go-ddl-parser/mariadb_test.go

299 lines
7.2 KiB
Go

package ddl
import (
"database/sql"
"fmt"
"testing"
"git.rpjosh.de/RPJosh/go-logger"
_ "github.com/go-sql-driver/mysql"
"github.com/google/go-cmp/cmp"
)
// TestGetTableSimple tests the construction of a Table struct
// with all supported data types and fields
func TestGetTableSimple(t *testing.T) {
db := ConnectToMariadb(t)
mDb := NewMariaDb(db)
// Create test table
tableName, err := createMariadbTable(db,
`
id INT(10) PRIMARY KEY NOT NULL AUTO_INCREMENT,
txt VARCHAR(100) DEFAULT 'Ich bins, der Tim!',
dte DATETIME NOT NULL
COMMENT 'Hallo ihr da!\nZeilenumbrüche'
`,
)
if err != nil {
t.Fatalf("Failed to create table: %s", err)
}
defer dropMariadbTable(db, tableName)
// Get columns
table, err := mDb.GetTable(RequireEnvString("MARIADB_DB", t), tableName)
if err != nil {
t.Fatalf("Failed to get columns: %s", err)
}
expected := &Table{
Name: tableName,
Schema: RequireEnvString("MARIADB_DB", t),
}
columns := []*MariadbColumn{
{
Column: &Column{
Name: "id",
PrimaryKey: true,
CanBeNull: false,
Type: IntType,
InternalType: "int(10)",
},
AutoIncrement: true,
DataTypeLenght: 10,
KeyType: MariadbKeyPrimary,
},
{
Column: &Column{
Name: "txt",
PrimaryKey: false,
CanBeNull: true,
Type: StringType,
InternalType: "varchar(100)",
DefaultValue: sql.NullString{
Valid: true,
String: "Ich bins, der Tim!",
},
},
AutoIncrement: false,
DataTypeLenght: 100,
},
{
Column: &Column{
Name: "dte",
PrimaryKey: false,
CanBeNull: false,
Type: DateType,
InternalType: "datetime",
Comment: "Hallo ihr da!\nZeilenumbrüche",
},
AutoIncrement: false,
DataTypeLenght: 0,
},
}
for _, c := range columns {
c.Extras = c
expected.Columns = append(expected.Columns, c.Column)
}
// Compare struct
if diff := cmp.Diff(table, expected); diff != "" {
t.Errorf("TestGetTable() mismatch (-want +got):\n%s", diff)
}
}
// TestGetTableSimple tests the construction of a Table struct
// that references another table
func TestGetTableFK(t *testing.T) {
db := ConnectToMariadb(t)
mDb := NewMariaDb(db)
// Create table we reference to
referenceTableName, err := createMariadbTable(db, `
id_to_ref INT(10) PRIMARY KEY NOT NULL AUTO_INCREMENT,
rand VARCHAR(10) NOT NULL`,
)
if err != nil {
t.Fatalf("Failed to create table: %s", err)
}
defer dropMariadbTable(db, referenceTableName)
// Create table with reference
tableName, err := createMariadbTable(db, `
id INT(10) PRIMARY KEY NOT NULL AUTO_INCREMENT,
other_id INT(10) NOT NULL,
CONSTRAINT fk_test_constraint_for_you FOREIGN KEY(other_id) REFERENCES `+referenceTableName+`(id_to_ref)
`)
if err != nil {
t.Fatalf("Failed to create table: %s", err)
}
defer dropMariadbTable(db, tableName)
table, err := mDb.GetTable(RequireEnvString("MARIADB_DB", t), tableName)
if err != nil {
t.Fatalf("Failed to get columns: %s", err)
}
expected := &Table{
Name: tableName,
Schema: RequireEnvString("MARIADB_DB", t),
}
columns := []*MariadbColumn{
{
Column: &Column{
Name: "id",
PrimaryKey: true,
CanBeNull: false,
Type: IntType,
InternalType: "int(10)",
},
AutoIncrement: true,
DataTypeLenght: 10,
KeyType: MariadbKeyPrimary,
},
{
Column: &Column{
Name: "other_id",
PrimaryKey: false,
CanBeNull: false,
Type: IntType,
InternalType: "int(10)",
ForeignKey: true,
ForeignKeyColumn: ForeignColumn{
Name: referenceTableName,
