Fix text/plain response handling and improve code quality and code maintainability

Author: KariHall619

console/atest-ui/src/views/TestCase.vue

@@ -112,7 +112,17 @@ const parseResponseBody = (body: any) => {
   }
 }
 
-const handleTestResult = (e: any) => {
+/**
+ * Handles test result data from API response
+ *
+ * Processes the test response with proper error handling and content type detection:
+ * - For JSON responses: Parses and makes it available for filtering/display
+ * - For plain text responses: Displays as raw text without JSON parsing
+ * - For file responses: Handles as downloadable content
+ *
+ * @param e The test result data from API
+ */
+const handleTestResult = (e: any): void => {
   testResult.value = e;
 
   if (!isHistoryTestCase.value) {
@@ -125,10 +135,12 @@ const handleTestResult = (e: any) => {
   } else if(e.body !== ''){
     testResult.value.bodyLength = e.body.length
     try {
+      // Try to parse as JSON, fallback to plain text if parsing fails
       testResult.value.bodyObject = JSON.parse(e.body);
       testResult.value.originBodyObject = JSON.parse(e.body);
       responseBodyFilter()
     } catch (error) {
+      // JSON parsing failed, display as plain text
       testResult.value.bodyText = e.body;
       testResult.value.bodyObject = null;
       testResult.value.originBodyObject = null;

console/atest-ui/src/views/net.ts

@@ -15,7 +15,17 @@ limitations under the License.
 */
 import { Cache } from './cache'
 
-async function DefaultResponseProcess(response: any) {
+/**
+ * Process HTTP response with proper content type handling
+ * 
+ * This function handles both JSON and non-JSON responses:
+ * 1. For JSON responses, parses and returns the JSON object
+ * 2. For non-JSON responses (like text/plain), returns the raw text
+ * 
+ * @param response The fetch API response object
+ * @returns Parsed JSON object or raw text content
+ */
+async function DefaultResponseProcess(response: any): Promise<any> {
     if (!response.ok) {
         switch (response.status) {
             case 401:
@@ -31,14 +41,14 @@ async function DefaultResponseProcess(response: any) {
         }
     }
 
-    // 先获取响应文本
+    // Get the complete response text first
     const responseText = await response.text();
 
-    // 尝试解析为JSON，如果失败则直接返回原始文本
+    // Try parsing as JSON, fallback to raw text if failed
     try {
         return JSON.parse(responseText);
     } catch (e) {
-        // 不是有效的JSON，直接返回原始文本
+        // Not valid JSON, return the raw text directly
         return responseText;
     }
 }