Add more test cases

Author: LinuxSuRen

Jenkinsfile-junit-k8s

@@ -13,7 +13,8 @@ pipeline {
       steps{
         script{
           container('java'){
-            sh 'mvn clean package test'
+            sh 'mvn test -DSERVER_PORT=1234'
+            //sh 'mvn test -DSERVER_PORT=2345'
           }
         }
       }

pom.xml

@@ -15,10 +15,24 @@
                     <useSystemClassLoader>false</useSystemClassLoader>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 
     <dependencies>
+        <dependency>
+            <groupId>org.freemarker</groupId>
+            <artifactId>freemarker</artifactId>
+            <version>2.3.20</version>
+        </dependency>
+
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

src/main/java/hello/GenerateTestCases.java

@@ -0,0 +1,36 @@
+package hello;
+
+import freemarker.template.Configuration;
+import freemarker.template.Template;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStreamWriter;
+
+/**
+ * Generate test cases by freemarker.
+ */
+public class GenerateTestCases {
+    private Configuration config = new Configuration();
+
+    public static void main(String[] args) throws Exception {
+        GenerateTestCases generator = new GenerateTestCases();
+
+        generator.generate("UserSystemTest.java");
+        generator.generate("AccountSystemTest.java");
+        generator.generate("WithExceptionTest.java");
+    }
+
+    private void generate(final String fileName) throws Exception {
+        config.setClassForTemplateLoading(GenerateTestCases.class,"/");
+
+        try (OutputStreamWriter writer =
+                     new OutputStreamWriter(new FileOutputStream(new File("target", fileName)))){
+            Template template = config.getTemplate(fileName, "UTF-8");
+            template.setEncoding("UTF-8");
+            template.process(null, writer);
+        }
+    }
+}
+
+

src/main/java/hello/Test.java

@@ -0,0 +1,20 @@
+package test;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * This class is only for the test purpose.
+ */
+public class AccountSystemTest {
+    private final String EXPECT_IP = "0.0.0.0";
+    private final String SERVER_IP = System.getProperty("SERVER_IP", EXPECT_IP);
+
+<#list 1..62 as i>
+    @Test
+    public void name_${i}() {
+        assertEquals(EXPECT_IP, SERVER_IP);
+    }
+</#list>
+}

src/main/resources/AccountSystemTest.java

@@ -0,0 +1,27 @@
+package test;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * This class is only for the test purpose.
+ */
+public class UserSystemTest {
+    private final String EXPECT_PORT = "1234";
+    private final String SERVER_PORT = System.getProperty("SERVER_PORT", EXPECT_PORT);
+
+<#list 1..62 as i>
+    @Test
+    public void name_${i}() {
+        assertEquals(EXPECT_PORT, SERVER_PORT);
+    }
+</#list>
+
+<#list 1..62 as i>
+    @Test
+    @Ignore
+    public void skip_${i}() {}
+</#list>
+}

src/main/resources/UserSystemTest.java

@@ -0,0 +1,20 @@
+package test;
+
+import org.junit.Test;
+
+/**
+ * This class is only for the test purpose.
+ */
+public class WithExceptionTest {
+    private final String EXPECT_EXCEPTION = "false";
+    private final String TEST_EXCEPTION = System.getProperty("TEST_EXCEPTION", EXPECT_EXCEPTION);
+
+<#list 1..62 as i>
+    @Test
+    public void name_${i}() throws Exception {
+        if (!TEST_EXCEPTION.equals(EXPECT_EXCEPTION)) {
+            throw new Exception();
+        }
+    }
+</#list>
+}