Add support for testing with react@17

.circleci/config.yml

@@ -30,6 +30,7 @@ jobs:
           key: dependencies-{{ checksum "yarn.lock" }}
           paths:
             - ~/.cache/yarn
+      - run: yarn setup:react:17
       - persist_to_workspace:
           root: .
           paths:
@@ -49,6 +50,13 @@ jobs:
           at: ~/react-native-testing-library
       - run: |
           yarn flow
+  test:react:17:
+    <<: *defaults
+    steps:
+      - attach_workspace:
+          at: ~/react-native-testing-library
+      - run: |
+          yarn test:react:17
   tests:
     <<: *defaults
     steps:
@@ -91,6 +99,9 @@ workflows:
       - tests:
           requires:
             - install-dependencies
+      - test:react:17:
+          requires:
+            - install-dependencies
       - test-website:
           requires:
             - install-dependencies

package.json

@@ -82,7 +82,9 @@
     "build:ts": "tsc --build tsconfig.release.json",
     "build:ts:watch": "yarn build:ts --watch --preserveWatchOutput",
     "build": "yarn clean && yarn build:js && yarn build:ts && yarn copy-flowtypes",
-    "prepare": "yarn build"
+    "prepare": "yarn build",
+    "setup:react:17": "del react-17-tests/src react-17-tests/jest-preset  && cp -R src jestSetup.js jest-preset babel.config.js react-17-tests/ && cd react-17-tests && yarn",
+    "test:react:17": "cd react-17-tests && yarn test"
   },
   "jest": {
     "preset": "./jest-preset",
@@ -91,7 +93,8 @@
     ],
     "testPathIgnorePatterns": [
       "timerUtils",
-      "examples/"
+      "examples/",
+      "react-17-tests"
     ],
     "testTimeout": 60000,
     "transformIgnorePatterns": [

react-17-tests/.gitignore

@@ -0,0 +1,4 @@
+src
+jest-preset
+jestSetup.js
+babel.config.js

react-17-tests/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "react-17-tests",
+  "description": "Execute test suite with react@17",
+  "version": "0.0.1",
+  "private": true,
+  "devDependencies": {
+    "@babel/cli": "^7.8.4",
+    "@babel/core": "^7.9.0",
+    "@babel/plugin-proposal-class-properties": "^7.8.3",
+    "@babel/plugin-transform-flow-strip-types": "^7.18.0",
+    "@babel/preset-env": "^7.9.6",
+    "@babel/preset-flow": "^7.9.0",
+    "@babel/preset-react": "^7.9.4",
+    "@babel/preset-typescript": "^7.16.0",
+    "@types/react-native": "~0.68.1",
+    "@types/react-test-renderer": "~17.0.2",
+    "@types/react": "~17.0.2",
+    "babel-jest": "^29.0.2",
+    "jest": "^29.0.2",
+    "react-native": "0.68.1",
+    "react-test-renderer": "~17.0.2",
+    "react": "17.0.2"
+  },
+  "scripts": {
+    "test": "jest"
+  },
+  "jest": {
+    "preset": "./jest-preset",
+    "setupFiles": [
+      "./jestSetup.js"
+    ],
+    "testPathIgnorePatterns": [
+      "timerUtils"
+    ],
+    "testTimeout": 60000,
+    "transformIgnorePatterns": [
+      "/node_modules/(?!(@react-native|react-native)/).*/"
+    ]
+  }
+}