gorm/clause/with_test.go
2022-03-16 19:54:12 +08:00

105 lines
2.4 KiB
Go

package clause_test
import (
"fmt"
"testing"
"gorm.io/gorm/clause"
)
func TestWith(t *testing.T) {
results := []struct {
Clauses []clause.Interface
Result string
Vars []interface{}
}{
{
[]clause.Interface{clause.With{Exprs: []clause.Expression{
clause.WithExpression{Name: "cte1", Columns: []string{"foo", "bar"}, Expr: clause.Expr{SQL: "SELECT 1, 2"}},
clause.WithExpression{Name: "cte2", Expr: clause.Expr{SQL: "SELECT 1"}},
}}},
"WITH `cte1` (`foo`,`bar`) AS (SELECT 1, 2),`cte2` AS (SELECT 1)",
nil,
},
{
[]clause.Interface{
clause.With{
Recursive: true,
Exprs: []clause.Expression{clause.WithExpression{Name: "cte1", Expr: clause.Expr{SQL: "SELECT 1"}}},
},
clause.With{
Recursive: false,
Exprs: []clause.Expression{clause.WithExpression{Name: "cte2", Expr: clause.Expr{SQL: "SELECT 2"}}},
},
},
"WITH RECURSIVE `cte1` AS (SELECT 1),`cte2` AS (SELECT 2)",
nil,
},
{
[]clause.Interface{
clause.With{
Expression: clause.Expr{SQL: "`cte1` AS (SELECT 1)"},
},
clause.With{
Exprs: []clause.Expression{clause.WithExpression{Name: "cte2", Expr: clause.Expr{SQL: "SELECT 2"}}},
},
},
"WITH `cte1` AS (SELECT 1)",
nil,
},
{
[]clause.Interface{
clause.With{
Exprs: []clause.Expression{clause.WithExpression{Name: "cte1", Expr: clause.Expr{SQL: "SELECT 1"}}},
},
clause.With{
Expression: clause.Expr{SQL: "`cte2` AS (SELECT 2)"},
},
},
"WITH `cte2` AS (SELECT 2)",
nil,
},
{
[]clause.Interface{clause.With{
Exprs: []clause.Expression{
clause.WithExpression{Name: "cte1", Columns: []string{"foo", "bar"}, Expr: clause.Expr{SQL: "SELECT 1, 2"}},
},
Expression: clause.Expr{SQL: "cte2 AS (SELECT 1)"},
}},
"WITH cte2 AS (SELECT 1)",
nil,
},
{
[]clause.Interface{clause.With{
Recursive: false,
Exprs: nil,
Expression: nil,
}},
"WITH",
nil,
},
{
[]clause.Interface{clause.With{Exprs: []clause.Expression{clause.WithExpression{
Name: "",
Expr: clause.Expr{SQL: "SELECT 1"},
}}}},
"WITH",
nil,
},
{
[]clause.Interface{clause.With{Exprs: []clause.Expression{clause.WithExpression{
Name: "cte1",
Expr: nil,
}}}},
"WITH",
nil,
},
}
for idx, result := range results {
t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
checkBuildClauses(t, result.Clauses, result.Result, result.Vars)
})
}
}