint::SetPosition is called
/// in series with World::Step(1) with physics paused to avoid race
/// conditions between physics updating link poses and Joint::Angle setting
/// link poses.
/// This test tries to set joint angles of loop joints, the model state
/// should not change.
/// \param[in] _physicsEngine physics engine type [bullet|dart|ode|simbody]
public: void SetJointPositionLoopJointTest(const std::string &_physicsEngine);
};
//////////////////////////////////////////////////
void JointKinematicTest::SetJointPositionTest(const std::string &_physicsEngine)
{
// init random seed
srand(time(NULL));
unsigned int seed = time(NULL);
if (_physicsEngine == "bullet")
{
gzerr << "Bullet Joint::SetPosition affected by issue #1194.\n";
return;
}
if (_physicsEngine == "dart")
{
gzerr << "DART Joint::SetPosition not yet working.\n";
return;
}
if (_physicsEngine == "simbody")
{
gzerr << "Simbody Joint::SetPosition not yet working.\n";
return;
}
// Load our screw joint test world
Load("worlds/set_joint_position.world", true, _physicsEngine);
// Get a pointer to the world, make sure world loads
physics::WorldPtr world = physics::get_world("default");
ASSERT_TRUE(world != NULL);
// Verify physics engine type
physics::PhysicsEnginePtr physics = world->GetPhysicsEngine();
ASSERT_TRUE(physics != NULL);
EXPECT_EQ(physics->GetType(), _physicsEngine);
physics->SetGravity(math::Vector3(0, 0, 0));
// simulate 1 step
world->Step(1);
double t = world->GetSimTime().Double();
// get time step size
double dt = world->GetPhysicsEngine()->GetMaxStepSize();
EXPECT_GT(dt, 0);
gzlog << "dt : " << dt << "\n";
// verify that time moves forward
EXPECT_DOUBLE_EQ(t, dt);
gzlog << "t after one step : " << t << "\n";
// get pointer to model
physics::ModelPtr model = world->GetModel("model_1");
while (!model)
{
model = world->GetModel("model_1");
gzdbg << "waiting for model_1 to spawn\n";
sleep(1);
}
world->SetPaused(false);
// intentionally break the joint using Link::SetWorldPose
// let it conflict with Physics pose updates and make sure
// internal model state stays consistent
double start_time;
double start_wall_time;
const double test_wall_duration = 2.0;
double elapsed_wall_time;
const double pub_rate = 10000.0;
physics::Link_V links;
links.push_back(model->GetLink("link_1"));
links.push_back(model->GetLink("link_2"));
links.push_back(model->GetLink("link_3"));
links.push_back(model->GetLink("link_4"));
links.push_back(model->GetLink("link_5"));
links.push_back(model->GetLink("link_2a"));
links.push_back(model->GetLink("link_2b"));
links.push_back(model->GetLink("link_3a"));
links.push_back(model->GetLink("link_4a"));
links.push_back(model->GetLink("link_5a"));
for (physics::Link_V::iterator li = links.begin(); li != links.end(); ++li)
{
EXPECT_TRUE((*li) != NULL);
}
physics::Joint_V joints;
joints.push_back(model->GetJoint("model_1::joint_01"));
joints.push_back(model->GetJoint("model_1::joint_12"));
// joints.push_back(model->GetJoint("model_1::joint_23"));
// joints.push_back(model->GetJoint("model_1::joint_34"));
// joints.push_back(model->GetJoint("model_1::joint_45"));
// joints.push_back(model->GetJoint("model_1::joint_52"));
joints.push_back(model->GetJoint("model_1::joint_22a"));
joints.push_back(model->GetJoint("model_1::joint_2a2b"));
// joints.push_back(model->GetJoint("model_1::joint_2b3a"));
// joints.push_back(model->GetJoint("model_1::joint_3a4a"));
