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