Initial Bazel file resolver support.

pkg/analyzer/test/generated/bazel_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.
+
+library analyzer.test.generated.bazel_test;
+
+import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/file_system/memory_file_system.dart';
+import 'package:analyzer/src/generated/bazel.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:unittest/unittest.dart';
+
+import '../reflective_tests.dart';
+import '../utils.dart';
+
+main() {
+  initializeTestEnvironment();
+  runReflectiveTests(ResourceUriResolverTest);
+}
+
+@reflectiveTest
+class ResourceUriResolverTest {
+  MemoryResourceProvider provider;
+  Folder workspace;
+  List<Folder> buildDirs;
+  ResourceUriResolver resolver;
+
+  void setUp() {
+    provider = new MemoryResourceProvider();
+    workspace = provider.newFolder('/workspace');
+    buildDirs = [provider.newFolder('/workspace/one'), provider.newFolder('/workspace/two')];
+    resolver = new BazelFileUriResolver(provider, workspace, buildDirs);
+    provider.newFile('/workspace/test.dart', '');
+    provider.newFile('/workspace/one/gen1.dart', '');
+    provider.newFile('/workspace/two/gen2.dart', '');
+  }
+
+  void test_creation() {
+    expect(provider, isNotNull);
+    expect(workspace, isNotNull);
+    expect(buildDirs, isNotNull);
+    expect(buildDirs.length, 2);
+    expect(resolver, isNotNull);
+  }
+
+  void test_resolveAbsolute_file() {
+    var uri = new Uri(scheme: 'file', path: '/workspace/test.dart');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNotNull);
+    expect(source.exists(), isTrue);
+    expect(source.fullName, '/workspace/test.dart');
+  }
+
+  void test_resolveAbsolute_folder() {
+    var uri = new Uri(scheme: 'file', path: '/workspace');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNull);
+  }
+
+  void test_resolveAbsolute_notFile_httpsUri() {
+    var uri = new Uri(scheme: 'https', path: '127.0.0.1/test.dart');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNull);
+  }
+
+  void test_resolveAbsolute_notFile_dartUri() {
+    var uri = new Uri(scheme: 'dart', path: 'core');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNull);
+  }
+
+  void test_resolveAbsolute_generated_file_exists_one() {
+    var uri = new Uri(scheme: 'file', path: '/workspace/gen1.dart');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNotNull);
+    expect(source.exists(), isTrue);
+    expect(source.fullName, '/workspace/one/gen1.dart');
+  }
+
+  void test_resolveAbsolute_generated_file_exists_two() {
+    var uri = new Uri(scheme: 'file', path: '/workspace/gen2.dart');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNotNull);
+    expect(source.exists(), isTrue);
+    expect(source.fullName, '/workspace/two/gen2.dart');
+  }
+
+  void test_resolveAbsolute_generated_file_does_not_exist_three() {
+    var uri = new Uri(scheme: 'file', path: '/workspace/gen3.dart');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNull);
+  }
+
+  void test_restoreAbsolute() {
+    var uri = new Uri(scheme: 'file', path: '/workspace/test.dart');
+    Source source = resolver.resolveAbsolute(uri);
+    expect(source, isNotNull);
+    expect(resolver.restoreAbsolute(source), uri);
+    expect(
+        resolver.restoreAbsolute(
+            new NonExistingSource(source.fullName, null, null)),
+        uri);
+  }
+}