diff --git a/test/lib/skunk/application_test.rb b/test/lib/skunk/application_test.rb
new file mode 100644
index 0000000..5bd9f66
--- /dev/null
+++ b/test/lib/skunk/application_test.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "skunk/cli/application"
+
+describe Skunk::Cli::Application do
+  describe "#execute" do
+    let(:argv) { ["--help"] }
+    let(:application) { Skunk::Cli::Application.new(argv) }
+
+    context "when passing an invalid option" do
+      let(:argv) { ["--foo"] }
+      let(:error_code) { 1 }
+
+      it "returns an error code (1)" do
+        result = application.execute
+        _(result).must_equal error_code
+      end
+    end
+
+    context "when passing a valid option" do
+      let(:argv) { ["--help"] }
+      let(:success_code) { 0 }
+
+      it "returns a success code (0)" do
+        result = application.execute
+        _(result).must_equal success_code
+      end
+    end
+  end
+end