// joints.push_back(model->GetJoint("model_1::joint_4a5a"));
// joints.push_back(model->GetJoint("model_1::joint_5a2b"));
for (physics::Joint_V::iterator ji = joints.begin(); ji != joints.end(); ++ji)
{
EXPECT_TRUE((*ji) != NULL);
}
world->SetPaused(true);
start_time = world->GetSimTime().Double();
start_wall_time = common::Time::GetWallTime().Double();
double last_update_wall_time = -1e16;
gzdbg << " -------------------------------------------------------------\n";
gzdbg << " Send random joint position commands for " << test_wall_duration
<< " secs, see how well Joint::SetPosition deals with random inputs.\n"
<< " The test is run such that we call Joint::SetPosition in series"
<< " with World::Step, so there's no physics engine update collision"
<< " with Link::SetWorldPose from ODEJoint::SetPosition.\n";
gzdbg << " Calling Joint::SetPosition at [" << pub_rate
<< "] Hz with real time duration.\n";
while (common::Time::GetWallTime().Double() <
start_wall_time + test_wall_duration)
{
// limit setting pose to some rate in wall time
if (common::Time::GetWallTime().Double() - last_update_wall_time
>= (1.0/pub_rate))
{
last_update_wall_time = common::Time::GetWallTime().Double();
for (physics::Joint_V::iterator ji = joints.begin();
ji != joints.end(); ++ji)
{
(*ji)->SetPosition(0,
static_cast<double>(rand_r(&seed))/static_cast<double>(RAND_MAX));
}
// gzdbg << "debug: running ["
// << common::Time::GetWallTime().Double()
// << " / " << start_wall_time + test_wall_duration
// << "]\n";
}
// step simulation
world->Step(1);
// gzdbg << "debug: " << common::Time::GetWallTime().Double()
// << " - " << last_update_wall_time
// << " >= " << (1.0/pub_rate) << "\n";
for (physics::Link_V::iterator li = links.begin();
li != links.end(); ++li)
{
math::Vector3 linVel = (*li)->GetWorldLinearVel();
math::Vector3 angVel = (*li)->GetWorldAngularVel();
EXPECT_NEAR(linVel.x, 0, TOL);
EXPECT_NEAR(linVel.y, 0, TOL);
EXPECT_NEAR(linVel.z, 0, TOL);
EXPECT_NEAR(angVel.x, 0, TOL);
EXPECT_NEAR(angVel.y, 0, TOL);
EXPECT_NEAR(angVel.z, 0, TOL);
}
}
double test_duration = world->GetSimTime().Double() - start_time;
elapsed_wall_time = common::Time::GetWallTime().Double() - start_wall_time;
gzdbg << " elapsed sim time [" << test_duration
<< "] elapsed wall time [" << elapsed_wall_time
<< "] sim performance [" << test_duration / elapsed_wall_time
<< "]\n";
}
TEST_P(JointKinematicTest, SetJointPositionTest)
{
SetJointPositionTest(GetParam());
}
//////////////////////////////////////////////////
void JointKinematicTest::SetJointPositionThreadedTest(
const std::string &_physicsEngine)
{
// init random seed
srand(time(NULL));
unsigned int seed = time(NULL);
if (_physicsEngine == "bullet")
{
gzerr << "Bullet Joint::SetPosition affected by issue #1194.\n";
return;
}
if (_physicsEngine == "dart")
{
gzerr << "DART Joint::SetPosition not yet working.\n";
return;
}
if (_physicsEngine == "simbody")
{
gzerr << "Simbody Joint::SetPosition not yet working.\n";
return;
}
// Load our screw joint test world
Load("worlds/set_joint_position.world", true, _physicsEngine);
// Get a pointer to the world, make sure world loads
physics::WorldPtr world = physics::get_world("default");
ASSERT_TRUE(world != NULL);
// Verify physics engine type
physics::PhysicsEnginePtr physics = world->GetPhysicsEngine();
ASSERT_TRUE(physics != NULL);
EXPECT_EQ(physics->GetType(), _physicsEngine);
physics->SetGravity(math::Vector3(0, 0, 0));
