MemberGroupLayoutFacetPropertiesTest_asColumnSpans.java

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 *  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
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 *
 *        http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.isis.core.metamodel.facets.object.membergroups.annotprop;

import java.util.Properties;
import org.junit.Before;
import org.junit.Test;
import org.apache.isis.applib.annotation.MemberGroupLayout.ColumnSpans;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;

public class MemberGroupLayoutFacetPropertiesTest_asColumnSpans {

    private Properties properties;

    @Before
    public void setUp() throws Exception {
        properties = new Properties();
    }
    
    @Test
    public void empty() throws Exception {
        assertThat(MemberGroupLayoutFacetProperties.asColumnSpans(properties), is(nullValue()));
    }
    
    @Test
    public void other() throws Exception {
        properties.put("foo", "a,b,c");
        assertThat(MemberGroupLayoutFacetProperties.asColumnSpans(properties), is(nullValue()));
    }

    @Test
    public void happyCase() throws Exception {
        properties.put("columnSpans", "2,3,0,7");
        assertThat(MemberGroupLayoutFacetProperties.asColumnSpans(properties), is(ColumnSpans.asSpans(2,3,0,7)));
    }
    
    @Test
    public void trimmed() throws Exception {
        properties.put("columnSpans", " 2,3,0,7 ");
        assertThat(MemberGroupLayoutFacetProperties.asColumnSpans(properties), is(ColumnSpans.asSpans(2,3,0,7)));
    }
    
    @Test
    public void invalid() throws Exception {
        properties.put("columnSpans", "x,x,x,x");
        assertThat(MemberGroupLayoutFacetProperties.asColumnSpans(properties), is(nullValue()));
    }

}