mirror of
https://github.com/zitadel/zitadel.git
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9ab566fdeb
* fix: add keys to projections * change to multiple tables * query keys * query keys * fix race condition * fix timer reset * begin tests * tests * remove migration * only send to keyChannel if not nil
316 lines
7.8 KiB
Go
316 lines
7.8 KiB
Go
package query
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import (
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"database/sql"
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"database/sql/driver"
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"errors"
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"fmt"
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"log"
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"reflect"
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"testing"
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"time"
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"github.com/DATA-DOG/go-sqlmock"
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sq "github.com/Masterminds/squirrel"
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"github.com/stretchr/testify/assert"
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)
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var (
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testNow = time.Now()
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)
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//assertPrepare checks if the prepare func executes the correct sql query and returns the correct object
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//prepareFunc must be of type
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// func() (sq.SelectBuilder, func(*sql.Rows) (*struct, error))
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// or
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// func() (sq.SelectBuilder, func(*sql.Row) (*struct, error))
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//expectedObject represents the return value of scan
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//sqlExpectation represents the query executed on the database
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func assertPrepare(t *testing.T, prepareFunc, expectedObject interface{}, sqlExpectation sqlExpectation, isErr checkErr) bool {
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t.Helper()
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client, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("failed to build mock client: %v", err)
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}
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mock = sqlExpectation(mock)
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builder, scan, err := execPrepare(prepareFunc)
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if err != nil {
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t.Error(err)
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return false
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}
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errCheck := func(err error) (error, bool) {
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if isErr == nil {
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if err == nil {
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return nil, true
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} else {
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return fmt.Errorf("no error expected got: %w", err), false
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}
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}
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return isErr(err)
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}
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object, ok := execScan(client, builder, scan, errCheck)
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if !ok {
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t.Error(object)
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return false
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}
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if !assert.Equal(t, expectedObject, object) {
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return false
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Errorf("sql expectations not met: %v", err)
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return false
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}
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return true
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}
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type checkErr func(error) (err error, ok bool)
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type sqlExpectation func(sqlmock.Sqlmock) sqlmock.Sqlmock
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func mockQuery(stmt string, cols []string, row []driver.Value) func(m sqlmock.Sqlmock) sqlmock.Sqlmock {
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return func(m sqlmock.Sqlmock) sqlmock.Sqlmock {
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q := m.ExpectQuery(stmt)
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result := sqlmock.NewRows(cols)
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if len(row) > 0 {
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result.AddRow(row...)
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}
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q.WillReturnRows(result)
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return m
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}
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}
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func mockQueries(stmt string, cols []string, rows [][]driver.Value, args ...driver.Value) func(m sqlmock.Sqlmock) sqlmock.Sqlmock {
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return func(m sqlmock.Sqlmock) sqlmock.Sqlmock {
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q := m.ExpectQuery(stmt).WithArgs(args...)
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result := sqlmock.NewRows(cols)
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count := uint64(len(rows))
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for _, row := range rows {
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if cols[len(cols)-1] == "count" {
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row = append(row, count)
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}
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result.AddRow(row...)
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}
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q.WillReturnRows(result)
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q.RowsWillBeClosed()
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return m
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}
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}
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func mockQueryErr(stmt string, err error, args ...driver.Value) func(m sqlmock.Sqlmock) sqlmock.Sqlmock {
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return func(m sqlmock.Sqlmock) sqlmock.Sqlmock {
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q := m.ExpectQuery(stmt).WithArgs(args...)
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q.WillReturnError(err)
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return m
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}
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}
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var (
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rowType = reflect.TypeOf(&sql.Row{})
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rowsType = reflect.TypeOf(&sql.Rows{})
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selectBuilderType = reflect.TypeOf(sq.SelectBuilder{})
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)
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func execScan(client *sql.DB, builder sq.SelectBuilder, scan interface{}, errCheck checkErr) (interface{}, bool) {
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scanType := reflect.TypeOf(scan)
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err := validateScan(scanType)
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if err != nil {
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return err, false
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}
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stmt, args, err := builder.ToSql()
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if err != nil {
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return fmt.Errorf("unexpeted error from sql builder: %w", err), false
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}
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//resultSet represents *sql.Row or *sql.Rows,
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// depending on whats assignable to the scan function
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var resultSet interface{}
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//execute sql stmt
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// if scan(*sql.Rows)...
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if scanType.In(0).AssignableTo(rowsType) {
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resultSet, err = client.Query(stmt, args...)
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if err != nil {
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return errCheck(err)
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}
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// if scan(*sql.Row)...
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} else if scanType.In(0).AssignableTo(rowType) {
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row := client.QueryRow(stmt, args...)
