Nimrod Gileadi
fae896c51b
The MSVC build on GH Actions doesn't detect overflows in mjData or mjModel sizes, so use a negative size instead to trigger an intentional failure in the test. PiperOrigin-RevId: 465529615 Change-Id: Ic7f15eed782cdda11b29984b136ed4f625418cc8
623 lines
18 KiB
C++
623 lines
18 KiB
C++
// Copyright 2021 DeepMind Technologies Limited
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Tests for engine/engine_io.c.
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#include "src/engine/engine_io.h"
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#include <array>
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#include <climits>
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#include <cstring>
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#include <string>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <absl/strings/str_format.h>
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#include <mujoco/mjxmacro.h>
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#include "src/engine/engine_util_errmem.h"
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#include "test/fixture.h"
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namespace mujoco {
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namespace {
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using ::testing::HasSubstr;
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using ::testing::IsNull;
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using ::testing::NotNull;
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using EngineIoTest = MujocoTest;
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// Return an mjModel with just the ints set.
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mjModel PartialModel(const mjModel* m) {
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mjModel partial_model = {0};
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#define X(var) partial_model.var = m->var;
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MJMODEL_INTS;
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#undef X
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partial_model.nbuffer = 0;
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return partial_model;
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}
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TEST_F(EngineIoTest, MakeDataFromPartialModel) {
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constexpr char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<joint/>
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<geom size="1"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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mjData* data_from_model = mj_makeData(model);
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ASSERT_THAT(data_from_model, NotNull());
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mjModel partial_model = PartialModel(model);
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mj_deleteModel(model);
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mjData* data_from_partial = mj_makeData(&partial_model);
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ASSERT_THAT(data_from_partial, NotNull());
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EXPECT_EQ(data_from_partial->nbuffer, data_from_model->nbuffer);
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// If there are no mocap bodies and qpos0 is all zero, mjData should be the
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// same whether it was made from the full model or the partial model.
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{
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MJDATA_POINTERS_PREAMBLE((&partial_model))
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#define X(type, name, nr, nc) \
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EXPECT_EQ(std::memcmp(data_from_partial->name, data_from_model->name, \
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sizeof(type)*(partial_model.nr)*(nc)), \
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0) << "mjData::" #name " differs";
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MJDATA_POINTERS
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#undef X
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}
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mj_deleteData(data_from_model);
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mj_deleteData(data_from_partial);
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}
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TEST_F(EngineIoTest, MakeDataLoadsQpos0) {
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constexpr char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<joint/>
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<geom size="1"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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model->qpos0[0] = 1;
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mjData* data = mj_makeData(model);
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ASSERT_THAT(data, NotNull());
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EXPECT_EQ(data->qpos[0], 1);
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mj_deleteData(data);
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mj_deleteModel(model);
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}
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TEST_F(EngineIoTest, MakeDataLoadsMocapBodies) {
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constexpr char xml[] = R"(
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<mujoco>
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<worldbody>
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<body mocap="true" pos="42 0 42">
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<geom type="sphere" size="0.1"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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mjData* data = mj_makeData(model);
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ASSERT_THAT(data, NotNull());
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EXPECT_EQ(data->mocap_pos[0], 42);
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mj_deleteData(data);
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mj_deleteModel(model);
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}
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TEST_F(EngineIoTest, CopyDataWithPartialModel) {
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constexpr char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<joint/>
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<geom size="1"/>
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</body>
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<body mocap="true" pos="42 0 42">
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<geom type="sphere" size="0.1"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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mjData* data = mj_makeData(model);
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ASSERT_THAT(data, NotNull());
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mjModel partial_model = PartialModel(model);
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mj_deleteModel(model);
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mjData* copy = mj_makeData(&partial_model);
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ASSERT_THAT(copy, NotNull());
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data->qpos[0] = 1;
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mj_copyData(copy, &partial_model, data);
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EXPECT_EQ(copy->nbuffer, data->nbuffer);
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EXPECT_EQ(copy->qpos[0], 1);
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{
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MJDATA_POINTERS_PREAMBLE((&partial_model))
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#define X(type, name, nr, nc) \
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EXPECT_EQ(std::memcmp(copy->name, data->name, \
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sizeof(type)*(partial_model.nr)*(nc)), \
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0) << "mjData::" #name " differs";
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MJDATA_POINTERS
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#undef X
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}
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mj_deleteData(data);
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mj_deleteData(copy);
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}
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TEST_F(EngineIoTest, MakeDataReturnsNullOnFailure) {
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constexpr char xml[] = "<mujoco/>";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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// fail mj_makeData intentionally with a bad size
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model->nbody = -1;
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static bool warning;
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warning = false;
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mju_user_warning = [](const char* error) {
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warning = true;
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};
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mjData* data = mj_makeData(model);
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EXPECT_THAT(data, IsNull());
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EXPECT_TRUE(warning) << "Expecting warning to be triggered.";
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mj_deleteData(data);
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mj_deleteModel(model);
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}
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using ValidateReferencesTest = MujocoTest;
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TEST_F(ValidateReferencesTest, BodyReferences) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<joint/>
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<geom size="1"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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model->jnt_bodyid[0] = 2;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("jnt_bodyid"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, AddressRange) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<joint/>
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<joint/>
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<geom size="1"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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model->body_jntnum[1] = 3;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("body_jntadr"));
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model->body_jntnum[1] = 2;
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// Could be more strict and test for -1, but at the moment the code is a bit
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// lenient.
