/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * 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,
 * 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 hivemall.model;

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

import org.junit.Test;

public class FeatureValueTest {

    @Test
    public void testParseWithoutWeight() {
        String expectedFeature = "ad_url|891572";
        FeatureValue fv = FeatureValue.parse(expectedFeature);
        assertNotNull(fv);
        assertEquals(expectedFeature, fv.getFeature().toString());
        assertEquals(1.f, fv.getValueAsFloat(), 0.f);

        expectedFeature = "891572";
        fv = FeatureValue.parse(expectedFeature);
        assertNotNull(fv);
        assertEquals(expectedFeature, fv.getFeature().toString());
        assertEquals(1.f, fv.getValueAsFloat(), 0.f);
    }

    @Test
    public void testParseWithWeight() {
        String expectedFeature = "ad_url:0.5";
        FeatureValue fv = FeatureValue.parse(expectedFeature);
        assertNotNull(fv);
        assertEquals("ad_url", fv.getFeature().toString());
        assertEquals(0.5f, fv.getValueAsFloat(), 0.f);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testParseExpectingIllegalArgumentException() {
        FeatureValue.parse("ad_url:");
    }

    @Test(expected = NumberFormatException.class)
    public void testParseExpectingNumberFormatException() {
        FeatureValue.parse("ad_url:xxxxx");
    }

}