sqlboiler/bdb/relationships_test.go
Aaron L fb802ad687 Add to_many relationships as a first class citizen
- to_many relationships are now cached on the table data structure
- to_many relationships now know if any columns involved are nullable
2016-07-11 23:49:42 -07:00

292 lines
7.4 KiB
Go

package bdb
import "testing"
func TestToManyRelationships(t *testing.T) {
t.Parallel()
tables := []Table{
Table{Name: "users", Columns: []Column{{Name: "id"}}},
Table{Name: "contests", Columns: []Column{{Name: "id"}}},
Table{
Name: "videos",
Columns: []Column{
{Name: "id"},
{Name: "user_id"},
{Name: "contest_id"},
},
FKeys: []ForeignKey{
{Name: "videos_user_id_fk", Column: "user_id", ForeignTable: "users", ForeignColumn: "id"},
{Name: "videos_contest_id_fk", Column: "contest_id", ForeignTable: "contests", ForeignColumn: "id"},
},
},
Table{
Name: "notifications",
Columns: []Column{
{Name: "user_id"},
{Name: "source_id"},
},
FKeys: []ForeignKey{
{Name: "notifications_user_id_fk", Column: "user_id", ForeignTable: "users", ForeignColumn: "id"},
{Name: "notifications_source_id_fk", Column: "source_id", ForeignTable: "users", ForeignColumn: "id"},
},
},
Table{
Name: "users_video_tags",
IsJoinTable: true,
Columns: []Column{
{Name: "user_id"},
{Name: "video_id"},
},
FKeys: []ForeignKey{
{Name: "user_id_fk", Column: "user_id", ForeignTable: "users", ForeignColumn: "id"},
{Name: "video_id_fk", Column: "video_id", ForeignTable: "videos", ForeignColumn: "id"},
},
},
}
relationships := ToManyRelationships("users", tables)
if len(relationships) != 4 {
t.Error("wrong # of relationships:", len(relationships))
}
r := relationships[0]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if r.Nullable {
t.Error("should not be nullable")
}
if r.ForeignTable != "videos" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.ForeignColumn != "user_id" {
t.Error("wrong foreign column:", r.ForeignColumn)
}
if r.ForeignColumnNullable {
t.Error("should not be nullable")
}
if r.ToJoinTable {
t.Error("not a join table")
}
r = relationships[1]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if r.Nullable {
t.Error("should not be nullable")
}
if r.ForeignTable != "notifications" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.ForeignColumn != "user_id" {
t.Error("wrong foreign column:", r.ForeignColumn)
}
if r.ForeignColumnNullable {
t.Error("should not be nullable")
}
if r.ToJoinTable {
t.Error("not a join table")
}
r = relationships[2]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if r.Nullable {
t.Error("should not be nullable")
}
if r.ForeignTable != "notifications" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.ForeignColumn != "source_id" {
t.Error("wrong foreign column:", r.ForeignColumn)
}
if r.ForeignColumnNullable {
t.Error("should not be nullable")
}
if r.ToJoinTable {
t.Error("not a join table")
}
r = relationships[3]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if r.Nullable {
t.Error("should not be nullable")
}
if r.ForeignColumn != "id" {
t.Error("wrong foreign column:", r.Column)
}
if r.ForeignColumnNullable {
t.Error("should not be nullable")
}
if r.ForeignTable != "videos" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.JoinTable != "users_video_tags" {
t.Error("wrong join table:", r.ForeignTable)
}
if r.JoinLocalColumn != "user_id" {
t.Error("wrong local join column:", r.JoinLocalColumn)
}
if r.JoinLocalColumnNullable {
t.Error("should not be nullable")
}
if r.JoinForeignColumn != "video_id" {
t.Error("wrong foreign join column:", r.JoinForeignColumn)
}
if r.JoinForeignColumnNullable {
t.Error("should not be nullable")
}
if !r.ToJoinTable {
