src/test/java/com/google/devtools/build/lib/remote/ApiVersionTest.java

// Copyright 2018 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.remote;

import static com.google.common.truth.Truth.assertThat;

import build.bazel.semver.SemVer;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

// Tests for {@link ApiVersion}.
@RunWith(JUnit4.class)
public class ApiVersionTest {
  @Test
  public void testToString() throws Exception {
    assertThat(new ApiVersion(0, 0, 0, "v1test").toString()).isEqualTo("v1test");
    assertThat(new ApiVersion(1, 2, 3, "v1test").toString()).isEqualTo("v1test");
    assertThat(new ApiVersion(2, 0, 0, "").toString()).isEqualTo("2.0");
    assertThat(new ApiVersion(2, 1, 0, "").toString()).isEqualTo("2.1");
    assertThat(new ApiVersion(10, 0, 3, "").toString()).isEqualTo("10.0.3");
  }

  @Test
  public void testCompareTo() throws Exception {
    assertThat(new ApiVersion(0, 0, 0, "v1test").compareTo(new ApiVersion(0, 0, 0, "v1test")))
        .isEqualTo(0);
    assertThat(new ApiVersion(0, 0, 0, "v1test").compareTo(new ApiVersion(0, 1, 0, "")))
        .isLessThan(0);
    assertThat(new ApiVersion(0, 0, 1, "").compareTo(new ApiVersion(1, 0, 0, "v1test")))
        .isGreaterThan(0);
    assertThat(new ApiVersion(1, 0, 0, "").compareTo(new ApiVersion(2, 0, 0, ""))).isLessThan(0);
    assertThat(new ApiVersion(2, 0, 0, "").compareTo(new ApiVersion(1, 0, 0, ""))).isGreaterThan(0);
    assertThat(new ApiVersion(2, 1, 0, "").compareTo(new ApiVersion(2, 2, 0, ""))).isLessThan(0);
    assertThat(new ApiVersion(2, 2, 0, "").compareTo(new ApiVersion(2, 1, 0, ""))).isGreaterThan(0);
    assertThat(new ApiVersion(2, 2, 1, "").compareTo(new ApiVersion(2, 2, 2, ""))).isLessThan(0);
    assertThat(new ApiVersion(2, 2, 2, "").compareTo(new ApiVersion(2, 1, 1, ""))).isGreaterThan(0);
    assertThat(new ApiVersion(2, 2, 2, "").compareTo(new ApiVersion(2, 2, 2, ""))).isEqualTo(0);
  }

  @Test
  public void testFromToSemver() throws Exception {
    SemVer[] semvers =
        new SemVer[] {
          SemVer.newBuilder().setMajor(2).build(),
          SemVer.newBuilder().setMajor(2).setMinor(1).setPatch(3).build(),
          SemVer.newBuilder().setPrerelease("v1test").build(),
        };
    for (SemVer sm : semvers) {
      assertThat(new ApiVersion(sm).toSemVer()).isEqualTo(sm);
    }
  }
}