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if row.Err() != nil {
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return errCheck(row.Err())
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}
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resultSet = row
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} else {
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return errors.New("scan: parameter must be *sql.Row or *sql.Rows"), false
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}
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// res contains object and error
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res := reflect.ValueOf(scan).Call([]reflect.Value{reflect.ValueOf(resultSet)})
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//check for error
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if res[1].Interface() != nil {
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if err, ok := errCheck(res[1].Interface().(error)); !ok {
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return fmt.Errorf("scan failed: %w", err), false
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}
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}
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return res[0].Interface(), true
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}
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func validateScan(scanType reflect.Type) error {
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if scanType.Kind() != reflect.Func {
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return errors.New("scan is not a function")
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}
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if scanType.NumIn() != 1 {
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return fmt.Errorf("scan: invalid number of inputs: want: 1 got %d", scanType.NumIn())
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}
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if scanType.NumOut() != 2 {
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return fmt.Errorf("scan: invalid number of outputs: want: 2 got %d", scanType.NumOut())
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}
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return nil
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}
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func execPrepare(prepare interface{}) (builder sq.SelectBuilder, scan interface{}, err error) {
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prepareVal := reflect.ValueOf(prepare)
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if err := validatePrepare(prepareVal.Type()); err != nil {
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return sq.SelectBuilder{}, nil, err
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}
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res := prepareVal.Call([]reflect.Value{})
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return res[0].Interface().(sq.SelectBuilder), res[1].Interface(), nil
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}
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func validatePrepare(prepareType reflect.Type) error {
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if prepareType.Kind() != reflect.Func {
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return errors.New("prepare is not a function")
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}
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if prepareType.NumIn() != 0 {
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return fmt.Errorf("prepare: invalid number of inputs: want: 0 got %d", prepareType.NumIn())
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}
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if prepareType.NumOut() != 2 {
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return fmt.Errorf("prepare: invalid number of outputs: want: 2 got %d", prepareType.NumOut())
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}
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if prepareType.Out(0) != selectBuilderType {
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return fmt.Errorf("prepare: first return value must be: %s got %s", selectBuilderType, prepareType.Out(0))
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}
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if prepareType.Out(1).Kind() != reflect.Func {
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return fmt.Errorf("prepare: second return value must be: %s got %s", reflect.Func, prepareType.Out(1))
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}
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return nil
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}
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func TestValidateScan(t *testing.T) {
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tests := []struct {
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name string
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t reflect.Type
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expectErr bool
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}{
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{
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name: "not a func",
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t: reflect.TypeOf(&struct{}{}),
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expectErr: true,
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},
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{
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name: "wong input count",
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t: reflect.TypeOf(func() (*struct{}, error) {
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log.Fatal("should not be executed")
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return nil, nil
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}),
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expectErr: true,
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},
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{
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name: "wrong output count",
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t: reflect.TypeOf(func(interface{}) error {
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log.Fatal("should not be executed")
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return nil
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}),
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expectErr: true,
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},
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{
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name: "correct",
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t: reflect.TypeOf(func(interface{}) (*struct{}, error) {
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log.Fatal("should not be executed")
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return nil, nil
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}),
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expectErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := validateScan(tt.t)
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if (err != nil) != tt.expectErr {
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t.Errorf("unexpected err: %v", err)
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}
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})
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}
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}
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func TestValidatePrepare(t *testing.T) {
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tests := []struct {
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name string
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t reflect.Type
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expectErr bool
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}{
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{
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name: "not a func",
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t: reflect.TypeOf(&struct{}{}),
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expectErr: true,
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},
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{
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name: "wong input count",
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t: reflect.TypeOf(func(int) (sq.SelectBuilder, func(*sql.Rows) (interface{}, error)) {
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log.Fatal("should not be executed")
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return sq.SelectBuilder{}, nil
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}),
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expectErr: true,
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},
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{
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name: "wrong output count",
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t: reflect.TypeOf(func() sq.SelectBuilder {
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log.Fatal("should not be executed")
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return sq.SelectBuilder{}
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}),
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expectErr: true,
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},
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{
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name: "first output type wrong",
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t: reflect.TypeOf(func() (*struct{}, func(*sql.Rows) (interface{}, error)) {
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log.Fatal("should not be executed")
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return nil, nil
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}),
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expectErr: true,
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},
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{
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name: "second output type wrong",
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t: reflect.TypeOf(func() (sq.SelectBuilder, *struct{}) {
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log.Fatal("should not be executed")
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return sq.SelectBuilder{}, nil
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}),
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expectErr: true,
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},
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{
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name: "correct",
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t: reflect.TypeOf(func() (sq.SelectBuilder, func(*sql.Rows) (interface{}, error)) {
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log.Fatal("should not be executed")
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return sq.SelectBuilder{}, nil
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}),
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expectErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := validatePrepare(tt.t)
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if (err != nil) != tt.expectErr {
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t.Errorf("unexpected err: %v", err)
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}
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})
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}
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}
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