org.zalando.jackson.datatype.money.MonetaryAmountSerializerTest.java Source code

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Here is the source code for org.zalando.jackson.datatype.money.MonetaryAmountSerializerTest.java

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package org.zalando.jackson.datatype.money;

/*
 * ?
 * jackson-datatype-money
 * ??
 * Copyright (C) 2015 Zalando SE
 * ??
 * Licensed 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.
 * ?
 */

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.module.SimpleModule;
import org.javamoney.moneta.Money;
import org.junit.Test;

import javax.money.CurrencyUnit;
import javax.money.MonetaryAmount;
import java.io.IOException;
import java.util.Locale;

import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;

public final class MonetaryAmountSerializerTest {

    @Test
    public void shouldSerialize() throws JsonProcessingException {
        final ObjectMapper unit = new ObjectMapper().findAndRegisterModules();

        final String expected = "{\"amount\":29.95,\"currency\":\"EUR\"}";
        final String actual = unit.writeValueAsString(Money.of(29.95, "EUR"));

        assertThat(actual, is(expected));
    }

    @Test
    public void defaultConstructorShouldFallbackToNoFormatting() throws IOException {
        final ObjectMapper unit = new ObjectMapper()
                .registerModule(new SimpleModule().addSerializer(CurrencyUnit.class, new CurrencyUnitSerializer())
                        .addSerializer(MonetaryAmount.class, new MonetaryAmountSerializer()));

        final String expected = "{\"amount\":29.95,\"currency\":\"EUR\"}";
        final String actual = unit.writeValueAsString(Money.of(29.95, "EUR"));

        assertThat(actual, is(expected));
    }

    @Test
    public void shouldSerializeWithoutFormattedValueIfFactoryProducesNull() throws JsonProcessingException {
        final ObjectMapper unit = new ObjectMapper().registerModule(new MoneyModule());

        final String expected = "{\"amount\":29.95,\"currency\":\"EUR\"}";
        final String actual = unit.writeValueAsString(Money.of(29.95, "EUR"));

        assertThat(actual, is(expected));
    }

    @Test
    public void shouldSerializeWithFormattedGermanValue() throws JsonProcessingException {
        final ObjectMapper unit = new ObjectMapper()
                .registerModule(new MoneyModule(new DefaultMonetaryAmountFormatFactory()));

        final String expected = "{\"amount\":29.95,\"currency\":\"EUR\",\"formatted\":\"29,95 EUR\"}";

        final ObjectWriter writer = unit.writer().with(Locale.GERMANY);
        final String actual = writer.writeValueAsString(Money.of(29.95, "EUR"));

        assertThat(actual, is(expected));
    }

    @Test
    public void shouldSerializeWithFormattedAmericanValue() throws JsonProcessingException {
        final ObjectMapper unit = new ObjectMapper()
                .registerModule(new MoneyModule(new DefaultMonetaryAmountFormatFactory()));

        final String expected = "{\"amount\":29.95,\"currency\":\"USD\",\"formatted\":\"USD29.95\"}";

        final ObjectWriter writer = unit.writer().with(Locale.US);
        final String actual = writer.writeValueAsString(Money.of(29.95, "USD"));

        assertThat(actual, is(expected));
    }

}