fixed empty body error with Wait For Response (MarketSquare#2971)

Signed-off-by: René <[email protected]>

Author: Snooz82

atest/test/02_Content_Keywords/tab.robot

@@ -27,7 +27,7 @@ Tab Button With Options
 
 Tab Button With Modifiers
     [Setup]    Open Page With Touch Enabled
-    Tap    \#clickWithOptions   Shift    Alt
+    Tap    \#clickWithOptions    Shift    Alt
     Get Text    text=Please input your user name and password and click the login button.
 
 *** Keywords ***

atest/test/03_Waiting/wait_for_http.robot

@@ -56,6 +56,17 @@ Wait For Response Async
     Click    \#delayed_request
     ${body} =    Wait For    ${promise}
 
+Wait For Response With OPTIONS Request
+    Go To    ${ROOT_URL}
+    ${prom} =    Promise To    Wait For Response    /.*options/    # ΔT: 0.028s
+    ${res} =    Evaluate JavaScript
+    ...    ${None}
+    ...    () => fetch('api/options', {method: 'OPTIONS'}).then(resp => resp.status)
+    ${res2} =    Wait For    ${prom}
+    Should Be Equal As Numbers    ${res}    204
+    Should Be Equal As Numbers    ${res2.status}    204
+    Should Be Equal    ${res2.body}    ${None}
+
 Wait Until Network Is Idle Works
     [Tags]    slow
     Go To    ${ROOT_URL}delayed-load.html

node/dynamic-test-app/src/server.ts

@@ -21,6 +21,13 @@ app.get('/api/get/json', (req, res) => {
     res.send(JSON.stringify({ greeting: 'HELLO' }));
 });
 
+app.options('/api/options', (req, res) => {
+    res.header('Access-Control-Allow-Origin', '*');
+    res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+    res.status(204);
+    res.send();
+});
+
 app.get('/api/get/text', (req, res) => {
     res.send('HELLO');
 });

node/playwright-wrapper/network.ts

@@ -71,10 +71,14 @@ export async function waitForResponse(request: pb.Request.HttpCapture, page: Pag
     const urlOrPredicate = deserializeUrlOrPredicate(request.getUrlorpredicate());
     const timeout = request.getTimeout();
     const data = await page.waitForResponse(urlOrPredicate, { timeout });
+    let body = null;
+    try {
+        body = await data.text();
+    } catch (e) {}
     return jsonResponse(
         JSON.stringify({
             status: data.status(),
-            body: await data.text(),
+            body: body,
             headers: JSON.stringify(data.headers()),
             statusText: data.statusText(),
             url: data.url(),