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Validating Sentinel Gateway Properties Configuration in Spring Cloud Alibaba

This test suite evaluates the configuration and behavior of Sentinel Gateway Properties in Spring Cloud Alibaba. It focuses on validating order settings and fallback property management for the gateway implementation, ensuring proper initialization and modification of critical gateway components.

Test Coverage Overview

The test suite provides comprehensive coverage of SentinelGatewayProperties functionality:

Default order value verification
Custom order setting validation
Fallback properties initialization checking
Fallback properties modification testing

Implementation Analysis

The testing approach utilizes JUnit’s systematic methodology for validating gateway property management. It employs a clear setup-execute-verify pattern with @Before initialization and discrete @Test methods for specific property validations.

The implementation focuses on both default state verification and mutation testing of property values.

Technical Details

Testing infrastructure includes:

JUnit 4 testing framework
Assert class for assertions
@Before annotation for test initialization
SentinelGatewayProperties class under test
FallbackProperties for fallback configuration testing

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Clean test initialization using @Before
Single responsibility principle in test methods
Clear test method naming conventions
Proper assertion usage for value verification
Comprehensive coverage of both default and modified states

alibaba/spring-cloud-alibaba

spring-cloud-alibaba-starters/spring-cloud-alibaba-sentinel-gateway/src/test/java/com/alibaba/cloud/sentinel/gateway/scg/SentinelGatewayPropertiesTest.java

            
/*
 * Copyright 2013-2023 the original author or authors.
 *
 * 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
 *
 *      https://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.
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package com.alibaba.cloud.sentinel.gateway.scg;

import com.alibaba.cloud.sentinel.gateway.FallbackProperties;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import org.springframework.core.Ordered;

public class SentinelGatewayPropertiesTest {

	private SentinelGatewayProperties properties;

	@Before
	public void setUp() {
		properties = new SentinelGatewayProperties();
	}

	@Test
	public void testDefaultOrder() {
		Assert.assertEquals(Ordered.HIGHEST_PRECEDENCE, properties.getOrder().intValue());
	}

	@Test
	public void testSetOrder() {
		int newOrder = 100;
		properties.setOrder(newOrder);
		Assert.assertEquals(newOrder, properties.getOrder().intValue());
	}

	@Test
	public void testFallbackPropertiesInitialization() {
		Assert.assertNull(properties.getFallback());
	}

	@Test
	public void testSetFallbackProperties() {
		FallbackProperties newFallback = new FallbackProperties();
		properties.setFallback(newFallback);
		Assert.assertSame(newFallback, properties.getFallback());
	}
}