Support relative paths in path dependencies.

utils/tests/pub/lock_file_test.dart

Index: utils/tests/pub/lock_file_test.dart
diff --git a/utils/tests/pub/lock_file_test.dart b/utils/tests/pub/lock_file_test.dart
index eeef7bf2716de40682bf8346148958fd0d90bb6a..70ac80822dbb6ee0329d5f7104d8afb49d5fd427 100644
--- a/utils/tests/pub/lock_file_test.dart
+++ b/utils/tests/pub/lock_file_test.dart
@@ -17,8 +17,10 @@ class MockSource extends Source {
   final String name = 'mock';
   final bool shouldCache = false;
 
-  void validateDescription(String description, {bool fromLockFile: false}) {
+  dynamic parseDescription(String filePath, String description,
+                           {bool fromLockFile: false}) {
     if (!description.endsWith(' desc')) throw new FormatException();
+    return description;
   }
 
   String packageName(String description) {
@@ -35,17 +37,17 @@ main() {
   group('LockFile', () {
     group('parse()', () {
       test('returns an empty lockfile if the contents are empty', () {
-        var lockFile = new LockFile.parse('', sources);
+        var lockFile = new LockFile.parse(null, '', sources);
         expect(lockFile.packages.length, equals(0));
       });
 
       test('returns an empty lockfile if the contents are whitespace', () {
-        var lockFile = new LockFile.parse('  \t\n  ', sources);
+        var lockFile = new LockFile.parse(null, '  \t\n  ', sources);
         expect(lockFile.packages.length, equals(0));
       });
 
       test('parses a series of package descriptions', () {
-        var lockFile = new LockFile.parse('''
+        var lockFile = new LockFile.parse(null, '''
 packages:
   bar:
     version: 1.2.3
@@ -74,7 +76,7 @@ packages:
 
       test("throws if the version is missing", () {
         expect(() {
-          new LockFile.parse('''
+          new LockFile.parse(null, '''
 packages:
   foo:
     source: mock
@@ -85,7 +87,7 @@ packages:
 
       test("throws if the version is invalid", () {
         expect(() {
-          new LockFile.parse('''
+          new LockFile.parse(null, '''
 packages:
   foo:
     version: vorpal
@@ -97,7 +99,7 @@ packages:
 
       test("throws if the source is missing", () {
         expect(() {
-          new LockFile.parse('''
+          new LockFile.parse(null, '''
 packages:
   foo:
     version: 1.2.3
@@ -108,7 +110,7 @@ packages:
 
       test("throws if the source is unknown", () {
         expect(() {
-          new LockFile.parse('''
+          new LockFile.parse(null, '''
 packages:
   foo:
     version: 1.2.3
@@ -120,7 +122,7 @@ packages:
 
       test("throws if the description is missing", () {
         expect(() {
-          new LockFile.parse('''
+          new LockFile.parse(null, '''
 packages:
   foo:
     version: 1.2.3
@@ -131,7 +133,7 @@ packages:
 
       test("throws if the description is invalid", () {
         expect(() {
-          new LockFile.parse('''
+          new LockFile.parse(null, '''
 packages:
   foo:
     version: 1.2.3
@@ -142,7 +144,7 @@ packages:
       });
 
       test("ignores extra stuff in file", () {
-        var lockFile = new LockFile.parse('''
+        var lockFile = new LockFile.parse(null, '''
 extra:
   some: stuff
 packages: