Restore-DbaDatabase - Say that nothing was restored when the selection is empty

public/Restore-DbaDatabase.ps1

@@ -877,6 +877,14 @@ function Restore-DbaDatabase {
             if ($StopAfterSelectBackupInformation) {
                 return
             }
+            if (-not $FilteredBackupHistory) {
+                # Without -EnableException, Select-DbaBackupInformation only warns when nothing restorable is left - no
+                # full backup anchors the chain, or nothing is newer than the continue point - and used to hand an empty
+                # selection on to the restore, which then returned nothing and looked like success (#10657). Say plainly
+                # that nothing was restored; the warning before this one names the reason.
+                Stop-Function -Message "Nothing to restore: the backup information selected no restorable backups for $($BackupHistory.Database | Sort-Object -Unique) on $RestoreInstance. A full backup has to anchor the chain (or -Continue has to point at a database restored with -NoRecovery), see the warning above for what was missing."
+                return
+            }
             try {
                 Write-Message -Level Verbose -Message "VerifyOnly = $VerifyOnly"
                 $parms = @{

tests/Restore-DbaDatabase.Tests.ps1

@@ -225,8 +225,14 @@ Describe $CommandName -Tag IntegrationTests {
                 WarningAction = "SilentlyContinue"
             }
             $results = Restore-DbaDatabase @splatRestore
-            $WarnVar | Should -BeLike "*Fullname property not found*"
             $results | Should -BeNullOrEmpty
+            # Two warnings: the selection names what is missing, and the command says that nothing was
+            # restored because of it (#10657). Before, the second one did not exist and the empty result
+            # looked like a successful restore.
+            $warnings = @($WarnVar) -join " "
+            $warnings | Should -BeLike "*Fullname property not found*"
+            $warnings | Should -BeLike "*Nothing to restore*"
+            $warnings | Should -BeLike "*$chainDbName*"
         }
 
         It "Throws when the path holds no backups at all with EnableException" {
@@ -239,6 +245,19 @@ Describe $CommandName -Tag IntegrationTests {
             }
             { Restore-DbaDatabase @splatRestore } | Should -Throw "*No backups passed through*"
         }
+
+        It "Warns that no backups passed through and returns nothing without EnableException" {
+            $splatRestore = @{
+                SqlInstance   = $TestConfig.InstanceSingle
+                Path          = $emptyBackupDir
+                DatabaseName  = $chainDbName
+                WithReplace   = $true
+                WarningAction = "SilentlyContinue"
+            }
+            $results = Restore-DbaDatabase @splatRestore
+            $results | Should -BeNullOrEmpty
+            @($WarnVar) -join " " | Should -BeLike "*No backups passed through*"
+        }
     }