Extract valueRegistry from TestRunner (#6317)

## Summary
Value registry is a logically separate feature, so I have decided to
move it away from testRunner code.

## Test plan

apps/common-app/src/examples/RuntimeTests/ReJest/RuntimeTestsApi.ts

@@ -8,6 +8,7 @@ import { DescribeDecorator, TestDecorator } from './types';
 export { Presets } from './Presets';
 
 const testRunner = new TestRunner();
+const valueRegistry = testRunner.getValueRegistry();
 
 type DescribeFunction = (name: string, buildSuite: BuildFunction) => void;
 type TestFunction = (name: string, buildTest: BuildFunction) => void;
@@ -126,11 +127,11 @@ export function getTrackerCallCount(name: string) {
 }
 
 export function registerValue(name: string, value: SharedValue) {
-  return testRunner.registerValue(name, value);
+  return valueRegistry.registerValue(name, value);
 }
 
 export async function getRegisteredValue(name: string) {
-  return await testRunner.getRegisteredValue(name);
+  return await valueRegistry.getRegisteredValue(name);
 }
 
 export function getTestComponent(name: string): TestComponent {

apps/common-app/src/examples/RuntimeTests/ReJest/TestRunner/TestRunner.ts

@@ -4,7 +4,6 @@ import type {
   BuildFunction,
   NullableTestValue,
   Operation,
-  SharedValueSnapshot,
   TestCase,
   TestConfiguration,
   TestSuite,
@@ -15,7 +14,6 @@ import { DescribeDecorator, TestDecorator } from '../types';
 import { TestComponent } from '../TestComponent';
 import { applyMarkdown, formatString } from '../utils/stringFormatUtils';
 import type {
-  SharedValue,
   LayoutAnimationStartFunction,
   LayoutAnimationType,
   SharedTransitionAnimationsValues,
@@ -26,6 +24,7 @@ import { assertMockedAnimationTimestamp, assertTestCase, assertTestSuite } from
 import { createUpdatesContainer } from './UpdatesContainer';
 import { makeMutable, runOnJS } from 'react-native-reanimated';
 import { RenderLock, SyncUIRunner } from '../utils/SyncUIRunner';
+import { ValueRegistry } from './ValueRegistry';
 import { TestSummaryLogger } from './TestSummaryLogger';
 export { Presets } from '../Presets';
 
@@ -48,11 +47,15 @@ export class TestRunner {
   private _currentTestSuite: TestSuite | null = null;
   private _currentTestCase: TestCase | null = null;
   private _renderHook: (component: ReactElement<Component> | null) => void = () => {};
-  private _valueRegistry: Record<string, SharedValue> = {};
   private _includesOnly: boolean = false;
   private _syncUIRunner: SyncUIRunner = new SyncUIRunner();
   private _renderLock: RenderLock = new RenderLock();
-  private _testSummary: TestSummaryLogger = new TestSummaryLogger();
+  private _valueRegistry = new ValueRegistry();
+  private _testSummary = new TestSummaryLogger();
+
+  public getValueRegistry() {
+    return this._valueRegistry;
+  }
 
   public notify(name: string) {
     'worklet';
@@ -196,27 +199,6 @@ export class TestRunner {
     }
   }
 
-  public registerValue(name: string, value: SharedValue) {
-    'worklet';
-    this._valueRegistry[name] = value;
-  }
-
-  public async getRegisteredValue(name: string): Promise<SharedValueSnapshot> {
-    const jsValue = this._valueRegistry[name].value;
-    const sharedValue = this._valueRegistry[name];
-    const valueContainer = makeMutable<unknown>(null);
-    await this._syncUIRunner.runOnUIBlocking(() => {
-      'worklet';
-      valueContainer.value = sharedValue.value;
-    }, 1000);
-    const uiValue = valueContainer.value;
-    return {
-      name,
-      onJS: jsValue as TestValue,
-      onUI: uiValue as TestValue,
-    };
-  }
-
   public getTrackerCallCount(name: string): TrackerCallCount {
     return {
       name,

apps/common-app/src/examples/RuntimeTests/ReJest/TestRunner/ValueRegistry.ts

@@ -0,0 +1,30 @@
+import { makeMutable } from 'react-native-reanimated';
+import type { SharedValue } from 'react-native-reanimated';
+import type { SharedValueSnapshot, TestValue } from '../types';
+import { SyncUIRunner } from '../utils/SyncUIRunner';
+
+export class ValueRegistry {
+  private _valueRegistry: Record<string, SharedValue> = {};
+  private _syncUIRunner = new SyncUIRunner();
+
+  public registerValue(name: string, value: SharedValue) {
+    'worklet';
+    this._valueRegistry[name] = value;
+  }
+
+  public async getRegisteredValue(name: string): Promise<SharedValueSnapshot> {
+    const jsValue = this._valueRegistry[name].value;
+    const sharedValue = this._valueRegistry[name];
+    const valueContainer = makeMutable<unknown>(null);
+    await this._syncUIRunner.runOnUIBlocking(() => {
+      'worklet';
+      valueContainer.value = sharedValue.value;
+    }, 1000);
+    const uiValue = valueContainer.value;
+    return {
+      name,
+      onJS: jsValue as TestValue,
+      onUI: uiValue as TestValue,
+    };
+  }
+}