gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/process/traversal/lambda/TokenTraversalTest.java

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 * 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
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package org.apache.tinkerpop.gremlin.process.traversal.lambda;

import org.apache.tinkerpop.gremlin.process.traversal.traverser.B_O_Traverser;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.apache.tinkerpop.gremlin.structure.Property;
import org.apache.tinkerpop.gremlin.structure.T;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.structure.VertexProperty;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class TokenTraversalTest {
    @Test
    public void shouldWorkOnVertex() {
        final TokenTraversal<Vertex, Integer> t = new TokenTraversal<>(T.id);
        final Vertex v = mock(Vertex.class);
        when(v.id()).thenReturn(100);
        t.addStart(new B_O_Traverser<>(v, 1).asAdmin());
        assertEquals(100, t.next().intValue());
    }

    @Test
    public void shouldWorkOnVertexProperty() {
        final TokenTraversal<VertexProperty, Integer> t = new TokenTraversal<>(T.id);
        final VertexProperty vo = mock(VertexProperty.class);
        when(vo.id()).thenReturn(100);
        t.addStart(new B_O_Traverser<>(vo, 1).asAdmin());
        assertEquals(100, t.next().intValue());
    }

    @Test
    public void shouldWorkOnEdge() {
        final TokenTraversal<Edge, Integer> t = new TokenTraversal<>(T.id);
        final Edge e = mock(Edge.class);
        when(e.id()).thenReturn(100);
        t.addStart(new B_O_Traverser<>(e, 1).asAdmin());
        assertEquals(100, t.next().intValue());
    }

    @Test
    public void shouldWorkOnPropertyKey() {
        final TokenTraversal<Property<String>, String> t = new TokenTraversal<>(T.key);
        final Property<String> p = mock(Property.class);
        when(p.key()).thenReturn("name");
        t.addStart(new B_O_Traverser<>(p, 1).asAdmin());
        assertEquals("name", t.next());
    }

    @Test
    public void shouldWorkOnPropertyValue() {
        final TokenTraversal<Property<String>, String> t = new TokenTraversal<>(T.value);
        final Property<String> p = mock(Property.class);
        when(p.value()).thenReturn("marko");
        t.addStart(new B_O_Traverser<>(p, 1).asAdmin());
        assertEquals("marko", t.next());
    }
}