/*
 * Copyright 2013-2022 the original author or 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
 *
 *      https://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 org.springframework.cloud.sleuth.internal;

import org.assertj.core.api.BDDAssertions;
import org.junit.jupiter.api.Test;

import org.springframework.cloud.sleuth.SpanName;

class DefaultSpanNamerTest {

	@Test
	void nameWithoutToStringOverride() {
		String defaultValue = new DefaultSpanNamer().name(new NoToStringOverride(), "default value");
		BDDAssertions.then(defaultValue).isEqualTo("default value");
	}

	@Test
	void nameWithToStringOverride() {
		String defaultValue = new DefaultSpanNamer().name(new WithToStringOverride(), "default value");
		BDDAssertions.then(defaultValue).isEqualTo("mytostring");
	}

	@Test
	void nameWithInheritedToStringOverride() {
		String defaultValue = new DefaultSpanNamer().name(new InheritedToString(), "default value");
		BDDAssertions.then(defaultValue).isEqualTo("mytostring");
	}

	@Test
	void nameWithNoToStringAndAnnotation() {
		String defaultValue = new DefaultSpanNamer().name(new NoToStringOverrideAndAnnotation(), "default value");
		BDDAssertions.then(defaultValue).isEqualTo("new-name");
	}

	static class NoToStringOverride {

	}

	static class WithToStringOverride {

		@Override
		public String toString() {
			return "mytostring";
		}

	}

	static class InheritedToString extends WithToStringOverride {

	}

	@SpanName("new-name")
	static class NoToStringOverrideAndAnnotation {

	}

}
