package main

import (
	"os"
	"path/filepath"
	"testing"
)

func TestMigrationPreviewDoesNotConnect(t *testing.T) {
	dir := t.TempDir()
	if err := os.WriteFile(filepath.Join(dir, "0001_createItems.up.sql"), []byte("CREATE TABLE testItems(id BIGINT);"), 0600); err != nil {
		t.Fatal(err)
	}
	t.Setenv("GO_OMNI_DB_DSN", "not a DSN")
	if err := runMigrate([]string{"--dir", dir}); err != nil {
		t.Fatal("preview tried to connect", err)
	}
	t.Setenv("GO_OMNI_DB_DSN", "")
	if err := runMigrate([]string{"--dir", dir, "--apply"}); err == nil {
		t.Fatal("missing DSN accepted")
	}
	if err := runMigrate([]string{"--dir", dir, "--force"}); err == nil {
		t.Fatal("unsafe unknown flag accepted")
	}
}