Schema: RequireEnvString("MARIADB_DB", t),
Column: "id_to_ref",
},
},
DataTypeLenght: 10,
KeyType: MariadbKeyMultipleIndex,
},
}
for _, c := range columns {
c.Extras = c
expected.Columns = append(expected.Columns, c.Column)
}
// Compare struct
if diff := cmp.Diff(table, expected); diff != "" {
t.Errorf("TestGetTableFK() mismatch (-want +got):\n%s", diff)
}
}
// TestGetTableSimple tests the selecting of multiple tables to a []Table array
func TestGetTables(t *testing.T) {
db := ConnectToMariadb(t)
mDb := NewMariaDb(db)
// Create two simple tables
tableName1, err := createMariadbTable(db, `idTab1 INT(10) NOT NULL`)
if err != nil {
t.Fatalf("Failed to create table: %s", err)
}
defer dropMariadbTable(db, tableName1)
tableName2, err := createMariadbTable(db, `idTab2 INT(10) NOT NULL`)
if err != nil {
t.Fatalf("Failed to create table: %s", err)
}
defer dropMariadbTable(db, tableName2)
tables, err := mDb.GetTables(RequireEnvString("MARIADB_DB", t))
if err != nil {
t.Fatalf("Failed to get tables: %s", err)
}
found1 := 0
found2 := 0
for _, tt := range tables {
if tt.Name == tableName1 {
found1 = found1 + 1
// Compare table
expected := &Table{
Name: tt.Name,
Schema: RequireEnvString("MARIADB_DB", t),
}
columns := []*MariadbColumn{
{
Column: &Column{
Name: "idTab1",
CanBeNull: false,
Type: IntType,
InternalType: "int(10)",
},
DataTypeLenght: 10,
},
}
for _, c := range columns {
c.Extras = c
expected.Columns = append(expected.Columns, c.Column)
}
// Compare struct
if diff := cmp.Diff(tt, expected); diff != "" {
t.Errorf("TestGetTables() mismatch of tab1: (-want +got):\n%s", diff)
}
}
if tt.Name == tableName2 {
found2 = found2 + 1
// Compare table
expected := &Table{
Name: tt.Name,
Schema: RequireEnvString("MARIADB_DB", t),
}
columns := []*MariadbColumn{
{
Column: &Column{
Name: "idTab2",
CanBeNull: false,
Type: IntType,
InternalType: "int(10)",
},
DataTypeLenght: 10,
},
}
for _, c := range columns {
c.Extras = c
expected.Columns = append(expected.Columns, c.Column)
}
// Compare struct
if diff := cmp.Diff(tt, expected); diff != "" {
t.Errorf("TestGetTables() mismatch of tab2: (-want +got):\n%s", diff)
}
}
}
// We expected to find exactly one single table
if found1 != 1 {
t.Errorf("Found %d instances of tab1. Expected 1 (len(rtc) = %d)", found1, len(tables))
}
if found2 != 1 {
t.Errorf("Found %d instances of tab2. Expected 1 (len(rtc) = %d)", found1, len(tables))
}
}
func ConnectToMariadb(t *testing.T) *sql.DB {
db, err := sql.Open("mysql", fmt.Sprintf(
"%s:%s@tcp(%s)/%s",
RequireEnvString("MARIADB_USER", t), RequireEnvString("MARIADB_PASSWORD", t), RequireEnvString("MARIADB_ADDRESS", t), RequireEnvString("MARIADB_DB", t),
))
if err != nil {
panic(fmt.Sprintf("Failed to open DB connection: %s", err))
}
return db
}
// createMariadbTable creates a table with the provided column configuration
// in statement and returns the created table name
func createMariadbTable(db *sql.DB, statement string) (string, error) {
name, _ := GenerateRandomString(8)
name = "ddl_test_" + name
sql := fmt.Sprintf("CREATE TABLE %s (%s)", name, statement)
_, err := db.Exec(sql)
if err != nil {
logger.Debug("Create statement: %s", sql)
}
return name, err
}
func dropMariadbTable(db *sql.DB, tableName string) error {
_, err := db.Exec("DROP TABLE " + tableName)
return err
}