PerconaDropForeignKeyConstraintChangeTest.java

package liquibase.ext.percona;

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.junit.Assert;
import org.junit.Test;

import liquibase.statement.SqlStatement;
import liquibase.statement.core.CommentStatement;
import liquibase.statement.core.DropForeignKeyConstraintStatement;

public class PerconaDropForeignKeyConstraintChangeTest extends AbstractPerconaChangeTest<PerconaDropForeignKeyConstraintChange> {

    public PerconaDropForeignKeyConstraintChangeTest() {
        super(PerconaDropForeignKeyConstraintChange.class);
    }

    private String alterText;

    @Override
    protected void setupChange(PerconaDropForeignKeyConstraintChange change) {
        change.setBaseTableName("address");
        change.setConstraintName("fk_address_person");

        setTargetTableName("address");
        alterText = "DROP FOREIGN KEY _fk_address_person";
    }

    @Test
    public void testWithoutPercona() {
        PTOnlineSchemaChangeStatement.available = false;
        SqlStatement[] statements = generateStatements();
        Assert.assertEquals(1, statements.length);
        Assert.assertEquals(DropForeignKeyConstraintStatement.class, statements[0].getClass());
    }

    @Test(expected = RuntimeException.class)
    public void testWithoutPerconaAndFail() {
        System.setProperty(Configuration.FAIL_IF_NO_PT, "true");
        PTOnlineSchemaChangeStatement.available = false;

        generateStatements();
    }

    @Test
    public void testReal() {
        assertPerconaChange(alterText);
    }

    @Test
    public void testUpdateSQL() {
        enableLogging();

        SqlStatement[] statements = generateStatements();
        Assert.assertEquals(3, statements.length);
        Assert.assertEquals(CommentStatement.class, statements[0].getClass());
        Assert.assertEquals("pt-online-schema-change --alter=\"" + alterText + "\" "
                + "--alter-foreign-keys-method=auto "
                + "--host=localhost --port=3306 --user=user --password=*** --execute D=testdb,t=address",
                ((CommentStatement)statements[0]).getText());
        Assert.assertEquals(CommentStatement.class, statements[1].getClass());
        Assert.assertEquals(DropForeignKeyConstraintStatement.class, statements[2].getClass());
    }

    @Test
    public void testUpdateSQLNoAlterSqlDryMode() {
        enableLogging();
        System.setProperty(Configuration.NO_ALTER_SQL_DRY_MODE, "true");

        SqlStatement[] statements = generateStatements();
        Assert.assertEquals(1, statements.length);
        Assert.assertEquals(CommentStatement.class, statements[0].getClass());
        Assert.assertEquals("pt-online-schema-change --alter=\"" + alterText + "\" "
                + "--alter-foreign-keys-method=auto "
                + "--host=localhost --port=3306 --user=user --password=*** --execute D=testdb,t=address",
                ((CommentStatement)statements[0]).getText());
    }

    @Test
    public void testSkipDropForeignKeyConstraintChange() {
        System.setProperty(Configuration.SKIP_CHANGES, "dropForeignKeyConstraint");
        SqlStatement[] statements = generateStatements();
        Assert.assertEquals(1, statements.length);
        Assert.assertEquals(DropForeignKeyConstraintStatement.class, statements[0].getClass());
    }
}