Tighten localhive package channel coverage

The localhive install route added by #17105 keeps using the local channel
and hive package folder layout. Make that contract explicit in the package
channel tests by using PackageChannelNames.Local and covering both pinned
and unpinned local hive package enumeration.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: radical

tests/Aspire.Cli.Tests/Packaging/PackageChannelTests.cs

@@ -102,16 +102,17 @@ public void SourceDetails_EmptyMappingsArray_ReturnsBasedOnNuGetConfig()
     }
 
     [Fact]
-    public async Task GetIntegrationPackagesAsync_WithPinnedLocalSource_ReturnsOnlyPinnedLocalPackages()
+    public async Task GetIntegrationPackagesAsync_WithLocalHiveSource_ReturnsOnlyPinnedLocalIntegrationPackages()
     {
         using var workspace = TemporaryWorkspace.Create(outputHelper);
         var packagesDirectory = workspace.CreateDirectory("packages");
         const string pinnedVersion = "13.4.0-pr.16820.gabcdef";
 
-        File.WriteAllText(Path.Combine(packagesDirectory.FullName, $"Aspire.Hosting.Redis.{pinnedVersion}.nupkg"), string.Empty);
-        File.WriteAllText(Path.Combine(packagesDirectory.FullName, $"Aspire.Hosting.PostgreSQL.{pinnedVersion}.nupkg"), string.Empty);
-        File.WriteAllText(Path.Combine(packagesDirectory.FullName, "Aspire.Hosting.SqlServer.13.3.0.nupkg"), string.Empty);
-        File.WriteAllText(Path.Combine(packagesDirectory.FullName, $"Aspire.ProjectTemplates.{pinnedVersion}.nupkg"), string.Empty);
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.Redis", pinnedVersion);
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.PostgreSQL", pinnedVersion);
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.SqlServer", "13.3.0");
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.Testing", pinnedVersion);
+        CreatePackageFile(packagesDirectory, "Aspire.ProjectTemplates", pinnedVersion);
 
         var cache = new FakeNuGetPackageCache
         {
@@ -123,7 +124,7 @@ public async Task GetIntegrationPackagesAsync_WithPinnedLocalSource_ReturnsOnlyP
             new PackageMapping("Aspire*", packageSource),
             new PackageMapping(PackageMapping.AllPackages, "https://api.nuget.org/v3/index.json")
         };
-        var channel = PackageChannel.CreateExplicitChannel("local", PackageChannelQuality.Both, mappings, cache, pinnedVersion: pinnedVersion);
+        var channel = PackageChannel.CreateExplicitChannel(PackageChannelNames.Local, PackageChannelQuality.Both, mappings, cache, pinnedVersion: pinnedVersion);
 
         var packages = (await channel.GetIntegrationPackagesAsync(workspace.WorkspaceRoot, CancellationToken.None).DefaultTimeout()).ToArray();
 
@@ -142,4 +143,59 @@ public async Task GetIntegrationPackagesAsync_WithPinnedLocalSource_ReturnsOnlyP
                 Assert.Equal(packageSource, package.Source);
             });
     }
+
+    [Fact]
+    public async Task GetIntegrationPackagesAsync_WithUnpinnedLocalHiveSource_ReturnsLatestLocalIntegrationPackages()
+    {
+        using var workspace = TemporaryWorkspace.Create(outputHelper);
+        var packagesDirectory = workspace.CreateDirectory("packages");
+        const string oldVersion = "13.4.0-local.1";
+        const string newVersion = "13.4.0-local.2";
+
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.Redis", oldVersion);
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.Redis", newVersion);
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.PostgreSQL", oldVersion);
+        CreatePackageFile(packagesDirectory, "CommunityToolkit.Aspire.Hosting.Dapr", newVersion);
+        CreatePackageFile(packagesDirectory, "Aspire.Hosting.AppHost", newVersion);
+
+        var cache = new FakeNuGetPackageCache
+        {
+            GetIntegrationPackagesAsyncCallback = (_, _, _, _) => throw new InvalidOperationException("Local package sources should be enumerated directly.")
+        };
+        var packageSource = packagesDirectory.FullName.Replace('\\', '/');
+        var mappings = new[]
+        {
+            new PackageMapping("Aspire*", packageSource),
+            new PackageMapping(PackageMapping.AllPackages, "https://api.nuget.org/v3/index.json")
+        };
+        var channel = PackageChannel.CreateExplicitChannel(PackageChannelNames.Local, PackageChannelQuality.Both, mappings, cache);
+
+        var packages = (await channel.GetIntegrationPackagesAsync(workspace.WorkspaceRoot, CancellationToken.None).DefaultTimeout()).ToArray();
+
+        Assert.Collection(
+            packages,
+            package =>
+            {
+                Assert.Equal("Aspire.Hosting.PostgreSQL", package.Id);
+                Assert.Equal(oldVersion, package.Version);
+                Assert.Equal(packageSource, package.Source);
+            },
+            package =>
+            {
+                Assert.Equal("Aspire.Hosting.Redis", package.Id);
+                Assert.Equal(newVersion, package.Version);
+                Assert.Equal(packageSource, package.Source);
+            },
+            package =>
+            {
+                Assert.Equal("CommunityToolkit.Aspire.Hosting.Dapr", package.Id);
+                Assert.Equal(newVersion, package.Version);
+                Assert.Equal(packageSource, package.Source);
+            });
+    }
+
+    private static void CreatePackageFile(DirectoryInfo directory, string packageId, string version)
+    {
+        File.WriteAllText(Path.Combine(directory.FullName, $"{packageId}.{version}.nupkg"), string.Empty);
+    }
 }