func TestTable_AddColumn(t *testing.T) {
c0 := pqt.NewColumn("c0", pqt.TypeSerialBig(), pqt.WithPrimaryKey())
c1 := &pqt.Column{Name: "c1"}
c2 := &pqt.Column{Name: "c2"}
c3 := &pqt.Column{Name: "c3"}
tbl := pqt.NewTable("test").
AddColumn(c0).
AddColumn(c1).
AddColumn(c2).
AddColumn(c3).
AddColumn(pqt.NewColumn("c4", pqt.TypeIntegerBig(), pqt.WithReference(c0))).
AddRelationship(pqt.ManyToOne(pqt.SelfReference()))
if len(tbl.Columns) != 6 {
t.Errorf("wrong number of colums, expected %d but got %d", 6, len(tbl.Columns))
}
if len(tbl.OwnedRelationships) != 2 {
// Reference is not a relationship
t.Errorf("wrong number of owned relationships, expected %d but got %d", 2, len(tbl.OwnedRelationships))
}
for i, c := range tbl.Columns {
if c.Name == "" {
t.Errorf("column #%d table name is empty", i)
}
if c.Table == nil {
t.Errorf("column #%d table nil pointer", i)
}
}
}
func TestTable_AddRelationship_oneToOneSelfReferencing(t *testing.T) {
user := pqt.NewTable("user").AddColumn(pqt.NewColumn("id", pqt.TypeSerial(), pqt.WithPrimaryKey()))
user.AddRelationship(pqt.OneToOne(
pqt.SelfReference(),
pqt.WithInversedName("child"),
pqt.WithOwnerName("parent"),
))
if len(user.OwnedRelationships) != 1 {
t.Fatalf("user should have 1 owned relationship, but has %d", len(user.OwnedRelationships))
}
if user.OwnedRelationships[0].OwnerName != "parent" {
t.Errorf("user relationship to user should be mapped by parent")
}
if user.OwnedRelationships[0].OwnerTable != user {
t.Errorf("user relationship to user should be mapped by user table")
}
if user.OwnedRelationships[0].Type != pqt.RelationshipTypeOneToOne {
t.Errorf("user relationship to user should be %d, but is %d", pqt.RelationshipTypeOneToOne, user.OwnedRelationships[0].Type)
}
if len(user.InversedRelationships) != 0 {
t.Fatalf("user should have 0 inversed relationship, but has %d", len(user.InversedRelationships))
}
}
func schema(sn string) *pqt.Schema {
title := pqt.NewColumn("title", pqt.TypeText(), pqt.WithNotNull(), pqt.WithUnique())
lead := pqt.NewColumn("lead", pqt.TypeText())
news := pqt.NewTable("news", pqt.WithTableIfNotExists()).
AddColumn(pqt.NewColumn("id", pqt.TypeSerialBig(), pqt.WithPrimaryKey())).
AddColumn(title).
AddColumn(lead).
AddColumn(pqt.NewColumn("continue", pqt.TypeBool(), pqt.WithNotNull(), pqt.WithDefault("false"))).
AddColumn(pqt.NewColumn("content", pqt.TypeText(), pqt.WithNotNull())).
AddUnique(title, lead)
comment := pqt.NewTable("comment", pqt.WithTableIfNotExists()).
AddColumn(pqt.NewColumn("id", pqt.TypeSerialBig())).
AddColumn(pqt.NewColumn("content", pqt.TypeText(), pqt.WithNotNull())).
AddColumn(pqt.NewColumn(
"news_title",
pqt.TypeText(),
pqt.WithNotNull(),
pqt.WithReference(title, pqt.WithBidirectional(), pqt.WithOwnerName("comments_by_news_title"), pqt.WithInversedName("news_by_title")),
))
category := pqt.NewTable("category", pqt.WithTableIfNotExists()).
AddColumn(pqt.NewColumn("id", pqt.TypeSerialBig(), pqt.WithPrimaryKey())).
AddColumn(pqt.NewColumn("name", pqt.TypeText(), pqt.WithNotNull())).
AddColumn(pqt.NewColumn("content", pqt.TypeText(), pqt.WithNotNull())).
AddRelationship(
pqt.OneToMany(
pqt.SelfReference(),
pqt.WithBidirectional(),
pqt.WithInversedName("child_category"),
pqt.WithOwnerName("parent_category"),
pqt.WithColumnName("parent_id"),
),
)
pkg := pqt.NewTable("package", pqt.WithTableIfNotExists()).
AddColumn(pqt.NewColumn("id", pqt.TypeSerialBig(), pqt.WithPrimaryKey())).
AddColumn(pqt.NewColumn("break", pqt.TypeText())).
AddRelationship(pqt.ManyToOne(
category,
pqt.WithBidirectional(),
))
timestampable(news)
timestampable(comment)
timestampable(category)
timestampable(pkg)
comment.AddRelationship(pqt.ManyToOne(news, pqt.WithBidirectional(), pqt.WithInversedName("news_by_id")), pqt.WithNotNull())
pqt.ManyToMany(category, news, pqt.WithBidirectional())
return pqt.NewSchema(sn, pqt.WithSchemaIfNotExists()).
AddTable(category).
AddTable(pkg).
AddTable(news).
AddTable(comment)
}