Don't use $HOME on most tests (InternalFixture)

src/ComponentFactory_TEST.cc

@@ -21,17 +21,14 @@
 #include "ignition/gazebo/components/Factory.hh"
 #include "ignition/gazebo/components/Pose.hh"
 
+#include "../test/helpers/EnvTestFixture.hh"
+
 using namespace ignition;
 using namespace gazebo;
 
 /////////////////////////////////////////////////
-class ComponentFactoryTest : public ::testing::Test
+class ComponentFactoryTest : public InternalFixture<::testing::Test>
 {
-  // Documentation inherited
-  protected: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
 };
 
 /////////////////////////////////////////////////

src/Component_TEST.cc

@@ -29,16 +29,14 @@
 #include "ignition/gazebo/components/Name.hh"
 #include "ignition/gazebo/EntityComponentManager.hh"
 
+#include "../test/helpers/EnvTestFixture.hh"
+
 using namespace ignition;
 using namespace gazebo;
 
 //////////////////////////////////////////////////
-class ComponentTest : public ::testing::Test
+class ComponentTest : public InternalFixture<::testing::Test>
 {
-  protected: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
 };
 
 //////////////////////////////////////////////////

src/EntityComponentManager_TEST.cc

@@ -25,6 +25,7 @@
 #include "ignition/gazebo/components/Pose.hh"
 #include "ignition/gazebo/EntityComponentManager.hh"
 #include "ignition/gazebo/config.hh"
+#include "../test/helpers/EnvTestFixture.hh"
 
 using namespace ignition;
 using namespace gazebo;
@@ -93,12 +94,9 @@ class EntityCompMgrTest : public EntityComponentManager
   }
 };
 
-class EntityComponentManagerFixture : public ::testing::TestWithParam<int>
+class EntityComponentManagerFixture
+  : public InternalFixture<::testing::TestWithParam<int>>
 {
-  public: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
   public: EntityCompMgrTest manager;
 };
 

src/SdfEntityCreator_TEST.cc

@@ -50,6 +50,8 @@
 #include "ignition/gazebo/components/World.hh"
 #include "ignition/gazebo/SdfEntityCreator.hh"
 
+#include "../test/helpers/EnvTestFixture.hh"
+
 using namespace ignition;
 using namespace gazebo;
 
@@ -63,12 +65,8 @@ class EntityCompMgrTest : public gazebo::EntityComponentManager
 };
 
 /////////////////////////////////////////////////
-class SdfEntityCreatorTest : public ::testing::Test
+class SdfEntityCreatorTest : public InternalFixture<::testing::Test>
 {
-  public: void SetUp() override
-  {
-    ignition::common::Console::SetVerbosity(4);
-  }
   public: EntityCompMgrTest ecm;
   public: EventManager evm;
 };

src/SdfGenerator_TEST.cc

@@ -40,6 +40,7 @@
 #include "ignition/gazebo/test_config.hh"
 
 #include "helpers/UniqueTestDirectoryEnv.hh"
+#include "helpers/EnvTestFixture.hh"
 
 #include "SdfGenerator.hh"
 
@@ -147,11 +148,11 @@ TEST(CompareElements, CompareWithDuplicateElements)
 }
 
 /////////////////////////////////////////////////
-class ElementUpdateFixture : public ::testing::Test
+class ElementUpdateFixture : public InternalFixture<::testing::Test>
 {
   public: void SetUp() override
   {
-    ignition::common::Console::SetVerbosity(4);
+    InternalFixture::SetUp();
 
     fuel_tools::ClientConfig config;
     config.SetCacheLocation(test::UniqueTestDirectoryEnv::Path());

src/ServerConfig.cc

@@ -870,17 +870,27 @@ ignition::gazebo::loadPluginInfo(bool _isPlayback)
     configFilename = "server.config";
   }
 
-  std::string defaultConfig;
-  ignition::common::env(IGN_HOMEDIR, defaultConfig);
-  defaultConfig = ignition::common::joinPaths(defaultConfig, ".ignition",
-    "gazebo", configFilename);
+  std::string defaultConfigDir;
+  ignition::common::env(IGN_HOMEDIR, defaultConfigDir);
+  defaultConfigDir = ignition::common::joinPaths(defaultConfigDir, ".ignition",
+    "gazebo");
+
+  auto defaultConfig = ignition::common::joinPaths(defaultConfigDir,
+      configFilename);
 
   if (!ignition::common::exists(defaultConfig))
   {
     auto installedConfig = ignition::common::joinPaths(
         IGNITION_GAZEBO_SERVER_CONFIG_PATH,
         configFilename);
 
