test: add basic test app

Author: dbanck

tests/.babelrc

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+{
+  "presets": ["module:metro-react-native-babel-preset"]
+}

tests/.buckconfig

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+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

tests/.flowconfig

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+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore unexpected extra "@providesModule"
+.*/node_modules/.*/node_modules/fbjs/.*
+
+; Ignore duplicate module providers
+; For RN Apps installed via npm, "Libraries" folder is inside
+; "node_modules/react-native" but in the source repo it is in the root
+.*/Libraries/react-native/React.js
+
+; Ignore polyfills
+.*/Libraries/polyfills/.*
+
+; Ignore metro
+.*/node_modules/metro/.*
+
+[include]
+
+[libs]
+node_modules/react-native/Libraries/react-native/react-native-interface.js
+node_modules/react-native/flow/
+node_modules/react-native/flow-github/
+
+[options]
+emoji=true
+
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+module.system=haste
+module.system.haste.use_name_reducers=true
+# get basename
+module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
+# strip .js or .js.flow suffix
+module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
+# strip .ios suffix
+module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
+module.system.haste.paths.blacklist=.*/__tests__/.*
+module.system.haste.paths.blacklist=.*/__mocks__/.*
+module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
+module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
+
+munge_underscores=true
+
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
+
+module.file_ext=.js
+module.file_ext=.jsx
+module.file_ext=.json
+module.file_ext=.native.js
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[version]
+^0.78.0

tests/.gitattributes

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+*.pbxproj -text

tests/.gitignore

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+# 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
+project.xcworkspace
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.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

tests/.watchmanconfig

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+{}

tests/App.js

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+import React, { Component } from "react";
+import { ScrollView } from "react-native";
+import SensorView from "./SensorView";
+
+const axis = ["x", "y", "z"];
+
+const availableSensors = {
+  accelerometer: axis,
+  gyroscope: axis,
+  magnetometer: axis,
+  barometer: ["pressure"]
+};
+const viewComponents = Object.entries(availableSensors).map(([name, values]) =>
+  SensorView(name, values)
+);
+
+export default class App extends Component {
+  render() {
+    return (
+      <ScrollView testID="scroller">
+        {viewComponents.map((Comp, index) => <Comp key={index} />)}
+      </ScrollView>
+    );
+  }
+}

tests/SensorView.js

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+import React, { Component } from "react";
+import { StyleSheet, Text, View } from "react-native";
+import * as Sensors from "react-native-sensors";
+
+const Value = ({ name, value }) => (
+  <View style={styles.valueContainer}>
+    <Text style={styles.valueName}>{name}:</Text>
+    <Text style={styles.valueValue}>{new String(value).substr(0, 8)}</Text>
+  </View>
+);
+
+export default function(sensorName, values) {
+  const sensor$ = Sensors[sensorName];
+
+  return class SensorView extends Component {
+    constructor(props) {
+      super(props);
+
+      const initialValue = values.reduce(
+        (carry, val) => ({ ...carry, [val]: 0 }),
+        {}
+      );
+      this.state = initialValue;
+    }
+
+    componentWillMount() {
+      const subscription = sensor$.subscribe(values => {
+        this.setState({ ...values });
+      });
+      this.setState({ subscription });
+    }
+
+    componentWillUnmount() {
+      this.state.subscription.unsubscribe();
+      this.setState({ subscription: null });
+    }
+
+    render() {
+      return (
+        <View style={styles.container}>
+          <Text style={styles.headline}>{sensorName} values</Text>
+          {values.map(valueName => (
+            <Value
+              key={sensorName + valueName}
+              name={valueName}
+              value={this.state[valueName]}
+            />
+          ))}
+        </View>
+      );
+    }
+  };
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: "center",
+    alignItems: "center",
+    backgroundColor: "#F5FCFF",
+    marginVertical: 25
+  },
+  headline: {
+    fontSize: 30,
+    textAlign: "left",
+    margin: 10
+  },
+  valueContainer: {
+    flexDirection: "row",
+    flexWrap: "wrap"
+  },
+  valueValue: {
+    width: 200,
+    fontSize: 20
+  },
+  valueName: {
+    width: 50,
+    fontSize: 20,
+    fontWeight: "bold"
+  },
+  instructions: {
+    textAlign: "center",
+    color: "#333333",
+    marginBottom: 5
+  }
+});

tests/android/app/BUCK

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+# 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
+#
+
+lib_deps = []
+
+for jarfile in glob(['libs/*.jar']):
+  name = 'jars__' + jarfile[jarfile.rindex('/') + 1: jarfile.rindex('.jar')]
+  lib_deps.append(':' + name)
+  prebuilt_jar(
+    name = name,
+    binary_jar = jarfile,
+  )
+
+for aarfile in glob(['libs/*.aar']):
+  name = 'aars__' + aarfile[aarfile.rindex('/') + 1: aarfile.rindex('.aar')]
+  lib_deps.append(':' + name)
+  android_prebuilt_aar(
+    name = name,
+    aar = aarfile,
+  )
+
+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.tests",
+)
+
+android_resource(
+    name = "res",
+    package = "com.tests",
+    res = "src/main/res",
+)
+
+android_binary(
+    name = "app",
+    keystore = "//android/keystores:debug",
+    manifest = "src/main/AndroidManifest.xml",
+    package_type = "debug",
+    deps = [
+        ":app-code",
+    ],
+)