Support browser caching using hashes in serverMode (fixes #93, fixes #92)

test/codegen_test.dart

 // Copyright (c) 2015, 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.
 
 /// Tests code generation.
 /// Runs Dart Dev Compiler on all input in the `codegen` directory and checks
 /// that the output is what we expected.
 library dev_compiler.test.codegen_test;
 
 import 'dart:io';
@@ skipping 38 matching lines @@
   var inputDir = dartGen
       ? path.join(testDir, 'dart_codegen')
       : path.join(testDir, 'codegen');
   var actualDir = path.join(inputDir, 'actual');
   var paths = new Directory(inputDir)
       .listSync()
       .where((f) => f is File)
       .map((f) => f.path)
       .where((p) => p.endsWith('.dart') && filePattern.hasMatch(p));
 
-  compile(String entryPoint, String sdkPath, [bool checkSdk = false]) {
+  compile(String entryPoint, String sdkPath,
+      {bool checkSdk: false, bool serverMode: false}) {
     var options = new CompilerOptions(
-        outputDir: actualDir,
+        outputDir: serverMode ? path.join(actualDir, 'server_mode') : actualDir,
         useColors: false,
         outputDart: dartGen,
         formatOutput: dartGen,
         emitSourceMaps: false,
         forceCompile: checkSdk,
         cheapTestFormat: checkSdk,
         checkSdk: checkSdk,
         entryPointFile: entryPoint,
-        dartSdkPath: sdkPath);
+        dartSdkPath: sdkPath,
+        serverMode: serverMode);
     return new Compiler(options).run();
   }
   var realSdk = getSdkDir(arguments).path;
 
   // Validate that old output is gone before running.
   // TODO(jmesserly): it'd be nice to do all cleanup here, including removing
   // pub's 'packages' symlinks which mess up the diff. That way this test
   // can be self contained instead of depending on a shell script.
   if (new Directory(actualDir).existsSync()) {
     throw 'Old compiler output should be cleaned up first. Use ./test/test.sh';
@@ skipping 39 matching lines @@
     });
 
     test('devc dart:core', () {
       // Get the test SDK. We use a checked in copy so test expectations can be
       // generated against a specific SDK version.
       // TODO(jmesserly): eventually we should track compiler messages.
       // For now we're just trying to get decent code generation.
       var testSdk = dartGen
           ? path.join(testDir, '..', 'tool', 'input_sdk')
           : path.join(testDir, 'generated_sdk');
-      var result = compile('dart:core', testSdk, true);
+      var result = compile('dart:core', testSdk, checkSdk: true);
       var outputDir = new Directory(path.join(actualDir, 'core'));
       var outFile = dartGen
           ? new File(path.join(actualDir, 'core/core'))
           : new File(path.join(actualDir, 'dart/core.js'));
       expect(outFile.existsSync(), true,
           reason: '${outFile.path} was created for dart:core');
     });
   });
 
   if (!dartGen) {
     test('devc jscodegen html_input.html', () {
       var filePath = path.join(inputDir, 'html_input.html');
       compilerMessages.writeln('// Messages from compiling html_input.html');
 
       var result = compile(filePath, realSdk);
       var success = !result.failure;
 
       // Write compiler messages to disk.
       new File(path.join(actualDir, 'html_input.txt'))
           .writeAsStringSync(compilerMessages.toString());
 
       var outFile = new File(path.join(actualDir, 'html_input.html'));
       expect(outFile.existsSync(), success,
           reason: '${outFile.path} was created iff compilation succeeds');
     });
+
+    test('devc jscodegen html_input.html server mode', () {
+      var filePath = path.join(inputDir, 'html_input.html');
+      compilerMessages.writeln('// Messages from compiling html_input.html');
+
+      var result = compile(filePath, realSdk, serverMode: true);
+      var success = !result.failure;
+
+      // Write compiler messages to disk.
+      new File(path.join(actualDir, 'server_mode', 'html_input.txt'))
+          .writeAsStringSync(compilerMessages.toString());
+
+      var outFile =
+          new File(path.join(actualDir, 'server_mode', 'html_input.html'));
+      expect(outFile.existsSync(), success,
+          reason: '${outFile.path} was created iff compilation succeeds');
+    });
   }
 }
 
 /// An implementation of analysis engine's [Logger] that prints.
 class PrintLogger implements Logger {
   @override void logError(String message, [CaughtException exception]) {
     print('[AnalysisEngine] error $message $exception');
   }
 
   @override void logError2(String message, Object exception) {
     print('[AnalysisEngine] error $message $exception');
   }
 
   void logInformation(String message, [CaughtException exception]) {}
   void logInformation2(String message, Object exception) {}
 }