Reference article: Spring MVC full Annotation configuration-no web. xmlThe purpose of unit testing, in short, is to test all logic after we add or change some code, especially after we have modified it later (whether adding new features or modifying bugs), we can do the work of re-testing. To reduce the problem that we have solved even before the release of the issue.Spring MVC testing often seems more comp
Android unit test-JUnit and androidjunit
With the development of testing in recent years, we often see recruitment information for testing engineers. There is a unit test such a JUnit in Java
Currently, Android is mainly written in Java, so in Android development, there will also be a unit
A simple framework
JUnit is an open source testing framework developed by Erich Gamma and Kent Beck, and JBuilder integrates the framework and expands on it. The reason why JUnit is popular and respected by the vast number of developers is that it is real and powerful, and the second is because it is simple. A product or framework to be able to have vitality, it is best to have such characteristics.
Simply
1. Learn the use of the JUnit frameworkYou can learn from the following two examples.A, JUnit use Method Example 11) bring JUnit into the current project libraryCreate a new Java Project-cooljunit, open the Project Cooljunit's property page, select the Java Build Path Sub-option, click the "Add Library ..." button, and in the "Add Library" dialog box that pops u
JUnit is a regression testing framework (regression testing framework) written by Erich Gamma and Kent Beck for Java developers to write unit tests. JUnit has different techniques for using objects of different natures, such as CLASS,JSP,SERVLET,EJB. The following is an example of a class test.Test steps:1 Importing JUNIT4-related jar packages(Select Java Project, right-click---> select Properties----> Java
the Task + Taskservice.complete (Task.getname ()); - /** the * Summary: The simple unit test ends here! * * Note: The correct use of the drug annotation class $ * Problems encountered:Panax Notoginseng * caused by:java.lang.classnotfoundexception:org.junit.assume$assumptionviolatedexcept Ion - * This is usually caused by the Spring-text package conflict with the
In our daily business code are not finished, why also write test code, after the completion of the project I can not test it? looks like an increase in the amount of code, but it just helps you reduce the time of the post-test troubleshooting, each team, everyone has a bug indicator, first of all, every time you have so many bug performance is not good to see, an
, will produce dirty data, affecting the correctness of our data
Inconvenient cyclic testing, that is, if we delete a record this time, next time we can no longer carry out the JUnit test, because the record has been deleted, will be error.
If we do not use transaction rollback, we need to explicitly restore our additions and deletions to the database operation in the code, will be much more and
When Spring Test + JUnit 4 + JPA 2.0 is used for unit testing, the following requirements are met:Many test cases are created under different packages. To test the persistence feature of Jap, you need to create some object classes that can be persisted, that is, because package1.entity and package2.entity are lazy, the
but In:org.springframework.context.support.GenericAppliactionContext ............A similar problem has been found on the web, saying that it is possible to remove the static resource directory associated with the assert in the configuration file. It doesn't feel good, because it's no problem to start the project in Tomcat.Just started with JUnit, not quite familiar, and later thought that the JUnit configu
JUnit is a good set of unit testing frameworks, and Maven is a great Java Project Building and management tool that makes it easy to test your project automatically.
In general, simple Java applications don't say much, and some frameworks provide extensions to junit that make testing easier, such as spring's official spring-t
The junit4.x version needs to introduce the following jar packages:Hamcrest-core-1.3.jarJunit-4.12-beta-3.jarCreate a new Calculator class, as follows: Packagecom.pt; Public classCalculate {/*** addition *@paramD1 *@paramD2 *@return */ Public Static DoubleAddDoubleD1,DoubleD2) { returnD1 +D2; } /*** Subtraction *@paramD1 *@paramD2 *@return */ Public Static DoubleDiffDoubleD1,DoubleD2) { returnD1-D2; } /*** Multiplication *@paramD1 *@paramD2 *@return
Using the spring framework to make it easy to write code with separate tests for some code snippet code without having to run the entire environment for testing, the JUnit test is introduced to facilitate the testing of the local code block.1, first guide package, such as MAVEN project: where JUnit needs at least in the 4.12 version, or will be error 2 Create a
Examples are as follows: Packagecom.junge.demo.spring;Import Staticorg.junit.Assert.assertEquals;Importjava.util.List;Importorg.junit.Test;ImportOrg.junit.runner.RunWith;Importorg.springframework.beans.factory.annotation.Autowired;Importorg.springframework.test.context.ContextConfiguration;ImportOrg.springframework.test.context.junit4.SpringJUnit4ClassRunner;ImportCom.junge.demo.spring.service.IPerface;ImportCom.junge.demo.spring.service.ServiceConfig;/*** Unit
Junit3.8
In Junit3.8, the test case must inherit testcase use TestCase to test the class
Public void testdevide () {
int result;
Try {
result = Cal.divide (15, 4);
Assert.assertequals (3, result);
Catch (Exception e) {
E.printstacktrace ();
Assert.fail ();
}
}
Public void Testdividebyzero () {
int result = 0;
Throwable ex = null;
String msg = null;
Try {
result = Cal.divide (10, 0);
Assert.fail ("
First , advanced Fixture In the previous article we introduced two Fixture annotations, namely @Before and @After, to see if they are suitable for the following functions: one class is responsible for reading and writing large files (more than 500 megabytes), and each of his methods is manipulating the files. In other words, before invoking each method, we have to open a large file and read the contents of the file, which is definitely a time-consuming operation. If we use @Before and @After,
Background information
Recently participated in a new product research and development work. The new product is a modular development approach, with a number of functional modules, each module is a stand-alone Java project. In the product, in order to guarantee the function of each module, currently it has the corresponding JUnit test program. As product functionality gradually improved, we found that in t
, will produce dirty data, affecting the correctness of our data is not convenient cycle test, that is, if we delete a record, the next time we can not do this junit test, because the record has been deleted, will be an error. If you do not use transaction rollback, we need to explicitly restore our additions and deletions to the database operation in our code, a
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