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node_modules/react-native/ReactCommon/jsinspector-modern/tests/utils/InspectorFlagOverridesGuard.cpp

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include "InspectorFlagOverridesGuard.h"
+
+#include <jsinspector-modern/InspectorFlags.h>
+#include <react/featureflags/ReactNativeFeatureFlags.h>
+#include <react/featureflags/ReactNativeFeatureFlagsDefaults.h>
+
+#include <memory>
+
+namespace facebook::react::jsinspector_modern {
+
+/**
+ * Helper class that maps \c InspectorFlagOverrides to the shape of \c
+ * ReactNativeFeatureFlagsDefaults.
+ */
+class ReactNativeFeatureFlagsOverrides
+    : public ReactNativeFeatureFlagsDefaults {
+ public:
+  explicit ReactNativeFeatureFlagsOverrides(
+      const InspectorFlagOverrides& overrides)
+      : overrides_(overrides) {}
+
+  bool fuseboxEnabledRelease() override {
+    return overrides_.fuseboxEnabledRelease.value_or(
+        ReactNativeFeatureFlagsDefaults::fuseboxEnabledRelease());
+  }
+
+  bool fuseboxNetworkInspectionEnabled() override {
+    return overrides_.networkInspectionEnabled.value_or(
+        ReactNativeFeatureFlagsDefaults::fuseboxNetworkInspectionEnabled());
+  }
+
+  bool enableBridgelessArchitecture() override {
+    // NOTE: Network support is gated by (enableBridgelessArchitecture &&
+    // fuseboxNetworkInspectionEnabled).
+    return overrides_.networkInspectionEnabled.value_or(
+        ReactNativeFeatureFlagsDefaults::enableBridgelessArchitecture());
+  }
+
+  bool enableNetworkEventReporting() override {
+    return overrides_.enableNetworkEventReporting.value_or(
+        ReactNativeFeatureFlagsDefaults::enableNetworkEventReporting());
+  }
+
+ private:
+  InspectorFlagOverrides overrides_;
+};
+
+InspectorFlagOverridesGuard::InspectorFlagOverridesGuard(
+    const InspectorFlagOverrides& overrides) {
+  InspectorFlags::getInstance().dangerouslyResetFlags();
+  ReactNativeFeatureFlags::override(
+      std::make_unique<ReactNativeFeatureFlagsOverrides>(overrides));
+}
+
+InspectorFlagOverridesGuard::~InspectorFlagOverridesGuard() {
+  ReactNativeFeatureFlags::dangerouslyReset();
+}
+
+} // namespace facebook::react::jsinspector_modern

node_modules/react-native/ReactCommon/jsinspector-modern/tests/utils/InspectorFlagOverridesGuard.h

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <react/featureflags/ReactNativeFeatureFlagsDefaults.h>
+
+#include <optional>
+
+namespace facebook::react::jsinspector_modern {
+
+/**
+ * Overridden \c InspectorFlags values for use in tests.
+ */
+struct InspectorFlagOverrides {
+  // NOTE: Keep these entries in sync with ReactNativeFeatureFlagsOverrides in
+  // the implementation file.
+  std::optional<bool> fuseboxEnabledRelease;
+  std::optional<bool> networkInspectionEnabled;
+  std::optional<bool> enableNetworkEventReporting;
+};
+
+/**
+ * A RAII helper to set up and tear down \c InspectorFlags (via \c
+ * ReactNativeFeatureFlags) with overrides for the lifetime of a test object.
+ */
+class InspectorFlagOverridesGuard {
+ public:
+  explicit InspectorFlagOverridesGuard(const InspectorFlagOverrides &overrides);
+  InspectorFlagOverridesGuard(const InspectorFlagOverridesGuard &) = delete;
+  InspectorFlagOverridesGuard(InspectorFlagOverridesGuard &&) = default;
+  InspectorFlagOverridesGuard &operator=(const InspectorFlagOverridesGuard &) = delete;
+  InspectorFlagOverridesGuard &operator=(InspectorFlagOverridesGuard &&) = default;
+
+  ~InspectorFlagOverridesGuard();
+};
+
+} // namespace facebook::react::jsinspector_modern