Add app tests

Author: Uğur Özyılmazel

Rakefile

@@ -47,28 +47,9 @@ task :test, [:verbose] do |_, args|
   system "go test #{args.verbose} ./..."
 end
 
-desc "Run doc server"
-task :serve_doc, [:port] do |_, args|
-  args.with_defaults(port: 6060)
-  url = "http://127.0.0.1:#{args.port}"
-
-  pages = [
-    'scraper-cli', 
-  ]
-
-  puts "Doc server is running at: #{url}...\n\n"
-  pages.each do |u|
-    puts "#{url}/pkg/github.com/promptapi/#{u}/"
-  end
-  puts "\n"
-
-  system "godoc -http=:#{args.port}"
-end
-
 ORGANIZATION_NAME = "promptapi"
 REPO_NAME = "scraper-cli"
 
-
 desc "Publish project with revision: #{AVAILABLE_REVISIONS.join(',')}, default: patch"
 task :publish, [:revision] do |_, args|
   args.with_defaults(revision: "patch")

pkg/app/app_test.go

@@ -0,0 +1,30 @@
+package app
+
+import (
+	"bytes"
+	"os"
+	"testing"
+)
+
+var cmd *CLIApplication
+
+func TestMain(m *testing.M) {
+	cmd = NewCLIApplication()
+	os.Exit(m.Run())
+}
+
+func TestAppVersion(t *testing.T) {
+	t.Run("app should have a version information", func(t *testing.T) {
+
+		buff := new(bytes.Buffer)
+
+		*optVersionInformation = true
+		cmd.Out = buff
+		cmd.Run()
+
+		curVersion := string(bytes.TrimSpace(buff.Bytes()))
+		if curVersion != version {
+			t.Errorf("want: %s, got: %s", version, curVersion)
+		}
+	})
+}