/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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 org.neo4j.tooling.procedure.compilerutils;

import static org.assertj.core.api.Assertions.assertThat;

import org.junit.Test;

public class CustomNameExtractorTest {

    @Test
    public void favours_name_over_value() {
        assertThat(CustomNameExtractor.getName(() -> "name", () -> "value")).contains("name");
        assertThat(CustomNameExtractor.getName(() -> "name", () -> "")).contains("name");
        assertThat(CustomNameExtractor.getName(() -> "name", () -> "  ")).contains("name");
        assertThat(CustomNameExtractor.getName(() -> "   name  ", () -> "  ")).contains("name");
    }

    @Test
    public void returns_value_if_trimmed_name_is_empty() {
        assertThat(CustomNameExtractor.getName(() -> "", () -> "value")).contains("value");
        assertThat(CustomNameExtractor.getName(() -> "   ", () -> "value")).contains("value");
        assertThat(CustomNameExtractor.getName(() -> "   ", () -> "   value  ")).contains("value");
    }

    @Test
    public void returns_nothing_if_none_defined() {
        assertThat(CustomNameExtractor.getName(() -> "", () -> "")).isEmpty();
        assertThat(CustomNameExtractor.getName(() -> "   ", () -> "")).isEmpty();
        assertThat(CustomNameExtractor.getName(() -> "", () -> "   ")).isEmpty();
        assertThat(CustomNameExtractor.getName(() -> "   ", () -> "   ")).isEmpty();
    }
}
