Initial React Native test harness (#993).

.github/workflows/nodejs.yml

@@ -50,6 +50,29 @@ jobs:
       - run: npm run test-browser-${{ matrix.module }}
 
 
+  test-react-native:
+
+    runs-on: macos-latest
+
+    # Temporary for testing CI
+    continue-on-error: true
+
+    strategy:
+      fail-fast: false
+
+    steps:
+      - name: Use Node.js 12.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - uses: actions/checkout@v2
+
+      - run: npm ci
+      - run: npm run build-all
+      - run: npm run test-react
+
+
   coverage:
 
     name: Coverage

misc/ReactNativeTestApp/.buckconfig

@@ -0,0 +1,6 @@
+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

misc/ReactNativeTestApp/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@react-native-community',
+};

misc/ReactNativeTestApp/.flowconfig

@@ -0,0 +1,73 @@
+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore polyfills
+node_modules/react-native/Libraries/polyfills/.*
+
+; These should not be required directly
+; require from fbjs/lib instead: require('fbjs/lib/warning')
+node_modules/warning/.*
+
+; Flow doesn't support platforms
+.*/Libraries/Utilities/LoadingView.js
+
+[untyped]
+.*/node_modules/@react-native-community/cli/.*/.*
+
+[include]
+
+[libs]
+node_modules/react-native/interface.js
+node_modules/react-native/flow/
+
+[options]
+emoji=true
+
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+module.file_ext=.js
+module.file_ext=.json
+module.file_ext=.ios.js
+
+munge_underscores=true
+
+module.name_mapper='^react-native/\(.*\)$' -> '<PROJECT_ROOT>/node_modules/react-native/\1'
+module.name_mapper='^@?[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> '<PROJECT_ROOT>/node_modules/react-native/Libraries/Image/RelativeImageStub'
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native\\(_ios\\)?_\\(oss\\|fb\\)[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native\\(_ios\\)?_\\(oss\\|fb\\)[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[lints]
+sketchy-null-number=warn
+sketchy-null-mixed=warn
+sketchy-number=warn
+untyped-type-import=warn
+nonstrict-import=warn
+deprecated-type=warn
+unsafe-getters-setters=warn
+unnecessary-invariant=warn
+signature-verification-failure=warn
+deprecated-utility=error
+
+[strict]
+deprecated-type
+nonstrict-import
+sketchy-null
+unclear-type
+unsafe-getters-setters
+untyped-import
+untyped-type-import
+
+[version]
+^0.122.0

misc/ReactNativeTestApp/.gitattributes

@@ -0,0 +1 @@
+*.pbxproj -text

misc/ReactNativeTestApp/.gitignore

@@ -0,0 +1,61 @@
+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+!debug.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots
+
+# Bundle artifact
+*.jsbundle
+
+# CocoaPods
+/ios/Pods/
+
+webserver.log

misc/ReactNativeTestApp/.prettierrc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  bracketSpacing: false,
+  jsxBracketSameLine: true,
+  singleQuote: true,
+  trailingComma: 'all',
+};

misc/ReactNativeTestApp/.watchmanconfig

@@ -0,0 +1 @@
+{}

misc/ReactNativeTestApp/App.js

@@ -0,0 +1,98 @@
+/**
+ * Sample React Native App
+ * https://github.com/facebook/react-native
+ *
+ * @format
+ * @flow strict-local
+ */
+
+import React from 'react';
+import {
+  SafeAreaView,
+  StyleSheet,
+  ScrollView,
+  View,
+  Text,
+  StatusBar
+} from 'react-native';
+
+import {
+  Colors
+} from 'react-native/Libraries/NewAppScreen';
+
+
+
+// Inject the crpyot shims (BEFORE the ethers shims)
+import "./crypto-shims.js";
+
+// Inject the missing features with the ethers shims
+import "./libs/shims.js";
+
+// Import ethers
+import { ethers } from "./libs/ethers.js";
+
+// Import the test framework
+import "./libs/mocha.js";
+
+// Setup up a testing context (injects primitives like `describe` and `it`)
+mocha.setup({ ui: "bdd" });
+
+setTimeout(async function() {
+
+    // Mock location (Mocha checks this?)
+    if (window.location == null) {
+        window.location = {
+            search: ""
+        };
+    }
+
+    // Load the test cases
+    const testing = await import("./libs/tests.js");
+
+    // Serialize all writes to the logging server
+    let inflight = Promise.resolve();
+    testing.setLogFunc(function(message) {
+        console.log(message);
+        inflight = inflight.then(() => {
+            return ethers.utils._fetchData("http:/\/localhost:8042/", ethers.utils.toUtf8Bytes(message)).then((result) => {
+                return true;
+            }, (error) => {
+                return false;
+            });
+        });
+    });
+
+    mocha.reporter(testing.Reporter);
+
+    //mocha.grep(new RegExp("Test nameprep")).run()
+    mocha.run();
+}, 1000);
+
+
+const App: () => React$Node = () => {
+  return (
+    <>
+      <StatusBar barStyle="dark-content" />
+      <SafeAreaView>
+        <ScrollView
+          contentInsetAdjustmentBehavior="automatic"
+          style={styles.scrollView}>
+          <View>
+            <Text>Running Tests</Text>
+          </View>
+        </ScrollView>
+      </SafeAreaView>
+    </>
+  );
+};
+
+const styles = StyleSheet.create({
+  scrollView: {
+    backgroundColor: Colors.lighter,
+  },
+  body: {
+    backgroundColor: Colors.white,
+  },
+});
+
+export default App;

misc/ReactNativeTestApp/__tests__/App-test.js

@@ -0,0 +1,14 @@
+/**
+ * @format
+ */
+
+import 'react-native';
+import React from 'react';
+import App from '../App';
+
+// Note: test renderer must be required after react-native.
+import renderer from 'react-test-renderer';
+
+it('renders correctly', () => {
+  renderer.create(<App />);
+});

misc/ReactNativeTestApp/android/app/_BUCK

@@ -0,0 +1,55 @@
+# To learn about Buck see [Docs](https://buckbuild.com/).
+# To run your application with Buck:
+# - install Buck
+# - `npm start` - to start the packager
+# - `cd android`
+# - `keytool -genkey -v -keystore keystores/debug.keystore -storepass android -alias androiddebugkey -keypass android -dname "CN=Android Debug,O=Android,C=US"`
+# - `./gradlew :app:copyDownloadableDepsToLibs` - make all Gradle compile dependencies available to Buck
+# - `buck install -r android/app` - compile, install and run application
+#
+
+load(":build_defs.bzl", "create_aar_targets", "create_jar_targets")
+
+lib_deps = []
+
+create_aar_targets(glob(["libs/*.aar"]))
+
+create_jar_targets(glob(["libs/*.jar"]))
+
+android_library(
+    name = "all-libs",
+    exported_deps = lib_deps,
+)
+
+android_library(
+    name = "app-code",
+    srcs = glob([
+        "src/main/java/**/*.java",
+    ]),
+    deps = [
+        ":all-libs",
+        ":build_config",
+        ":res",
+    ],
+)
+
+android_build_config(
+    name = "build_config",
+    package = "com.reactnativetestapp",
+)
+
+android_resource(
+    name = "res",
+    package = "com.reactnativetestapp",
+    res = "src/main/res",
+)
+
+android_binary(
+    name = "app",
+    keystore = "//android/keystores:debug",
+    manifest = "src/main/AndroidManifest.xml",
+    package_type = "debug",
+    deps = [
+        ":app-code",
+    ],
+)