FloatValueSemanticsProviderTest.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 static org.junit.Assert.fail;

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

import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetHolderImpl;
import org.apache.isis.core.metamodel.facets.object.parseable.TextEntryParseException;
import org.apache.isis.core.metamodel.facets.value.floats.FloatValueSemanticsProviderAbstract;
import org.apache.isis.core.metamodel.facets.value.floats.FloatWrapperValueSemanticsProvider;

public class FloatValueSemanticsProviderTest extends ValueSemanticsProviderAbstractTestCase {

    private FloatValueSemanticsProviderAbstract value;
    private Float float1;
    private FacetHolder holder;

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

        float1 = new Float(32.5f);
        allowMockAdapterToReturn(float1);

        holder = new FacetHolderImpl();
        setValue(value = new FloatWrapperValueSemanticsProvider(holder, mockServicesInjector));
    }

    @Test
    public void testInvalidParse() throws Exception {
        try {
            value.parseTextEntry(null, "one");
            fail();
        } catch (final TextEntryParseException expected) {
        }
    }

    @Test
    public void testTitleOf() {
        assertEquals("32.5", value.displayTitleOf(float1));
    }

    @Test
    public void testParse() throws Exception {
        final Object parsed = value.parseTextEntry(null, "120.50");
        assertEquals(120.5f, ((Float) parsed).floatValue(), 0.0);
    }

    @Test
    public void testParseBadlyFormatedEntry() throws Exception {
        final Object parsed = value.parseTextEntry(null, "1,20.0");
        assertEquals(120.0f, ((Float) parsed).floatValue(), 0.0);
    }

    @Test
    public void testEncode() throws Exception {
        assertEquals("32.5", getEncodeableFacet().toEncodedString(createAdapter(float1)));
    }

    @Test
    public void testDecode() throws Exception {
        final Object restored = value.fromEncodedString("10.25");
        assertEquals(10.25, ((Float) restored).floatValue(), 0.0);
    }

}