diff --git a/main_test.go b/main_test.go
new file mode 100644
index 00000000..35a851f3
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,131 @@
+package main
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+	"testing"
+)
+
+// Basic integration tests using the legacy BATS test scripts. This ensures the
+// new Golang implementation matches the existing Bash implementation.
+
+func TestBatsTests(t *testing.T) {
+	t.Run("current_command", func(t *testing.T) {
+		run_bats_file(t, "current_command.bats")
+	})
+
+	t.Run("get_asdf_config_value", func(t *testing.T) {
+		run_bats_file(t, "get_asdf_config_value.bats")
+	})
+
+	t.Run("help_command", func(t *testing.T) {
+		run_bats_file(t, "help_command.bats")
+	})
+
+	t.Run("info_command", func(t *testing.T) {
+		run_bats_file(t, "info_command.bats")
+	})
+
+	t.Run("install_command", func(t *testing.T) {
+		run_bats_file(t, "install_command.bats")
+	})
+
+	t.Run("latest_command", func(t *testing.T) {
+		run_bats_file(t, "latest_command.bats")
+	})
+
+	t.Run("list_command", func(t *testing.T) {
+		run_bats_file(t, "list_command.bats")
+	})
+
+	t.Run("plugin_extension_command", func(t *testing.T) {
+		run_bats_file(t, "plugin_extension_command.bats")
+	})
+
+	t.Run("plugin_list_all_command", func(t *testing.T) {
+		run_bats_file(t, "plugin_list_all_command.bats")
+	})
+
+	t.Run("plugin_remove_command", func(t *testing.T) {
+		run_bats_file(t, "plugin_remove_command.bats")
+	})
+
+	t.Run("plugin_test_command", func(t *testing.T) {
+		run_bats_file(t, "plugin_test_command.bats")
+	})
+
+	t.Run("plugin_update_command", func(t *testing.T) {
+		run_bats_file(t, "plugin_update_command.bats")
+	})
+
+	t.Run("remove_command", func(t *testing.T) {
+		run_bats_file(t, "remove_command.bats")
+	})
+
+	t.Run("reshim_command", func(t *testing.T) {
+		run_bats_file(t, "reshim_command.bats")
+	})
+
+	t.Run("reshim_command", func(t *testing.T) {
+		run_bats_file(t, "reshim_command.bats")
+	})
+
+	t.Run("shim_env_command", func(t *testing.T) {
+		run_bats_file(t, "shim_env_command.bats")
+	})
+
+	t.Run("shim_exec", func(t *testing.T) {
+		run_bats_file(t, "shim_exec.bats")
+	})
+
+	t.Run("shim_versions_command", func(t *testing.T) {
+		run_bats_file(t, "shim_versions_command.bats")
+	})
+
+	t.Run("shim_versions_command", func(t *testing.T) {
+		run_bats_file(t, "shim_versions_command.bats")
+	})
+
+	t.Run("uninstall_command", func(t *testing.T) {
+		run_bats_file(t, "uninstall_command.bats")
+	})
+
+	t.Run("update_command", func(t *testing.T) {
+		run_bats_file(t, "update_command.bats")
+	})
+
+	t.Run("version_commands", func(t *testing.T) {
+		run_bats_file(t, "version_commands.bats")
+	})
+
+	t.Run("where_command", func(t *testing.T) {
+		run_bats_file(t, "where_command.bats")
+	})
+
+	t.Run("which_command", func(t *testing.T) {
+		run_bats_file(t, "which_command.bats")
+	})
+}
+
+func run_bats_file(t *testing.T, filename string) {
+	t.Helper()
+
+	cmd := exec.Command("bats", filename)
+
+	// Capture stdout and stderr
+	var stdout strings.Builder
+	var stderr strings.Builder
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+
+	err := cmd.Run()
+	if err != nil {
+		// If command fails print both stderr and stdout
+		fmt.Println("stderr:", stderr.String())
+		fmt.Println("stdout:", stdout.String())
+		t.Fatal("bats command failed to run test file successfully")
+
+		return
+	}
+}