/*
 * Copyright 2017 Google LLC
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google LLC nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.google.api.gax.grpc;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.regex.Pattern;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public class GaxGrpcPropertiesTest {

  @Test
  public void testGrpcVersion() {
    String grpcVersion = GaxGrpcProperties.getGrpcVersion();
    assertTrue(Pattern.compile("^\\d+\\.\\d+\\.\\d+").matcher(grpcVersion).find());
  }

  @Test
  public void testGaxGrpcVersion() {
    String gaxGrpcVersion = GaxGrpcProperties.getGaxGrpcVersion();
    assertNotNull(gaxGrpcVersion);
  }

  @Test
  public void testDefaultHeaderPattern() {
    assertTrue(
        GaxGrpcProperties.getDefaultApiClientHeaderPattern()
            .matcher("gl-java/1.8_00 gapic/1.2.3-alpha gax/1.5.0 grpc/1.7.0")
            .matches());
  }
}