+    if (!ignition::common::createDirectories(defaultConfigDir))
+    {
+      ignerr << "Failed to create directory [" << defaultConfigDir
+             << "]." << std::endl;
+      return ret;
+    }
+
     if (!ignition::common::exists(installedConfig))
     {
       ignerr << "Failed to copy installed config [" << installedConfig

src/ServerPrivate.cc

@@ -229,13 +229,11 @@ void ServerPrivate::AddRecordPlugin(const ServerConfig &_config)
   bool hasRecordPath {false};
   bool hasCompressPath {false};
   bool hasRecordResources {false};
-  bool hasCompress {false};
   bool hasRecordTopics {false};
 
   std::string sdfRecordPath;
   std::string sdfCompressPath;
   bool sdfRecordResources;
-  bool sdfCompress;
   std::vector<std::string> sdfRecordTopics;
 
   if (sdfUseLogRecord)
@@ -246,8 +244,6 @@ void ServerPrivate::AddRecordPlugin(const ServerConfig &_config)
       recordPluginElem->Get<std::string>("compress_path", "");
     std::tie(sdfRecordResources, hasRecordResources) =
       recordPluginElem->Get<bool>("record_resources", false);
-    std::tie(sdfCompress, hasCompress) =
-      recordPluginElem->Get<bool>("compress", false);
 
     hasRecordTopics = recordPluginElem->HasElement("record_topic");
     if (hasRecordTopics)

src/Server_TEST.cc

@@ -39,21 +39,15 @@
 
 #include "plugins/MockSystem.hh"
 #include "../test/helpers/Relay.hh"
+#include "../test/helpers/EnvTestFixture.hh"
 
 using namespace ignition;
 using namespace ignition::gazebo;
 using namespace std::chrono_literals;
 
-class ServerFixture : public ::testing::TestWithParam<int>
+/////////////////////////////////////////////////
+class ServerFixture : public InternalFixture<::testing::TestWithParam<int>>
 {
-  protected: void SetUp() override
-  {
-    // Augment the system plugin path.  In SetUp to avoid test order issues.
-    ignition::common::setenv("IGN_GAZEBO_SYSTEM_PLUGIN_PATH",
-           (std::string(PROJECT_BINARY_PATH) + "/lib").c_str());
-
-    ignition::common::Console::SetVerbosity(4);
-  }
 };
 
 /////////////////////////////////////////////////

src/SimulationRunner_TEST.cc

@@ -54,6 +54,7 @@
 #include "ignition/gazebo/Events.hh"
 #include "ignition/gazebo/Util.hh"
 #include "ignition/gazebo/config.hh"
+#include "../test/helpers/EnvTestFixture.hh"
 #include "SimulationRunner.hh"
 
 using namespace ignition;
@@ -79,16 +80,10 @@ IGN_GAZEBO_REGISTER_COMPONENT("ign_gazebo_components.DoubleComponent",
 }
 }
 
-class SimulationRunnerTest : public ::testing::TestWithParam<int>
+/////////////////////////////////////////////////
+class SimulationRunnerTest
+  : public InternalFixture<::testing::TestWithParam<int>>
 {
-  // Documentation inherited
-  protected: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-
-    common::setenv("IGN_GAZEBO_SYSTEM_PLUGIN_PATH",
-      common::joinPaths(PROJECT_BINARY_PATH, "lib"));
-  }
 };
 
 std::vector<msgs::Clock> clockMsgs;

src/TestFixture_TEST.cc

@@ -23,20 +23,15 @@
 #include "ignition/gazebo/components/Name.hh"
 #include "ignition/gazebo/ServerConfig.hh"
 #include "ignition/gazebo/test_config.hh"
+#include "../test/helpers/EnvTestFixture.hh"
 #include "ignition/gazebo/TestFixture.hh"
 
 using namespace ignition;
 using namespace gazebo;
 
 /////////////////////////////////////////////////
-class TestFixtureTest : public ::testing::Test
+class TestFixtureTest : public InternalFixture<::testing::Test>
 {
-  // Documentation inherited
-  public: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
-
   /// \brief Configure expectations
   public: void Configure(const Entity &_entity,
         const std::shared_ptr<const sdf::Element> &_sdf,

src/Util_TEST.cc

@@ -34,17 +34,14 @@
 #include "ignition/gazebo/EntityComponentManager.hh"
 #include "ignition/gazebo/Util.hh"
 
+#include "helpers/EnvTestFixture.hh"
+
 using namespace ignition;
 using namespace gazebo;
 