// simulate 1 step
world->Step(1);
double t = world->GetSimTime().Double();
// get time step size
double dt = world->GetPhysicsEngine()->GetMaxStepSize();
EXPECT_GT(dt, 0);
gzlog << "dt : " << dt << "\n";
// verify that time moves forward
EXPECT_DOUBLE_EQ(t, dt);
gzlog << "t after one step : " << t << "\n";
// get pointer to model
physics::ModelPtr model = world->GetModel("model_1");
while (!model)
{
model = world->GetModel("model_1");
gzdbg << "waiting for model_1 to spawn\n";
sleep(1);
}
world->SetPaused(false);
// intentionally break the joint using Link::SetWorldPose
// let it conflict with Physics pose updates and make sure
// internal model state stays consistent
double start_time;
double start_wall_time;
const double test_wall_duration = 2.0;
double elapsed_wall_time;
const double pub_rate = 10000.0;
physics::Link_V links;
links.push_back(model->GetLink("link_1"));
links.push_back(model->GetLink("link_2"));
links.push_back(model->GetLink("link_3"));
links.push_back(model->GetLink("link_4"));
links.push_back(model->GetLink("link_5"));
links.push_back(model->GetLink("link_2a"));
links.push_back(model->GetLink("link_2b"));
links.push_back(model->GetLink("link_3a"));
links.push_back(model->GetLink("link_4a"));
links.push_back(model->GetLink("link_5a"));
for (physics::Link_V::iterator li = links.begin(); li != links.end(); ++li)
{
EXPECT_TRUE((*li) != NULL);
}
physics::Joint_V joints;
joints.push_back(model->GetJoint("model_1::joint_01"));
joints.push_back(model->GetJoint("model_1::joint_12"));
// joints.push_back(model->GetJoint("model_1::joint_23"));
// joints.push_back(model->GetJoint("model_1::joint_34"));
// joints.push_back(model->GetJoint("model_1::joint_45"));
// joints.push_back(model->GetJoint("model_1::joint_52"));
joints.push_back(model->GetJoint("model_1::joint_22a"));
joints.push_back(model->GetJoint("model_1::joint_2a2b"));
// joints.push_back(model->GetJoint("model_1::joint_2b3a"));
// joints.push_back(model->GetJoint("model_1::joint_3a4a"));
// joints.push_back(model->GetJoint("model_1::joint_4a5a"));
// joints.push_back(model->GetJoint("model_1::joint_5a2b"));
for (physics::Joint_V::iterator ji = joints.begin(); ji != joints.end(); ++ji)
{
EXPECT_TRUE((*ji) != NULL);
}
world->SetPaused(false);
start_time = world->GetSimTime().Double();
start_wall_time = common::Time::GetWallTime().Double();
double last_update_wall_time = -1e16;
gzdbg << " -------------------------------------------------------------\n";
gzdbg << " Send random joint position commands for " << test_wall_duration
<< " secs, see how well Joint::SetPosition delas with random inputs.\n"
<< " The test is run such that we call Joint::SetPosition happens"
<< " in parallel with phsics update, leading to potential collision"
<< " with Link::SetWorldPose from ODEJoint::SetPosition.\n";
gzdbg << " Calling Joint::SetPosition at [" << pub_rate
<< "] Hz with real time duration.\n";
while (common::Time::GetWallTime().Double() <
start_wall_time + test_wall_duration)
{
// limit setting pose to some rate in wall time
if (common::Time::GetWallTime().Double() - last_update_wall_time
>= (1.0/pub_rate))
{
last_update_wall_time = common::Time::GetWallTime().Double();
for (physics::Joint_V::iterator ji = joints.begin();
ji != joints.end(); ++ji)
{
(*ji)->SetPosition(0,
static_cast<double>(rand_r(&seed))/static_cast<double>(RAND_MAX));
}
// gzdbg << "debug: running ["
// << common::Time::GetWallTime().Double()
