/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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
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/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.indices.breaker;

import org.opensearch.core.common.breaker.CircuitBreaker;
import org.opensearch.common.settings.Settings;
import org.opensearch.test.OpenSearchTestCase;

import static org.hamcrest.Matchers.equalTo;

public class BreakerSettingsTests extends OpenSearchTestCase {

    public void testFromSettings() {
        Settings clusterSettings = Settings.builder()
            .put(BreakerSettings.breakerLimitSettingKey("foo"), "100b")
            .put(BreakerSettings.breakerLimitSettingKey("bar"), "150b")
            .put(BreakerSettings.breakerOverheadSettingKey("bar"), 2.5)
            .put(BreakerSettings.breakerTypeSettingKey("bar"), CircuitBreaker.Type.MEMORY)
            .build();

        BreakerSettings breakerFoo = BreakerSettings.updateFromSettings(
            new BreakerSettings("foo", 10L, 1.2d, CircuitBreaker.Type.NOOP, CircuitBreaker.Durability.TRANSIENT),
            clusterSettings
        );
        assertThat(breakerFoo.getDurability(), equalTo(CircuitBreaker.Durability.TRANSIENT));
        assertThat(breakerFoo.getLimit(), equalTo(100L));
        assertThat(breakerFoo.getOverhead(), equalTo(1.2));
        assertThat(breakerFoo.getType(), equalTo(CircuitBreaker.Type.NOOP));

        BreakerSettings breakerBar = BreakerSettings.updateFromSettings(
            new BreakerSettings("bar", 5L, 0.5d, CircuitBreaker.Type.NOOP, CircuitBreaker.Durability.PERMANENT),
            clusterSettings
        );
        assertThat(breakerBar.getDurability(), equalTo(CircuitBreaker.Durability.PERMANENT));
        assertThat(breakerBar.getLimit(), equalTo(150L));
        assertThat(breakerBar.getOverhead(), equalTo(2.5));
        assertThat(breakerBar.getType(), equalTo(CircuitBreaker.Type.MEMORY));
    }
}