DiskSpaceTest.java example

Explorer
gocd-master
/*************************GO-LICENSE-START*********************************
 * Copyright 2014 ThoughtWorks, Inc.
 *
 * 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
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package com.thoughtworks.go.domain;

import org.junit.Test;

import static org.hamcrest.core.Is.is;
import static org.hamcrest.number.OrderingComparison.greaterThan;
import static org.hamcrest.number.OrderingComparison.lessThan;
import static org.junit.Assert.assertThat;

public class DiskSpaceTest {

    @Test
    public void shouldCompareDiskSpace() {
        assertThat(new DiskSpace(10L).compareTo(new DiskSpace(12L)), is(lessThan(0)));
        assertThat(DiskSpace.unknownDiskSpace().compareTo(new DiskSpace(12L)), is(lessThan(0)));
        assertThat(new DiskSpace(10L).compareTo(DiskSpace.unknownDiskSpace()), is(greaterThan(0)));
        assertThat(DiskSpace.unknownDiskSpace().compareTo(DiskSpace.unknownDiskSpace()), is(0));
    }

    @Test
    public void shouldProduceHumanReadableStringRepresentation() {
        assertThat(new DiskSpace(3 * 512 * 1024 * 1024L).toString(), is("1.5 GB"));
        assertThat(new DiskSpace(10 * 1024 * 1024 * 1024L).toString(), is("10.0 GB"));
        assertThat(DiskSpace.unknownDiskSpace().toString(), is("Unknown"));
    }
}