First step for modular output in fasta.

pkg/front_end/test/src/base/processed_options_test.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
 
-import 'package:analyzer/src/summary/format.dart';
 import 'package:front_end/compiler_options.dart';
 import 'package:front_end/memory_file_system.dart';
 import 'package:front_end/src/base/processed_options.dart';
+import 'package:front_end/src/fasta/fasta.dart' show ByteSink;
+import 'package:kernel/binary/ast_to_binary.dart' show BinaryPrinter;
+import 'package:kernel/kernel.dart' show Program, Library;
+
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(ProcessedOptionsTest);
   });
 }
 
 @reflectiveTest
 class ProcessedOptionsTest {
   final fileSystem = new MemoryFileSystem(Uri.parse('file:///'));
 
-  PackageBundleBuilder _mockSdkSummary;
+  Program _mockOutline;
 
-  PackageBundleBuilder get mockSdkSummary => _mockSdkSummary ??=
-      new PackageBundleBuilder(apiSignature: 'mock summary signature');
-
-  Future<Null> checkMockSummary(CompilerOptions raw) async {
-    var processed = new ProcessedOptions(raw);
-    var sdkSummary = await processed.getSdkSummary();
-    expect(sdkSummary.apiSignature, mockSdkSummary.apiSignature);
-  }
+  Program get mockSummary => _mockOutline ??=
+      new Program(libraries: [new Library(Uri.parse('file:///a/b.dart'))]);
 
   test_compileSdk_false() {
     for (var value in [false, true]) {
       var raw = new CompilerOptions()..compileSdk = value;
       var processed = new ProcessedOptions(raw);
       expect(processed.compileSdk, value);
     }
   }
 
   test_fileSystem_noBazelRoots() {
     // When no bazel roots are specified, the filesystem should be passed
     // through unmodified.
     var raw = new CompilerOptions()..fileSystem = fileSystem;
     var processed = new ProcessedOptions(raw);
     expect(processed.fileSystem, same(fileSystem));
   }
 
-  test_getSdkSummary_sdkLocationProvided_noTrailingSlash() async {
-    var uri = Uri.parse('file:///sdk');
-    writeMockSummaryTo(Uri.parse('$uri/lib/_internal/strong.sum'));
-    checkMockSummary(new CompilerOptions()
-      ..fileSystem = fileSystem
-      ..sdkRoot = uri);
-  }
-
-  test_getSdkSummary_sdkLocationProvided_spec() async {
-    var uri = Uri.parse('file:///sdk');
-    writeMockSummaryTo(Uri.parse('$uri/lib/_internal/spec.sum'));
-    checkMockSummary(new CompilerOptions()
-      ..fileSystem = fileSystem
-      ..strongMode = false
-      ..sdkRoot = uri);
-  }
-
-  test_getSdkSummary_sdkLocationProvided_trailingSlash() async {
-    var uri = Uri.parse('file:///sdk');
-    writeMockSummaryTo(Uri.parse('$uri/lib/_internal/strong.sum'));
-    checkMockSummary(new CompilerOptions()
-      ..fileSystem = fileSystem
-      ..sdkRoot = Uri.parse('$uri/'));
-  }
-
   test_getSdkSummary_summaryLocationProvided() async {
     var uri = Uri.parse('file:///sdkSummary');
     writeMockSummaryTo(uri);
     checkMockSummary(new CompilerOptions()
       ..fileSystem = fileSystem
       ..sdkSummary = uri);
   }
 
+  void writeMockSummaryTo(Uri uri) {
+    var sink = new ByteSink();
+    new BinaryPrinter(sink).writeProgramFile(mockSummary);
+    fileSystem.entityForUri(uri).writeAsBytesSync(sink.builder.takeBytes());
+  }
+
+  Future<Null> checkMockSummary(CompilerOptions raw) async {
+    var processed = new ProcessedOptions(raw);
+    var sdkSummary = await processed.sdkSummaryProgram;
+    expect(sdkSummary.libraries.single.importUri,
+        mockSummary.libraries.single.importUri);
+  }
+
   test_getUriTranslator_explicitPackagesFile() async {
     // This .packages file should be ignored.
     fileSystem
         .entityForUri(Uri.parse('file:///.packages'))
         .writeAsStringSync('foo:bar\n');
     // This one should be used.
     fileSystem
         .entityForUri(Uri.parse('file:///explicit.packages'))
         .writeAsStringSync('foo:baz\n');
     var raw = new CompilerOptions()
@@ skipping 27 matching lines @@
     fileSystem
         .entityForUri(Uri.parse('file:///.packages'))
         .writeAsStringSync('foo:bar\n');
     var raw = new CompilerOptions()
       ..fileSystem = fileSystem
       ..packagesFileUri = new Uri();
     var processed = new ProcessedOptions(raw);
     var uriTranslator = await processed.getUriTranslator();
     expect(uriTranslator.packages, isEmpty);
   }
-
-  void writeMockSummaryTo(Uri uri) {
-    fileSystem.entityForUri(uri).writeAsBytesSync(mockSdkSummary.toBuffer());
-  }
 }