gorm/clause/expression_test.go

96 lines
3.6 KiB
Go

package clause_test
import (
"database/sql"
"fmt"
"reflect"
"sync"
"testing"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"gorm.io/gorm/schema"
"gorm.io/gorm/utils/tests"
)
func TestExpr(t *testing.T) {
results := []struct {
SQL string
Result string
Vars []interface{}
}{{
SQL: "create table ? (? ?, ? ?)",
Vars: []interface{}{clause.Table{Name: "users"}, clause.Column{Name: "id"}, clause.Expr{SQL: "int"}, clause.Column{Name: "name"}, clause.Expr{SQL: "text"}},
Result: "create table `users` (`id` int, `name` text)",
}}
for idx, result := range results {
t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
user, _ := schema.Parse(&tests.User{}, &sync.Map{}, db.NamingStrategy)
stmt := &gorm.Statement{DB: db, Table: user.Table, Schema: user, Clauses: map[string]clause.Clause{}}
clause.Expr{SQL: result.SQL, Vars: result.Vars}.Build(stmt)
if stmt.SQL.String() != result.Result {
t.Errorf("generated SQL is not equal, expects %v, but got %v", result.Result, stmt.SQL.String())
}
})
}
}
func TestNamedExpr(t *testing.T) {
type NamedArgument struct {
Name1 string
Name2 string
}
results := []struct {
SQL string
Result string
Vars []interface{}
ExpectedVars []interface{}
}{{
SQL: "create table ? (? ?, ? ?)",
Vars: []interface{}{clause.Table{Name: "users"}, clause.Column{Name: "id"}, clause.Expr{SQL: "int"}, clause.Column{Name: "name"}, clause.Expr{SQL: "text"}},
Result: "create table `users` (`id` int, `name` text)",
}, {
SQL: "name1 = @name AND name2 = @name",
Vars: []interface{}{sql.Named("name", "jinzhu")},
Result: "name1 = ? AND name2 = ?",
ExpectedVars: []interface{}{"jinzhu", "jinzhu"},
}, {
SQL: "name1 = @name1 AND name2 = @name2 AND name3 = @name1",
Vars: []interface{}{sql.Named("name1", "jinzhu"), sql.Named("name2", "jinzhu2")},
Result: "name1 = ? AND name2 = ? AND name3 = ?",
ExpectedVars: []interface{}{"jinzhu", "jinzhu2", "jinzhu"},
}, {
SQL: "name1 = @name1 AND name2 = @name2 AND name3 = @name1",
Vars: []interface{}{map[string]interface{}{"name1": "jinzhu", "name2": "jinzhu2"}},
Result: "name1 = ? AND name2 = ? AND name3 = ?",
ExpectedVars: []interface{}{"jinzhu", "jinzhu2", "jinzhu"},
}, {
SQL: "@@test AND name1 = @name1 AND name2 = @name2 AND name3 = @name1 @notexist",
Vars: []interface{}{sql.Named("name1", "jinzhu"), sql.Named("name2", "jinzhu2")},
Result: "@@test AND name1 = ? AND name2 = ? AND name3 = ? ?",
ExpectedVars: []interface{}{"jinzhu", "jinzhu2", "jinzhu", nil},
}, {
SQL: "@@test AND name1 = @Name1 AND name2 = @Name2 AND name3 = @Name1 @Notexist",
Vars: []interface{}{NamedArgument{Name1: "jinzhu", Name2: "jinzhu2"}},
Result: "@@test AND name1 = ? AND name2 = ? AND name3 = ? ?",
ExpectedVars: []interface{}{"jinzhu", "jinzhu2", "jinzhu", nil},
}}
for idx, result := range results {
t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
user, _ := schema.Parse(&tests.User{}, &sync.Map{}, db.NamingStrategy)
stmt := &gorm.Statement{DB: db, Table: user.Table, Schema: user, Clauses: map[string]clause.Clause{}}
clause.NamedExpr{SQL: result.SQL, Vars: result.Vars}.Build(stmt)
if stmt.SQL.String() != result.Result {
t.Errorf("generated SQL is not equal, expects %v, but got %v", result.Result, stmt.SQL.String())
}
if !reflect.DeepEqual(result.ExpectedVars, stmt.Vars) {
t.Errorf("generated vars is not equal, expects %v, but got %v", result.ExpectedVars, stmt.Vars)
}
})
}
}