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Add more tests for self-referencing many2many relationship

This commit is contained in:
Jinzhu 2018-02-10 22:14:18 +08:00
parent 44b9911f51
commit cb7c41e0b6
1 changed files with 21 additions and 0 deletions
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21
customize_column_test.go
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@ -322,4 +322,25 @@ func TestSelfReferencingMany2ManyColumn(t *testing.T) {
if len(newUser.Friends) != 2 {
t.Errorf("Should preload created frineds for self reference m2m")
}
DB.Model(&newUser).Association("Friends").Append(&SelfReferencingUser{Name: "friend3_m2m"})
if DB.Model(&user).Association("Friends").Count() != 3 {
t.Errorf("Should find created friends correctly")
}
DB.Model(&newUser).Association("Friends").Replace(&SelfReferencingUser{Name: "friend4_m2m"})
if DB.Model(&user).Association("Friends").Count() != 1 {
t.Errorf("Should find created friends correctly")
}
friend := SelfReferencingUser{}
DB.Model(&newUser).Association("Friends").Find(&friend)
if friend.Name != "friend4_m2m" {
t.Errorf("Should find created friends correctly")
}
DB.Model(&newUser).Association("Friends").Delete(friend)
if DB.Model(&user).Association("Friends").Count() != 0 {
t.Errorf("All friends should be deleted")
}
}