route/vendor/github.com/asdine/storm/query_test.go

555 lines
11 KiB
Go

package storm
import (
"fmt"
"testing"
"github.com/asdine/storm/codec/json"
"github.com/asdine/storm/q"
"github.com/stretchr/testify/require"
)
type Score struct {
ID int
Value int
}
func prepareScoreDB(t *testing.T) (*DB, func()) {
db, cleanup := createDB(t, AutoIncrement())
for i := 0; i < 20; i++ {
err := db.Save(&Score{
Value: i,
})
require.NoError(t, err)
}
return db, cleanup
}
func TestSelectFind(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
var scores []Score
var scoresPtr []*Score
err := db.Select(q.Eq("Value", 5)).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 1)
require.Equal(t, 5, scores[0].Value)
err = db.Select(q.Eq("Value", 5)).Find(&scoresPtr)
require.NoError(t, err)
require.Len(t, scoresPtr, 1)
require.Equal(t, 5, scoresPtr[0].Value)
err = db.Select(
q.Or(
q.Eq("Value", 5),
q.Eq("Value", 6),
),
).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 2)
require.Equal(t, 5, scores[0].Value)
require.Equal(t, 6, scores[1].Value)
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 6)
require.Equal(t, 0, scores[0].Value)
require.Equal(t, 1, scores[1].Value)
require.Equal(t, 2, scores[2].Value)
require.Equal(t, 5, scores[3].Value)
require.Equal(t, 18, scores[4].Value)
require.Equal(t, 19, scores[5].Value)
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Reverse().Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 6)
require.Equal(t, 19, scores[0].Value)
require.Equal(t, 18, scores[1].Value)
require.Equal(t, 5, scores[2].Value)
require.Equal(t, 2, scores[3].Value)
require.Equal(t, 1, scores[4].Value)
require.Equal(t, 0, scores[5].Value)
}
func TestSelectFindSkip(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
var scores []Score
err := db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(4).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 2)
require.Equal(t, 18, scores[0].Value)
require.Equal(t, 19, scores[1].Value)
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(-10).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 6)
require.Equal(t, 0, scores[0].Value)
scores = nil
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(1000).Find(&scores)
require.Error(t, err)
require.True(t, ErrNotFound == err)
require.Len(t, scores, 0)
}
func TestSelectFindLimit(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
var scores []Score
err := db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Limit(2).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 2)
require.Equal(t, 0, scores[0].Value)
require.Equal(t, 1, scores[1].Value)
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Limit(-10).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 6)
require.Equal(t, 0, scores[0].Value)
scores = nil
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Limit(0).Find(&scores)
require.Error(t, err)
require.True(t, ErrNotFound == err)
require.Len(t, scores, 0)
}
func TestSelectFindLimitSkip(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
var scores []Score
err := db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Limit(2).Skip(2).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 2)
require.Equal(t, 2, scores[0].Value)
require.Equal(t, 5, scores[1].Value)
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Limit(2).Skip(5).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 1)
require.Equal(t, 19, scores[0].Value)
}
func TestSelectFindOrderBy(t *testing.T) {
db, cleanup := createDB(t)
defer cleanup()
type T struct {
ID int `storm:"increment"`
Str string
Int int
Rnd int
}
strs := []string{"e", "b", "d", "a", "c", "d"}
ints := []int{2, 3, 5, 4, 2, 1}
for i := 0; i < 6; i++ {
record := T{
Str: strs[i],
Int: ints[i],
}
if i == 3 {
record.Rnd = 3
}
err := db.Save(&record)
require.NoError(t, err)
}
var list []T
err := db.Select().OrderBy("ID").Find(&list)
require.NoError(t, err)
require.Len(t, list, 6)
for i, j := 0, 0; i < 6; i, j = i+1, j+1 {
if i == 2 {
j--
}
require.Equal(t, i+1, list[i].ID)
}
list = nil
err = db.Select().OrderBy("Str").Find(&list)
require.NoError(t, err)
require.Len(t, list, 6)
for i, j := 0, 0; i < 6; i, j = i+1, j+1 {
if i == 4 {
j--
}
require.Equal(t, string([]byte{'a' + byte(j)}), list[i].Str)
}
list = nil
err = db.Select().OrderBy("Int").Find(&list)
require.NoError(t, err)
require.Len(t, list, 6)
for i, j := 0, 0; i < 6; i, j = i+1, j+1 {
if i == 2 {
j--
}
require.Equal(t, j+1, list[i].Int)
}
list = nil
err = db.Select().OrderBy("Rnd").Find(&list)
require.NoError(t, err)
require.Len(t, list, 6)
require.Equal(t, 1, list[0].ID)
require.Equal(t, 2, list[1].ID)
require.Equal(t, 3, list[2].ID)
require.Equal(t, 5, list[3].ID)
require.Equal(t, 6, list[4].ID)
require.Equal(t, 4, list[5].ID)
list = nil
err = db.Select().OrderBy("Int").Reverse().Find(&list)
require.NoError(t, err)
require.Len(t, list, 6)
for i, j := 0, 0; i < 6; i, j = i+1, j+1 {
if i == 4 {
j--
}
require.Equal(t, 5-j, list[i].Int)
}
list = nil
err = db.Select().OrderBy("Int").Reverse().Limit(2).Find(&list)
require.NoError(t, err)
require.Len(t, list, 2)
for i := 0; i < 2; i++ {
require.Equal(t, 5-i, list[i].Int)
