/*
* 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.
*/
package com.facebook.presto.sql.planner.assertions;
import com.facebook.presto.Session;
import com.facebook.presto.metadata.Metadata;
import com.facebook.presto.sql.planner.Plan;
import static com.facebook.presto.sql.planner.planPrinter.PlanPrinter.textLogicalPlan;
import static java.lang.String.format;
public final class PlanAssert
{
private PlanAssert() {}
public static void assertPlan(Session session, Metadata metadata, Plan actual, PlanMatchPattern pattern)
{
MatchResult matches = actual.getRoot().accept(new PlanMatchingVisitor(session, metadata), pattern);
if (!matches.isMatch()) {
String logicalPlan = textLogicalPlan(actual.getRoot(), actual.getTypes(), metadata, session);
throw new AssertionError(format("Plan does not match, expected [\n\n%s\n] but found [\n\n%s\n]", pattern, logicalPlan));
}
}
}