Continue Blender Web parity task handoff

tools/web/check-action-armature-collection-select-desktop.py

@@ -0,0 +1,147 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import os
+import pathlib
+import shutil
+import sys
+import tempfile
+
+import bpy
+
+
+ARMATURE_NAME = "WebGapArmatureCollectionSelectArmature"
+OBJECT_NAME = "WebGapArmatureCollectionSelectObject"
+FIRST_COLLECTION = "WebGapArmatureCollectionSelectFirst"
+ACTIVE_COLLECTION = "WebGapArmatureCollectionSelectActive"
+LAST_COLLECTION = "WebGapArmatureCollectionSelectLast"
+FIRST_BONE = "WebGapArmatureCollectionSelectFirstBone"
+ACTIVE_BONE = "WebGapArmatureCollectionSelectActiveBone"
+LAST_BONE = "WebGapArmatureCollectionSelectLastBone"
+
+
+def ensure_edit_mode():
+    obj = bpy.data.objects.get(OBJECT_NAME)
+    armature = bpy.data.armatures.get(ARMATURE_NAME)
+    if armature is None or obj is None or obj.type != "ARMATURE" or obj.data != armature:
+        raise RuntimeError("armature.collection_select fixture is missing")
+    bpy.context.view_layer.objects.active = obj
+    obj.select_set(True)
+    if obj.mode != "EDIT":
+        bpy.ops.object.mode_set(mode="EDIT")
+    return armature
+
+
+def state_report():
+    armature = ensure_edit_mode()
+    obj = bpy.data.objects[OBJECT_NAME]
+    bones = sorted(bone.name for bone in armature.edit_bones)
+    selected_bones = sorted(bone.name for bone in armature.edit_bones if bone.select)
+    bpy.ops.object.mode_set(mode="OBJECT")
+    collections = []
+    for index, collection in enumerate(armature.collections):
+        collections.append(
+            {
+                "name": collection.name,
+                "index": index,
+                "bones": sorted(bone.name for bone in collection.bones),
+            }
+        )
+    bpy.context.view_layer.objects.active = obj
+    bpy.ops.object.mode_set(mode="EDIT")
+    return {
+        "object": OBJECT_NAME,
+        "armature": ARMATURE_NAME,
+        "activeIndex": armature.collections.active_index,
+        "bones": bones,
+        "selectedBones": selected_bones,
+        "collections": collections,
+    }
+
+
+def run_operator(already_selected):
+    ensure_edit_mode()
+    poll = bool(bpy.ops.armature.collection_select.poll())
+    if not poll:
+        raise RuntimeError("ARMATURE_OT_collection_select poll failed")
+    if not already_selected:
+        result = bpy.ops.armature.collection_select()
+        if result != {"FINISHED"}:
+            raise RuntimeError(f"ARMATURE_OT_collection_select returned {result}")
+    return poll, not already_selected
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit(
+            "usage: blender -b --factory-startup --python check-action-armature-collection-select-desktop.py -- FIXTURE REPORT"
+        )
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
+    before = state_report()
+    expected_collections = [FIRST_COLLECTION, ACTIVE_COLLECTION, LAST_COLLECTION]
+    if [collection["name"] for collection in before["collections"]] != expected_collections:
+        raise RuntimeError(f"unexpected collection_select collections: {before}")
+    if before["activeIndex"] != 1:
+        raise RuntimeError(f"unexpected collection_select active index: {before}")
+    selected_before = set(before["selectedBones"])
+    if selected_before == {FIRST_BONE, ACTIVE_BONE}:
+        already_selected = True
+    elif selected_before == {FIRST_BONE}:
+        already_selected = False
+    else:
+        raise RuntimeError(f"unexpected collection_select selection input: {before}")
+    poll, changed = run_operator(already_selected)
+    after = state_report()
+    if after["activeIndex"] != 1 or after["selectedBones"] != sorted([FIRST_BONE, ACTIVE_BONE]):
+        raise RuntimeError(f"collection_select did not select the active collection: {after}")
+    expected_members = {
+        FIRST_COLLECTION: [FIRST_BONE],
+        ACTIVE_COLLECTION: [ACTIVE_BONE],
+        LAST_COLLECTION: [LAST_BONE],
+    }
+    actual_members = {collection["name"]: collection["bones"] for collection in after["collections"]}
+    if actual_members != expected_members:
+        raise RuntimeError(f"collection_select changed collection membership: {after}")
+
+    bpy.ops.object.mode_set(mode="OBJECT")
+    descriptor, temporary = tempfile.mkstemp(prefix="m16-armature-collection-select-reopen-", suffix=".blend")
+    os.close(descriptor)
+    temporary_path = pathlib.Path(temporary)
+    try:
+        bpy.ops.wm.save_as_mainfile(filepath=str(temporary_path), check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=str(temporary_path), load_ui=False)
+        reopened = state_report()
+        if reopened != after:
+            raise RuntimeError(f"armature.collection_select save/reopen drift: {after} != {reopened}")
+        shutil.copyfile(temporary_path, fixture)
+        report = {
+            "schemaVersion": 1,
+            "task": "M16-GAP-00228",
+            "operation": "ARMATURE_COLLECTION_SELECT_DESKTOP",
+            "fixture": str(fixture),
+            "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+            "before": before,
+            "after": reopened,
+            "selectedCollection": ACTIVE_COLLECTION,
+            "alreadySelected": already_selected,
+            "poll": poll,
+            "operatorStatus": "FINISHED" if changed else "SKIPPED_ALREADY_APPLIED",
+            "mainMutation": "ACTIVE_COLLECTION_SELECTED" if changed else "ACTIVE_COLLECTION_ALREADY_SELECTED",
+            "saveReopen": "EXACT",
+            "blenderVersion": bpy.app.version_string,
+        }
+        output.parent.mkdir(parents=True, exist_ok=True)
+        output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+        print("armature-collection-select-desktop-ok poll=true selected=active saveReopen=exact")
+    finally:
+        temporary_path.unlink(missing_ok=True)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"armature-collection-select-desktop-failed: {error}")
+        raise SystemExit(1)