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model->body_jntadr[1] = -2;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("body_jntadr"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, GeomCondim) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<joint/>
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<geom size="1" condim="6"/>
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</body>
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</worldbody>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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model->geom_condim[0] = 7;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("geom_condim"));
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model->geom_condim[0] = -1;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("geom_condim"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, HField) {
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static const char xml[] = R"(
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<mujoco>
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<asset>
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<hfield name="h" nrow="2" ncol="3" size="1 1 1 1" />
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</asset>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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model->hfield_adr[0] = -2;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("hfield_adr"));
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model->hfield_adr[0] = 0;
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model->hfield_ncol[0] = 4;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("hfield_adr"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, Texture) {
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static const char xml[] = R"(
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<mujoco>
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<asset>
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<texture name="t" type="2d" width="2" height="3" builtin="flat" />
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</asset>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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model->tex_adr[0] = -2;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("tex_adr"));
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model->tex_adr[0] = 0;
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model->tex_height[0] = 4;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("tex_adr"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, GeomPairs) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<geom name="geom0" size="1"/>
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</body>
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<body>
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<geom name="geom1" size="1"/>
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<geom name="geom2" size="1"/>
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<geom name="geom3" size="1"/>
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</body>
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</worldbody>
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<contact>
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<pair geom1="geom0" geom2="geom3"/>
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</contact>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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// Invalid geomid=4
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model->pair_signature[0] = (1 << 16) | 5;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("pair_body1"));
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model->pair_signature[0] = (5 << 16) | 1;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("pair_body2"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, SensorsAddress) {
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// The test will likely only catch sensor size errors for the last sensor
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// in the model, so iterate over possible last sensors, instead of adding
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// them all into the same model.
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static const char xml_template[] = R"(
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<mujoco>
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<worldbody>
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<body name="body1">
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<joint name="slider" type="slide" axis="0 0 1"
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limited="true" range="-.2 .5"/>
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<geom name="geom1" size="1"/>
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<site name="site1"/>
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</body>
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</worldbody>
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<sensor>
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%s
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</sensor>
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</mujoco>
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)";
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std::vector<std::string> sensor_strings{
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"<framepos objtype='site' objname='site1'/>",
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"<rangefinder site='site1'/>",
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"<gyro site='site1'/>",
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"<touch site='site1'/>",
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"<force site='site1'/>",
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"<torque site='site1'/>",
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"<jointlimitfrc joint='slider'/>",
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"<accelerometer site='site1'/>",
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"<subtreeangmom body='body1'/>",
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};
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for (const std::string& sensor_string : sensor_strings) {
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std::string xml = absl::StrFormat(xml_template, sensor_string);
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std::array<char, 1024> error;
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mjModel* model =
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LoadModelFromString(xml.c_str(), error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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mj_deleteModel(model);
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}
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}
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TEST_F(ValidateReferencesTest, SensorsObj) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body name="body1">
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<joint/>
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<geom size="1"/>
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<site name="site1"/>
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</body>
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</worldbody>
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<sensor>
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<framepos objtype="site" objname="site1" reftype="body" refname="body1"/>
