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TransactionTest.java
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TransactionTest.java
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/**
* Copyright (C) 2022 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.util;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class TransactionTest {
private Transaction transaction;
@BeforeEach
void setUp() {
this.transaction = new Transaction();
}
@Test
void testBegin() {
transaction.begin();
assertTrue(transaction.isActive());
assertEquals(TransactionState.ACTIVE, transaction.getState());
}
@Test
void testCommit() {
transaction.begin();
transaction.commit();
assertEquals(TransactionState.PARTIALLY_COMMITTED, transaction.getState());
}
@Test
void testAfterCommit() {
transaction.begin();
transaction.commit();
assertEquals(TransactionState.PARTIALLY_COMMITTED, transaction.getState());
transaction.afterCommit();
assertEquals(TransactionState.COMMITTED, transaction.getState());
assertFalse(transaction.isActive());
}
@Test
void testFailDuringCommit() {
transaction.begin();
transaction.commit();
assertEquals(TransactionState.PARTIALLY_COMMITTED, transaction.getState());
transaction.rollback();
assertEquals(TransactionState.FAILED, transaction.getState());
}
@Test
void testRollback() {
transaction.begin();
transaction.rollback();
assertEquals(TransactionState.FAILED, transaction.getState());
assertFalse(transaction.isActive());
}
@Test
void testAfterRollback() {
transaction.begin();
transaction.rollback();
assertEquals(TransactionState.FAILED, transaction.getState());
transaction.afterRollback();
assertEquals(TransactionState.ABORTED, transaction.getState());
assertFalse(transaction.isActive());
}
@Test
void beginAlreadyActiveIsIllegal() {
transaction.begin();
assertTrue(transaction.isActive());
assertThrows(IllegalStateException.class, () -> transaction.begin());
}
@Test
void beginPartiallyCommittedIsIllegal() {
transaction.begin();
transaction.commit();
assertThrows(IllegalStateException.class, () -> transaction.begin());
}
@Test
void commitInactiveIsIllegal() {
transaction.begin();
transaction.commit();
transaction.afterCommit();
// Now comes the second commit
assertThrows(IllegalStateException.class, () -> transaction.commit());
}
@Test
void rollbackInactiveIsIllegal() {
assertFalse(transaction.isActive());
assertThrows(IllegalStateException.class, () -> transaction.rollback());
}
@Test
void rollbackCommittedIsIllegal() {
transaction.begin();
transaction.commit();
transaction.afterCommit();
// Now comes the rollback
assertThrows(IllegalStateException.class, () -> transaction.rollback());
}
@Test
void afterRollbackWithoutProperRollbackIsIllegal() {
transaction.begin();
assertThrows(IllegalStateException.class, () -> transaction.afterRollback());
}
@Test
void afterCommitWithoutProperCommitIsIllegal() {
transaction.begin();
assertThrows(IllegalStateException.class, () -> transaction.afterCommit());
}
@Test
void commitUninitializedIsIllegal() {
assertThrows(IllegalStateException.class, () -> transaction.commit());
}
@Test
void commitRolledBackIsIllegal() {
transaction.begin();
transaction.rollback();
assertThrows(IllegalStateException.class, () -> transaction.commit());
}
@Test
void verifyActiveThrowsIllegalStateForInactiveTransaction() {
assertThrows(IllegalStateException.class, () -> transaction.verifyActive());
}
@Test
void instancesAreEqualWhenTheyHaveSameState() {
transaction.begin();
final Transaction other = new Transaction();
other.begin();
assertEquals(transaction, other);
assertEquals(transaction.hashCode(), other.hashCode());
transaction.commit();
assertNotEquals(transaction, other);
assertNotEquals(transaction.hashCode(), other.hashCode());
}
}