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package sqlite
import (
"database/sql"
"testing"
"gorm.io/gorm/migrator"
"gorm.io/gorm/utils/tests"
)
func TestParseDDL(t *testing.T) {
params := []struct {
name string
sql []string
nFields int
columns []migrator.ColumnType
}{
{"with_fk", []string{
"CREATE TABLE `notes` (`id` integer NOT NULL,`text` varchar(500) DEFAULT \"hello\",`age` integer DEFAULT 18,`user_id` integer,PRIMARY KEY (`id`),CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`))",
"CREATE UNIQUE INDEX `idx_profiles_refer` ON `profiles`(`text`)",
}, 6, []migrator.ColumnType{
{NameValue: sql.NullString{String: "id", Valid: true}, DataTypeValue: sql.NullString{String: "integer", Valid: true}, ColumnTypeValue: sql.NullString{String: "integer", Valid: true}, PrimaryKeyValue: sql.NullBool{Bool: true, Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, DefaultValueValue: sql.NullString{Valid: false}},
{NameValue: sql.NullString{String: "text", Valid: true}, DataTypeValue: sql.NullString{String: "varchar", Valid: true}, LengthValue: sql.NullInt64{Int64: 500, Valid: true}, ColumnTypeValue: sql.NullString{String: "varchar(500)", Valid: true}, DefaultValueValue: sql.NullString{String: "hello", Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Bool: true, Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "age", Valid: true}, DataTypeValue: sql.NullString{String: "integer", Valid: true}, ColumnTypeValue: sql.NullString{String: "integer", Valid: true}, DefaultValueValue: sql.NullString{String: "18", Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "user_id", Valid: true}, DataTypeValue: sql.NullString{String: "integer", Valid: true}, ColumnTypeValue: sql.NullString{String: "integer", Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
},
},
{"with_check", []string{"CREATE TABLE Persons (ID int NOT NULL,LastName varchar(255) NOT NULL,FirstName varchar(255),Age int,CHECK (Age>=18),CHECK (FirstName<>'John'))"}, 6, []migrator.ColumnType{
{NameValue: sql.NullString{String: "ID", Valid: true}, DataTypeValue: sql.NullString{String: "int", Valid: true}, ColumnTypeValue: sql.NullString{String: "int", Valid: true}, NullableValue: sql.NullBool{Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "LastName", Valid: true}, DataTypeValue: sql.NullString{String: "varchar", Valid: true}, LengthValue: sql.NullInt64{Int64: 255, Valid: true}, ColumnTypeValue: sql.NullString{String: "varchar(255)", Valid: true}, NullableValue: sql.NullBool{Bool: false, Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "FirstName", Valid: true}, DataTypeValue: sql.NullString{String: "varchar", Valid: true}, LengthValue: sql.NullInt64{Int64: 255, Valid: true}, ColumnTypeValue: sql.NullString{String: "varchar(255)", Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "Age", Valid: true}, DataTypeValue: sql.NullString{String: "int", Valid: true}, ColumnTypeValue: sql.NullString{String: "int", Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
}},
{"lowercase", []string{"create table test (ID int NOT NULL)"}, 1, []migrator.ColumnType{
{NameValue: sql.NullString{String: "ID", Valid: true}, DataTypeValue: sql.NullString{String: "int", Valid: true}, ColumnTypeValue: sql.NullString{String: "int", Valid: true}, NullableValue: sql.NullBool{Bool: false, Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
},
},
{"no brackets", []string{"create table test"}, 0, nil},
{"with_special_characters", []string{
"CREATE TABLE `test` (`text` varchar(10) DEFAULT \"测试, \")",
}, 1, []migrator.ColumnType{
{NameValue: sql.NullString{String: "text", Valid: true}, DataTypeValue: sql.NullString{String: "varchar", Valid: true}, LengthValue: sql.NullInt64{Int64: 10, Valid: true}, ColumnTypeValue: sql.NullString{String: "varchar(10)", Valid: true}, DefaultValueValue: sql.NullString{String: "测试, ", Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
},
},
{
"table_name_with_dash",
[]string{
"CREATE TABLE `test-a` (`id` int NOT NULL)",
"CREATE UNIQUE INDEX `idx_test-a_id` ON `test-a`(`id`)",
},
1,
[]migrator.ColumnType{
{
NameValue: sql.NullString{String: "id", Valid: true},
DataTypeValue: sql.NullString{String: "int", Valid: true},
ColumnTypeValue: sql.NullString{String: "int", Valid: true},
NullableValue: sql.NullBool{Bool: false, Valid: true},
DefaultValueValue: sql.NullString{Valid: false},
UniqueValue: sql.NullBool{Bool: true, Valid: true},
PrimaryKeyValue: sql.NullBool{Valid: true},
},
},
},
{
"unique index",
[]string{
"CREATE TABLE `test-b` (`field` integer NOT NULL)",
"CREATE UNIQUE INDEX `idx_uq` ON `test-b`(`field`) WHERE field = 0",
},
1,
[]migrator.ColumnType{
{
NameValue: sql.NullString{String: "field", Valid: true},
DataTypeValue: sql.NullString{String: "integer", Valid: true},
ColumnTypeValue: sql.NullString{String: "integer", Valid: true},
PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true},
UniqueValue: sql.NullBool{Bool: true, Valid: true},
NullableValue: sql.NullBool{Bool: false, Valid: true},
},
},
},
{
"non-unique index",
[]string{
"CREATE TABLE `test-c` (`field` integer NOT NULL)",
"CREATE INDEX `idx_uq` ON `test-b`(`field`) WHERE field = 0",
},
1,
[]migrator.ColumnType{
{
NameValue: sql.NullString{String: "field", Valid: true},
DataTypeValue: sql.NullString{String: "integer", Valid: true},
ColumnTypeValue: sql.NullString{String: "integer", Valid: true},
PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true},
UniqueValue: sql.NullBool{Bool: false, Valid: true},
NullableValue: sql.NullBool{Bool: false, Valid: true},
},
},
},
}
for _, p := range params {
t.Run(p.name, func(t *testing.T) {
ddl, err := parseDDL(p.sql...)
