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diff --git a/source/blender/blenloader/tests/blendfile_loading_base_test.h b/source/blender/blenloader/tests/blendfile_loading_base_test.h
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+++ b/source/blender/blenloader/tests/blendfile_loading_base_test.h
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+/*
+ * 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__ */