/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.index.mapper;

import org.elasticsearch.test.ESTestCase;

public class ContentPathTests extends ESTestCase {

    public void testAddPath() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.add("bar");
        String pathAsText = contentPath.pathAsText("baz");
        assertEquals("foo.bar.baz", pathAsText);
    }

    public void testRemovePath() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        String[] path = contentPath.getPath();
        assertEquals("foo", path[0]);
        contentPath.remove();
        assertNull(path[0]);
        assertEquals(0, contentPath.length());
        String pathAsText = contentPath.pathAsText("bar");
        assertEquals("bar", pathAsText);
    }

    public void testRemovePathException() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.remove();
        expectThrows(IndexOutOfBoundsException.class, contentPath::remove);
    }

    public void testBehaviourWithLongerPath() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("1");
        contentPath.add("2");
        contentPath.add("3");
        contentPath.add("4");
        contentPath.add("5");
        contentPath.add("6");
        contentPath.add("7");
        contentPath.add("8");
        contentPath.add("9");
        contentPath.add("10");
        assertEquals(10, contentPath.length());
        String pathAsText = contentPath.pathAsText("11");
        assertEquals("1.2.3.4.5.6.7.8.9.10.11", pathAsText);
    }

    public void testLengthOfPath() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.add("bar");
        contentPath.add("baz");
        assertEquals(3, contentPath.length());
    }

    public void testLengthOfPathAfterRemove() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.add("bar");
        contentPath.add("baz");
        assertEquals(3, contentPath.length());
        contentPath.remove();
        contentPath.remove();
        assertEquals(1, contentPath.length());
    }

    public void testPathAsText() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.add("bar");
        assertEquals("foo.bar.baz", contentPath.pathAsText("baz"));
    }

    public void testPathAsTextAfterRemove() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.add("bar");
        contentPath.add("baz");
        contentPath.remove();
        contentPath.remove();
        assertEquals("foo.qux", contentPath.pathAsText("qux"));
    }

    public void testPathAsTextAfterRemoveAndMoreAdd() {
        ContentPath contentPath = new ContentPath();
        contentPath.add("foo");
        contentPath.add("bar");
        contentPath.remove();
        contentPath.add("baz");
        assertEquals("foo.baz.qux", contentPath.pathAsText("qux"));
    }
}