/*
 * 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.jsr223;

import org.apache.tinkerpop.gremlin.process.traversal.Bytecode;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.structure.util.empty.EmptyGraph;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class JavaTranslatorTest {
    private GraphTraversalSource g = EmptyGraph.instance().traversal();
    private JavaTranslator<GraphTraversalSource, Traversal.Admin<?, ?>> translator = JavaTranslator.of(EmptyGraph.instance().traversal());

    @Test
    public void shouldTranslateHasWithObjectThirdArgValue() {
        final Bytecode bytecode = new Bytecode();
        bytecode.addStep("E");
        bytecode.addStep("has", "knows", "weight", 1.0);
        final Traversal.Admin<?, ?> translation = translator.translate(bytecode);
        assertEquals(g.E().has("knows", "weight", 1.0).asAdmin(), translation);
    }

    @Test
    public void shouldTranslateHasWithPredicateThirdArgValue() {
        final Bytecode bytecode = new Bytecode();
        bytecode.addStep("E");
        bytecode.addStep("has", "knows", "weight", P.eq(1.0));
        final Traversal.Admin<?, ?> translation = translator.translate(bytecode);
        assertEquals(g.E().has("knows", "weight", P.eq(1.0)).asAdmin(), translation);
    }

    @Test
    public void shouldTranslateHasWithNullThirdArgValue() {
        final Bytecode bytecode = new Bytecode();
        bytecode.addStep("E");
        bytecode.addStep("has", "knows", "weight", null);
        final Traversal.Admin<?, ?> translation = translator.translate(bytecode);
        assertEquals(g.E().has("knows", "weight", (String) null).asAdmin(), translation);
    }

    @Test
    public void shouldTranslateHasWithObjectSecondArgValue() {
        final Bytecode bytecode = new Bytecode();
        bytecode.addStep("E");
        bytecode.addStep("has", "weight", 1.0);
        final Traversal.Admin<?, ?> translation = translator.translate(bytecode);
        assertEquals(g.E().has("weight", 1.0).asAdmin(), translation);
    }

    @Test
    public void shouldTranslateHasWithPredicateSecondArgValue() {
        final Bytecode bytecode = new Bytecode();
        bytecode.addStep("E");
        bytecode.addStep("has", "weight", P.eq(1.0));
        final Traversal.Admin<?, ?> translation = translator.translate(bytecode);
        assertEquals(g.E().has("weight", P.eq(1.0)).asAdmin(), translation);
    }

    @Test
    public void shouldTranslateHasWithNullSecondArgValue() {
        final Bytecode bytecode = new Bytecode();
        bytecode.addStep("E");
        bytecode.addStep("has", "weight", null);
        final Traversal.Admin<?, ?> translation = translator.translate(bytecode);
        assertEquals(g.E().has("weight", (String) null).asAdmin(), translation);
    }

}