mirror of https://github.com/go-gorm/gorm.git
81 lines
2.9 KiB
Go
81 lines
2.9 KiB
Go
package tests_test
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import (
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"fmt"
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"regexp"
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"testing"
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"gorm.io/gorm"
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. "gorm.io/gorm/utils/tests"
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)
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func TestCount(t *testing.T) {
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var (
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user1 = *GetUser("count-1", Config{})
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user2 = *GetUser("count-2", Config{})
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user3 = *GetUser("count-3", Config{})
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users []User
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count, count1, count2 int64
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)
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DB.Save(&user1).Save(&user2).Save(&user3)
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if err := DB.Where("name = ?", user1.Name).Or("name = ?", user3.Name).Find(&users).Count(&count).Error; err != nil {
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t.Errorf(fmt.Sprintf("Count should work, but got err %v", err))
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}
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if count != int64(len(users)) {
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t.Errorf("Count() method should get correct value, expect: %v, got %v", count, len(users))
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}
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if err := DB.Model(&User{}).Where("name = ?", user1.Name).Or("name = ?", user3.Name).Count(&count).Find(&users).Error; err != nil {
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t.Errorf(fmt.Sprintf("Count should work, but got err %v", err))
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}
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if count != int64(len(users)) {
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t.Errorf("Count() method should get correct value, expect: %v, got %v", count, len(users))
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}
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DB.Model(&User{}).Where("name = ?", user1.Name).Count(&count1).Or("name in ?", []string{user2.Name, user3.Name}).Count(&count2)
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if count1 != 1 || count2 != 3 {
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t.Errorf("multiple count in chain should works")
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}
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tx := DB.Model(&User{}).Where("name = ?", user1.Name).Session(&gorm.Session{})
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tx.Count(&count1)
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tx.Or("name in ?", []string{user2.Name, user3.Name}).Count(&count2)
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if count1 != 1 || count2 != 3 {
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t.Errorf("count after new session should works")
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}
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var count3 int64
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if err := DB.Model(&User{}).Where("name in ?", []string{user2.Name, user2.Name, user3.Name}).Group("id").Count(&count3).Error; err != nil {
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t.Errorf("Error happened when count with group, but got %v", err)
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}
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if count3 != 2 {
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t.Errorf("Should get correct count for count with group, but got %v", count3)
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}
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dryDB := DB.Session(&gorm.Session{DryRun: true})
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result := dryDB.Table("users").Select("name").Count(&count)
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if !regexp.MustCompile(`SELECT COUNT\(.name.\) FROM .*users.*`).MatchString(result.Statement.SQL.String()) {
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t.Fatalf("Build count with select, but got %v", result.Statement.SQL.String())
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}
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result = dryDB.Table("users").Distinct("name").Count(&count)
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if !regexp.MustCompile(`SELECT COUNT\(DISTINCT\(.name.\)\) FROM .*users.*`).MatchString(result.Statement.SQL.String()) {
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t.Fatalf("Build count with select, but got %v", result.Statement.SQL.String())
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}
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var count4 int64
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if err := DB.Table("users").Joins("LEFT JOIN companies on companies.name = users.name").Where("users.name = ?", user1.Name).Count(&count4).Error; err != nil || count4 != 1 {
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t.Errorf("count with join, got error: %v, count %v", err, count4)
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}
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var count5 int64
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if err := DB.Table("users").Where("users.name = ?", user1.Name).Order("name").Count(&count5).Error; err != nil || count5 != 1 {
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t.Errorf("count with join, got error: %v, count %v", err, count)
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}
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}
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