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</sensor>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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model->sensor_objtype[0] = -1;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("sensor_objtype"));
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model->sensor_objtype[0] = mjOBJ_SITE;
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model->sensor_objid[0] = model->nsite;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("sensor_objid"));
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model->sensor_objid[0] = 0;
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model->sensor_reftype[0] = -1;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("sensor_reftype"));
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model->sensor_reftype[0] = mjOBJ_BODY;
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model->sensor_refid[0] = model->nbody;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("sensor_refid"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, MoreBodiesThanGeoms) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body>
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<geom name="geom0" size="1"/>
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</body>
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<body>
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<geom name="geom1" size="1"/>
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</body>
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</worldbody>
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<contact>
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<pair geom1="geom1" geom2="geom0"/>
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</contact>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, BodyExcludes) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body name="body1" />
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<body name="body2" />
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</worldbody>
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<contact>
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<exclude body1="body1" body2="body2"/>
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</contact>
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</mujoco>
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)";
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std::array<char, 1024> error;
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mjModel* model = LoadModelFromString(xml, error.data(), error.size());
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ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
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EXPECT_THAT(mj_validateReferences(model), IsNull());
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// Invalid bodyid=3
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model->exclude_signature[0] = (1 << 16) | 4;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("exclude_body1"));
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model->exclude_signature[0] = (4 << 16) | 2;
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EXPECT_THAT(mj_validateReferences(model), HasSubstr("exclude_body2"));
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mj_deleteModel(model);
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}
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TEST_F(ValidateReferencesTest, EqualityConstraints) {
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static const char xml[] = R"(
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<mujoco>
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<worldbody>
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<body name="body1">
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<joint name="joint1"/>
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<geom name="geom1" size="1"/>
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</body>
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|
<body name="body2">
|
|
<joint/>
|
|
<joint name="joint2"/>
|
|
<geom size="1"/>
|
|
<geom size="1"/>
|
|
<geom name="geom2" size="1"/>
|
|
</body>
|
|
</worldbody>
|
|
<tendon>
|
|
<fixed name="tendon1"><joint joint="joint1" coef="1"/></fixed>
|
|
<fixed><joint joint="joint1" coef="1"/></fixed>
|
|
<fixed><joint joint="joint1" coef="1"/></fixed>
|
|
<fixed><joint joint="joint1" coef="1"/></fixed>
|
|
<fixed name="tendon2"><joint joint="joint1" coef="1"/></fixed>
|
|
</tendon>
|
|
<equality>
|
|
<connect anchor="0 0 0" body1="body1" />
|
|
<weld body1="body1" body2="body2" />
|
|
<distance geom1="geom1" geom2="geom2" />
|
|
<joint joint1="joint1"/>
|
|
<joint joint1="joint1" joint2="joint2"/>
|
|
<tendon tendon1="tendon1"/>
|
|
<tendon tendon1="tendon1" tendon2="tendon2"/>
|
|
</equality>
|
|
</mujoco>
|
|
)";
|
|
|
|
std::array<char, 1024> error;
|
|
mjModel* model = LoadModelFromString(xml, error.data(), error.size());
|
|
ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
|
|
|
|
EXPECT_THAT(mj_validateReferences(model), IsNull());
|
|
|
|
// connect constraint
|
|
model->eq_obj1id[0] = -1;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj1id"));
|
|
model->eq_obj1id[0] = model->nbody;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj1id"));
|
|
model->eq_obj1id[0] = 1;
|
|
|
|
model->eq_obj2id[0] = -2;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj2id"));
|
|
model->eq_obj2id[0] = model->nbody;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj2id"));
|
|
model->eq_obj2id[0] = 0;
|
|
|
|
// weld constraint
|
|
model->eq_obj1id[1] = -1;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj1id"));
|
|
model->eq_obj1id[1] = model->nbody;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj1id"));
|
|
model->eq_obj1id[1] = 1;
|
|
|
|
model->eq_obj2id[1] = -2;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj2id"));
|
|
model->eq_obj2id[1] = model->nbody;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj2id"));
|
|
model->eq_obj2id[1] = model->nbody - 1;
|
|
|
|
// distance constraint
|
|
model->eq_obj1id[2] = -1;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj1id"));
|
|
model->eq_obj1id[2] = model->ngeom;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj1id"));
|
|
model->eq_obj1id[2] = 1;
|
|
|
|
model->eq_obj2id[2] = -1;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj2id"));
|
|
model->eq_obj2id[2] = model->ngeom;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("eq_obj2id"));
|
|
model->eq_obj2id[2] = model->ngeom - 1;
|
|
mj_deleteModel(model);
|
|
}
|
|
|
|
TEST_F(ValidateReferencesTest, Tuples) {
|
|
static const char xml[] = R"(
|
|
<mujoco>
|
|
<worldbody>
|
|
<body name="body1">
|
|
<joint name="joint1"/>
|
|
<geom size="1"/>
|
|
</body>
|
|
<body name="body2">
|
|
<joint/>
|
|
<joint name="joint2"/>
|
|
<geom size="1"/>
|
|
</body>
|
|
</worldbody>
|
|
<custom>
|
|
<tuple name="tuple">
|
|
<element objtype="body" objname="body1"/>
|
|
<element objtype="joint" objname="joint2"/>
|
|
</tuple>
|
|
</custom>
|
|
</mujoco>
|
|
)";
|
|
|
|
std::array<char, 1024> error;
|
|
mjModel* model = LoadModelFromString(xml, error.data(), error.size());
|
|
ASSERT_THAT(model, NotNull()) << "Failed to load model: " << error.data();
|
|
|
|
EXPECT_THAT(mj_validateReferences(model), IsNull());
|
|
|
|
model->tuple_objtype[0] = -1;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("tuple_objtype"));
|
|
model->tuple_objtype[0] = mjOBJ_BODY;
|
|
|
|
model->tuple_objid[0] = model->nbody;
|
|
EXPECT_THAT(mj_validateReferences(model), HasSubstr("tuple_objid"));
|
|
model->tuple_objid[0] = 1;
|
|
mj_deleteModel(model);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace mujoco
|