if err != nil {
panic(err.Error())
}
tests.AssertEqual(t, p.sql[0], ddl.compile())
if len(ddl.fields) != p.nFields {
t.Fatalf("fields length doesn't match: expect: %v, got %v", p.nFields, len(ddl.fields))
}
tests.AssertEqual(t, ddl.columns, p.columns)
})
}
}
func TestParseDDL_Whitespaces(t *testing.T) {
testColumns := []migrator.ColumnType{
{
NameValue: sql.NullString{String: "id", Valid: true},
DataTypeValue: sql.NullString{String: "integer", Valid: true},
ColumnTypeValue: sql.NullString{String: "integer", Valid: true},
NullableValue: sql.NullBool{Bool: false, Valid: true},
DefaultValueValue: sql.NullString{Valid: false},
UniqueValue: sql.NullBool{Bool: true, Valid: true},
PrimaryKeyValue: sql.NullBool{Bool: true, Valid: true},
},
{
NameValue: sql.NullString{String: "dark_mode", Valid: true},
DataTypeValue: sql.NullString{String: "numeric", Valid: true},
ColumnTypeValue: sql.NullString{String: "numeric", Valid: true},
NullableValue: sql.NullBool{Valid: true},
DefaultValueValue: sql.NullString{String: "true", Valid: true},
UniqueValue: sql.NullBool{Bool: false, Valid: true},
PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true},
},
}
params := []struct {
name string
sql []string
nFields int
columns []migrator.ColumnType
}{
{
"with_newline",
[]string{"CREATE TABLE `users`\n(\nid integer primary key unique,\ndark_mode numeric DEFAULT true)"},
2,
testColumns,
},
{
"with_newline_2",
[]string{"CREATE TABLE `users` (\n\nid integer primary key unique,\ndark_mode numeric DEFAULT true)"},
2,
testColumns,
},
{
"with_missing_space",
[]string{"CREATE TABLE `users`(id integer primary key unique, dark_mode numeric DEFAULT true)"},
2,
testColumns,
},
{
"with_many_spaces",
[]string{"CREATE TABLE `users` (id integer primary key unique, dark_mode numeric DEFAULT true)"},
2,
testColumns,
},
}
for _, p := range params {
t.Run(p.name, func(t *testing.T) {
ddl, err := parseDDL(p.sql...)
