Add filter console test util (#9607)

test/test-utils/console.ts

@@ -0,0 +1,51 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+type FilteredConsole = Pick<Console, "log" | "error" | "info" | "debug" | "warn">;
+
+const originalFunctions: FilteredConsole = {
+    log: console.log,
+    error: console.error,
+    info: console.info,
+    debug: console.debug,
+    warn: console.warn,
+};
+
+/**
+ * Allows to filter out specific messages in console.*.
+ *
+ * @param ignoreList Messages to be filtered
+ * @returns function to restore the console
+ */
+export const filterConsole = (...ignoreList: string[]): () => void => {
+    for (const [key, originalFunction] of Object.entries(originalFunctions)) {
+        window.console[key as keyof FilteredConsole] = (...data: any[]) => {
+            const message = data?.[0]?.message || data?.[0];
+
+            if (typeof message === "string" && ignoreList.some(i => message.includes(i))) {
+                return;
+            }
+
+            originalFunction(data);
+        };
+    }
+
+    return () => {
+        for (const [key, originalFunction] of Object.entries(originalFunctions)) {
+            window.console[key as keyof FilteredConsole] = originalFunction;
+        }
+    };
+};

test/test-utils/index.ts

@@ -26,3 +26,4 @@ export * from './wrappers';
 export * from './utilities';
 export * from './date';
 export * from './relations';
+export * from './console';