/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.tinkerpop.gremlin.process.traversal.step.filter;

import org.apache.tinkerpop.gremlin.LoadGraphWith;
import org.apache.tinkerpop.gremlin.process.AbstractGremlinProcessTest;
import org.apache.tinkerpop.gremlin.process.GremlinProcessRunner;
import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.Arrays;

import static org.apache.tinkerpop.gremlin.LoadGraphWith.GraphData.MODERN;
import static org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__.in;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * @author Daniel Kuppitz (http://gremlin.guru)
 */
@RunWith(GremlinProcessRunner.class)
public abstract class IsTest extends AbstractGremlinProcessTest {

    public abstract Traversal<Vertex, Integer> get_g_V_valuesXageX_isX32X();

    public abstract Traversal<Vertex, Integer> get_g_V_valuesXageX_isXlte_30X();

    public abstract Traversal<Vertex, Integer> get_g_V_valuesXageX_isXgte_29X_isXlt_34X();

    public abstract Traversal<Vertex, String> get_g_V_whereXinXcreatedX_count_isX1XX_valuesXnameX();

    public abstract Traversal<Vertex, String> get_g_V_whereXinXcreatedX_count_isXgte_2XX_valuesXnameX();

    @Test
    @LoadGraphWith(MODERN)
    public void g_V_valuesXageX_isX32X() {
        final Traversal<Vertex, Integer> traversal = get_g_V_valuesXageX_isX32X();
        printTraversalForm(traversal);
        assertTrue(traversal.hasNext());
        assertEquals(Integer.valueOf(32), traversal.next());
        assertFalse(traversal.hasNext());
    }

    @Test
    @LoadGraphWith(MODERN)
    public void g_V_valuesXageX_isXlte_30X() {
        final Traversal<Vertex, Integer> traversal = get_g_V_valuesXageX_isXlte_30X();
        printTraversalForm(traversal);
        checkResults(Arrays.asList(27, 29), traversal);
    }

    @Test
    @LoadGraphWith(MODERN)
    public void g_V_valuesXageX_isXgte_29X_isXlt_34X() {
        final Traversal<Vertex, Integer> traversal = get_g_V_valuesXageX_isXgte_29X_isXlt_34X();
        printTraversalForm(traversal);
        checkResults(Arrays.asList(29, 32), traversal);
    }

    @Test
    @LoadGraphWith(MODERN)
    public void g_V_whereXinXcreatedX_count_isX1XX_valuesXnameX() {
        final Traversal<Vertex, String> traversal = get_g_V_whereXinXcreatedX_count_isX1XX_valuesXnameX();
        printTraversalForm(traversal);
        assertTrue(traversal.hasNext());
        assertEquals("ripple", traversal.next());
        assertFalse(traversal.hasNext());
    }

    @Test
    @LoadGraphWith(MODERN)
    public void g_V_whereXinXcreatedX_count_isXgte_2XX_valuesXnameX() {
        final Traversal<Vertex, String> traversal = get_g_V_whereXinXcreatedX_count_isXgte_2XX_valuesXnameX();
        printTraversalForm(traversal);
        assertTrue(traversal.hasNext());
        assertEquals("lop", traversal.next());
        assertFalse(traversal.hasNext());
    }

    public static class Traversals extends IsTest {
        @Override
        public Traversal<Vertex, Integer> get_g_V_valuesXageX_isX32X() {
            return g.V().<Integer>values("age").is(32);
        }

        @Override
        public Traversal<Vertex, Integer> get_g_V_valuesXageX_isXlte_30X() {
            return g.V().<Integer>values("age").is(P.lte(30));
        }

        @Override
        public Traversal<Vertex, Integer> get_g_V_valuesXageX_isXgte_29X_isXlt_34X() {
            return g.V().<Integer>values("age").is(P.gte(29)).is(P.lt(34));
        }

        @Override
        public Traversal<Vertex, String> get_g_V_whereXinXcreatedX_count_isX1XX_valuesXnameX() {
            return g.V().where(in("created").count().is(1)).values("name");
        }

        @Override
        public Traversal<Vertex, String> get_g_V_whereXinXcreatedX_count_isXgte_2XX_valuesXnameX() {
            return g.V().where(in("created").count().is(P.gte(2l))).values("name");
        }
    }
}