Add spec for List (#24)

spec/cli/commands/list_spec.rb

@@ -4,4 +4,42 @@
 
 describe Ronin::Wordlists::CLI::Commands::List do
   include_examples "man_page"
+
+  describe '#run' do
+    context 'with given name' do
+      let(:name)      { 'list' }
+      let(:wordlists) { ['list1', 'list2'] }
+
+      it 'must list wordlists matching the specified name' do
+        expect(subject.wordlist_dir).to receive(:list).with(name).and_return(wordlists)
+        expect {
+          subject.run(name)
+        }.to output(
+          [
+            "  list1",
+            "  list2",
+            ""
+          ].join($/)
+        ).to_stdout
+      end
+    end
+
+    context 'witout given name' do
+      let(:wordlists) { ['wordlist1', 'wordlist2', 'wordlist3'] }
+
+      it 'must list all wordlists' do
+        expect(subject.wordlist_dir).to receive(:list).with(no_args).and_return(wordlists)
+        expect {
+          subject.run
+        }.to output(
+          [
+            "  wordlist1",
+            "  wordlist2",
+            "  wordlist3",
+            ""
+          ].join($/)
+        ).to_stdout
+      end
+    end
+  end
 end