Track Source objects in PackageNames.

test/version_solver_test.dart

Index: test/version_solver_test.dart
diff --git a/test/version_solver_test.dart b/test/version_solver_test.dart
index 7d8da5d532a0d01f62a64651d2cd41816f10076a..da890621771fb360d7b4ffcbca2ab8b7893c168c 100644
--- a/test/version_solver_test.dart
+++ b/test/version_solver_test.dart
@@ -12,6 +12,7 @@ import 'package:pub/src/sdk.dart' as sdk;
 import 'package:pub/src/solver/version_solver.dart';
 import 'package:pub/src/source.dart';
 import 'package:pub/src/source/cached.dart';
+import 'package:pub/src/source_registry.dart';
 import 'package:pub/src/system_cache.dart';
 import 'package:pub/src/utils.dart';
 import 'package:pub_semver/pub_semver.dart';
@@ -652,7 +653,7 @@ backtracking() {
     'c 5.0.0': {},
   }, result: {
     'myapp from root': '0.0.0',
-    'a': '1.0.0',
+    'a-x': '1.0.0',
     'b': '1.0.0',
     'c': '5.0.0'
   }, maxTries: 2);
@@ -1121,8 +1122,8 @@ testResolve(String description, Map packages, {
     // Build the test package graph.
     var root;
     packages.forEach((description, dependencies) {
-      var id = parseSpec(description);
-      var package = mockPackage(id, dependencies,
+      var id = parseSpec(cache.sources, description);
+      var package = mockPackage(cache.sources, id, dependencies,
           id.name == 'myapp' ? overrides : null);
       if (id.name == 'myapp') {
         // Don't add the root package to the server, so we can verify that Pub
@@ -1139,7 +1140,7 @@ testResolve(String description, Map packages, {
     if (result != null) {
       var newResult = {};
       result.forEach((description, version) {
-        var id = parseSpec(description, version);
+        var id = parseSpec(cache.sources, description, version);
         newResult[id.name] = id;
       });
       result = newResult;
@@ -1148,12 +1149,12 @@ testResolve(String description, Map packages, {
     // Parse the lockfile.
     var realLockFile;
     if (lockfile == null) {
-      realLockFile = new LockFile.empty(cache.sources);
+      realLockFile = new LockFile.empty();
     } else {
       realLockFile = new LockFile(lockfile.keys.map((name) {
         var version = new Version.parse(lockfile[name]);
-        return new PackageId(name, source1.name, version, name);
-      }), cache.sources);
+        return new PackageId(name, source1, version, name);
+      }));
     }
 
     // Resolve the versions.
@@ -1358,13 +1359,15 @@ class MockSource extends Source {
   BoundSource bind(SystemCache cache) => new BoundMockSource(this, cache);
 
   PackageRef parseRef(String name, description, {String containingPath}) =>
-      new PackageRef(name, this.name, description);
+      new PackageRef(name, this, description);
 
   PackageId parseId(String name, Version version, description) =>
-      new PackageId(name, this.name, version, description);
+      new PackageId(name, this, version, description);
 
   bool descriptionsEqual(description1, description2) =>
       description1 == description2;
+
+  int hashDescription(description) => description.hashCode;
 }
 
 class BoundMockSource extends CachedSource {
@@ -1403,8 +1406,7 @@ class BoundMockSource extends CachedSource {
     }
 
     return _packages[ref.description].values.map((package) {
-      return new PackageId(
-          ref.name, source.name, package.version, ref.description);
+      return new PackageId(ref.name, source, package.version, ref.description);
     }).toList();
   }
 
@@ -1438,7 +1440,8 @@ class BoundMockSource extends CachedSource {
   }
 }
 
-Package mockPackage(PackageId id, Map dependencyStrings, Map overrides) {
+Package mockPackage(SourceRegistry sources, PackageId id, Map dependencyStrings,
+    Map overrides) {
   var sdkConstraint = null;
 
   // Build the pubspec dependencies.
@@ -1451,7 +1454,7 @@ Package mockPackage(PackageId id, Map dependencyStrings, Map overrides) {
       spec = spec.substring("(dev) ".length);
     }
 
-    var dep = parseSpec(spec).withConstraint(
+    var dep = parseSpec(sources, spec).withConstraint(
         new VersionConstraint.parse(constraint));
 
     if (dep.name == 'sdk') {
@@ -1469,8 +1472,8 @@ Package mockPackage(PackageId id, Map dependencyStrings, Map overrides) {
   var dependencyOverrides = <PackageDep>[];
   if (overrides != null) {
     overrides.forEach((spec, constraint) {
-      dependencyOverrides.add(parseSpec(spec).withConstraint(
-          new VersionConstraint.parse(constraint)));
+      dependencyOverrides.add(parseSpec(sources, spec)
+          .withConstraint(new VersionConstraint.parse(constraint)));
     });
   }
 
@@ -1497,7 +1500,7 @@ Package mockPackage(PackageId id, Map dependencyStrings, Map overrides) {
 ///
 /// The "from mock" optional suffix is the name of a source for the package.
 /// If omitted, it defaults to "mock1".
-PackageId parseSpec(String text, [String version]) {
+PackageId parseSpec(SourceRegistry sources, String text, [String version]) {
   var pattern = new RegExp(r"(([a-z_]*)(-[a-z_]+)?)( ([^ ]+))?( from (.*))?$");
   var match = pattern.firstMatch(text);
   if (match == null) {
@@ -1523,11 +1526,8 @@ PackageId parseSpec(String text, [String version]) {
     }
   }
 
-  var source = "mock1";
-  if (match[7] != null) {
-    source = match[7];
-    if (source == "root") source = null;
-  }
+  var source = sources["mock1"];
+  if (match[7] != null) source = match[7] == "root" ? null : sources[match[7]];
 
   return new PackageId(name, source, parsedVersion, description);
 }