android13/external/dagger2/javatests/dagger/internal/codegen/TestUtils.java

44 lines
1.4 KiB
Java

/*
* Copyright (C) 2018 The Dagger Authors.
*
* 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 dagger.internal.codegen;
import com.google.common.base.Joiner;
import java.util.regex.Pattern;
/** Utility methods useful for codegen tests. */
final class TestUtils {
private static final Joiner MESSAGE_JOINER = Joiner.on("\n ");
/**
* Returns the lines joined by {@code "\n "}. Useful for passing to {@link
* com.google.testing.compile.CompilationSubject#hadErrorContaining(String)}, etc.
*/
static String message(String... lines) {
return MESSAGE_JOINER.join(lines);
}
/**
* Returns a pattern that matches strings that end with the lines joined by {@code "\n "}. Useful
* for passing to {@link
* com.google.testing.compile.CompilationSubject#hadErrorContainingMatch(Pattern)}, etc.
*/
static Pattern endsWithMessage(String... lines) {
return Pattern.compile(Pattern.quote(message(lines)) + "$");
}
}