Adding gosec and lint, fixing null_type overflow

ChangeLog:
  - Adding gosec linting
  - Adding static type to enum
  - fixing nulltype overflow
  - Trying out gotestsum as an alternative to go-junit-report.xml

tests/init/init.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"database/sql"
+	"errors"
 	"flag"
 	"fmt"
 	"github.com/go-jet/jet/v2/generator/mysql"
@@ -124,7 +125,7 @@ func initMySQLDB(isMariaDB bool) error {
 
 		fmt.Println(cmdLine)
 
-		cmd := exec.Command("sh", "-c", cmdLine)
+		cmd := exec.Command("sh", "-c", cmdLine) // #nosec G204
 
 		cmd.Stderr = os.Stderr
 		cmd.Stdout = os.Stdout
@@ -183,7 +184,7 @@ func initPostgresDB(dbType string, connectionString string) error {
 }
 
 func execFile(db *sql.DB, sqlFilePath string) error {
-	testSampleSql, err := os.ReadFile(sqlFilePath)
+	testSampleSql, err := os.ReadFile(sqlFilePath) // #nosec G304
 	if err != nil {
 		return fmt.Errorf("failed to read sql file - %s: %w", sqlFilePath, err)
 	}
@@ -210,7 +211,10 @@ func execInTx(db *sql.DB, f func(tx *sql.Tx) error) error {
 	err = f(tx)
 
 	if err != nil {
-		tx.Rollback()
+		rollBackError := tx.Rollback()
+		if rollBackError != nil {
+			return errors.Join(rollBackError, err)
+		}
 		return err
 	}
 

tests/internal/utils/file/file.go

@@ -10,7 +10,7 @@ import (
 // Exists expects file to exist on path constructed from pathElems and returns content of the file
 func Exists(t *testing.T, pathElems ...string) (fileContent string) {
 	modelFilePath := path.Join(pathElems...)
-	file, err := os.ReadFile(modelFilePath)
+	file, err := os.ReadFile(modelFilePath) // #nosec G304
 	require.Nil(t, err)
 	require.NotEmpty(t, file)
 	return string(file)
@@ -19,6 +19,6 @@ func Exists(t *testing.T, pathElems ...string) (fileContent string) {
 // NotExists expects file not to exist on path constructed from pathElems
 func NotExists(t *testing.T, pathElems ...string) {
 	modelFilePath := path.Join(pathElems...)
-	_, err := os.ReadFile(modelFilePath)
+	_, err := os.ReadFile(modelFilePath) // #nosec G304
 	require.True(t, os.IsNotExist(err))
 }

tests/mysql/main_test.go

@@ -6,12 +6,9 @@ import (
 	jetmysql "github.com/go-jet/jet/v2/mysql"
 	"github.com/go-jet/jet/v2/postgres"
 	"github.com/go-jet/jet/v2/tests/dbconfig"
-	"github.com/stretchr/testify/require"
-	"math/rand"
-	"runtime"
-	"time"
-
 	_ "github.com/go-sql-driver/mysql"
+	"github.com/stretchr/testify/require"
+	"runtime"
 
 	"github.com/pkg/profile"
 	"os"
@@ -33,7 +30,6 @@ func sourceIsMariaDB() bool {
 }
 
 func TestMain(m *testing.M) {
-	rand.Seed(time.Now().Unix())
 	defer profile.Start().Stop()
 
 	var err error

tests/postgres/main_test.go

@@ -5,13 +5,10 @@ import (
 	"database/sql"
 	"fmt"
 	"github.com/go-jet/jet/v2/tests/internal/utils/repo"
-	"math/rand"
+	"github.com/jackc/pgx/v4/stdlib"
 	"os"
 	"runtime"
 	"testing"
-	"time"
-
-	"github.com/jackc/pgx/v4/stdlib"
 
 	"github.com/go-jet/jet/v2/postgres"
 	"github.com/go-jet/jet/v2/tests/dbconfig"
@@ -44,7 +41,6 @@ func skipForCockroachDB(t *testing.T) {
 }
 
 func TestMain(m *testing.M) {
-	rand.Seed(time.Now().Unix())
 	defer profile.Start().Stop()
 
 	setTestRoot()

tests/sqlite/main_test.go

@@ -8,30 +8,21 @@ import (
 	"github.com/go-jet/jet/v2/postgres"
 	"github.com/go-jet/jet/v2/sqlite"
 	"github.com/go-jet/jet/v2/tests/dbconfig"
-	"github.com/stretchr/testify/require"
-	"math/rand"
-	"os"
-	"os/exec"
-	"runtime"
-	"strings"
-	"testing"
-	"time"
-
 	"github.com/pkg/profile"
+	"github.com/stretchr/testify/require"
+	"os"
+	"runtime"
+	"testing"
 
 	_ "github.com/mattn/go-sqlite3"
 )
 
 var db *sql.DB
 var sampleDB *sql.DB
-var testRoot string
 
 func TestMain(m *testing.M) {
-	rand.Seed(time.Now().Unix())
 	defer profile.Start().Stop()
 
-	setTestRoot()
-
 	var err error
 	db, err = sql.Open("sqlite3", "file:"+dbconfig.SakilaDBPath)
 	throw.OnError(err)
@@ -50,16 +41,6 @@ func TestMain(m *testing.M) {
 	}
 }
 
-func setTestRoot() {
-	cmd := exec.Command("git", "rev-parse", "--show-toplevel")
-	byteArr, err := cmd.Output()
-	if err != nil {
-		panic(err)
-	}
-
-	testRoot = strings.TrimSpace(string(byteArr)) + "/tests/"
-}
-
 var loggedSQL string
 var loggedSQLArgs []interface{}
 var loggedDebugSQL string