1 files changed, 39 insertions, 0 deletions
diff --git a/spec/lib/gitlab/import_export/file_importer_spec.rb b/spec/lib/gitlab/import_export/file_importer_spec.rb
index 7c54c5f2da1..870fe8bc7fc 100644
--- a/spec/lib/gitlab/import_export/file_importer_spec.rb
+++ b/spec/lib/gitlab/import_export/file_importer_spec.rb
@@ -98,6 +98,45 @@ describe Gitlab::ImportExport::FileImporter do
     end
   end
 
+  context 'when file exceeds acceptable decompressed size' do
+    let(:project) { create(:project) }
+    let(:shared) { Gitlab::ImportExport::Shared.new(project) }
+    let(:filepath) { File.join(Dir.tmpdir, 'file_importer_spec.gz') }
+
+    subject { described_class.new(importable: project, archive_file: filepath, shared: shared) }
+
+    before do
+      Zlib::GzipWriter.open(filepath) do |gz|
+        gz.write('Hello World!')
+      end
+    end
+
+    context 'when validate_import_decompressed_archive_size feature flag is enabled' do
+      before do
+        stub_feature_flags(validate_import_decompressed_archive_size: true)
+
+        allow(Gitlab::ImportExport::DecompressedArchiveSizeValidator).to receive(:max_bytes).and_return(1)
+      end
+
+      it 'returns false' do
+        expect(subject.import).to eq(false)
+        expect(shared.errors.join).to eq('Decompressed archive size validation failed.')
+      end
+    end
+
+    context 'when validate_import_decompressed_archive_size feature flag is disabled' do
+      before do
+        stub_feature_flags(validate_import_decompressed_archive_size: false)
+      end
+
+      it 'skips validation' do
+        expect(subject).to receive(:validate_decompressed_archive_size).never
+
+        subject.import
+      end
+    end
+  end
+
   def setup_files
     FileUtils.mkdir_p("#{shared.export_path}/subfolder/")
     FileUtils.touch(valid_file)