1 files changed, 28 insertions, 0 deletions
diff --git a/spec/finders/packages/debian/distributions_finder_spec.rb b/spec/finders/packages/debian/distributions_finder_spec.rb
new file mode 100644
index 00000000000..f141b13e394
--- /dev/null
+++ b/spec/finders/packages/debian/distributions_finder_spec.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Packages::Debian::DistributionsFinder do
+  it_behaves_like 'Debian Distributions Finder', :debian_project_distribution, true
+  it_behaves_like 'Debian Distributions Finder', :debian_group_distribution, false
+
+  context 'with nil container' do
+    let(:service) { described_class.new(nil) }
+
+    subject { service.execute.to_a }
+
+    it 'raises error' do
+      expect { subject }.to raise_error ArgumentError, "Unexpected container type of 'NilClass'"
+    end
+  end
+
+  context 'with unexpected container type' do
+    let(:service) { described_class.new(:invalid) }
+
+    subject { service.execute.to_a }
+
+    it 'raises error' do
+      expect { subject }.to raise_error ArgumentError, "Unexpected container type of 'Symbol'"
+    end
+  end
+end