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// Copyright 2019 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.versioning;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link SemVer}. */
@RunWith(JUnit4.class)
public class SemVerTest {
@Test
public void testFrom_unspecifiedComponentsAreZero() {
assertThat(SemVer.from(8)).isEqualTo(SemVer.from(8, 0, 0));
assertThat(SemVer.from(9, 15)).isEqualTo(SemVer.from(9, 15, 0));
}
@Test
public void testParse_ok() throws Exception {
assertThat(SemVer.parse("1")).isEqualTo(SemVer.from(1));
assertThat(SemVer.parse("2.3")).isEqualTo(SemVer.from(2, 3));
assertThat(SemVer.parse("3.5.1")).isEqualTo(SemVer.from(3, 5, 1));
assertThat(SemVer.parse("91.582.0945")).isEqualTo(SemVer.from(91, 582, 945));
}
@Test
public void testParse_errors() {
for (String s : new String[] {"", "foo", "1..2", "1.2.", "1.-1.2"}) {
ParseException e = assertThrows(ParseException.class, () -> SemVer.parse(s));
assertThat(e).hasMessageThat().contains("Invalid semver");
}
String bigint = "5000000000"; // Larger than Integer.MAX_VALUE.
for (String s : new String[] {bigint + ".0.0", "0." + bigint + ".0", "0.0." + bigint}) {
ParseException e = assertThrows(ParseException.class, () -> SemVer.parse(s));
assertThat(e).hasMessageThat().contains("Invalid number in semver component");
}
}
@Test
public void testComparison_oneComponent() {
assertThat(SemVer.from(1, 0, 0)).isLessThan(SemVer.from(2, 0, 0));
assertThat(SemVer.from(1, 0, 0)).isEqualTo(SemVer.from(1, 0, 0));
assertThat(SemVer.from(2, 0, 0)).isGreaterThan(SemVer.from(1, 0, 0));
assertThat(SemVer.from(0, 1, 0)).isLessThan(SemVer.from(0, 2, 0));
assertThat(SemVer.from(0, 1, 0)).isEqualTo(SemVer.from(0, 1, 0));
assertThat(SemVer.from(0, 2, 0)).isGreaterThan(SemVer.from(0, 1, 0));
assertThat(SemVer.from(0, 0, 1)).isLessThan(SemVer.from(0, 0, 2));
assertThat(SemVer.from(0, 0, 1)).isEqualTo(SemVer.from(0, 0, 1));
assertThat(SemVer.from(0, 0, 2)).isGreaterThan(SemVer.from(0, 0, 1));
}
@Test
public void testComparison_multipleComponents() {
assertThat(SemVer.from(1, 0, 0)).isLessThan(SemVer.from(1, 1, 0));
assertThat(SemVer.from(1, 1, 0)).isGreaterThan(SemVer.from(1, 0, 0));
assertThat(SemVer.from(1, 0, 0)).isLessThan(SemVer.from(1, 0, 1));
assertThat(SemVer.from(1, 0, 1)).isGreaterThan(SemVer.from(1, 0, 0));
}
@Test
public void testToString_keepsAllComponents() {
assertThat(SemVer.from(0, 0, 0).toString()).isEqualTo("0.0.0");
assertThat(SemVer.from(7, 1, 8).toString()).isEqualTo("7.1.8");
}
}