chore(toolkit-lib): use pre-built cdk.out fixtures in deploy and diff tests for speed

.projenrc.ts

@@ -1072,6 +1072,11 @@ toolkitLib.package.addField('exports', {
   './package.json': './package.json',
 });
 
+toolkitLib.addTask('gen-fixture', {
+  description: 'Generate cdk.out for test fixtures',
+  exec: 'tsx scripts/gen-fixture-cdk-out.ts',
+  receiveArgs: true,
+});
 const registryTask = toolkitLib.addTask('registry', { exec: 'tsx scripts/gen-code-registry.ts' });
 toolkitLib.postCompileTask.spawn(registryTask);
 toolkitLib.postCompileTask.exec('build-tools/build-info.sh');
@@ -1108,6 +1113,7 @@ toolkitLib.gitignore.addPatterns(
   'lib/init-templates/**',
   '!test/_fixtures/**/app.js',
   '!test/_fixtures/**/cdk.out',
+  'test/_fixtures/**/cdk.out/*.lock',
 );
 
 // Add commands for the API Extractor docs

packages/@aws-cdk/toolkit-lib/scripts/gen-fixture-cdk-out.ts

@@ -0,0 +1,68 @@
+/**
+ * Generate cdk.out directories for test fixtures.
+ *
+ * Usage: tsx scripts/gen-fixture-cdk-out.ts [fixture-name ...]
+ *
+ * If no fixture names are given, generates cdk.out for all fixtures
+ * that have an index.ts or index.js builder file.
+ */
+import * as fs from 'fs';
+import * as path from 'path';
+import { MemoryContext, Toolkit } from '../lib';
+
+const FIXTURES_DIR = path.join(__dirname, '..', 'test', '_fixtures');
+
+async function generateFixture(name: string) {
+  const fixtureDir = path.join(FIXTURES_DIR, name);
+  if (!fs.existsSync(fixtureDir)) {
+    throw new Error(`Fixture not found: ${name}`);
+  }
+
+  const outdir = path.join(fixtureDir, 'cdk.out');
+  fs.rmSync(outdir, { recursive: true, force: true });
+
+  const toolkit = new Toolkit();
+  // eslint-disable-next-line @typescript-eslint/no-require-imports
+  const builder = require(path.join(FIXTURES_DIR, name, 'index')).default;
+  const source = await toolkit.fromAssemblyBuilder(builder, {
+    outdir,
+    contextStore: new MemoryContext(),
+  });
+
+  // Produce the assembly to trigger synthesis
+  const asm = await source.produce();
+  await asm.dispose();
+
+  // Clean up lock files
+  for (const file of fs.readdirSync(outdir)) {
+    if (file.endsWith('.lock')) {
+      fs.rmSync(path.join(outdir, file));
+    }
+  }
+
+  console.log(`✅ ${name}/cdk.out`);
+}
+
+async function main() {
+  const args = process.argv.slice(2);
+
+  let fixtures: string[];
+  if (args.length > 0) {
+    fixtures = args;
+  } else {
+    fixtures = fs.readdirSync(FIXTURES_DIR).filter((name) => {
+      const dir = path.join(FIXTURES_DIR, name);
+      return fs.statSync(dir).isDirectory()
+        && (fs.existsSync(path.join(dir, 'index.ts')) || fs.existsSync(path.join(dir, 'index.js')));
+    });
+  }
+
+  for (const name of fixtures) {
+    await generateFixture(name);
+  }
+}
+
+main().catch((e) => {
+  console.error(e);
+  process.exit(1);
+});

packages/@aws-cdk/toolkit-lib/test/_fixtures/stack-with-asset/cdk.out/Stack1.assets.json

@@ -0,0 +1,34 @@
+{
+  "version": "53.0.0",
+  "files": {
+    "282b08e098be248e5f225b8abf945177517791ba7fce85c257904c6305d7f304": {
+      "displayName": "Function1/Code",
+      "source": {
+        "path": "asset.282b08e098be248e5f225b8abf945177517791ba7fce85c257904c6305d7f304",
+        "packaging": "zip"
+      },
+      "destinations": {
+        "current_account-current_region-f43b737b": {
+          "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
+          "objectKey": "282b08e098be248e5f225b8abf945177517791ba7fce85c257904c6305d7f304.zip",
+          "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
+        }
+      }
+    },
+    "28a406a51a66f9f35f9d46f5fae1219317cb4673b13cbb4577159abd4b98e229": {
+      "displayName": "Stack1 Template",
+      "source": {
+        "path": "Stack1.template.json",
+        "packaging": "file"
+      },
+      "destinations": {
+        "current_account-current_region-064a3fa4": {
+          "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
+          "objectKey": "28a406a51a66f9f35f9d46f5fae1219317cb4673b13cbb4577159abd4b98e229.json",
+          "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
+        }
+      }
+    }
+  },
+  "dockerImages": {}
+}

packages/@aws-cdk/toolkit-lib/test/_fixtures/stack-with-asset/cdk.out/Stack1.metadata.json

@@ -0,0 +1,38 @@
+{
+  "/Stack1/BootstrapVersion": [
+    {
+      "type": "aws:cdk:logicalId",
+      "data": "BootstrapVersion"
+    }
+  ],
+  "/Stack1/CheckBootstrapVersion": [
+    {
+      "type": "aws:cdk:logicalId",
+      "data": "CheckBootstrapVersion"
+    }
+  ],
+  "/Stack1/Function1/Resource": [
+    {
+      "type": "aws:cdk:logicalId",
+      "data": "Function1904AA941"
+    }
+  ],
+  "/Stack1/CDKMetadata/Default": [
+    {
+      "type": "aws:cdk:logicalId",
+      "data": "CDKMetadata"
+    }
+  ],
+  "/Stack1/CDKMetadata/Condition": [
+    {
+      "type": "aws:cdk:logicalId",
+      "data": "CDKMetadataAvailable"
+    }
+  ],
+  "/Stack1/Function1/ServiceRole/Resource": [
+    {
+      "type": "aws:cdk:logicalId",
+      "data": "Function1ServiceRole16CD7E62"
+    }
+  ]
+}