add testing for blend-files

tests/blendfile_templates.py

@@ -0,0 +1,63 @@
+# Apache License, Version 2.0
+
+# Pass in:
+#
+#    blender --python blendfile_templates.py -- destination/file.blend create_command return_code
+#
+# 'return_code' can be any number, use to check the script completes.
+
+
+def _clear_blend():
+    import bpy
+
+    # copied from batch_import.py
+    unique_obs = set()
+    for scene in bpy.data.scenes:
+        for obj in scene.objects[:]:
+            scene.objects.unlink(obj)
+            unique_obs.add(obj)
+
+    # remove obdata, for now only worry about the startup scene
+    for bpy_data_iter in (bpy.data.objects, bpy.data.meshes, bpy.data.lamps, bpy.data.cameras):
+        for id_data in bpy_data_iter:
+            bpy_data_iter.remove(id_data)
+
+
+def create_blank():
+    pass
+
+
+def create_image_single():
+    import bpy
+    image = bpy.data.images.new(name="MyImage", width=512, height=512)
+    image.filepath_raw = "//my_image.png"
+    image.file_format = 'PNG'
+    image.use_fake_user = True
+    image.save()
+
+
+if __name__ == "__main__":
+    import sys
+    blendfile, create_id, returncode = sys.argv[-3:]
+    returncode = int(returncode)
+    create_fn = globals()[create_id]
+
+    # ----
+    import bpy
+    # no need for blend1's
+    bpy.context.user_preferences.filepaths.save_version = 0
+    # WEAK! (but needed)
+    # save the file first, so we can do real, relative dirs
+    bpy.ops.wm.save_mainfile('EXEC_DEFAULT', filepath=blendfile)
+    del bpy
+    # ----
+
+    _clear_blend()
+    create_fn()
+
+    import bpy
+    bpy.ops.wm.save_mainfile('EXEC_DEFAULT', filepath=blendfile)
+
+    import sys
+    sys.exit(returncode)
+