if err != nil {
panic(err.Error())
}
if len(ddl.fields) != p.nFields {
t.Fatalf("fields length doesn't match: expect: %v, got %v", p.nFields, len(ddl.fields))
}
tests.AssertEqual(t, ddl.columns, p.columns)
})
}
}
func TestParseDDL_error(t *testing.T) {
params := []struct {
name string
sql string
}{
{"invalid_cmd", "CREATE TABLE"},
{"unbalanced_brackets", "CREATE TABLE test (ID int NOT NULL,Name varchar(255)"},
{"unbalanced_brackets2", "CREATE TABLE test (ID int NOT NULL,Name varchar(255)))"},
}
for _, p := range params {
t.Run(p.name, func(t *testing.T) {
_, err := parseDDL(p.sql)
if err == nil {
t.Fail()
}
})
}
}
func TestAddConstraint(t *testing.T) {
params := []struct {
name string
fields []string
cName string
sql string
expect []string
}{
{
name: "add_new",
fields: []string{"`id` integer NOT NULL"},
cName: "fk_users_notes",
sql: "CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`))",
expect: []string{"`id` integer NOT NULL", "CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`))"},
},
{
name: "update",
fields: []string{"`id` integer NOT NULL", "CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`))"},
cName: "fk_users_notes",
sql: "CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)) ON UPDATE CASCADE ON DELETE CASCADE",
expect: []string{"`id` integer NOT NULL", "CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)) ON UPDATE CASCADE ON DELETE CASCADE"},
},
{
name: "add_check",
fields: []string{"`id` integer NOT NULL"},
cName: "name_checker",
sql: "CONSTRAINT `name_checker` CHECK (`name` <> 'jinzhu')",
expect: []string{"`id` integer NOT NULL", "CONSTRAINT `name_checker` CHECK (`name` <> 'jinzhu')"},
},
{
name: "update_check",
fields: []string{"`id` integer NOT NULL", "CONSTRAINT `name_checker` CHECK (`name` <> 'thetadev')"},
cName: "name_checker",
sql: "CONSTRAINT `name_checker` CHECK (`name` <> 'jinzhu')",
expect: []string{"`id` integer NOT NULL", "CONSTRAINT `name_checker` CHECK (`name` <> 'jinzhu')"},
},
}
for _, p := range params {
t.Run(p.name, func(t *testing.T) {
testDDL := ddl{fields: p.fields}
testDDL.addConstraint(p.cName, p.sql)
tests.AssertEqual(t, p.expect, testDDL.fields)
})
}
}
func TestRemoveConstraint(t *testing.T) {
params := []struct {
name string
fields []string
cName string
success bool
expect []string
}{
{
name: "fk",
fields: []string{"`id` integer NOT NULL", "CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`))"},
cName: "fk_users_notes",
success: true,
expect: []string{"`id` integer NOT NULL"},
},
{
name: "check",
fields: []string{"CONSTRAINT `name_checker` CHECK (`name` <> 'thetadev')", "`id` integer NOT NULL"},
cName: "name_checker",
success: true,
expect: []string{"`id` integer NOT NULL"},
},
{
name: "none",
fields: []string{"CONSTRAINT `name_checker` CHECK (`name` <> 'thetadev')", "`id` integer NOT NULL"},
cName: "nothing",
success: false,
expect: []string{"CONSTRAINT `name_checker` CHECK (`name` <> 'thetadev')", "`id` integer NOT NULL"},
},
}
for _, p := range params {
t.Run(p.name, func(t *testing.T) {
testDDL := ddl{fields: p.fields}
success := testDDL.removeConstraint(p.cName)
tests.AssertEqual(t, p.success, success)
tests.AssertEqual(t, p.expect, testDDL.fields)
})
}
}
func TestGetColumns(t *testing.T) {
params := []struct {
name string
ddl string
columns []string
}{
{
name: "with_fk",
ddl: "CREATE TABLE `notes` (`id` integer NOT NULL,`text` varchar(500),`user_id` integer,PRIMARY KEY (`id`),CONSTRAINT `fk_users_notes` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`))",
columns: []string{"`id`", "`text`", "`user_id`"},
},
{
name: "with_check",
ddl: "CREATE TABLE Persons (ID int NOT NULL,LastName varchar(255) NOT NULL,FirstName varchar(255),Age int,CHECK (Age>=18),CHECK (FirstName!='John'))",
columns: []string{"`ID`", "`LastName`", "`FirstName`", "`Age`"},
},
{
name: "with_escaped_quote",
ddl: "CREATE TABLE Persons (ID int NOT NULL,LastName varchar(255) NOT NULL DEFAULT \"\",FirstName varchar(255))",
columns: []string{"`ID`", "`LastName`", "`FirstName`"},
},
{
name: "with_generated_column",
ddl: "CREATE TABLE Persons (ID int NOT NULL,LastName varchar(255) NOT NULL,FirstName varchar(255),FullName varchar(255) GENERATED ALWAYS AS (FirstName || ' ' || LastName))",
columns: []string{"`ID`", "`LastName`", "`FirstName`"},
},
{
name: "with_new_line",
ddl: `CREATE TABLE "tb_sys_role_menu__temp" (
"id" integer PRIMARY KEY AUTOINCREMENT,
"created_at" datetime NOT NULL,
"updated_at" datetime NOT NULL,
"created_by" integer NOT NULL DEFAULT 0,
"updated_by" integer NOT NULL DEFAULT 0,
"role_id" integer NOT NULL,
"menu_id" bigint NOT NULL
)`,
columns: []string{"`id`", "`created_at`", "`updated_at`", "`created_by`", "`updated_by`", "`role_id`", "`menu_id`"},
},
}
for _, p := range params {
t.Run(p.name, func(t *testing.T) {
testDDL, err := parseDDL(p.ddl)
if err != nil {
panic(err.Error())
}
cols := testDDL.getColumns()
tests.AssertEqual(t, p.columns, cols)
})
}
}
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