Move getDebugInfo test util function to internal-test-utils (#34523)

In an upstack PR, I need `getDebugInfo` in another test file, so I'm
moving it to `internal-test-utils` so it can be shared.

packages/internal-test-utils/ReactInternalTestUtils.js

@@ -16,6 +16,7 @@ import {
   clearErrors,
   createLogAssertion,
 } from './consoleMock';
+export {getDebugInfo} from './debugInfo';
 export {act, serverAct} from './internalAct';
 const {assertConsoleLogsCleared} = require('internal-test-utils/consoleMock');
 

packages/internal-test-utils/debugInfo.js

@@ -0,0 +1,131 @@
+'use strict';
+
+const path = require('path');
+
+const repoRoot = path.resolve(__dirname, '../../');
+
+type DebugInfoConfig = {
+  ignoreProps?: boolean,
+  ignoreRscStreamInfo?: boolean,
+  useFixedTime?: boolean,
+  useV8Stack?: boolean,
+};
+
+function formatV8Stack(stack) {
+  let v8StyleStack = '';
+  if (stack) {
+    for (let i = 0; i < stack.length; i++) {
+      const [name] = stack[i];
+      if (v8StyleStack !== '') {
+        v8StyleStack += '\n';
+      }
+      v8StyleStack += '    in ' + name + ' (at **)';
+    }
+  }
+  return v8StyleStack;
+}
+
+function normalizeStack(stack) {
+  if (!stack) {
+    return stack;
+  }
+  const copy = [];
+  for (let i = 0; i < stack.length; i++) {
+    const [name, file, line, col, enclosingLine, enclosingCol] = stack[i];
+    copy.push([
+      name,
+      file.replace(repoRoot, ''),
+      line,
+      col,
+      enclosingLine,
+      enclosingCol,
+    ]);
+  }
+  return copy;
+}
+
+function normalizeIOInfo(config: DebugInfoConfig, ioInfo) {
+  const {debugTask, debugStack, debugLocation, ...copy} = ioInfo;
+  if (ioInfo.stack) {
+    copy.stack = config.useV8Stack
+      ? formatV8Stack(ioInfo.stack)
+      : normalizeStack(ioInfo.stack);
+  }
+  if (ioInfo.owner) {
+    copy.owner = normalizeDebugInfo(config, ioInfo.owner);
+  }
+  if (typeof ioInfo.start === 'number' && config.useFixedTime) {
+    copy.start = 0;
+  }
+  if (typeof ioInfo.end === 'number' && config.useFixedTime) {
+    copy.end = 0;
+  }
+  const promise = ioInfo.value;
+  if (promise) {
+    promise.then(); // init
+    if (promise.status === 'fulfilled') {
+      if (ioInfo.name === 'RSC stream') {
+        copy.byteSize = 0;
+        copy.value = {
+          value: 'stream',
+        };
+      } else {
+        copy.value = {
+          value: promise.value,
+        };
+      }
+    } else if (promise.status === 'rejected') {
+      copy.value = {
+        reason: promise.reason,
+      };
+    } else {
+      copy.value = {
+        status: promise.status,
+      };
+    }
+  }
+  return copy;
+}
+
+function normalizeDebugInfo(config: DebugInfoConfig, original) {
+  const {debugTask, debugStack, debugLocation, ...debugInfo} = original;
+  if (original.owner) {
+    debugInfo.owner = normalizeDebugInfo(config, original.owner);
+  }
+  if (original.awaited) {
+    debugInfo.awaited = normalizeIOInfo(config, original.awaited);
+  }
+  if (debugInfo.props && config.ignoreProps) {
+    debugInfo.props = {};
+  }
+  if (Array.isArray(debugInfo.stack)) {
+    debugInfo.stack = config.useV8Stack
+      ? formatV8Stack(debugInfo.stack)
+      : normalizeStack(debugInfo.stack);
+    return debugInfo;
+  } else if (typeof debugInfo.time === 'number' && config.useFixedTime) {
+    return {...debugInfo, time: 0};
+  } else {
+    return debugInfo;
+  }
+}
+
+export function getDebugInfo(config: DebugInfoConfig, obj) {
+  const debugInfo = obj._debugInfo;
+  if (debugInfo) {
+    const copy = [];
+    for (let i = 0; i < debugInfo.length; i++) {
+      if (
+        debugInfo[i].awaited &&
+        debugInfo[i].awaited.name === 'RSC stream' &&
+        config.ignoreRscStreamInfo
+      ) {
+        // Ignore RSC stream I/O info.
+      } else {
+        copy.push(normalizeDebugInfo(config, debugInfo[i]));
+      }
+    }
+    return copy;
+  }
+  return debugInfo;
+}

