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// Copyright 2021 The Bazel Authors. All rights reserved.
//
// 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.
//
package com.google.devtools.build.lib.bazel.bzlmod;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import com.google.devtools.build.lib.bazel.bzlmod.Version.ParseException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link Version}. */
@RunWith(JUnit4.class)
public class VersionTest {
@Test
public void testEmptyBeatsEverything() throws Exception {
assertThat(Version.parse("")).isGreaterThan(Version.parse("1.0"));
assertThat(Version.parse("")).isGreaterThan(Version.parse("1.0+build"));
assertThat(Version.parse("")).isGreaterThan(Version.parse("1.0-pre"));
assertThat(Version.parse("")).isGreaterThan(Version.parse("1.0-pre+build-kek.lol"));
}
@Test
public void testReleaseVersion() throws Exception {
assertThat(Version.parse("2.0")).isGreaterThan(Version.parse("1.0"));
assertThat(Version.parse("2.0")).isGreaterThan(Version.parse("1.9"));
assertThat(Version.parse("11.0")).isGreaterThan(Version.parse("3.0"));
assertThat(Version.parse("1.0.1")).isGreaterThan(Version.parse("1.0"));
assertThat(Version.parse("1.0.0")).isGreaterThan(Version.parse("1.0"));
assertThat(Version.parse("1.0+build2"))
.isEquivalentAccordingToCompareTo(Version.parse("1.0+build3"));
assertThat(Version.parse("1.0")).isGreaterThan(Version.parse("1.0-pre"));
assertThat(Version.parse("1.0"))
.isEquivalentAccordingToCompareTo(Version.parse("1.0+build-notpre"));
}
@Test
public void testReleaseVersionWithLetters() throws Exception {
assertThat(Version.parse("1.0.patch.3")).isGreaterThan(Version.parse("1.0"));
assertThat(Version.parse("1.0.patch.3")).isGreaterThan(Version.parse("1.0.patch.2"));
assertThat(Version.parse("1.0.patch.3")).isLessThan(Version.parse("1.0.patch.10"));
assertThat(Version.parse("1.0.patch3")).isGreaterThan(Version.parse("1.0.patch10"));
assertThat(Version.parse("4")).isLessThan(Version.parse("a"));
assertThat(Version.parse("abc")).isLessThan(Version.parse("abd"));
}
@Test
public void testPrereleaseVersion() throws Exception {
assertThat(Version.parse("1.0-pre")).isGreaterThan(Version.parse("1.0-are"));
assertThat(Version.parse("1.0-3")).isGreaterThan(Version.parse("1.0-2"));
assertThat(Version.parse("1.0-pre")).isLessThan(Version.parse("1.0-pre.foo"));
assertThat(Version.parse("1.0-pre.3")).isGreaterThan(Version.parse("1.0-pre.2"));
assertThat(Version.parse("1.0-pre.10")).isGreaterThan(Version.parse("1.0-pre.2"));
assertThat(Version.parse("1.0-pre.10a")).isLessThan(Version.parse("1.0-pre.2a"));
assertThat(Version.parse("1.0-pre.99")).isLessThan(Version.parse("1.0-pre.2a"));
assertThat(Version.parse("1.0-pre.patch.3")).isLessThan(Version.parse("1.0-pre.patch.4"));
assertThat(Version.parse("1.0--")).isLessThan(Version.parse("1.0----"));
}
@Test
public void testParseException() throws Exception {
assertThrows(ParseException.class, () -> Version.parse("-abc"));
assertThrows(ParseException.class, () -> Version.parse("1_2"));
assertThrows(ParseException.class, () -> Version.parse("ßážëł"));
assertThrows(ParseException.class, () -> Version.parse("1.0-pre?"));
assertThrows(ParseException.class, () -> Version.parse("1.0-pre///"));
assertThrows(ParseException.class, () -> Version.parse("1..0"));
assertThrows(ParseException.class, () -> Version.parse("1.0-pre..erp"));
}
}