 /// \brief Tests for Util.hh
-class UtilTest : public ::testing::Test
+class UtilTest : public InternalFixture<::testing::Test>
 {
-  // Documentation inherited
-  protected: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
 };
 
 /////////////////////////////////////////////////

src/gui/plugins/joint_position_controller/JointPositionController_TEST.cc

@@ -40,6 +40,7 @@
 #include "ignition/gazebo/gui/GuiRunner.hh"
 #include "ignition/gazebo/EntityComponentManager.hh"
 #include "ignition/gazebo/test_config.hh"
+#include "../../../../test/helpers/EnvTestFixture.hh"
 
 #include "JointPositionController.hh"
 
@@ -49,13 +50,8 @@ char **g_argv;
 using namespace ignition;
 
 /// \brief Tests for the joint position controller GUI plugin
-class JointPositionControllerGui : public ::testing::Test
+class JointPositionControllerGui : public InternalFixture<::testing::Test>
 {
-  // Documentation inherited
-  protected: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
 };
 
 /////////////////////////////////////////////////

src/gui/plugins/plot_3d/Plot3D_TEST.cc

@@ -39,6 +39,7 @@
 #include "ignition/gazebo/components/ParentEntity.hh"
 #include "ignition/gazebo/EntityComponentManager.hh"
 #include "ignition/gazebo/test_config.hh"
+#include "../../../../test/helpers/EnvTestFixture.hh"
 
 // Use this when forward-porting to v6
 // #include "../../GuiRunner.hh"
@@ -55,13 +56,8 @@ char* g_argv[] =
 using namespace ignition;
 
 /// \brief Tests for the joint position controller GUI plugin
-class Plot3D : public ::testing::Test
+class Plot3D : public InternalFixture<::testing::Test>
 {
-  // Documentation inherited
-  protected: void SetUp() override
-  {
-    common::Console::SetVerbosity(4);
-  }
 };
 
 /////////////////////////////////////////////////

src/systems/physics/EntityFeatureMap_TEST.cc

@@ -30,6 +30,7 @@
 #include <ignition/physics/config.hh>
 #include <ignition/plugin/Loader.hh>
 
+#include "../../../test/helpers/EnvTestFixture.hh"
 #include "ignition/gazebo/EntityComponentManager.hh"
 
 using namespace ignition;
@@ -46,10 +47,12 @@ using EnginePtrType =
     physics::EnginePtr<physics::FeaturePolicy3d, MinimumFeatureList>;
 
 
-class EntityFeatureMapFixture: public ::testing::Test
+class EntityFeatureMapFixture: public InternalFixture<::testing::Test>
 {
   protected: void SetUp() override
   {
+    InternalFixture::SetUp();
+
     const std::string pluginLib = "libignition-physics-dartsim-plugin.so";
 
     common::SystemPaths systemPaths;

test/helpers/EnvTestFixture.hh

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2021 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.
+ *
+*/
+#ifndef IGNITION_GAZEBO_TEST_HELPERS_ENVTESTFIXTURE_HH_
+#define IGNITION_GAZEBO_TEST_HELPERS_ENVTESTFIXTURE_HH_
+
+#include <gtest/gtest.h>
+
+#include <ignition/common/Console.hh>
+#include <ignition/common/Filesystem.hh>
+#include <ignition/common/Util.hh>
+#include "ignition/gazebo/test_config.hh"
+
+using namespace ignition;
+
+/// \brief Common test setup for various tests
+template <typename TestType>
+class InternalFixture : public TestType
+{
+  // Documentation inherited
+  protected: void SetUp() override
+  {
+    // Augment the system plugin path.  In SetUp to avoid test order issues.
+    common::setenv("IGN_GAZEBO_SYSTEM_PLUGIN_PATH",
+           common::joinPaths(std::string(PROJECT_BINARY_PATH), "lib").c_str());
+
+    common::Console::SetVerbosity(4);
+
+    // Change environment variable so that test files aren't written to $HOME
+    common::env(IGN_HOMEDIR, this->realHome);
+    EXPECT_TRUE(common::setenv(IGN_HOMEDIR, this->kFakeHome.c_str()));
+  }
+
+  // Documentation inherited
+  protected: void TearDown() override
+  {
+    // Restore $HOME
+    EXPECT_TRUE(common::setenv(IGN_HOMEDIR, this->realHome.c_str()));
+  }
+
+  /// \brief Directory to act as $HOME for tests
+  public: const std::string kFakeHome = common::joinPaths(PROJECT_BINARY_PATH,
+      "test", "fake_home");
+
+  /// \brief Store user's real $HOME to set it back at the end of tests.
+  public: std::string realHome;
+};
+#endif