return registeredIDs.reduce((tree, id) => { var ownerID = ReactComponentTreeHook.getOwnerID(id); var parentID = ReactComponentTreeHook.getParentID(id); tree[id] = { displayName: ReactComponentTreeHook.getDisplayName(id), text: ReactComponentTreeHook.getText(id), updateCount: ReactComponentTreeHook.getUpdateCount(id), childIDs: ReactComponentTreeHook.getChildIDs(id), // Text nodes don't have owners but this is close enough. ownerID: ownerID || ReactComponentTreeHook.getOwnerID(parentID), parentID, }; return tree; }, {});
function expectTree(rootID, expectedTree, parentPath) { var displayName = ReactComponentTreeHook.getDisplayName(rootID); var ownerID = ReactComponentTreeHook.getOwnerID(rootID); var parentID = ReactComponentTreeHook.getParentID(rootID); var childIDs = ReactComponentTreeHook.getChildIDs(rootID); var text = ReactComponentTreeHook.getText(rootID); var element = ReactComponentTreeHook.getElement(rootID); var path = parentPath ? `${parentPath} > ${displayName}` : displayName; function expectEqual(actual, expected, name) { // Get Jasmine to print descriptive error messages. // We pass path so that we know where the mismatch occurred. expectDev({ path, [name]: actual, }).toEqual({ path, [name]: expected, }); } if (expectedTree.parentDisplayName !== undefined) { expectEqual( ReactComponentTreeHook.getDisplayName(parentID), expectedTree.parentDisplayName, 'parentDisplayName', ); } if (expectedTree.ownerDisplayName !== undefined) { expectEqual( ReactComponentTreeHook.getDisplayName(ownerID), expectedTree.ownerDisplayName, 'ownerDisplayName', ); } if (expectedTree.parentID !== undefined) { expectEqual(parentID, expectedTree.parentID, 'parentID'); } if (expectedTree.text !== undefined) { expectEqual(text, expectedTree.text, 'text'); expectEqual('' + element, expectedTree.text, 'element.toString()'); } else { expectEqual(text, null, 'text'); } if (expectedTree.element !== undefined) { // TODO: Comparing elements makes tests run out of memory on errors. // For now, compare just types. expectEqual( element && element.type, expectedTree.element && expectedTree.element.type, 'element.type', ); } else if (text == null) { expectEqual(typeof element, 'object', 'typeof element'); } if (expectedTree.children !== undefined) { expectEqual( childIDs.length, expectedTree.children.length, 'children.length', ); for (var i = 0; i < childIDs.length; i++) { expectTree( childIDs[i], {parentID: rootID, ...expectedTree.children[i]}, path, ); } } else { expectEqual(childIDs, [], 'childIDs'); } }