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|
package gockle
import (
"context"
"fmt"
"reflect"
"testing"
)
func TestIterator(t *testing.T) {
var s = newSession(t)
defer s.Close()
var exec = func(q string) {
if err := s.Exec(q); err != nil {
t.Fatalf("Actual error %v, expected no error", err)
}
}
exec(ksDropIf)
exec(ksCreate)
defer exec(ksDrop)
exec(tabCreate)
defer exec(tabDrop)
exec(rowInsert)
if i := s.ScanIterator("select * from gockle_test.test"); i == nil {
t.Error("Actual iterator nil, expected not nil")
} else {
var id, n int
if !i.Scan(&id, &n) {
t.Errorf("Actual more false, expected true")
}
if i.WillSwitchPage() {
t.Errorf("Actual WillSwitchPage true, expected false")
}
if state := i.PageState(); state != nil {
t.Errorf("Actual PageState not nil, expected nil")
}
if id != 1 {
t.Errorf("Actual id %v, expected 1", id)
}
if n != 2 {
t.Errorf("Actual n %v, expected 2", n)
}
if err := i.Close(); err != nil {
t.Errorf("Actual error %v, expected no error", err)
}
}
if i := s.ScanIterator("select * from gockle_test.test"); i == nil {
t.Error("Actual iterator nil, expected not nil")
} else {
var a = map[string]interface{}{}
if !i.ScanMap(a) {
t.Errorf("Actual more false, expected true")
}
if e := (map[string]interface{}{"id": 1, "n": 2}); !reflect.DeepEqual(a, e) {
t.Errorf("Actual map %v, expected %v", a, e)
}
if err := i.Close(); err != nil {
t.Errorf("Actual error %v, expected no error", err)
}
}
}
func TestIteratorPaging(t *testing.T) {
var s = newSession(t)
defer s.Close()
var exec = func(q string) {
if err := s.Exec(q); err != nil {
t.Fatalf("Actual error %v, expected no error", err)
}
}
exec(ksDropIf)
exec(ksCreate)
defer exec(ksDrop)
exec(tabCreate)
defer exec(tabDrop)
exec(rowInsert)
exec(rowInsert2)
q := s.Query("select * from gockle_test.test").
PageSize(1).
WithContext(context.Background())
var state []byte
if i := q.Iter(); i == nil {
t.Error("Actual iterator nil, expected not nil")
} else {
var id, n int
// First row
if !i.Scan(&id, &n) {
t.Errorf("Actual more false, expected true")
}
if !i.WillSwitchPage() {
t.Errorf("Actual WillSwitchPage false, expected true")
}
state = i.PageState()
if state == nil {
t.Errorf("Actual PageState nil, expected not nil")
}
if id != 1 {
t.Errorf("Actual id %v, expected 1", id)
}
if n != 2 {
t.Errorf("Actual n %v, expected 2", n)
}
}
// second row
q = q.PageState(state)
if i := q.Iter(); i == nil {
t.Error("Actual iterator nil, expected not nil")
} else {
var id, n int
if !i.Scan(&id, &n) {
t.Errorf("Actual more false, expected true")
}
if i.WillSwitchPage() {
t.Errorf("Actual WillSwitchPage true, expected false")
}
state = i.PageState()
if state == nil {
t.Errorf("Actual PageState nil, expected not nil")
}
if id != 3 {
t.Errorf("Actual id %v, expected 3", id)
}
if n != 4 {
t.Errorf("Actual n %v, expected 4", n)
}
if err := i.Close(); err != nil {
t.Errorf("Actual error %v, expected no error", err)
}
}
// third row (not existing)
q = q.PageState(state)
if i := q.Iter(); i == nil {
t.Error("Actual iterator nil, expected not nil")
} else {
var id, n int
if i.Scan(&id, &n) {
t.Errorf("Actual more true, expected false")
}
if i.WillSwitchPage() {
t.Errorf("Actual WillSwitchPage true, expected false")
}
state = i.PageState()
if state != nil {
t.Errorf("Actual PageState not nil, expected nil")
}
}
}
func TestIteratorMock(t *testing.T) {
var m, e = &IteratorMock{}, fmt.Errorf("e")
testMock(t, m, &m.Mock, []struct {
method string
arguments []interface{}
results []interface{}
}{
{"Close", nil, []interface{}{nil}},
{"Close", nil, []interface{}{e}},
{"Scan", []interface{}{[]interface{}(nil)}, []interface{}{false}},
{"Scan", []interface{}{[]interface{}{1}}, []interface{}{true}},
{"ScanMap", []interface{}{map[string]interface{}(nil)}, []interface{}{false}},
{"ScanMap", []interface{}{map[string]interface{}{"a": 1}}, []interface{}{true}},
{"WillSwitchPage", nil, []interface{}{false}},
{"WillSwitchPage", nil, []interface{}{true}},
{"PageState", nil, []interface{}{[]byte{}}},
{"PageState", nil, []interface{}{[]byte{1}}},
})
}
|
