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9bdb2ef1f3
The major changes are using the ExpectedException rule instead of a try/catch pattern, asserting the message for thrown exceptions, defaulting to JUnit4 unless Mockito is really necessary, and making each test examine one behavior. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=131211346
57 lines
1.9 KiB
Java
57 lines
1.9 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.monitoring.metrics;
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import static com.google.common.base.Preconditions.checkArgument;
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import com.google.auto.value.AutoValue;
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import com.google.re2j.Pattern;
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/**
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* Definition of a metric label.
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*
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* <p>If a metric is created with labels, corresponding label values must be provided when setting
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* values on the metric.
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*/
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@AutoValue
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public abstract class LabelDescriptor {
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private static final Pattern ALLOWED_LABEL_PATTERN = Pattern.compile("\\w+");
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LabelDescriptor() {}
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/**
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* Returns a new {@link LabelDescriptor}.
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*
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* @param name identifier for label
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* @param description human-readable description of label
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* @throws IllegalArgumentException if {@code name} isn't {@code \w+} or {@code description} is
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* blank
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*/
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public static LabelDescriptor create(String name, String description) {
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checkArgument(!name.isEmpty(), "Name must not be empty");
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checkArgument(!description.isEmpty(), "Description must not be empty");
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checkArgument(
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ALLOWED_LABEL_PATTERN.matches(name),
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"Label name must match the regex %s",
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ALLOWED_LABEL_PATTERN);
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return new AutoValue_LabelDescriptor(name, description);
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}
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public abstract String name();
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public abstract String description();
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}
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