PackageMapUriResolver for Dart server.

pkg/analysis_server/test/package_uri_resolver_test.dart

+// Copyright (c) 2014, 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 test.resolver.package;
+
+import 'package:analysis_server/src/package_uri_resolver.dart';
+import 'package:analysis_server/src/resource.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:unittest/unittest.dart';
+
+import 'reflective_tests.dart';
+
+main() {
+  groupSep = ' | ';
+
+  group('PackageMapUriResolver', () {
+    runReflectiveTests(_PackageMapUriResolverTest);
+  });
+}
+
+
+@ReflectiveTestCase()
+class _PackageMapUriResolverTest {
+  static const EMPTY_MAP = const <String, Folder>{};
+  MemoryResourceProvider provider = new MemoryResourceProvider();
+
+  setUp() {
+  }
+
+  tearDown() {
+  }
+
+  void test_isPackageUri() {
+    Uri uri = Uri.parse('package:test/test.dart');
+    expect(uri.scheme, 'package');
+    expect(PackageMapUriResolver.isPackageUri(uri), isTrue);
+  }
+
+  void test_fromEncoding_nonPackage() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('file:/does/not/exist.dart');
+    Source result = resolver.fromEncoding(UriKind.DART_URI, uri);
+    expect(result, isNull);
+  }
+
+  void test_fromEncoding_package() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('package:/does/not/exist.dart');
+    Source result = resolver.fromEncoding(UriKind.PACKAGE_URI, uri);
+    expect(result, isNotNull);
+    expect(result.fullName, '/does/not/exist.dart');
+  }
+
+  void test_fromEncoding_packageSelf() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('package:/does/not/exist.dart');
+    Source result = resolver.fromEncoding(UriKind.PACKAGE_SELF_URI, uri);
+    expect(result, isNotNull);
+    expect(result.fullName, '/does/not/exist.dart');
+  }
+
+  void test_isPackageUri_null_scheme() {
+    Uri uri = Uri.parse('foo.dart');
+    expect(uri.scheme, '');
+    expect(PackageMapUriResolver.isPackageUri(uri), isFalse);
+  }
+
+  void test_isPackageUri_other_scheme() {
+    Uri uri = Uri.parse('memfs:/foo.dart');
+    expect(uri.scheme, 'memfs');
+    expect(PackageMapUriResolver.isPackageUri(uri), isFalse);
+  }
+
+  void test_resolve_OK() {
+    const pkgFileA = '/pkgA/lib/libA.dart';
+    const pkgFileB = '/pkgB/lib/libB.dart';
+    provider.newFile(pkgFileA, 'library lib_a;');
+    provider.newFile(pkgFileB, 'library lib_b;');
+    PackageMapUriResolver resolver = new PackageMapUriResolver(provider,
+        <String, Folder>{
+      'pkgA': provider.getResource('/pkgA/lib/'),
+      'pkgB': provider.getResource('/pkgB/lib/')
+    });
+    {
+      Uri uri = Uri.parse('package:pkgA/libA.dart');
+      Source result = resolver.resolveAbsolute(uri);
+      expect(result, isNotNull);
+      expect(result.exists(), isTrue);
+      expect(result.uriKind, UriKind.PACKAGE_URI);
+      expect(result.fullName, pkgFileA);
+    }
+    {
+      Uri uri = Uri.parse('package:pkgB/libB.dart');
+      Source result = resolver.resolveAbsolute(uri);
+      expect(result, isNotNull);
+      expect(result.exists(), isTrue);
+      expect(result.uriKind, UriKind.PACKAGE_URI);
+      expect(result.fullName, pkgFileB);
+    }
+  }
+
+  void test_resolve_nonPackage() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('dart:core');
+    Source result = resolver.resolveAbsolute(uri);
+    expect(result, isNull);
+  }
+
+  void test_resolve_package_invalid_leadingSlash() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('package:/foo');
+    Source result = resolver.resolveAbsolute(uri);
+    expect(result, isNull);
+  }
+
+  void test_resolve_package_invalid_noSlash() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('package:foo');
+    Source result = resolver.resolveAbsolute(uri);
+    expect(result, isNull);
+  }
+
+  void test_resolve_package_invalid_onlySlash() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('package:/');
+    Source result = resolver.resolveAbsolute(uri);
+    expect(result, isNull);
+  }
+
+  void test_resolve_package_notInMap() {
+    UriResolver resolver = new PackageMapUriResolver(provider, EMPTY_MAP);
+    Uri uri = Uri.parse('package:analyzer/analyzer.dart');
+    Source result = resolver.resolveAbsolute(uri);
+    expect(result, isNotNull);
+    expect(result.exists(), isFalse);
+    expect(result.fullName, 'package:analyzer/analyzer.dart');
+  }
+}