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fix for GRAILS-2759 "Can the tablePerSubclass mapping definition be e…
…xtended to allow table per concrete class"
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75 changes: 75 additions & 0 deletions
75
...tastore-gorm-hibernate/src/test/groovy/grails/gorm/tests/TablePerConcreteClassSpec.groovy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| package grails.gorm.tests | ||
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| import grails.persistence.Entity | ||
| import org.hibernate.Session | ||
| import java.sql.Connection | ||
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| /** | ||
| */ | ||
| class TablePerConcreteClassSpec extends GormDatastoreSpec{ | ||
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| void "Test that table per concrete class produces correct tables"() { | ||
| expect:"The table structure is correct" | ||
| Payment.withSession { Session session -> | ||
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| Connection conn = session.connection() | ||
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| conn.prepareStatement("select id, version, amount from payment").execute() | ||
| conn.prepareStatement("select id, version, amount, credit_card_type from credit_card_payment").execute() | ||
| conn.prepareStatement("select id, version, amount, currency from cash_payment").execute() | ||
| } | ||
| } | ||
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| void "Test that polymorphic queries work correctly with table per concrete class"() { | ||
| given:"Some test data with subclasses" | ||
| def p = new Payment(amount: 1.1) | ||
| p.save() | ||
| new CreditCardPayment(creditCardType: 'mastercard', amount: 110).save() | ||
| new CreditCardPayment(creditCardType: 'amex', amount: 115).save() | ||
| new CashPayment(currency: Currency.getInstance("USD"), amount: 50).save(flush:true) | ||
| session.clear() | ||
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| expect:"The correct results from queries" | ||
| Payment.count() == 4 | ||
| CreditCardPayment.count() == 2 | ||
| CashPayment.count() == 1 | ||
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| when:"The subclasses are loaded" | ||
| List<CreditCardPayment> creditCardPayments = CreditCardPayment.list() | ||
| List<CashPayment> cashPayments = CashPayment.list() | ||
| List<Payment> allPayments = Payment.list() | ||
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| then:"The results are correct" | ||
| creditCardPayments.size() == 2 | ||
| creditCardPayments[0].creditCardType == 'mastercard' | ||
| creditCardPayments[0].amount== 110 | ||
| creditCardPayments[1].creditCardType == 'amex' | ||
| creditCardPayments[1].amount== 115 | ||
| cashPayments.size() == 1 | ||
| cashPayments[0].currency == Currency.getInstance("USD") | ||
| allPayments.size() == 4 | ||
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| } | ||
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| @Override | ||
| List getDomainClasses() { | ||
| [Payment, CreditCardPayment, CashPayment] | ||
| } | ||
| } | ||
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| @Entity | ||
| class Payment { | ||
| Long id | ||
| Long version | ||
| Double amount | ||
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| static mapping = { | ||
| tablePerConcreteClass true | ||
| } | ||
| } | ||
| class CreditCardPayment extends Payment { | ||
| String creditCardType | ||
| } | ||
| class CashPayment extends Payment { | ||
| Currency currency | ||
| } |
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