feat(web): automate native shader reader batches

my-tools/authorize_next_wbv2_task.py

@@ -427,6 +427,22 @@ def ensure_native_geometry_fixture(batch: dict, contract: dict) -> None:
         raise SystemExit(f"native geometry fixture preparation failed for {batch['moduleId']}:\n{result.stdout}{result.stderr}")
 
 
+def ensure_native_shader_fixture(batch: dict, contract: dict) -> None:
+    if not batch.get("nativeShaderFixture"):
+        return
+    digest = contract["batchId"].rsplit(":", 1)[-1]
+    fixture = Path(f"tests/files/web/generated/wbv2-shader-{digest}.blend")
+    batch["fixture"] = fixture.as_posix()
+    if (ROOT / fixture).is_file():
+        return
+    command = ["python3", "my-tools/generate_wbv2_shader_fixture.py", "--output", fixture.as_posix()]
+    for unit in batch["units"]:
+        command.extend(["--node", unit["identifier"]])
+    result = subprocess.run(command, cwd=ROOT, text=True, capture_output=True, check=False)
+    if result.returncode:
+        raise SystemExit(f"native shader fixture preparation failed for {batch['moduleId']}:\n{result.stdout}{result.stderr}")
+
+
 def native_geometry_batch(inventory: dict) -> dict | None:
     candidates = [
         unit for unit in inventory.get("units", [])
@@ -461,16 +477,26 @@ def native_geometry_batch(inventory: dict) -> dict | None:
     }
 
 
+def native_shader_batch(inventory: dict) -> dict | None:
+    candidates = [unit for unit in inventory.get("units", []) if isinstance(unit, dict) and unit.get("coverageStatus") != "VERIFIED" and unit.get("kind") == "node" and isinstance(unit.get("identifier"), str) and unit["identifier"].startswith("ShaderNode")]
+    if not candidates:
+        return None
+    units = candidates[:5]
+    return {"moduleId": "AUTO_SHADER_NATIVE_NODE_READER", "title": "verify auto-generated native shader node reader batch", "owner": "NODES", "identifiers": [u["identifier"] for u in units], "rna": [], "types": [u["identifier"] for u in units], "units": units, "candidateUnits": candidates, "nativeShaderFixture": True, "test": "web/tests/e2e/shader-main-reader-production.spec.ts", "production": "tests/golden/{task}/shader-main-reader-production.json", "adaptiveKey": "AUTO_SHADER_NATIVE_NODE_READER:LOCAL_EXACT:NODES", "adaptiveHistory": [], "adaptiveCurrentSize": len(units), "adaptiveNextSize": len(units), "adaptiveMinSize": 1, "adaptiveMaxSize": 5}
+
+
 def prepare_native_fixture(batch: dict, task: str, contract: dict) -> dict:
     """Generate a native fixture, shrinking only when Blender rejects a mix."""
-    if not (batch.get("nativeCompositorFixture") or batch.get("nativeGeometryFixture")):
+    if not (batch.get("nativeCompositorFixture") or batch.get("nativeGeometryFixture") or batch.get("nativeShaderFixture")):
         return contract
     while True:
         try:
             if batch.get("nativeCompositorFixture"):
                 ensure_native_compositor_fixture(batch, contract)
-            else:
+            elif batch.get("nativeGeometryFixture"):
                 ensure_native_geometry_fixture(batch, contract)
+            else:
+                ensure_native_shader_fixture(batch, contract)
             return contract
         except SystemExit:
             units = list(batch.get("units", []))
@@ -495,15 +521,18 @@ def recover_blocked_native_batch(current: str, index: dict, plan: dict, inventor
     module = record.get("module") if isinstance(record, dict) else None
     receipt_path = ROOT / "tests/golden" / current / "module-receipt.json"
     receipt = read_json(receipt_path) if receipt_path.is_file() else {}
-    if not isinstance(module, dict) or not str(module.get("moduleId", "")).startswith("AUTO_COMPOSITOR_NATIVE_NODE_READER"):
+    if not isinstance(module, dict) or not str(module.get("moduleId", "")).startswith(("AUTO_COMPOSITOR_NATIVE_NODE_READER", "AUTO_SHADER_NATIVE_NODE_READER")):
         return False
-    if receipt.get("status") != "BLOCKED" or len(receipt.get("selectedRecordIds", [])) <= 5:
+    if receipt.get("status") != "BLOCKED":
         return False
     by_id = {unit.get("id"): unit for unit in inventory.get("units", []) if isinstance(unit, dict)}
     selected_ids = list(receipt.get("selectedRecordIds", []))[:5]
     units = [by_id[unit_id] for unit_id in selected_ids if unit_id in by_id]
     if len(units) != len(selected_ids):
         return False
+    is_shader = str(module["moduleId"]).startswith("AUTO_SHADER")
+    if not is_shader and len(receipt.get("selectedRecordIds", [])) <= 5:
+        return False
     batch = {
         "moduleId": str(module["moduleId"]),
         "title": "recover native compositor node reader batch",
@@ -513,26 +542,31 @@ def recover_blocked_native_batch(current: str, index: dict, plan: dict, inventor
         "types": [unit["identifier"] for unit in units],
         "units": units,
         "nativeCompositorFixture": True,
-        "test": "web/tests/e2e/compositor-main-reader-production.spec.ts",
-        "production": "tests/golden/{task}/compositor-main-reader-production.json",
+        "test": "web/tests/e2e/shader-main-reader-production.spec.ts" if is_shader else "web/tests/e2e/compositor-main-reader-production.spec.ts",
+        "production": "tests/golden/{task}/shader-main-reader-production.json" if is_shader else "tests/golden/{task}/compositor-main-reader-production.json",
+        "nativeShaderFixture": is_shader,
+        "nativeCompositorFixture": not is_shader,
     }
     contract = batch_contract(current, batch)
-    ensure_native_compositor_fixture(batch, contract)
+    if is_shader:
+        ensure_native_shader_fixture(batch, contract)
+    else:
+        ensure_native_compositor_fixture(batch, contract)
     fixture = batch["fixture"]
     source_paths = [unit["locations"][0]["path"] for unit in units]
     source_paths += [
         "blender-5.2.0/source/blender/web_engine/web_engine_blend_reader.cpp",
-        "web/tests/e2e/compositor-main-reader-production.spec.ts",
+        batch["test"],
         fixture,
         "web/app/src/vendor/blender/web_engine.wasm",
     ]
     types = json.dumps(batch["types"], separators=(",", ":"))
     ids = json.dumps(selected_ids, separators=(",", ":"))
-    production = f"tests/golden/{current}/compositor-main-reader-production.json"
+    production = f"tests/golden/{current}/shader-main-reader-production.json" if is_shader else f"tests/golden/{current}/compositor-main-reader-production.json"
     command = (
         f"WBV2_BATCH_TASK={current} WBV2_BATCH_PRODUCTION={production} "
         f"WBV2_BATCH_FIXTURE={fixture} WBV2_BATCH_TYPES='{types}' WBV2_BATCH_UNITS='{ids}' "
-        "WEB_TEST_PORT=5371 npm --prefix web run test:e2e -- --workers=1 tests/e2e/compositor-main-reader-production.spec.ts"
+        f"WEB_TEST_PORT=5371 npm --prefix web run test:e2e -- --workers=1 {batch['test']}"
     )
     module.update({
         "batchId": contract["batchId"],
@@ -843,6 +877,9 @@ def select_batch(inventory: dict) -> dict:
     geometry = native_geometry_batch(inventory)
     if geometry:
         return geometry
+    shader = native_shader_batch(inventory)
+    if shader:
+        return shader
     summary = pending_summary(inventory)
     write_planner_status({
         "status": "waiting_for_exact_evidence",
@@ -885,6 +922,11 @@ def main() -> int:
         batch["fixture"] = f"tests/files/web/generated/wbv2-geometry-{digest}.blend"
         if args.write:
             contract = prepare_native_fixture(batch, module_task, contract)
+    if batch.get("nativeShaderFixture"):
+        digest = contract["batchId"].rsplit(":", 1)[-1]
+        batch["fixture"] = f"tests/files/web/generated/wbv2-shader-{digest}.blend"
+        if args.write:
+            ensure_native_shader_fixture(batch, contract)
     batch["batchId"] = contract["batchId"]
     write_planner_status({
         "status": "ready",