// << " / " << start_wall_time + test_wall_duration
// << "]\n";
}
// gzdbg << "debug: " << common::Time::GetWallTime().Double()
// << " - " << last_update_wall_time
// << " >= " << (1.0/pub_rate) << "\n";
for (physics::Link_V::iterator li = links.begin();
li != links.end(); ++li)
{
math::Vector3 linVel = (*li)->GetWorldLinearVel();
math::Vector3 angVel = (*li)->GetWorldAngularVel();
EXPECT_NEAR(linVel.x, 0, TOL);
EXPECT_NEAR(linVel.y, 0, TOL);
EXPECT_NEAR(linVel.z, 0, TOL);
EXPECT_NEAR(angVel.x, 0, TOL);
EXPECT_NEAR(angVel.y, 0, TOL);
EXPECT_NEAR(angVel.z, 0, TOL);
}
}
double test_duration = world->GetSimTime().Double() - start_time;
elapsed_wall_time = common::Time::GetWallTime().Double() - start_wall_time;
gzdbg << " elapsed sim time [" << test_duration
<< "] elapsed wall time [" << elapsed_wall_time
<< "] sim performance [" << test_duration / elapsed_wall_time
<< "]\n";
}
// This test fails on OSX (see issue #1219)
// https://bitbucket.org/osrf/gazebo/issues/1219
#ifndef __APPLE__
TEST_P(JointKinematicTest, SetJointPositionThreadedTest)
{
SetJointPositionThreadedTest(GetParam());
}
#endif
//////////////////////////////////////////////////
void JointKinematicTest::SetJointPositionLoopJointTest(
const std::string &_physicsEngine)
{
// init random seed
srand(time(NULL));
unsigned int seed = time(NULL);
if (_physicsEngine == "bullet")
{
gzerr << "Bullet Joint::SetPosition affected by issue #1194.\n";
return;
}
if (_physicsEngine == "dart")
{
gzerr << "DART Joint::SetPosition not yet working.\n";
return;
}
if (_physicsEngine == "simbody")
{
gzerr << "Simbody Joint::SetPosition not yet working.\n";
return;
}
// Load our screw joint test world
Load("worlds/set_joint_position.world", true, _physicsEngine);
// Get a pointer to the world, make sure world loads
physics::WorldPtr world = physics::get_world("default");
ASSERT_TRUE(world != NULL);
// Verify physics engine type
physics::PhysicsEnginePtr physics = world->GetPhysicsEngine();
ASSERT_TRUE(physics != NULL);
EXPECT_EQ(physics->GetType(), _physicsEngine);
physics->SetGravity(math::Vector3(0, 0, 0));
// simulate 1 step
world->Step(1);
double t = world->GetSimTime().Double();
// get time step size
double dt = world->GetPhysicsEngine()->GetMaxStepSize();
EXPECT_GT(dt, 0);
gzlog << "dt : " << dt << "\n";
// verify that time moves forward
EXPECT_DOUBLE_EQ(t, dt);
gzlog << "t after one step : " << t << "\n";
// get pointer to model
physics::ModelPtr model = world->GetModel("model_1");
while (!model)
{
model = world->GetModel("model_1");
gzdbg << "waiting for model_1 to spawn\n";
sleep(1);
}
world->SetPaused(false);
// intentionally break the joint using Link::SetWorldPose
// let it conflict with Physics pose updates and make sure
// internal model state stays consistent
double start_time;
double start_wall_time;
const double iterations = 3;
double elapsed_wall_time;
const double pub_rate = 10000.0;
physics::Link_V links;
links.push_back(model->GetLink("link_1"));
links.push_back(model->GetLink("link_2"));
links.push_back(model->GetLink("link_3"));
links.push_back(model->GetLink("link_4"));
links.push_back(model->GetLink("link_5"));
links.push_back(model->GetLink("link_2a"));
links.push_back(model->GetLink("link_2b"));
links.push_back(model->GetLink("link_3a"));
links.push_back(model->GetLink("link_4a"));
links.push_back(model->GetLink("link_5a"));
for (physics::Link_V::iterator li = links.begin(); li != links.end(); ++li)
