Ignore files that are hidden by generated files.

pkg/analyzer/test/src/dart/analysis/file_state_test.dart

 // Copyright (c) 2016, 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:convert';
 import 'dart:typed_data';
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/source/package_map_resolver.dart';
@@ skipping 257 matching lines @@
     expect(_excludeSdk(file.importedFiles), isEmpty);
     expect(file.exportedFiles, isEmpty);
     expect(file.partedFiles, isEmpty);
     expect(_excludeSdk(file.directReferencedFiles), isEmpty);
     expect(file.isPart, isFalse);
     expect(file.library, isNull);
     expect(file.unlinked, isNotNull);
     expect(file.unlinked.classes, isEmpty);
   }
 
-  test_getFileForPath_generatedFile() {
-    Uri uri = Uri.parse('package:aaa/foo.dart');
-    String templatePath = _p('/aaa/lib/foo.dart');
-    String generatedPath = _p('/generated/aaa/lib/foo.dart');
-
-    Source generatedSource = new _SourceMock();
-    when(generatedSource.fullName).thenReturn(generatedPath);
-    when(generatedSource.uri).thenReturn(uri);
-
-    when(generatedUriResolver.resolveAbsolute(uri, uri))
-        .thenReturn(generatedSource);
-
-    FileState generatedFile = fileSystemState.getFileForUri(uri);
-    expect(generatedFile.path, generatedPath);
-    expect(generatedFile.uri, uri);
-
-    FileState templateFile = fileSystemState.getFileForPath(templatePath);
-    expect(templateFile.path, templatePath);
-    expect(templateFile.uri, uri);
-
-    expect(fileSystemState.getFilesForPath(templatePath), [templateFile]);
-  }
-
   test_getFileForPath_library() {
     String a1 = _p('/aaa/lib/a1.dart');
     String a2 = _p('/aaa/lib/a2.dart');
     String a3 = _p('/aaa/lib/a3.dart');
     String a4 = _p('/aaa/lib/a4.dart');
     String b1 = _p('/bbb/lib/b1.dart');
     String b2 = _p('/bbb/lib/b2.dart');
     String content_a1 = r'''
 import 'package:aaa/a2.dart';
 import 'package:bbb/b1.dart';
@@ skipping 146 matching lines @@
     expect(filePackageUri.uri, packageUri);
 
     expect(fileFileUri.path, path);
     expect(fileFileUri.uri, fileUri);
 
     // The file with the `package:` style URI is canonical, and is the first.
     var files = fileSystemState.getFilesForPath(path);
     expect(files, [filePackageUri, fileFileUri]);
   }
 
+  test_hasUri() {
+    Uri uri = Uri.parse('package:aaa/foo.dart');
+    String templatePath = _p('/aaa/lib/foo.dart');
+    String generatedPath = _p('/generated/aaa/lib/foo.dart');
+
+    Source generatedSource = new _SourceMock();
+    when(generatedSource.fullName).thenReturn(generatedPath);
+    when(generatedSource.uri).thenReturn(uri);
+
+    when(generatedUriResolver.resolveAbsolute(uri, uri))
+        .thenReturn(generatedSource);
+
+    expect(fileSystemState.hasUri(templatePath), isFalse);
+    expect(fileSystemState.hasUri(generatedPath), isTrue);
+  }
+
   test_referencedNames() {
     String path = _p('/aaa/lib/a.dart');
     provider.newFile(
         path,
         r'''
 A foo(B p) {
   foo(null);
   C c = new C(p);
   return c;
 }
@@ skipping 250 matching lines @@
   String _p(String path) => provider.convertPath(path);
 
   static String _md5(String content) {
     return hex.encode(md5.convert(UTF8.encode(content)).bytes);
   }
 }
 
 class _GeneratedUriResolverMock extends TypedMock implements UriResolver {}
 
 class _SourceMock extends TypedMock implements Source {}