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117 lines
3.1 KiB
117 lines
3.1 KiB
package tests
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import (
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"testing"
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"fmt"
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"reflect"
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"zedshaw.games/webapp/data"
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_ "github.com/mattn/go-sqlite3"
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sq "github.com/Masterminds/squirrel"
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)
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func SelectTable(table string, the_type reflect.Type) ([]reflect.Value, error) {
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var results []reflect.Value
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sql_query, args, err := sq.Select("*").From(table).ToSql()
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if err != nil { return results, err }
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rows, err := data.DB.Queryx(sql_query, args...)
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if err != nil { return results, err }
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defer rows.Close()
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for rows.Next() {
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the_data := reflect.New(the_type)
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err = rows.StructScan(the_data.Interface())
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if err != nil { return results, err }
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results = append(results, the_data.Elem())
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}
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return results, rows.Err()
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}
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func Get(table string, the_type reflect.Type, id int64) (reflect.Value, error) {
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sql_query, args, err := sq.Select("*").From(table).Where("id", id).ToSql()
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if err != nil { return reflect.New(nil), err }
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the_data := reflect.New(the_type)
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err = data.DB.Get(the_data.Interface(), sql_query, args...)
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// BUG: not sure if Elem or returning the reflect.New is better
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return the_data.Elem(), err
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}
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func Delete(table string, id int64) error {
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sql_query, args, err := sq.Delete(table).Where("id", id).ToSql()
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if err != nil { return err }
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_, err = data.DB.Exec(sql_query, args...)
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return err
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}
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func Update(table string, value reflect.Value) error {
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builder := sq.Update(table)
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type_of := value.Type()
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field_num := value.NumField()
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fmt.Printf("value has %d fields", field_num)
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for i := 0; i < field_num; i++ {
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field := value.Field(i)
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tag := type_of.Field(i).Tag.Get("db")
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// skip update of id to avoid replacing it
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if tag == "id" { continue }
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fmt.Printf("\nset %v to %v", tag, field.Interface())
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builder = builder.Set(tag, field.Interface())
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}
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builder.Where("id", value.FieldByName("Id").Interface())
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sql_query, args, err := builder.ToSql()
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fmt.Println("SQL: sql_query", sql_query, args, err)
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_, err = data.DB.Exec(sql_query, args...)
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return err
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}
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func TestAdminIndexPage(t *testing.T) {
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models := data.Models()
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table := "user"
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model := models[table]
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fmt.Printf("\n------\ntable=%s; model=%s\n", table, model.Name())
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fields := reflect.VisibleFields(model)
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for _, field := range fields {
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fmt.Println("\t", field.Name, field.Type, field.Tag)
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}
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all_rows, err := SelectTable(table, model)
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if err != nil { fmt.Println("ERROR", err) }
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first_row := all_rows[0]
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result, err := Get(table, model, first_row.FieldByName("Id").Int())
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if err != nil { fmt.Println("ERROR", err) }
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fmt.Println("TABLE: ", result)
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id := result.FieldByName("Id")
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result, err = Get(table, model, id.Int())
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if err != nil { fmt.Println("ERROR", err) }
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fmt.Println("GET: ", result)
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username := result.FieldByName("Username")
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username.SetString("joeblow")
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err = Update(table, result)
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if err != nil { fmt.Println("ERROR", err) }
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username.SetString("zedshaw")
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err = Update(table, result)
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if err != nil { fmt.Println("ERROR", err) }
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// err = Delete(table, id.Int())
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// if err != nil { fmt.Println("ERROR", err) }
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}
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