sqlingo/interceptor_test.go

56 lines
1.0 KiB
Go

package sqlingo
import (
"context"
"testing"
)
func TestChainInterceptors(t *testing.T) {
s := ""
i1 := func(ctx context.Context, sql string, invoker InvokerFunc) error {
s += "<i1>"
s += sql
defer func() {
s += "</i1>"
}()
return invoker(ctx, sql+"s1")
}
i2 := func(ctx context.Context, sql string, invoker InvokerFunc) error {
s += "<i2>"
s += sql
defer func() {
s += "</i2>"
}()
return invoker(ctx, sql+"s2")
}
chain := ChainInterceptors(i1, i2)
_ = chain(context.Background(), "sql", func(ctx context.Context, sql string) error {
s += "<invoker>"
s += sql
defer func() {
s += "</invoker>"
}()
return nil
})
if s != "<i1>sql<i2>sqls1<invoker>sqls1s2</invoker></i2></i1>" {
t.Error(s)
}
}
func TestEmptyChainInterceptors(t *testing.T) {
s := ""
chain := ChainInterceptors()
_ = chain(context.Background(), "sql", func(ctx context.Context, sql string) error {
s += "<invoker>"
defer func() {
s += "</invoker>"
}()
s += sql
return nil
})
if s != "<invoker>sql</invoker>" {
t.Error(s)
}
}