Anim: Add basic autokey tests

Add basic unit tests for the auto keying system.

Part of #113278

Pull Request: https://projects.blender.org/blender/blender/pulls/115064

tests/python/bl_animation_keyframing.py

@@ -42,6 +42,29 @@ def _create_animation_object():
     return anim_object
 
 
+_BONE_NAME = "bone"
+
+
+def _create_armature():
+    armature = bpy.data.armatures.new("anim_armature")
+    armature_obj = bpy.data.objects.new("anim_object", armature)
+    bpy.context.scene.collection.objects.link(armature_obj)
+    bpy.context.view_layer.objects.active = armature_obj
+    armature_obj.select_set(True)
+
+    bpy.ops.object.mode_set(mode='EDIT')
+    edit_bone = armature.edit_bones.new(_BONE_NAME)
+    edit_bone.head = (1, 0, 0)
+    bpy.ops.object.mode_set(mode='POSE')
+    armature_obj.pose.bones[_BONE_NAME].rotation_mode = "XYZ"
+    armature_obj.pose.bones[_BONE_NAME].bone.select = True
+    armature_obj.pose.bones[_BONE_NAME].bone.select_head = True
+    armature_obj.pose.bones[_BONE_NAME].bone.select_tail = True
+    bpy.ops.object.mode_set(mode='OBJECT')
+
+    return armature_obj
+
+
 def _insert_by_name_test(insert_key: str, expected_paths: list):
     keyed_object = _create_animation_object()
     with bpy.context.temp_override(**_get_view3d_context()):
@@ -240,6 +263,59 @@ class CycleAwareKeyingTest(AbstractKeyframingTest, unittest.TestCase):
         bpy.data.objects.remove(keyed_object, do_unlink=True)
 
 
+class AutoKeyframingTest(AbstractKeyframingTest, unittest.TestCase):
+
+    def test_autokey_basic(self):
+        keyed_object = _create_animation_object()
+        bpy.context.scene.tool_settings.use_keyframe_insert_auto = True
+        bpy.context.preferences.edit.use_keyframe_insert_available = False
+        with bpy.context.temp_override(**_get_view3d_context()):
+            bpy.ops.transform.translate(value=(1, 0, 0))
+
+        action = keyed_object.animation_data.action
+        self.assertTrue(_fcurve_paths_match(action.fcurves, ["location", "rotation_euler", "scale"]))
+        bpy.data.objects.remove(keyed_object, do_unlink=True)
+
+    def test_autokey_available(self):
+        keyed_object = _create_animation_object()
+
+        bpy.context.scene.tool_settings.use_keyframe_insert_auto = True
+        bpy.context.preferences.edit.use_keyframe_insert_available = True
+
+        with bpy.context.temp_override(**_get_view3d_context()):
+            bpy.context.scene.frame_set(1)
+            bpy.ops.anim.keyframe_insert_by_name(type="Location")
+            bpy.context.scene.frame_set(5)
+            bpy.ops.transform.translate(value=(1, 0, 0))
+
+        action = keyed_object.animation_data.action
+        self.assertTrue(_fcurve_paths_match(action.fcurves, ["location"]))
+
+        for fcurve in action.fcurves:
+            self.assertEqual(len(fcurve.keyframe_points), 2)
+
+        bpy.context.preferences.edit.use_keyframe_insert_available = False
+        bpy.data.objects.remove(keyed_object, do_unlink=True)
+
+    def test_autokey_bone(self):
+        armature_obj = _create_armature()
+        bpy.context.scene.tool_settings.use_keyframe_insert_auto = True
+        bpy.context.preferences.edit.use_keyframe_insert_available = False
+
+        bpy.ops.object.mode_set(mode='POSE')
+        # Not overriding the context because it would mean context.selected_pose_bones is empty
+        # resulting in a failure to move/key the bone
+        bpy.ops.transform.translate(value=(1, 0, 0))
+        bpy.ops.object.mode_set(mode='OBJECT')
+
+        action = armature_obj.animation_data.action
+        bone_path = f"pose.bones[\"{_BONE_NAME}\"]"
+        expected_paths = [f"{bone_path}.location", f"{bone_path}.rotation_euler", f"{bone_path}.scale"]
+        self.assertTrue(_fcurve_paths_match(action.fcurves, expected_paths))
+
+        bpy.data.objects.remove(armature_obj, do_unlink=True)
+
+
 def main():
     global args
     import argparse