my-tools/generate_wbv2_shader_fixture.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+"""Generate a native Blender material node fixture for one WBV2 reader batch."""
+
+from __future__ import annotations
+
+import argparse
+import json
+import subprocess
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+NATIVE_BLENDER = ROOT / "build_blender_native/bin/blender"
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("--output", required=True)
+    parser.add_argument("--node", action="append", required=True)
+    args = parser.parse_args()
+    output = Path(args.output)
+    if output.is_absolute() or ".." in output.parts or output.suffix != ".blend" or not str(output).startswith("tests/files/web/"):
+        parser.error("--output must be a repository-relative .blend path under tests/files/web/")
+    nodes = list(dict.fromkeys(args.node))
+    if not nodes or any(not node.startswith("ShaderNode") or not node.replace("_", "").isalnum() for node in nodes):
+        parser.error("every --node must be a Blender ShaderNode identifier")
+    if not NATIVE_BLENDER.is_file():
+        raise SystemExit(f"native Blender fixture generator is unavailable: {NATIVE_BLENDER.relative_to(ROOT)}")
+    destination = ROOT / output
+    destination.parent.mkdir(parents=True, exist_ok=True)
+    script = (
+        "import bpy\n"
+        f"destination = {str(destination)!r}\n"
+        f"node_types = {nodes!r}\n"
+        "material = bpy.data.materials.new('WBV2 Shader Batch')\n"
+        "material.use_nodes = True\n"
+        "mesh = bpy.data.meshes.new('WBV2 Shader Mesh')\n"
+        "mesh.from_pydata([(-1,-1,0),(1,-1,0),(0,1,0)], [], [(0,1,2)])\n"
+        "obj = bpy.data.objects.new('WBV2 Shader Object', mesh)\n"
+        "bpy.context.collection.objects.link(obj)\n"
+        "obj.data.materials.append(material)\n"
+        "tree = material.node_tree\n"
+        "tree.nodes.clear()\n"
+        "for node_type in node_types:\n"
+        "    node = tree.nodes.new(node_type)\n"
+        "    node.name = 'WBV2 ' + node_type\n"
+        "bpy.ops.wm.save_as_mainfile(filepath=destination)\n"
+    )
+    result = subprocess.run([str(NATIVE_BLENDER), "--background", "--factory-startup", "--python-expr", script], cwd=ROOT, text=True, capture_output=True, check=False)
+    if result.returncode or not destination.is_file():
+        raise SystemExit(f"native shader fixture generation failed ({result.returncode}):\n{result.stdout}{result.stderr}")
+    print(json.dumps({"status": "PASS", "fixture": output.as_posix(), "nodes": nodes, "bytes": destination.stat().st_size}))
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())