uk.gov.gchq.koryphe.impl.function.ToUpperCaseTest.java Source code

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Here is the source code for uk.gov.gchq.koryphe.impl.function.ToUpperCaseTest.java

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package uk.gov.gchq.koryphe.impl.function;/*
                                          * Copyright 2018 Crown Copyright
                                          *
                                          * 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 org.apache.commons.lang3.StringUtils;
import org.junit.Test;

import uk.gov.gchq.koryphe.function.FunctionTest;
import uk.gov.gchq.koryphe.util.JsonSerialiser;

import java.io.IOException;
import java.util.function.Function;

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

public class ToUpperCaseTest extends FunctionTest {
    private static final String TEST_STRING = "test string";

    @Test
    public void shouldUpperCaseInput() {
        // Given
        final ToUpperCase function = new ToUpperCase();

        // When
        Object output = function.apply(TEST_STRING);

        assertEquals(StringUtils.upperCase(TEST_STRING), output);
    }

    @Override
    protected Function getInstance() {
        return new ToUpperCase();
    }

    @Override
    protected Class<? extends Function> getFunctionClass() {
        return ToUpperCase.class;
    }

    @Override
    public void shouldJsonSerialiseAndDeserialise() throws IOException {
        // Given
        final ToUpperCase function = new ToUpperCase();

        // When
        final String json = JsonSerialiser.serialise(function);

        // Then
        JsonSerialiser.assertEquals(
                String.format("{%n" + "  \"class\" : \"uk.gov.gchq.koryphe.impl.function.ToUpperCase\"%n" + "}"),
                json);

        // When 2
        final ToUpperCase deserialisedMethod = JsonSerialiser.deserialise(json, ToUpperCase.class);

        // Then 2
        assertNotNull(deserialisedMethod);
    }
}