fix(cypress): memory optimizations (#15290)

Author: v-tarasevich-blitz-brain

smoke-test/tests/cypress/cypress/plugins/index.js

@@ -20,6 +20,9 @@ module.exports = (on, config) => {
   // `on` is used to hook into various events Cypress emits
   // `config` is the resolved Cypress config
 
+  // eslint-disable-next-line global-require
+  require("./memoryUsageLogger")(on);
+
   // eslint-disable-next-line global-require
   require("cypress-timestamps/plugin")(on);
 };

smoke-test/tests/cypress/cypress/plugins/memoryUsageLogger.js

@@ -0,0 +1,36 @@
+/**
+ * @type {Cypress.PluginConfig}
+ */
+// eslint-disable-next-line no-unused-vars
+module.exports = (on, config) => {
+  // Add a task to log memory usage to the terminal
+  on("task", {
+    logMemoryUsage(browserMemoryUsage) {
+      const formatBytes = (bytes) =>
+        (bytes / 1024 / 1024 / 1024).toFixed(3) + " GB";
+
+      if (browserMemoryUsage) {
+        console.log("=== Browser Tab Memory Usage ===");
+        console.log(`Used: ${formatBytes(browserMemoryUsage.usedJSHeapSize)}`);
+        console.log(
+          `Total: ${formatBytes(browserMemoryUsage.totalJSHeapSize)}`,
+        );
+        console.log(
+          `Limit: ${formatBytes(browserMemoryUsage.jsHeapSizeLimit)}`,
+        );
+      }
+
+      const cypressMemoryUsage = process.memoryUsage();
+      console.log("=== Cypress Memory Usage ===");
+      console.log(`rss: ${formatBytes(cypressMemoryUsage.rss)}`);
+      console.log(`heapTotal: ${formatBytes(cypressMemoryUsage.heapTotal)}`);
+      console.log(`heapUsed: ${formatBytes(cypressMemoryUsage.heapUsed)}`);
+      console.log(`external: ${formatBytes(cypressMemoryUsage.external)}`);
+      console.log(
+        `arrayBuffers: ${formatBytes(cypressMemoryUsage.arrayBuffers)}`,
+      );
+
+      return null;
+    },
+  });
+};

smoke-test/tests/cypress/cypress/support/e2e.js

@@ -39,3 +39,15 @@ beforeEach(function () {
     }
   }
 });
+
+afterEach(() => {
+  cy.window().then((win) => {
+    const browserMemoryUsage = {
+      usedJSHeapSize: win.performance?.memory?.usedJSHeapSize,
+      totalJSHeapSize: win.performance?.memory?.totalJSHeapSize,
+      jsHeapSizeLimit: win.performance?.memory?.jsHeapSizeLimit,
+    };
+
+    cy.task("logMemoryUsage", browserMemoryUsage);
+  });
+});

smoke-test/tests/cypress/integration_test.py

@@ -262,8 +262,9 @@ def test_run_cypress(auth_session):
     test_spec_arg = f" --spec '{specs_str}' "
 
     print("Running Cypress tests with command")
-    node_options = "--max-old-space-size=6000"
-    command = f'NO_COLOR=1 NODE_OPTIONS="{node_options}" npx cypress run {record_arg} {test_spec_arg} {tag_arg} --config numTestsKeptInMemory=2'
+    node_options = "--max-old-space-size=500"
+    electron_args = 'ELECTRON_EXTRA_LAUNCH_ARGS="--js-flags=\'--max-old-space-size=4096 --disable-dev-shm-usage --disable-gpu --no-sandbox"'
+    command = f'{electron_args} NO_COLOR=1 NODE_OPTIONS="{node_options}" npx cypress run {record_arg} {test_spec_arg} {tag_arg} --config numTestsKeptInMemory=2'
     print(command)
     # Add --headed --spec '**/mutations/mutations.js' (change spec name)
     # in case you want to see the browser for debugging