t.Error("expected a join table")
}
}
func TestToManyRelationshipsNull(t *testing.T) {
t.Parallel()
tables := []Table{
Table{Name: "users", Columns: []Column{{Name: "id", Nullable: true}}},
Table{Name: "contests", Columns: []Column{{Name: "id", Nullable: true}}},
Table{
Name: "videos",
Columns: []Column{
{Name: "id", Nullable: true},
{Name: "user_id", Nullable: true},
{Name: "contest_id", Nullable: true},
},
FKeys: []ForeignKey{
{Name: "videos_user_id_fk", Column: "user_id", ForeignTable: "users", ForeignColumn: "id", Nullable: true},
{Name: "videos_contest_id_fk", Column: "contest_id", ForeignTable: "contests", ForeignColumn: "id", Nullable: true},
},
},
Table{
Name: "notifications",
Columns: []Column{
{Name: "user_id", Nullable: true},
{Name: "source_id", Nullable: true},
},
FKeys: []ForeignKey{
{Name: "notifications_user_id_fk", Column: "user_id", ForeignTable: "users", ForeignColumn: "id", Nullable: true},
{Name: "notifications_source_id_fk", Column: "source_id", ForeignTable: "users", ForeignColumn: "id", Nullable: true},
},
},
Table{
Name: "users_video_tags",
IsJoinTable: true,
Columns: []Column{
{Name: "user_id", Nullable: true},
{Name: "video_id", Nullable: true},
},
FKeys: []ForeignKey{
{Name: "user_id_fk", Column: "user_id", ForeignTable: "users", ForeignColumn: "id", Nullable: true},
{Name: "video_id_fk", Column: "video_id", ForeignTable: "videos", ForeignColumn: "id", Nullable: true},
},
},
}
relationships := ToManyRelationships("users", tables)
if len(relationships) != 4 {
t.Error("wrong # of relationships:", len(relationships))
}
r := relationships[0]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if !r.Nullable {
t.Error("should be nullable")
}
if r.ForeignTable != "videos" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.ForeignColumn != "user_id" {
t.Error("wrong foreign column:", r.ForeignColumn)
}
if !r.ForeignColumnNullable {
t.Error("should be nullable")
}
if r.ToJoinTable {
t.Error("not a join table")
}
r = relationships[1]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if !r.Nullable {
t.Error("should be nullable")
}
if r.ForeignTable != "notifications" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.ForeignColumn != "user_id" {
t.Error("wrong foreign column:", r.ForeignColumn)
}
if !r.ForeignColumnNullable {
t.Error("should be nullable")
}
if r.ToJoinTable {
t.Error("not a join table")
}
r = relationships[2]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if !r.Nullable {
t.Error("should be nullable")
}
if r.ForeignTable != "notifications" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.ForeignColumn != "source_id" {
t.Error("wrong foreign column:", r.ForeignColumn)
}
if !r.ForeignColumnNullable {
t.Error("should be nullable")
}
if r.ToJoinTable {
t.Error("not a join table")
}
r = relationships[3]
if r.Column != "id" {
t.Error("wrong local column:", r.Column)
}
if !r.Nullable {
t.Error("should be nullable")
}
if r.ForeignColumn != "id" {
t.Error("wrong foreign column:", r.Column)
}
if !r.ForeignColumnNullable {
t.Error("should be nullable")
}
if r.ForeignTable != "videos" {
t.Error("wrong foreign table:", r.ForeignTable)
}
if r.JoinTable != "users_video_tags" {
t.Error("wrong join table:", r.ForeignTable)
}
if r.JoinLocalColumn != "user_id" {
t.Error("wrong local join column:", r.JoinLocalColumn)
}
if !r.JoinLocalColumnNullable {
t.Error("should be nullable")
}
if r.JoinForeignColumn != "video_id" {
t.Error("wrong foreign join column:", r.JoinForeignColumn)
}
if !r.JoinForeignColumnNullable {
t.Error("should be nullable")
}
if !r.ToJoinTable {
t.Error("expected a join table")
}
}