javatests/com/google/gerrit/metrics/dropwizard/DropWizardMetricMakerTest.java

// Copyright (C) 2018 The Android Open Source Project
//
// 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.gerrit.metrics.dropwizard;

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

import com.google.gerrit.testing.GerritBaseTests;
import org.junit.Test;

public class DropWizardMetricMakerTest extends GerritBaseTests {
  DropWizardMetricMaker metrics =
      new DropWizardMetricMaker(null /* MetricRegistry unused in tests */);

  @Test
  public void shouldSanitizeUnwantedChars() throws Exception {
    assertThat(metrics.sanitizeMetricName("very+confusing$long#metric@net/name^1"))
        .isEqualTo("very_confusing_long_metric_net/name_1");
    assertThat(metrics.sanitizeMetricName("/metric/submetric")).isEqualTo("_metric/submetric");
  }

  @Test
  public void shouldReduceConsecutiveSlashesToOne() throws Exception {
    assertThat(metrics.sanitizeMetricName("/metric//submetric1///submetric2/submetric3"))
        .isEqualTo("_metric/submetric1/submetric2/submetric3");
  }

  @Test
  public void shouldNotFinishWithSlash() throws Exception {
    assertThat(metrics.sanitizeMetricName("metric/")).isEqualTo("metric");
    assertThat(metrics.sanitizeMetricName("metric//")).isEqualTo("metric");
    assertThat(metrics.sanitizeMetricName("metric/submetric/")).isEqualTo("metric/submetric");
  }
}