}
list = nil
err = db.Select().OrderBy("Int").Reverse().Skip(2).Find(&list)
require.NoError(t, err)
require.Len(t, list, 4)
for i, j := 0, 0; i < 3; i, j = i+1, j+1 {
if i == 2 {
j--
}
require.Equal(t, 3-j, list[i].Int)
}
list = nil
err = db.Select().OrderBy("Int").Reverse().Skip(5).Limit(2).Find(&list)
require.NoError(t, err)
require.Len(t, list, 1)
require.Equal(t, 1, list[0].Int)
list = nil
err = db.Select().OrderBy("Str", "Int").Find(&list)
require.NoError(t, err)
require.Len(t, list, 6)
require.Equal(t, "a", list[0].Str)
require.Equal(t, 4, list[0].Int)
require.Equal(t, "b", list[1].Str)
require.Equal(t, 3, list[1].Int)
require.Equal(t, "c", list[2].Str)
require.Equal(t, 2, list[2].Int)
require.Equal(t, "d", list[3].Str)
require.Equal(t, 1, list[3].Int)
require.Equal(t, "d", list[4].Str)
require.Equal(t, 5, list[4].Int)
require.Equal(t, "e", list[5].Str)
require.Equal(t, 2, list[5].Int)
}
func TestSelectFirst(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
var score Score
err := db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(2).First(&score)
require.NoError(t, err)
require.Equal(t, 2, score.Value)
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(1).Reverse().First(&score)
require.NoError(t, err)
require.Equal(t, 18, score.Value)
}
func TestSelectFirstOrderBy(t *testing.T) {
db, cleanup := createDB(t)
defer cleanup()
type T struct {
ID int `storm:"increment"`
Str string
Int int
}
strs := []string{"e", "b", "a", "c", "d"}
ints := []int{2, 3, 1, 4, 5}
for i := 0; i < 5; i++ {
err := db.Save(&T{
Str: strs[i],
Int: ints[i],
})
require.NoError(t, err)
}
var record T
err := db.Select().OrderBy("ID").First(&record)
require.NoError(t, err)
require.Equal(t, 1, record.ID)
err = db.Select().OrderBy("Str").First(&record)
require.NoError(t, err)
require.Equal(t, "a", record.Str)
err = db.Select().OrderBy("Int").First(&record)
require.NoError(t, err)
require.Equal(t, 1, record.Int)
err = db.Select().OrderBy("Int").Reverse().First(&record)
require.NoError(t, err)
require.Equal(t, 5, record.Int)
err = db.Select().OrderBy("Int").Reverse().Limit(2).First(&record)
require.NoError(t, err)
require.Equal(t, 5, record.Int)
err = db.Select().OrderBy("Int").Reverse().Skip(2).First(&record)
require.NoError(t, err)
require.Equal(t, 3, record.Int)
err = db.Select().OrderBy("Int").Reverse().Skip(4).Limit(2).First(&record)
require.NoError(t, err)
require.Equal(t, 1, record.Int)
}
func TestSelectDelete(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
err := db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(2).Delete(&Score{})
require.NoError(t, err)
var scores []Score
err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Find(&scores)
require.NoError(t, err)
require.Len(t, scores, 2)
require.Equal(t, 0, scores[0].Value)
require.Equal(t, 1, scores[1].Value)
for i := 0; i < 10; i++ {
w := User{ID: i + 1, Name: fmt.Sprintf("John%d", i+1)}
err = db.Save(&w)
require.NoError(t, err)
}
err = db.Select(q.Gte("ID", 5)).Delete(&User{})
require.NoError(t, err)
var user User
err = db.One("Name", "John6", &user)
require.Error(t, err)
require.Equal(t, ErrNotFound, err)
err = db.One("Name", "John4", &user)
require.NoError(t, err)
}
func TestSelectCount(t *testing.T) {
db, cleanup := prepareScoreDB(t)
defer cleanup()
total, err := db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Count(&Score{})
require.NoError(t, err)
require.Equal(t, 6, total)
total, err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(2).Count(&Score{})
require.NoError(t, err)
require.Equal(t, 4, total)
total, err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(2).Limit(2).Count(&Score{})
require.NoError(t, err)
require.Equal(t, 2, total)
total, err = db.Select(q.Or(
q.Eq("Value", 5),
q.Or(
q.Lte("Value", 2),
q.Gte("Value", 18),
),
)).Skip(5).Limit(2).Count(&Score{})
require.NoError(t, err)
require.Equal(t, 1, total)
}
func TestSelectRaw(t *testing.T) {
db, cleanup := createDB(t, AutoIncrement(), Codec(json.Codec))
defer cleanup()
for i := 0; i < 20; i++ {
err := db.Save(&Score{
Value: i,
})
require.NoError(t, err)
}
list, err := db.Select().Bucket("Score").Raw()
require.NoError(t, err)
require.Len(t, list, 20)
list, err = db.Select().Bucket("Score").Skip(18).Limit(5).Raw()
require.NoError(t, err)
require.Len(t, list, 2)
i := 0
err = db.Select().Bucket("Score").Skip(18).Limit(5).RawEach(func(k []byte, v []byte) error {
i++
return nil
})
require.NoError(t, err)
require.Equal(t, i, 2)
}
func TestSelectEach(t *testing.T) {
db, cleanup := createDB(t, AutoIncrement(), Codec(json.Codec))
defer cleanup()
for i := 0; i < 20; i++ {
err := db.Save(&Score{
Value: i,
})
require.NoError(t, err)
}
i := 0
err := db.Select().Each(new(Score), func(record interface{}) error {
s, ok := record.(*Score)
require.True(t, ok)
require.Equal(t, i, s.Value)
i++
return nil
})
require.NoError(t, err)
require.Equal(t, 20, i)
i = 0
err = db.Select().Skip(18).Limit(5).Each(new(Score), func(record interface{}) error {
s, ok := record.(*Score)
require.True(t, ok)
require.Equal(t, i+18, s.Value)
i++
return nil
})
require.NoError(t, err)
require.Equal(t, 2, i)
}