TypeNameValueTest.java

/**
 * The MIT License
 * Copyright © 2010 JmxTrans team
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.googlecode.jmxtrans.model.naming.typename;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import org.junit.Assert;
import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class TypeNameValueTest {

    private void assertExtractsTypeNameValues(String typeNameStr, TypeNameValue... expectedValues) {
        Assert.assertArrayEquals(expectedValues,
                Iterables.toArray(TypeNameValue.extract(typeNameStr), TypeNameValue.class));
    }

    @Test
    public void testExtractsEmpty() {
        assertExtractsTypeNameValues("");
        assertExtractsTypeNameValues(",,,");
    }

    @Test
    public void testExtractsSingle() {
        assertExtractsTypeNameValues("key=value", new TypeNameValue("key", "value"));
    }

    @Test
    public void testExtractsMultiple() {
        assertExtractsTypeNameValues("key1=value1,key2=value2",
                new TypeNameValue("key1", "value1"),
                new TypeNameValue("key2", "value2"));
        // reorder
        assertExtractsTypeNameValues("key2=value2,key1=value1",
                new TypeNameValue("key2", "value2"),
                new TypeNameValue("key1", "value1"));
    }

    @Test
    public void testExtractsWithoutValue() {
        assertExtractsTypeNameValues("key",
                new TypeNameValue("key"));
        assertExtractsTypeNameValues("key1,key2",
                new TypeNameValue("key1"),
                new TypeNameValue("key2"));
    }

    @Test
    public void testExtractsMixedCases() {
        assertExtractsTypeNameValues("key1=value1,,key2=value2,key3",
                new TypeNameValue("key1", "value1"),
                new TypeNameValue("key2", "value2"),
                new TypeNameValue("key3"));
        assertExtractsTypeNameValues("key1=value1,key2,,key3=value3",
                new TypeNameValue("key1", "value1"),
                new TypeNameValue("key2"),
                new TypeNameValue("key3", "value3"));
        assertExtractsTypeNameValues(",key1,key2=value2,key3=value3",
                new TypeNameValue("key1"),
                new TypeNameValue("key2", "value2"),
                new TypeNameValue("key3", "value3"));
        assertExtractsTypeNameValues("key1,key2=value2,key3,",
                new TypeNameValue("key1"),
                new TypeNameValue("key2", "value2"),
                new TypeNameValue("key3"));
    }

    @Test
    public void testExtractMap() {
        assertThat(TypeNameValue.extractMap(null)).isEmpty();
        assertThat(TypeNameValue.extractMap("")).isEmpty();
        assertThat(TypeNameValue.extractMap("x-key1-x")).isEqualTo(ImmutableMap.of("x-key1-x", ""));
        assertThat(TypeNameValue.extractMap("x-key1-x,x-key2-x")).isEqualTo(ImmutableMap.of("x-key1-x", "", "x-key2-x", ""));
        assertThat(TypeNameValue.extractMap("x-key1-x=x-value1-x")).isEqualTo(ImmutableMap.of("x-key1-x", "x-value1-x"));
        assertThat(TypeNameValue.extractMap("x-key1-x=x-value1-x,y-key2-y=y-value2-y"))
                .isEqualTo(ImmutableMap.of("x-key1-x", "x-value1-x", "y-key2-y", "y-value2-y"));
        assertThat(TypeNameValue.extractMap("x-key1-x=x-value1-x,y-key2-y=y-value2-y,z-key3-z=z-value3-z"))
                .isEqualTo(ImmutableMap.of("x-key1-x", "x-value1-x", "y-key2-y", "y-value2-y", "z-key3-z", "z-value3-z"));
        assertThat(TypeNameValue.extractMap("x-key1-x=x-value1-x,y-key2-y,yy-key2.5-yy=a=1,z-key3-z=z-value3-z"))
                .isEqualTo(ImmutableMap.of("x-key1-x", "x-value1-x", "y-key2-y", "", "yy-key2.5-yy", "a=1", "z-key3-z", "z-value3-z"));
    }
}