Tests: move remaining gtests into their own module folders

And make them part of the blender_test runner. The one exception is blenlib
performance tests, which we don't want to run by default. They remain in their
own executable.

Differential Revision: https://developer.blender.org/D8498

source/blender/blenloader/CMakeLists.txt

@@ -98,3 +98,17 @@ blender_add_lib(bf_blenloader "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
 
 # needed so writefile.c can use dna_type_offsets.h
 add_dependencies(bf_blenloader bf_dna)
+
+if(WITH_GTESTS)
+  set(TEST_SRC
+    tests/blendfile_loading_base_test.cc
+    tests/blendfile_load_test.cc
+  )
+  set(TEST_INC
+  )
+  set(TEST_LIB
+    bf_blenloader
+  )
+  include(GTestTesting)
+  blender_add_test_lib(bf_blenloader_tests "${TEST_SRC}" "${INC};${TEST_INC}" "${INC_SYS}" "${LIB};${TEST_LIB}")
+endif()

source/blender/blenloader/tests/blendfile_load_test.cc

@@ -0,0 +1,31 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2019 by Blender Foundation.
+ */
+#include "blendfile_loading_base_test.h"
+
+class BlendfileLoadingTest : public BlendfileLoadingBaseTest {
+};
+
+TEST_F(BlendfileLoadingTest, CanaryTest)
+{
+  /* Load the smallest blend file we have in the SVN lib/tests directory. */
+  if (!blendfile_load("modifier_stack/array_test.blend")) {
+    return;
+  }
+  depsgraph_create(DAG_EVAL_RENDER);
+  EXPECT_NE(nullptr, this->depsgraph);
+}

source/blender/blenloader/tests/blendfile_loading_base_test.cc

@@ -0,0 +1,162 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2019 by Blender Foundation.
+ */
+#include "blendfile_loading_base_test.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BKE_appdir.h"
+#include "BKE_blender.h"
+#include "BKE_context.h"
+#include "BKE_global.h"
+#include "BKE_idtype.h"
+#include "BKE_image.h"
+#include "BKE_main.h"
+#include "BKE_modifier.h"
+#include "BKE_node.h"
+#include "BKE_scene.h"
+
+#include "BLI_path_util.h"
+#include "BLI_threads.h"
+
+#include "BLO_readfile.h"
+
+#include "DEG_depsgraph.h"
+#include "DEG_depsgraph_build.h"
+
+#include "DNA_genfile.h" /* for DNA_sdna_current_init() */
+#include "DNA_windowmanager_types.h"
+
+#include "IMB_imbuf.h"
+
+#include "RNA_define.h"
+
+#include "WM_api.h"
+#include "wm.h"
+
+BlendfileLoadingBaseTest::~BlendfileLoadingBaseTest()
+{
+}
+
+void BlendfileLoadingBaseTest::SetUpTestCase()
+{
+  testing::Test::SetUpTestCase();
+
+  /* Minimal code to make loading a blendfile and constructing a depsgraph not crash, copied from
+   * main() in creator.c. */
+  BLI_threadapi_init();
+
+  DNA_sdna_current_init();
+  BKE_blender_globals_init();
+
+  BKE_idtype_init();
+  IMB_init();
+  BKE_images_init();
+  BKE_modifier_init();
+  DEG_register_node_types();
+  RNA_init();
+  init_nodesystem();
+
+  G.background = true;
+  G.factory_startup = true;
+
+  /* Allocate a dummy window manager. The real window manager will try and load Python scripts from
+   * the release directory, which it won't be able to find. */
+  ASSERT_EQ(G.main->wm.first, nullptr);
+  G.main->wm.first = MEM_callocN(sizeof(wmWindowManager), __func__);
+}
+
+void BlendfileLoadingBaseTest::TearDownTestCase()
+{
+  if (G.main->wm.first != nullptr) {
+    MEM_freeN(G.main->wm.first);
+    G.main->wm.first = nullptr;
+  }
+
+  /* Copied from WM_exit_ex() in wm_init_exit.c, and cherry-picked those lines that match the
+   * allocation/initialization done in SetUpTestCase(). */
+  BKE_blender_free();
+  RNA_exit();
+
+  DEG_free_node_types();
+  DNA_sdna_current_free();
+  BLI_threadapi_exit();
+
+  BKE_blender_atexit();
+
+  BKE_tempdir_session_purge();
+
+  testing::Test::TearDownTestCase();
+}
+
+void BlendfileLoadingBaseTest::TearDown()
+{
+  depsgraph_free();
+  blendfile_free();
+
+  testing::Test::TearDown();
+}
+
+bool BlendfileLoadingBaseTest::blendfile_load(const char *filepath)
+{
+  const std::string &test_assets_dir = blender::tests::flags_test_asset_dir();
+  if (test_assets_dir.empty()) {
+    return false;
+  }
+
+  char abspath[FILENAME_MAX];
+  BLI_path_join(abspath, sizeof(abspath), test_assets_dir.c_str(), filepath, NULL);
+
+  bfile = BLO_read_from_file(abspath, BLO_READ_SKIP_NONE, NULL /* reports */);
+  if (bfile == nullptr) {
+    ADD_FAILURE() << "Unable to load file '" << filepath << "' from test assets dir '"
+                  << test_assets_dir << "'";
+    return false;
+  }
+  return true;
+}
+
+void BlendfileLoadingBaseTest::blendfile_free()
+{
+  if (bfile == nullptr) {
+    return;
+  }
+
+  wmWindowManager *wm = static_cast<wmWindowManager *>(bfile->main->wm.first);
+  if (wm != nullptr) {
+    wm_close_and_free(NULL, wm);
+  }
+  BLO_blendfiledata_free(bfile);
+  bfile = nullptr;
+}
+
+void BlendfileLoadingBaseTest::depsgraph_create(eEvaluationMode depsgraph_evaluation_mode)
+{
+  depsgraph = DEG_graph_new(
+      bfile->main, bfile->curscene, bfile->cur_view_layer, depsgraph_evaluation_mode);
+  DEG_graph_build_from_view_layer(depsgraph, bfile->main, bfile->curscene, bfile->cur_view_layer);
+  BKE_scene_graph_update_tagged(depsgraph, bfile->main);
+}
+
+void BlendfileLoadingBaseTest::depsgraph_free()
+{
+  if (depsgraph == nullptr) {
+    return;
+  }
+  DEG_graph_free(depsgraph);
+  depsgraph = nullptr;
+}

