PercentageValueSemanticsProviderTest.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.value;

import static org.junit.Assert.assertEquals;

import org.jmock.Expectations;
import org.junit.Before;
import org.junit.Test;

import org.apache.isis.applib.value.Percentage;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetHolderImpl;
import org.apache.isis.core.metamodel.facets.value.percentage.PercentageValueSemanticsProvider;

public class PercentageValueSemanticsProviderTest extends ValueSemanticsProviderAbstractTestCase {
    private PercentageValueSemanticsProvider adapter;
    private Percentage percentage;
    private FacetHolder holder;

    @Before
    public void setUpObjects() throws Exception {
        context.checking(new Expectations() {
            {
                allowing(mockConfiguration).getString("isis.value.format.percentage");
                will(returnValue(null));
            }
        });

        percentage = new Percentage(0.105f);
        allowMockAdapterToReturn(percentage);

        holder = new FacetHolderImpl();

        setValue(adapter = new PercentageValueSemanticsProvider(holder, mockServicesInjector));
    }

    @Test
    public void testAsEncodedString() {
        final String encoded = getEncodeableFacet().toEncodedString(mockAdapter);
        assertEquals("0.105", encoded);
    }

    @Test
    public void testParseTextEntryWithNumber() {
        final Percentage parsed = adapter.parseTextEntry(percentage, "21%");
        assertEquals(new Percentage(0.21f), parsed);
    }

    @Test
    public void testParseTextEntryWithNumberAndDecimalPoint() {
        final Percentage parsed = adapter.parseTextEntry(percentage, "21.4%");
        assertEquals(new Percentage(0.214f), parsed);
    }

    @Test
    public void testParseTextEntryWithBlank() {
        final Percentage parsed = adapter.parseTextEntry(percentage, "");
        assertEquals(null, parsed);
    }

    @Test
    public void testRestoreFromEncodedString() {
        final Object restored = adapter.fromEncodedString("0.2134");
        assertEquals(new Percentage(0.2134f), restored);
    }

    @Test
    public void testTitleOf() {
        assertEquals("10%", adapter.displayTitleOf(percentage));
    }

    @Test
    public void testFloatValue() {
        assertEquals(0.105f, adapter.floatValue(mockAdapter), 0.0f);
    }

}