1 files changed, 162 insertions, 0 deletions
diff --git a/spec/lib/sbom/package_url_spec.rb b/spec/lib/sbom/package_url_spec.rb
new file mode 100644
index 00000000000..6760b0a68e5
--- /dev/null
+++ b/spec/lib/sbom/package_url_spec.rb
@@ -0,0 +1,162 @@
+# frozen_string_literal: true
+
+# MIT License
+#
+# Copyright (c) 2021 package-url
+# Portions Copyright 2022 Gitlab B.V.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+require 'fast_spec_helper'
+require 'rspec-parameterized'
+
+require_relative '../../support/helpers/next_instance_of'
+require_relative '../../support/shared_contexts/lib/sbom/package_url_shared_contexts'
+
+RSpec.describe Sbom::PackageUrl do
+  include NextInstanceOf
+
+  describe '#initialize' do
+    subject do
+      described_class.new(
+        type: type,
+        namespace: namespace,
+        name: name,
+        version: version,
+        qualifiers: qualifiers,
+        subpath: subpath
+      )
+    end
+
+    context 'with well-formed arguments' do
+      include_context 'with valid purl examples'
+
+      with_them do
+        it do
+          is_expected.to have_attributes(
+            type: type,
+            namespace: namespace,
+            name: name,
+            version: version,
+            qualifiers: qualifiers,
+            subpath: subpath
+          )
+        end
+      end
+    end
+
+    context 'when no arguments are given' do
+      it { expect { described_class.new }.to raise_error(ArgumentError) }
+    end
+
+    context 'when parameters are invalid' do
+      include_context 'with invalid purl examples'
+
+      with_them do
+        it 'raises an ArgumentError' do
+          expect { subject }.to raise_error(ArgumentError)
+        end
+      end
+    end
+
+    describe 'normalization' do
+      it 'downcases provided type component' do
+        purl = described_class.new(type: 'EXAMPLE', name: 'test')
+
+        expect(purl.type).to eq('example')
+        expect(purl.name).to eq('test')
+      end
+
+      it 'does not down provided name component' do
+        purl = described_class.new(type: 'example', name: 'TEST')
+
+        expect(purl.type).to eq('example')
+        expect(purl.name).to eq('TEST')
+      end
+    end
+  end
+
+  describe '#parse' do
+    let(:url) { 'pkg:gem/rails@6.1.6.1' }
+
+    subject(:parse) { described_class.parse(url) }
+
+    it 'delegates parsing to the decoder' do
+      expect_next_instance_of(described_class::Decoder, url) do |decoder|
+        expect(decoder).to receive(:decode!)
+      end
+
+      parse
+    end
+  end
+
+  describe '#to_h' do
+    let(:package) do
+      described_class.new(
+        type: type,
+        namespace: namespace,
+        name: name,
+        version: version,
+        qualifiers: qualifiers,
+        subpath: subpath
+      )
+    end
+
+    subject(:to_h) { package.to_h }
+
+    include_context 'with valid purl examples'
+
+    with_them do
+      it do
+        is_expected.to eq(
+          {
+            scheme: 'pkg',
+            type: type,
+            namespace: namespace,
+            name: name,
+            version: version,
+            qualifiers: qualifiers,
+            subpath: subpath
+          }
+        )
+      end
+    end
+  end
+
+  describe '#to_s' do
+    let(:package) do
+      described_class.new(
+        type: 'npm',
+        namespace: nil,
+        name: 'lodash',
+        version: nil,
+        qualifiers: nil,
+        subpath: nil
+      )
+    end
+
+    it 'delegates to_s to the encoder' do
+      expect_next_instance_of(described_class::Encoder, package) do |encoder|
+        expect(encoder).to receive(:encode)
+      end
+
+      package.to_s
+    end
+  end
+end