tdb/constraint_unique_test.go

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2020-04-16 04:53:50 +00:00
package tdb
import (
"errors"
"testing"
)
func setupUniqueTestDb() {
tdb = &testDb{}
db := setupCustomTestDb(tdb, func(db DBSetup) error {
db.SetDebug(debug)
db.AddTableOrPanic(&TEST_Main{}, func(t TableSetup) error {
t.AddIndexOrPanic(SimpleIndexOptions{
ConstraintOptions: ConstraintOptions{
Field: "Guarantee",
},
Unique: true,
})
return nil
})
return nil
})
tdb.db = db
if tdb.TEST_Main == nil {
panic(errors.New("tdb.TEST_Main was not set"))
}
}
func TestUniqueConstraint(t *testing.T) {
setupUniqueTestDb()
defer cleanupTestDb()
_, err := tdb.TEST_Main.Create(&TEST_Main{Guarantee: "asdf"})
if assertNilEnd(t, err, "Unable to insert first (unique) record") {
return
}
id, err := tdb.TEST_Main.Create(&TEST_Main{Guarantee: "asdf"})
if assertNotNilEnd(t, err, "Expected constraint error") {
return
}
assertEqual(t, id, uint64(0), "Expected 0 (zero value) for inserted id")
}
func TestEmptyStringUniqueConstraint(t *testing.T) {
setupUniqueTestDb()
defer cleanupTestDb()
_, err := tdb.TEST_Main.Create(&TEST_Main{Guarantee: "0"})
if assertNilEnd(t, err, "Unable to insert non-null record") {
return
}
_, err = tdb.TEST_Main.Create(&TEST_Main{Guarantee: ""})
if assertNilEnd(t, err, "Unable to insert second (unique test) record") {
return
}
id, err := tdb.TEST_Main.Create(&TEST_Main{Guarantee: ""})
if assertNotNilEnd(t, err, "Expected constraint error") {
return
}
assertEqual(t, id, uint64(0), "Expected 0 (zero value) for inserted id")
}