111 lines
6.0 KiB
JavaScript
111 lines
6.0 KiB
JavaScript
import assert from "node:assert/strict";
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import crypto from "node:crypto";
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import fs from "node:fs";
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import os from "node:os";
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import path from "node:path";
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import { spawnSync } from "node:child_process";
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import { fileURLToPath } from "node:url";
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const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
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const manifestPath = path.join(root, "tests/golden/M12-07B/manifest.json");
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const reportPath = path.join(root, "tests/golden/M12-07B/desktop-fixtures.json");
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const fixtureRoot = path.join(root, "tests/files/web/m12_obj_multi_v1");
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const generator = path.join(root, "tools/web/generate-obj-multi-negative-fixtures.py");
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const blender = process.env.BLENDER_BIN ?? path.join(root, "build_blender_5.2.0/bin/blender");
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const sha256 = (bytes) => crypto.createHash("sha256").update(bytes).digest("hex");
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const fileHash = (file) => sha256(fs.readFileSync(file));
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const readJson = (file) => JSON.parse(fs.readFileSync(file, "utf8"));
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function parseObj(file) {
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const positions = [];
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const texcoords = [];
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const normals = [];
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const faces = [];
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const groups = [];
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let object = null;
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let material = null;
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for (const raw of fs.readFileSync(file, "utf8").split(/\r?\n/)) {
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const line = raw.trim();
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if (!line || line.startsWith("#")) continue;
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const parts = line.split(/\s+/);
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if (parts[0] === "v") positions.push(parts.slice(1));
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else if (parts[0] === "vt") texcoords.push(parts.slice(1));
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else if (parts[0] === "vn") normals.push(parts.slice(1));
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else if (parts[0] === "g") {
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for (const group of parts.slice(1)) {
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groups.push(group);
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if (group.endsWith("_Mesh")) object = group;
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}
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}
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else if (parts[0] === "usemtl") material = parts.slice(1).join(" ");
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else if (parts[0] === "f") faces.push({ object, material, tokens: parts.slice(1) });
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}
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return { positions, texcoords, normals, groups, objects: [...new Set(faces.map((face) => face.object).filter(Boolean))], faces };
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}
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const manifest = readJson(manifestPath);
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const report = readJson(reportPath);
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assert.deepEqual(
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{ schemaVersion: manifest.schemaVersion, task: manifest.task, parentTask: manifest.parentTask, nextTask: manifest.nextTask },
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{ schemaVersion: 1, task: "M12-07B", parentTask: "M12-07A", nextTask: "M12-07C" },
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);
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assert.deepEqual(
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{ schemaVersion: report.schemaVersion, task: report.task, operation: report.operation, nextTask: report.nextTask },
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{ schemaVersion: 1, task: "M12-07B", operation: "DESKTOP_OBJ_MULTI_OBJECT_AND_NEGATIVE_FIXTURES", nextTask: "M12-07C" },
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);
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for (const artifact of Object.values(manifest.artifacts)) {
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if (artifact.path === manifestPath) continue;
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const absolute = path.join(root, artifact.path);
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assert.ok(fs.existsSync(absolute), `missing artifact ${artifact.path}`);
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assert.equal(fileHash(absolute), artifact.sha256, `hash mismatch ${artifact.path}`);
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}
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const inventory = readJson(path.join(root, "tests/golden/M12-05A/format-inventory.json"));
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for (const key of ["blenderVersion", "versionTuple", "buildDate", "buildTime", "buildHash", "buildBranch", "buildPlatform", "buildType", "binarySha256"]) {
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assert.deepEqual(report.runtime[key], inventory.runtime[key], `runtime drift in ${key}`);
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}
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assert.equal(report.semantic.objects.length, 2);
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assert.equal(report.semantic.positions.length, 6);
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assert.equal(report.semantic.texcoords.length, 6);
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assert.equal(report.semantic.normals.length, 2);
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assert.equal(report.semantic.faces.length, 2);
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assert.equal(report.semantic.materials.length, 2);
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assert.deepEqual(report.textureOrigin, { mtlMapKd: ["m12_obj_texture.png", "m12_obj_texture.png"], relative: true, textureFile: "m12_obj_texture.png" });
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assert.deepEqual(report.negativeIndex, { file: "negative-index.obj", expectedStatus: "ACCEPT_WITH_NEGATIVE_INDICES", faceCount: 2 });
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assert.deepEqual(report.malformedFace, { file: "malformed-face.obj", expectedCode: "OBJ_FACE_ARITY_INVALID" });
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const positive = parseObj(path.join(fixtureRoot, "multi-object.obj"));
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assert.equal(positive.objects.length, 2);
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assert.equal(positive.faces.length, 2);
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assert.ok(positive.faces.every((face) => face.tokens.length === 3));
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assert.ok(positive.faces.every((face) => face.tokens.every((token) => token.split("/").length === 3)));
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const negative = parseObj(path.join(fixtureRoot, "negative-index.obj"));
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assert.ok(negative.faces.every((face) => face.tokens.every((token) => token.split("/").every((index) => Number(index) < 0))));
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assert.equal(negative.faces.length, 2);
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const malformed = parseObj(path.join(fixtureRoot, "malformed-face.obj"));
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assert.equal(malformed.faces[0].tokens.length, 2);
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assert.equal(malformed.faces[0].tokens.length === 3 ? "ACCEPTED" : "OBJ_FACE_ARITY_INVALID", "OBJ_FACE_ARITY_INVALID");
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const texture = fs.readFileSync(path.join(fixtureRoot, "m12_obj_texture.png"));
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assert.deepEqual([...texture.subarray(0, 8)], [137, 80, 78, 71, 13, 10, 26, 10]);
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for (const file of report.files) {
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const absolute = path.join(fixtureRoot, file.name);
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assert.equal(fileHash(absolute), file.sha256, `${file.name} hash`);
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assert.equal(fs.statSync(absolute).size, file.byteLength, `${file.name} byte length`);
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}
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const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "m12-07b-obj-"));
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try {
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const regeneratedReport = path.join(temporary, "desktop-fixtures.json");
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const result = spawnSync(blender, ["-b", "--factory-startup", "--python", generator, "--", temporary, regeneratedReport], {
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cwd: root,
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encoding: "utf8",
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maxBuffer: 20 * 1024 * 1024,
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});
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assert.equal(result.status, 0, `${result.stdout}\n${result.stderr}`);
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assert.deepEqual(readJson(regeneratedReport), report, "OBJ multi/negative report is not deterministic");
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for (const file of report.files) assert.deepEqual(fs.readFileSync(path.join(temporary, file.name)), fs.readFileSync(path.join(fixtureRoot, file.name)), `${file.name} bytes are not deterministic`);
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}
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finally {
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fs.rmSync(temporary, { recursive: true, force: true });
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}
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process.stdout.write(`obj-multi-negative-fixtures-ok objects=${report.semantic.objects.length} negative=true malformed=${report.malformedFace.expectedCode} textureOrigin=relative deterministic=true next=${manifest.nextTask}\n`);
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