From a4563a85ce107d4412c188be025aba1ce5f92c0a Mon Sep 17 00:00:00 2001
From: Dmitry Gozman <dgozman@gmail.com>
Date: Wed, 2 Sep 2020 10:20:52 -0700
Subject: [PATCH] fix(snapshot): remove integrity checksum for css (#3729)

Otherwise we cannot override css with cssom changes.
---
 src/server/snapshotterInjected.ts |  2 ++
 utils/showTestTraces.js           | 23 ++++++++++++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/server/snapshotterInjected.ts b/src/server/snapshotterInjected.ts
index bca9703f76..fd059aa971 100644
--- a/src/server/snapshotterInjected.ts
+++ b/src/server/snapshotterInjected.ts
@@ -168,6 +168,8 @@ export function takeSnapshotInFrame(guid: string, removeNoScript: boolean): Snap
           continue;
         if (name === 'checked' || name === 'disabled' || name === 'checked')
           continue;
+        if (nodeName === 'LINK' && name === 'integrity')
+          continue;
         if (name === 'src' && (nodeName === 'IFRAME' || nodeName === 'FRAME')) {
           // TODO: handle srcdoc?
           let protocol = win.location.protocol;
diff --git a/utils/showTestTraces.js b/utils/showTestTraces.js
index 5acd9a16ef..83607a9f1a 100644
--- a/utils/showTestTraces.js
+++ b/utils/showTestTraces.js
@@ -19,9 +19,26 @@ const fs = require('fs');
 const playwright = require('..');
 const { showTraceViewer } = require('../lib/trace/traceViewer');
 
-const testResultsDir = process.argv[2] || path.join(__dirname, '..', 'test-results');
-const files = collectFiles(testResultsDir, '');
-const traceStorageDir = path.join(testResultsDir, 'trace-storage');
+if (process.argv.includes('--help')) {
+  console.log(`Usage:`);
+  console.log(`  - npm run show-trace`);
+  console.log(`      Show traces from the last test run.`);
+  console.log(`  - npm run show-trace <test-results-directory>`);
+  console.log(`      Show traces from the downloaded test results.`);
+  console.log(`  - npm run show-trace <trace-file> <trace-storage-directory>`);
+  console.log(`      Show single trace file from the manual run.`);
+  process.exit(0);
+}
+
+let traceStorageDir, files;
+if (process.argv[3]) {
+  files = [process.argv[2]];
+  traceStorageDir = process.argv[3];
+} else {
+  const testResultsDir = process.argv[2] || path.join(__dirname, '..', 'test-results');
+  files = collectFiles(testResultsDir, '');
+  traceStorageDir = path.join(testResultsDir, 'trace-storage');
+}
 console.log(`Found ${files.length} trace files`);
 showTraceViewer(playwright, traceStorageDir, files);