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Implementing Base Android Test Infrastructure in AndroidUtilCode

This base test class provides fundamental test infrastructure for the AndroidUtilCode library, implementing Robolectric for Android unit testing. It establishes core testing capabilities with shadow classes and application context initialization.

Test Coverage Overview

The BaseTest class serves as a foundation for Android utility testing, providing essential test infrastructure setup.

Key aspects include:

Application context initialization through RuntimeEnvironment
Shadow class implementation for Android component simulation
System output stream configuration for logging
Basic test method scaffolding

Implementation Analysis

The testing approach utilizes Robolectric’s test runner and shadow classes for Android environment simulation.

Technical implementation features:

RobolectricTestRunner configuration for Android framework testing
ShadowLog implementation for test output management
Utils initialization with mock application context
Constructor-based test environment setup

Technical Details

Testing infrastructure components:

JUnit 4 test framework
Robolectric for Android environment simulation
Shadow classes for Android component mocking
RuntimeEnvironment for application context provision
Config.NONE manifest configuration

Best Practices Demonstrated

The test implementation showcases several testing best practices in Android development.

Notable practices include:

Proper test runner configuration
Effective shadow class utilization
Clean separation of test setup logic
Structured base class implementation for test reuse
Appropriate logging configuration

blankj/androidutilcode

lib/subutil/src/test/java/com/blankj/subutil/util/BaseTest.java

            
package com.blankj.subutil.util;


import com.blankj.utilcode.util.Utils;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
import org.robolectric.shadows.ShadowLog;


/**
 * <pre>
 *     author: Blankj
 *     blog  : http://blankj.com
 *     time  : 2018/08/03
 *     desc  :
 * </pre>
 */
@RunWith(RobolectricTestRunner.class)
@Config(manifest = Config.NONE, shadows = {ShadowLog.class})
public class BaseTest {

    public BaseTest() {
        ShadowLog.stream = System.out;
        Utils.init(RuntimeEnvironment.application);
    }

    @Test
    public void test() throws Exception {
    }
}