1 files changed, 83 insertions, 0 deletions
diff --git a/spec/services/packages/nuget/process_package_file_service_spec.rb b/spec/services/packages/nuget/process_package_file_service_spec.rb
new file mode 100644
index 00000000000..cdeb5b32737
--- /dev/null
+++ b/spec/services/packages/nuget/process_package_file_service_spec.rb
@@ -0,0 +1,83 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Packages::Nuget::ProcessPackageFileService, feature_category: :package_registry do
+  let_it_be(:package_file) { build(:package_file, :nuget) }
+
+  let(:service) { described_class.new(package_file) }
+
+  describe '#execute' do
+    subject { service.execute }
+
+    shared_examples 'raises an error' do |error_message|
+      it { expect { subject }.to raise_error(described_class::ExtractionError, error_message) }
+    end
+
+    shared_examples 'not creating a symbol file' do
+      it 'does not call the CreateSymbolFilesService' do
+        expect(Packages::Nuget::Symbols::CreateSymbolFilesService).not_to receive(:new)
+
+        expect(subject).to be_success
+      end
+    end
+
+    context 'with valid package file' do
+      it 'calls the ExtractMetadataFileService' do
+        expect_next_instance_of(Packages::Nuget::ExtractMetadataFileService, instance_of(Zip::File)) do |service|
+          expect(service).to receive(:execute) do
+            instance_double(ServiceResponse).tap do |response|
+              expect(response).to receive(:payload).and_return(instance_of(String))
+            end
+          end
+        end
+
+        expect(subject).to be_success
+      end
+    end
+
+    context 'with invalid package file' do
+      let(:package_file) { nil }
+
+      it_behaves_like 'raises an error', 'invalid package file'
+    end
+
+    context 'when linked to a non nuget package' do
+      before do
+        package_file.package.maven!
+      end
+
+      it_behaves_like 'raises an error', 'invalid package file'
+    end
+
+    context 'with a 0 byte package file' do
+      before do
+        allow_next_instance_of(Packages::PackageFileUploader) do |instance|
+          allow(instance).to receive(:size).and_return(0)
+        end
+      end
+
+      it_behaves_like 'raises an error', 'invalid package file'
+    end
+
+    context 'with a symbol package file' do
+      let(:package_file) { build(:package_file, :snupkg) }
+
+      it 'calls the CreateSymbolFilesService' do
+        expect_next_instance_of(
+          Packages::Nuget::Symbols::CreateSymbolFilesService, package_file.package, instance_of(Zip::File)
+        ) do |service|
+          expect(service).to receive(:execute)
+        end
+
+        expect(subject).to be_success
+      end
+    end
+
+    context 'with a non symbol package file' do
+      let(:package_file) { build(:package_file, :nuget) }
+
+      it_behaves_like 'not creating a symbol file'
+    end
+  end
+end