com.github.hateoas.forms.spring.uber.AbstractUberNodeTest.java Source code

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Here is the source code for com.github.hateoas.forms.spring.uber.AbstractUberNodeTest.java

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/*
 * Copyright (c) 2015. Escalon System-Entwicklung, Dietrich Schulten
 *
 * Licensed 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 com.github.hateoas.forms.spring.uber;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.util.Arrays;

import org.junit.Before;
import org.junit.Test;
import org.springframework.hateoas.Link;

import com.github.hateoas.forms.spring.uber.AbstractUberNode;
import com.github.hateoas.forms.spring.uber.UberNode;

public class AbstractUberNodeTest {

    private static final String URL_PREVIOUS = "http://www.example.com/previous";

    private static final String URL_NEXT = "http://www.example.com/next";

    private DummyUberNode dummyUberNode;

    private final UberNode foo = new UberNode();

    private final UberNode bar = new UberNode();

    private final UberNode baz = new UberNode();

    private final Link linkPrevious = new Link(URL_PREVIOUS, Link.REL_PREVIOUS);

    private final Link linkNext = new Link(URL_NEXT, Link.REL_NEXT);

    class DummyUberNode extends AbstractUberNode {

    }

    @Before
    public void setUp() throws Exception {
        dummyUberNode = new DummyUberNode();

        foo.setName("foo");
        foo.addData(new UberNode());

        bar.setName("bar");
        bar.addData(new UberNode());
    }

    @Test
    public void iteratesOverDataIgnoringLinksInBetween() throws Exception {

        dummyUberNode.addData(foo);
        dummyUberNode.addLink(linkNext);
        dummyUberNode.addData(bar);

        int i = 0;
        String[] expected = { "foo", "bar" };
        for (UberNode uberNode : dummyUberNode) {
            assertEquals(expected[i++], uberNode.getName());
        }
    }

    @Test
    public void iteratesOverDataIgnoringLinksAtStart() throws Exception {
        dummyUberNode.addLink(linkNext);
        dummyUberNode.addData(foo);
        dummyUberNode.addData(bar);

        int i = 0;
        String[] expected = { "foo", "bar" };
        for (UberNode uberNode : dummyUberNode) {
            assertEquals(expected[i++], uberNode.getName());
        }
    }

    @Test
    public void iteratesOverDataIgnoringLinksAtEnd() throws Exception {

        dummyUberNode.addData(foo);
        dummyUberNode.addData(bar);
        dummyUberNode.addLink(linkNext);

        int i = 0;
        String[] expected = { "foo", "bar" };
        for (UberNode uberNode : dummyUberNode) {
            assertEquals(expected[i++], uberNode.getName());
        }
    }

    @Test
    public void iteratesOverData() throws Exception {
        dummyUberNode.addData(foo);
        dummyUberNode.addData(bar);

        int i = 0;
        String[] expected = { "foo", "bar", };
        for (UberNode uberNode : dummyUberNode) {
            assertEquals(expected[i++], uberNode.getName());
        }
    }

    @Test
    public void iteratesInOrder() throws Exception {
        dummyUberNode.addData(bar);
        dummyUberNode.addData(foo);
        dummyUberNode.addData(baz);

        int i = 0;
        String[] expected = { "bar", "foo", "baz" };
        for (UberNode uberNode : dummyUberNode) {
            assertEquals(expected[i++], uberNode.getName());
        }
    }

    @Test
    public void getsFirstNodeByRel() throws Exception {
        dummyUberNode.addData(bar);
        dummyUberNode.addLink(linkPrevious);

        assertNotNull("rel previous not found", dummyUberNode.getFirstByRel(Link.REL_PREVIOUS));
    }

    @Test
    public void getsFirstNodeByName() throws Exception {
        dummyUberNode.addLink(linkPrevious);
        dummyUberNode.addData(foo);
        dummyUberNode.addData(bar);

        assertNotNull("item bar not found", dummyUberNode.getFirstByName("bar"));
        assertNotNull("item foo not found", dummyUberNode.getFirstByName("foo"));
        assertNull(dummyUberNode.getFirstByName("noSuchName"));
    }

    @Test
    public void findsAddedLinks() throws Exception {
        dummyUberNode.addLinks(Arrays.asList(linkNext, linkPrevious));
        assertEquals(URL_NEXT, dummyUberNode.getFirstByRel(Link.REL_NEXT).getUrl());
        assertEquals(URL_PREVIOUS, dummyUberNode.getFirstByRel(Link.REL_PREVIOUS).getUrl());
        assertNull(dummyUberNode.getFirstByRel("noSuchRel"));
    }
}