2、 What does the unittest framework do

1. Tests found ： From many py Collect and load test cases in the file

2. The test execution ： Execute the test cases in a certain order and conditions and generate results

3. Test judgment ： Judge whether the result is correct by assertion

4. Test report ： Statistical test progress 、 Passing rate 、 Generate a report .

unittest Important components

1.TestCase

2.TestSuite

3.TestFixture

4.TestLoader

5.TestRunner