[native_assets_cli] Fix V1_0_0 backwards compatibility (#1055)

Author: dcharkes

pkgs/native_assets_cli/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.5.3
+
+- Fix V1_0_0 dry run backwards compatibility.
+  https://github.com/dart-lang/native/issues/1053
+
 ## 0.5.2
 
 - Fix test.

pkgs/native_assets_cli/lib/src/model/build_output.dart

@@ -90,16 +90,38 @@ final class BuildOutputImpl implements BuildOutput {
     );
   }
 
-  Map<String, Object> toJson(Version version) => {
-        _timestampKey: timestamp.toString(),
-        _assetsKey: [
-          for (final asset in _assets) asset.toJson(version),
-        ],
-        if (_dependencies.dependencies.isNotEmpty)
-          _dependenciesKey: _dependencies.toJson(),
-        _metadataKey: _metadata.toJson(),
-        _versionKey: version.toString(),
-      }..sortOnKey();
+  Map<String, Object> toJson(Version version) {
+    final assets = <AssetImpl>[];
+    for (final asset in _assets) {
+      switch (asset) {
+        case NativeCodeAssetImpl _:
+          if (version <= Version(1, 0, 0) && asset.architecture == null) {
+            // Dry run does not report architecture. But old Dart and Flutter
+            // expect architecture to be populated. So, populate assets for all
+            // architectures.
+            for (final architecture in asset.os.architectures) {
+              assets.add(asset.copyWith(
+                architecture: architecture,
+              ));
+            }
+          } else {
+            assets.add(asset);
+          }
+        default:
+          assets.add(asset);
+      }
+    }
+    return {
+      _timestampKey: timestamp.toString(),
+      _assetsKey: [
+        for (final asset in assets) asset.toJson(version),
+      ],
+      if (_dependencies.dependencies.isNotEmpty)
+        _dependenciesKey: _dependencies.toJson(),
+      _metadataKey: _metadata.toJson(),
+      _versionKey: version.toString(),
+    }..sortOnKey();
+  }
 
   String toJsonString(Version version) =>
       const JsonEncoder.withIndent('  ').convert(toJson(version));

pkgs/native_assets_cli/lib/src/model/build_output_CHANGELOG.md

@@ -18,6 +18,8 @@
   Backwards compatibility older SDKs: emit the old format if an older BuildConfig was passed in.
 - Added `DataAsset`s.
   Backwards compatibility: These are ignored on older SDKs.
+- `architecture` is optional.
+  Backwards compatibility older SDKs: expand the assets to include all architectures.
 
 ## 1.0.0
 

pkgs/native_assets_cli/pubspec.yaml

@@ -4,7 +4,7 @@ description: >-
   native assets CLI.
 
 # Note: Bump BuildConfig.version and BuildOutput.version on breaking changes!
-version: 0.5.2
+version: 0.5.3
 repository: https://github.com/dart-lang/native/tree/main/pkgs/native_assets_cli
 
 topics:

pkgs/native_assets_cli/test/model/build_output_test.dart

@@ -58,6 +58,18 @@ void main() {
     }),
   );
 
+  final dryRunOutput = BuildOutputImpl(
+    timestamp: DateTime.parse('2022-11-10 13:25:01.000'),
+    assets: [
+      NativeCodeAssetImpl(
+        id: 'package:my_package/foo',
+        file: Uri(path: 'path/to/libfoo.so'),
+        linkMode: DynamicLoadingBundledImpl(),
+        os: OSImpl.android,
+      ),
+    ],
+  );
+
   const yamlEncodingV1_0_0 = '''timestamp: 2022-11-10 13:25:01.000
 assets:
   - id: package:my_package/foo
@@ -88,6 +100,41 @@ metadata:
   key: value
 version: 1.0.0''';
 
+  const yamlEncodingV1_0_0dryRun = '''timestamp: 2022-11-10 13:25:01.000
+assets:
+  - id: package:my_package/foo
+    link_mode: dynamic
+    path:
+      path_type: absolute
+      uri: path/to/libfoo.so
+    target: android_arm
+  - id: package:my_package/foo
+    link_mode: dynamic
+    path:
+      path_type: absolute
+      uri: path/to/libfoo.so
+    target: android_arm64
+  - id: package:my_package/foo
+    link_mode: dynamic
+    path:
+      path_type: absolute
+      uri: path/to/libfoo.so
+    target: android_ia32
+  - id: package:my_package/foo
+    link_mode: dynamic
+    path:
+      path_type: absolute
+      uri: path/to/libfoo.so
+    target: android_x64
+  - id: package:my_package/foo
+    link_mode: dynamic
+    path:
+      path_type: absolute
+      uri: path/to/libfoo.so
+    target: android_riscv64
+metadata: {}
+version: 1.0.0''';
+
   final yamlEncoding = '''timestamp: 2022-11-10 13:25:01.000
 assets:
   - architecture: x64
@@ -200,6 +247,12 @@ version: ${BuildOutputImpl.latestVersion}''';
     expect(yamlEncoding, yamlEncodingV1_0_0);
   });
 
+  test('built info yaml v1.0.0 serialization keeps working dry run', () {
+    final yamlEncoding =
+        yamlEncode(dryRunOutput.toJson(Version(1, 0, 0))).replaceAll('\\', '/');
+    expect(yamlEncoding, yamlEncodingV1_0_0dryRun);
+  });
+
   test('BuildOutput.toString', buildOutput.toString);
 
   test('BuildOutput.hashCode', () {