The technical principles of the ‘Allure Java Annotations’ framework in the java class library

Allure Java Annotations is a Java class library for generating beautiful and interactive test reports.Its technical principle is to mark test cases by using annotations to collect and generate reports during test runtime. Allure Java Annotations provides a series of annotations that can be used to mark different stages of test cases, such as preparing data before testing, recording logs during test execution, etc.By using these annotations, the key information of the test case can be synchronized with the report generator. Here are some commonly used Allure Java Annotations annotations and how to use: 1. `@test` Note: Used to mark a test case method.You can add an optional parameter to this annotation `description to describe the purpose or expected result of the test. @Teest (description = "Testing and Method function") public void testAddition() { int result = Calculator.add(2, 3); Assert.assertEquals(result, 5); } 2. `` `` `` `` `` `` `@”@Afterclass `Note: It is used to mark a method that executes before and after all tests. @BeforeClass public static void setup() { // Prepare operations before all test cases execute } @AfterClass public static void cleanup() { // The cleanup operation of all test cases } 3. `@Attachment` Note: The attachments used to mark the storage in the report.You can add an optional parameter `value` to specify the name of the attachment. @Attachment (Value = "page screenshot", type = "image/png") public byte[] takeScreenshot() { // Take the screenshot of the screen on the current page and return its byte array } When testing, Allure Java Annotations will analyze these annotations and collect the corresponding information and results.The collected information will be used to generate beautiful and detailed test reports, including the execution results, logs, attachments of test cases, etc.The final report can be presented in HTML format and provides interactive viewing and navigation functions. In summary, Allure Java Annotations uses key information of testing the test case and then collects these information during the test execution process to eventually generate a beautiful and interactive test report.Such a design makes the test report more readable and maintenance, which is convenient for developers and testers to analyze and debug test results. The above is a brief description of the technical principles of Allure Java Annotation's framework. By using this class library, developers can more conveniently generate beautiful and detailed test reports to improve the degree of visibility and readability of test cases.