{
EXPECT_TRUE((*li) != NULL);
}
physics::Joint_V joints;
// joints.push_back(model->GetJoint("model_1::joint_01"));
// joints.push_back(model->GetJoint("model_1::joint_12"));
joints.push_back(model->GetJoint("model_1::joint_23"));
joints.push_back(model->GetJoint("model_1::joint_34"));
joints.push_back(model->GetJoint("model_1::joint_45"));
joints.push_back(model->GetJoint("model_1::joint_52"));
// joints.push_back(model->GetJoint("model_1::joint_22a"));
// joints.push_back(model->GetJoint("model_1::joint_2a2b"));
joints.push_back(model->GetJoint("model_1::joint_2b3a"));
joints.push_back(model->GetJoint("model_1::joint_3a4a"));
joints.push_back(model->GetJoint("model_1::joint_4a5a"));
joints.push_back(model->GetJoint("model_1::joint_5a2b"));
for (physics::Joint_V::iterator ji = joints.begin(); ji != joints.end(); ++ji)
{
EXPECT_TRUE((*ji) != NULL);
}
std::vector<math::Pose> linkPoses;
for (physics::Link_V::iterator li = links.begin();
li != links.end(); ++li)
linkPoses.push_back((*li)->GetWorldPose());
world->SetPaused(true);
start_time = world->GetSimTime().Double();
start_wall_time = common::Time::GetWallTime().Double();
double last_update_wall_time = -1e16;
gzdbg << " -------------------------------------------------------------\n";
gzdbg << " Send random joint position commands for " << iterations
<< " steps, see how well Joint::SetPosition delas with random inputs.\n"
<< " The test is run such that we call Joint::SetPosition in series"
<< " with World::Step, so there's no physics engine update collision"
<< " with Link::SetWorldPose from ODEJoint::SetPosition.\n";
gzdbg << " Calling Joint::SetPosition at [" << pub_rate
<< "] Hz with real time duration.\n";
for (int i = 0; i < iterations; ++i)
{
// limit setting pose to some rate in wall time
if (common::Time::GetWallTime().Double() - last_update_wall_time
>= (1.0/pub_rate))
{
last_update_wall_time = common::Time::GetWallTime().Double();
for (physics::Joint_V::iterator ji = joints.begin();
ji != joints.end(); ++ji)
{
(*ji)->SetPosition(0,
static_cast<double>(rand_r(&seed))/static_cast<double>(RAND_MAX));
}
// gzdbg << "debug: running ["
// << i << " / " << iterations
// << "]\n";
}
// step simulation
world->Step(1);
// gzdbg << "debug: " << common::Time::GetWallTime().Double()
// << " - " << last_update_wall_time
// << " >= " << (1.0/pub_rate) << "\n";
std::vector<math::Pose>::iterator pi = linkPoses.begin();
for (physics::Link_V::iterator li = links.begin();
li != links.end(); ++li, ++pi)
{
math::Pose pose = (*li)->GetWorldPose();
EXPECT_NEAR(pose.pos.x, pi->pos.x, TOL);
EXPECT_NEAR(pose.pos.y, pi->pos.y, TOL);
EXPECT_NEAR(pose.pos.z, pi->pos.z, TOL);
EXPECT_NEAR(pose.rot.w, pi->rot.w, TOL);
EXPECT_NEAR(pose.rot.x, pi->rot.x, TOL);
EXPECT_NEAR(pose.rot.y, pi->rot.y, TOL);
EXPECT_NEAR(pose.rot.z, pi->rot.z, TOL);
}
}
double test_duration = world->GetSimTime().Double() - start_time;
elapsed_wall_time = common::Time::GetWallTime().Double() - start_wall_time;
gzdbg << " elapsed sim time [" << test_duration
<< "] elapsed wall time [" << elapsed_wall_time
<< "] sim performance [" << test_duration / elapsed_wall_time
<< "]\n";
}
TEST_P(JointKinematicTest, SetJointPositionLoopJointTest)
{
SetJointPositionLoopJointTest(GetParam());
}
INSTANTIATE_TEST_CASE_P(PhysicsEngines, JointKinematicTest,
PHYSICS_ENGINE_VALUES);
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}