harden sanitree population (#5237)

Allow sanity tree checking to require multiple folder subtrees have no
errors. This allows us to ensure both the source folder subtree and
restore folder subtree are populated without issue.

---

#### Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No

#### Type of change

- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [x] 🤖 Supportability/Tests
- [x] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Test Plan

- [ ] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E

src/cmd/sanity_test/driveish/driveish.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/alcionai/clues"
 	"github.com/microsoftgraph/msgraph-sdk-go/models"
+	"golang.org/x/exp/slices"
 
 	"github.com/alcionai/corso/src/cmd/sanity_test/common"
 	"github.com/alcionai/corso/src/internal/common/ptr"
@@ -20,19 +21,20 @@ const (
 // this increases the chance that we'll run into a race collision with
 // the cleanup script.  Sometimes that's okay (deleting old data that
 // isn't scrutinized in the test), other times it's not.  We mark whether
-// that's okay to do or not by specifying the folder that's being
-// scrutinized for the test.  Any errors within that folder should cause
-// a fatal exit.  Errors outside of that folder get ignored.
+// that's okay to do or not by specifying the folders being
+// scrutinized for the test.  Any errors within those folders should cause
+// a fatal exit.  Errors outside of those folders get ignored.
 //
-// since we're using folder names, requireNoErrorsWithinFolderName will
+// since we're using folder names, mustPopulateFolders will
 // work best (ie: have the fewest collisions/side-effects) if the folder
-// name is very specific.  Standard sanity tests should include timestamps,
+// names are very specific.  Standard sanity tests should include timestamps,
 // which should help ensure that.  Be warned if you try to use it with
 // a more generic name: unintended effects could occur.
 func populateSanitree(
 	ctx context.Context,
 	ac api.Client,
-	driveID, requireNoErrorsWithinFolderName string,
+	driveID string,
+	mustPopulateFolders []string,
 ) *common.Sanitree[models.DriveItemable, models.DriveItemable] {
 	common.Infof(ctx, "building sanitree for drive: %s", driveID)
 
@@ -56,8 +58,8 @@ func populateSanitree(
 		ac,
 		driveID,
 		stree.Name+"/",
-		requireNoErrorsWithinFolderName,
-		rootName == requireNoErrorsWithinFolderName,
+		mustPopulateFolders,
+		slices.Contains(mustPopulateFolders, rootName),
 		stree)
 
 	return stree
@@ -66,7 +68,9 @@ func populateSanitree(
 func recursivelyBuildTree(
 	ctx context.Context,
 	ac api.Client,
-	driveID, location, requireNoErrorsWithinFolderName string,
+	driveID string,
+	location string,
+	mustPopulateFolders []string,
 	isChildOfFolderRequiringNoErrors bool,
 	stree *common.Sanitree[models.DriveItemable, models.DriveItemable],
 ) {
@@ -80,9 +84,9 @@ func recursivelyBuildTree(
 
 		common.Infof(
 			ctx,
-			"ignoring error getting children in directory %q because it is not within directory %q\nerror: %s\n%+v",
+			"ignoring error getting children in directory %q because it is not within directory set %v\nerror: %s\n%+v",
 			location,
-			requireNoErrorsWithinFolderName,
+			mustPopulateFolders,
 			err.Error(),
 			clues.ToCore(err))
 
@@ -99,11 +103,12 @@ func recursivelyBuildTree(
 			// currently we don't restore blank folders.
 			// skip permission check for empty folders
 			if ptr.Val(driveItem.GetFolder().GetChildCount()) == 0 {
-				common.Infof(ctx, "skipped empty folder: %s/%s", location, itemName)
+				common.Infof(ctx, "skipped empty folder: %s%s", location, itemName)
 				continue
 			}
 
-			cannotAllowErrors := isChildOfFolderRequiringNoErrors || itemName == requireNoErrorsWithinFolderName
+			cannotAllowErrors := isChildOfFolderRequiringNoErrors ||
+				slices.Contains(mustPopulateFolders, itemName)
 
 			branch := &common.Sanitree[models.DriveItemable, models.DriveItemable]{
 				Parent: stree,
@@ -124,7 +129,7 @@ func recursivelyBuildTree(
 				ac,
 				driveID,
 				location+branch.Name+"/",
-				requireNoErrorsWithinFolderName,
+				mustPopulateFolders,
 				cannotAllowErrors,
 				branch)
 		}

src/cmd/sanity_test/driveish/export.go

@@ -32,7 +32,7 @@ func CheckExport(
 		ctx,
 		ac,
 		driveID,
-		envs.RestoreContainer)
+		[]string{envs.SourceContainer})
 
 	sourceTree, ok := root.Children[envs.SourceContainer]
 	common.Assert(

src/cmd/sanity_test/driveish/restore.go

@@ -45,7 +45,14 @@ func CheckRestoration(
 		"drive_id", driveID,
 		"drive_name", driveName)
 
-	root := populateSanitree(ctx, ac, driveID, envs.RestoreContainer)
+	root := populateSanitree(
+		ctx,
+		ac,
+		driveID,
+		[]string{
+			envs.SourceContainer,
+			envs.RestoreContainer,
+		})
 
 	sourceTree, ok := root.Children[envs.SourceContainer]
 	common.Assert(