JsonRepresentationTest_size.java

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 *  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,
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 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
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package org.apache.isis.viewer.restfulobjects.applib;

import java.io.IOException;
import org.junit.Test;

import static org.apache.isis.viewer.restfulobjects.applib.JsonFixture.readJson;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public class JsonRepresentationTest_size {

    private JsonRepresentation jsonRepresentation;

    @Test
    public void size_forEmptyMap() throws IOException {
        jsonRepresentation = new JsonRepresentation(readJson("emptyMap.json"));
        assertThat(jsonRepresentation.size(), is(0));
    }

    @Test
    public void size_forNonEmptyMap() throws IOException {
        jsonRepresentation = new JsonRepresentation(readJson("map.json"));
        assertThat(jsonRepresentation.size(), is(17));
    }

    @Test
    public void size_forEmptyList() throws IOException {
        jsonRepresentation = new JsonRepresentation(readJson("emptyList.json"));
        assertThat(jsonRepresentation.size(), is(0));
    }

    @Test
    public void size_forNonEmptyList() throws IOException {
        jsonRepresentation = new JsonRepresentation(readJson("list.json"));
        assertThat(jsonRepresentation.size(), is(2));
    }

    @Test(expected = IllegalStateException.class)
    public void size_forValue() throws IOException {
        jsonRepresentation = new JsonRepresentation(readJson("map.json"));
        final JsonRepresentation valueRepresentation = jsonRepresentation.getRepresentation("anInt");
        valueRepresentation.size();
    }

}