diff --git a/plugins/main.go b/plugins/main.go
index ea3ef771..b1e5b3c3 100644
--- a/plugins/main.go
+++ b/plugins/main.go
@@ -46,7 +46,6 @@ func PluginAdd(config config.Config, pluginName, pluginUrl string) error {
 		return fmt.Errorf("Unable to clone plugin: %w", err)
 	}
 
-	// TODO: Implement this function
 	return nil
 }
 
diff --git a/plugins/main_test.go b/plugins/main_test.go
index c17e4a6e..54c8ba53 100644
--- a/plugins/main_test.go
+++ b/plugins/main_test.go
@@ -9,6 +9,12 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+// TODO: Switch to local repo so tests don't go over the network
+const (
+	testRepo       = "https://github.com/Stratus3D/asdf-lua"
+	testPluginName = "lua"
+)
+
 func TestPluginAdd(t *testing.T) {
 	testDataDir := t.TempDir()
 
@@ -17,7 +23,7 @@ func TestPluginAdd(t *testing.T) {
 
 		for _, invalid := range invalids {
 			t.Run(invalid, func(t *testing.T) {
-				err := PluginAdd(config.Config{}, invalid, "https://github.com/Stratus3D/asdf-lua")
+				err := PluginAdd(config.Config{}, invalid, testRepo)
 
 				expectedErrMsg := "is invalid. Name may only contain lowercase letters, numbers, '_', and '-'"
 				if !strings.Contains(err.Error(), expectedErrMsg) {
@@ -31,14 +37,14 @@ func TestPluginAdd(t *testing.T) {
 		conf := config.Config{DataDir: testDataDir}
 
 		// Add plugin
-		err := PluginAdd(conf, "lua", "https://github.com/Stratus3D/asdf-lua")
+		err := PluginAdd(conf, testPluginName, testRepo)
 
 		if err != nil {
 			t.Fatal("Expected to be able to add plugin")
 		}
 
 		// Add it again to trigger error
-		err = PluginAdd(conf, "lua", "https://github.com/Stratus3D/asdf-lua")
+		err = PluginAdd(conf, testPluginName, testRepo)
 
 		if err == nil {
 			t.Fatal("expected error got nil")
@@ -59,19 +65,35 @@ func TestPluginAdd(t *testing.T) {
 	})
 
 	t.Run("when plugin name and URL are valid installs plugin", func(t *testing.T) {
+		testDataDir := t.TempDir()
+		conf := config.Config{DataDir: testDataDir}
+
+		err := PluginAdd(conf, testPluginName, testRepo)
+
+		assert.Nil(t, err, "Expected to be able to add plugin")
+
+		// Assert plugin directory contains Git repo with bin directory
+		pluginDir := PluginDirectory(testDataDir, testPluginName)
+
+		_, err = os.ReadDir(pluginDir + "/.git")
+		assert.Nil(t, err)
+
+		entries, err := os.ReadDir(pluginDir + "/bin")
+		assert.Nil(t, err)
+		assert.Equal(t, 5, len(entries))
 	})
 }
 
 func TestPluginExists(t *testing.T) {
 	testDataDir := t.TempDir()
-	pluginDir := PluginDirectory(testDataDir, "lua")
+	pluginDir := PluginDirectory(testDataDir, testPluginName)
 	err := os.MkdirAll(pluginDir, 0777)
 	if err != nil {
 		t.Errorf("got %v, expected nil", err)
 	}
 
 	t.Run("returns true when plugin exists", func(t *testing.T) {
-		exists, err := PluginExists(testDataDir, "lua")
+		exists, err := PluginExists(testDataDir, testPluginName)
 
 		if err != nil {
 			t.Errorf("got %v, expected nil", err)
@@ -116,7 +138,7 @@ func TestPluginExists(t *testing.T) {
 
 func TestPluginDirectory(t *testing.T) {
 	t.Run("returns new path with plugin name as last segment", func(t *testing.T) {
-		pluginDir := PluginDirectory("~/.asdf/", "lua")
+		pluginDir := PluginDirectory("~/.asdf/", testPluginName)
 		expected := "~/.asdf/plugins/lua"
 		if pluginDir != expected {
 			t.Errorf("got %v, expected %v", pluginDir, expected)
@@ -126,7 +148,7 @@ func TestPluginDirectory(t *testing.T) {
 
 func TestValidatePluginName(t *testing.T) {
 	t.Run("returns no error when plugin name is valid", func(t *testing.T) {
-		err := validatePluginName("lua")
+		err := validatePluginName(testPluginName)
 		refuteError(t, err)
 	})