packages/react-client/src/__tests__/ReactFlight-test.js

@@ -33,20 +33,6 @@ function normalizeCodeLocInfo(str) {
   );
 }
 
-function formatV8Stack(stack) {
-  let v8StyleStack = '';
-  if (stack) {
-    for (let i = 0; i < stack.length; i++) {
-      const [name] = stack[i];
-      if (v8StyleStack !== '') {
-        v8StyleStack += '\n';
-      }
-      v8StyleStack += '    in ' + name + ' (at **)';
-    }
-  }
-  return v8StyleStack;
-}
-
 const repoRoot = path.resolve(__dirname, '../../../../');
 function normalizeReactCodeLocInfo(str) {
   const repoRootForRegexp = repoRoot.replace(/\//g, '\\/');
@@ -67,35 +53,6 @@ function getErrorForJestMatcher(error) {
   };
 }
 
-function normalizeComponentInfo(debugInfo) {
-  if (Array.isArray(debugInfo.stack)) {
-    const {debugTask, debugStack, debugLocation, ...copy} = debugInfo;
-    copy.stack = formatV8Stack(debugInfo.stack);
-    if (debugInfo.owner) {
-      copy.owner = normalizeComponentInfo(debugInfo.owner);
-    }
-    return copy;
-  } else {
-    return debugInfo;
-  }
-}
-
-function getDebugInfo(obj) {
-  const debugInfo = obj._debugInfo;
-  if (debugInfo) {
-    const copy = [];
-    for (let i = 0; i < debugInfo.length; i++) {
-      if (debugInfo[i].awaited && debugInfo[i].awaited.name === 'RSC stream') {
-        // Ignore RSC stream I/O info.
-      } else {
-        copy.push(normalizeComponentInfo(debugInfo[i]));
-      }
-    }
-    return copy;
-  }
-  return debugInfo;
-}
-
 const finalizationRegistries = [];
 function FinalizationRegistryMock(callback) {
   this._heldValues = [];
@@ -132,6 +89,7 @@ let NoErrorExpected;
 let Scheduler;
 let assertLog;
 let assertConsoleErrorDev;
+let getDebugInfo;
 
 describe('ReactFlight', () => {
   beforeEach(() => {
@@ -169,6 +127,11 @@ describe('ReactFlight', () => {
     assertLog = InternalTestUtils.assertLog;
     assertConsoleErrorDev = InternalTestUtils.assertConsoleErrorDev;
 
+    getDebugInfo = InternalTestUtils.getDebugInfo.bind(null, {
+      useV8Stack: true,
+      ignoreRscStreamInfo: true,
+    });
+
     ErrorBoundary = class extends React.Component {
       state = {hasError: false, error: null};
       static getDerivedStateFromError(error) {

packages/react-client/src/__tests__/ReactFlightDebugChannel-test.js

@@ -18,50 +18,12 @@ if (typeof File === 'undefined' || typeof FormData === 'undefined') {
   global.FormData = require('undici').FormData;
 }
 
-function formatV8Stack(stack) {
-  let v8StyleStack = '';
-  if (stack) {
-    for (let i = 0; i < stack.length; i++) {
-      const [name] = stack[i];
-      if (v8StyleStack !== '') {
-        v8StyleStack += '\n';
-      }
-      v8StyleStack += '    in ' + name + ' (at **)';
-    }
-  }
-  return v8StyleStack;
-}
-
-function normalizeComponentInfo(debugInfo) {
-  if (Array.isArray(debugInfo.stack)) {
-    const {debugTask, debugStack, ...copy} = debugInfo;
-    copy.stack = formatV8Stack(debugInfo.stack);
-    if (debugInfo.owner) {
-      copy.owner = normalizeComponentInfo(debugInfo.owner);
-    }
-    return copy;
-  } else {
-    return debugInfo;
-  }
-}
-
-function getDebugInfo(obj) {
-  const debugInfo = obj._debugInfo;
-  if (debugInfo) {
-    const copy = [];
-    for (let i = 0; i < debugInfo.length; i++) {
-      copy.push(normalizeComponentInfo(debugInfo[i]));
-    }
-    return copy;
-  }
-  return debugInfo;
-}
-
 let act;
 let React;
 let ReactNoop;
 let ReactNoopFlightServer;
 let ReactNoopFlightClient;
+let getDebugInfo;
 
 describe('ReactFlight', () => {
   beforeEach(() => {
@@ -91,6 +53,11 @@ describe('ReactFlight', () => {
     ReactNoop = require('react-noop-renderer');
     ReactNoopFlightClient = require('react-noop-renderer/flight-client');
     act = require('internal-test-utils').act;
+
+    getDebugInfo = require('internal-test-utils').getDebugInfo.bind(null, {
+      useV8Stack: true,
+      ignoreRscStreamInfo: true,
+    });
   });
 
   afterEach(() => {