Extract index scan to work towards more efficient seeks

1 files changed, 40 insertions, 0 deletions

diff --git a/spec/unit/core/index_file_spec.rb b/spec/unit/core/index_file_spec.rb
new file mode 100644
index 0000000..8d82b15
--- /dev/null
+++ b/spec/unit/core/index_file_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+RSpec.describe Spandx::Core::IndexFile do
+  subject { described_class.new(data_file) }
+
+  let(:data_file) { Spandx::Core::DataFile.new(tmp_file.path) }
+  let(:tmp_file) { Tempfile.new }
+
+  after do
+    tmp_file.unlink
+  end
+
+  describe '#scan' do
+    before do
+      data_file.insert('activemodel', '6.0.2.2', ['Apache-2.0'])
+      data_file.insert('spandx', '0.1.0', ['MIT'])
+      data_file.insert('zlib', '1.1.0', ['0BSD'])
+
+      subject.update!
+    end
+
+    specify do
+      subject.scan do |x|
+        expect(x.row(0)).to eql("\"activemodel\",\"6.0.2.2\",\"Apache-2.0\"\n")
+      end
+    end
+
+    specify do
+      subject.scan do |x|
+        expect(x.row(1)).to eql("\"spandx\",\"0.1.0\",\"MIT\"\n")
+      end
+    end
+
+    specify do
+      subject.scan do |x|
+        expect(x.row(2)).to eql("\"zlib\",\"1.1.0\",\"0BSD\"\n")
+      end
+    end
+  end
+end