source/blender/blenloader/tests/blendfile_loading_base_test.h

@@ -0,0 +1,64 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2019 by Blender Foundation.
+ */
+#ifndef __BLENDFILE_LOADING_BASE_TEST_H__
+#define __BLENDFILE_LOADING_BASE_TEST_H__
+
+#include "DEG_depsgraph.h"
+#include "testing/testing.h"
+
+struct BlendFileData;
+struct Depsgraph;
+
+class BlendfileLoadingBaseTest : public testing::Test {
+ protected:
+  struct BlendFileData *bfile = nullptr;
+  struct Depsgraph *depsgraph = nullptr;
+
+ public:
+  virtual ~BlendfileLoadingBaseTest();
+
+  /* Sets up Blender just enough to not crash on loading
+   * a blendfile and constructing a depsgraph. */
+  static void SetUpTestCase();
+  static void TearDownTestCase();
+
+ protected:
+  /* Frees the depsgraph & blendfile. */
+  virtual void TearDown();
+
+  /* Loads a blend file from the lib/tests directory from SVN.
+   * Returns 'ok' flag (true=good, false=bad) and sets this->bfile.
+   * Fails the test if the file cannot be loaded (still returns though).
+   * Requires the CLI argument --test-asset-dir to point to ../../lib/tests.
+   *
+   * WARNING: only files saved with Blender 2.80+ can be loaded. Since Blender
+   * is only partially initialized (most importantly, without window manager),
+   * the space types are not registered, so any versioning code that handles
+   * those will SEGFAULT.
+   */
+  bool blendfile_load(const char *filepath);
+  /* Free bfile if it is not nullptr. */
+  void blendfile_free();
+
+  /* Create a depsgraph. Assumes a blend file has been loaded to this->bfile. */
+  void depsgraph_create(eEvaluationMode depsgraph_evaluation_mode);
+  /* Free the depsgraph if it's not nullptr. */
+  void depsgraph_free();
+};
+
+#endif /* __BLENDFILE_LOADING_BASE_TEST_H__ */