add tests

Examples/CodePushDemoApp/CodePushDemoAppTests/DownloadProgressTests.m

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+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+#import <RCTTest/RCTTestRunner.h>
+
+#import "RCTAssert.h"
+
+#define FB_REFERENCE_IMAGE_DIR "\"$(SOURCE_ROOT)/$(PROJECT_NAME)Tests/ReferenceImages\""
+
+@interface DownloadProgressTests : XCTestCase
+
+@end
+
+@implementation DownloadProgressTests
+{
+  RCTTestRunner *_runner;
+}
+
+- (void)setUp
+{
+#if __LP64__
+  RCTAssert(false, @"Tests should be run on 32-bit device simulators (e.g. iPhone 5)");
+#endif
+  
+  NSOperatingSystemVersion version = [[NSProcessInfo processInfo] operatingSystemVersion];
+  RCTAssert(version.majorVersion == 8 || version.minorVersion == 3, @"Tests should be run on iOS 8.3, found %zd.%zd.%zd", version.majorVersion, version.minorVersion, version.patchVersion);
+  _runner = RCTInitRunnerForApp(@"CodePushDemoAppTests/DownloadProgressTests/DownloadProgressTestApp.ios", nil);
+}
+
+#pragma mark Logic Tests
+- (void)testDownloadProgress
+{
+  
+  [_runner runTest:_cmd module:@"DownloadProgressTest"];
+}
+
+@end

Examples/CodePushDemoApp/CodePushDemoAppTests/DownloadProgressTests/DownloadProgressTest.js

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+'use strict';
+
+var RCTTestModule = require('NativeModules').TestModule;
+var React = require('react-native');
+var CodePushSdk = require('react-native-code-push');
+var NativeBridge = require('react-native').NativeModules.CodePush;
+var { NativeAppEventEmitter } = require("react-native");
+
+var {
+  Text,
+  View,
+} = React;
+
+var DownloadProgressTest = React.createClass({
+  propTypes: {
+    shouldThrow: React.PropTypes.bool,
+    waitOneFrame: React.PropTypes.bool,
+  },
+
+  getInitialState() {
+    return {
+      done: false,
+    };
+  },
+
+  componentDidMount() {
+    if (this.props.waitOneFrame) {
+      requestAnimationFrame(this.runTest);
+    } else {
+      this.runTest();
+    }
+  },
+  
+  checkReceivedAndExpectedBytesEqual() {
+    if (this.state.progress.receivedBytes !== this.state.progress.totalBytes) {
+      throw new Error("Bytes do not tally: Received bytes=" + this.state.progress.receivedBytes + " Total bytes=" + this.state.progress.totalBytes);
+    }
+  },
+  
+  runTest() {
+    var downloadProgressSubscription = NativeAppEventEmitter.addListener(
+      "CodePushDownloadProgress",
+      (progress) => {
+        this.setState({
+          progress:progress,
+          done: false,
+        });
+      }
+    );
+    
+    var updates = require("./TestPackages");
+    NativeBridge.downloadUpdate(updates.smallPackage)
+      .then((smallPackage) => {
+        if (smallPackage) {
+          this.checkReceivedAndExpectedBytesEqual();
+          return NativeBridge.downloadUpdate(updates.mediumPackage);
+        } else {
+          throw new Error("Small package download failed.");
+        }
+      })
+      .then((mediumPackage) => {
+        if (mediumPackage) {
+          this.checkReceivedAndExpectedBytesEqual();
+          return NativeBridge.downloadUpdate(updates.largePackage);
+        } else {
+          throw new Error("Medium package download failed.");
+        }
+      })
+      .done((largePackage) => {
+        if (largePackage) {
+          this.checkReceivedAndExpectedBytesEqual();
+          this.setState({done: true}, RCTTestModule.markTestCompleted);
+        } else {
+          throw new Error("Large package download failed.");
+        }
+      });
+  },
+
+  render() {
+    var progressView;
+    if (this.state.progress) {
+      progressView = (
+        <Text>{this.state.progress.receivedBytes} of {this.state.progress.totalBytes} bytes received</Text>
+      );
+    } 
+    
+    return (
+      <View style={{backgroundColor: 'white', padding: 40}}>
+        <Text>
+          {this.constructor.displayName + ': '}
+          {this.state.done ? 'Done' : 'Testing...'}
+        </Text>
+        {progressView}
+      </View>
+    );
+  }
+});
+
+DownloadProgressTest.displayName = 'DownloadProgressTest';
+
+module.exports = DownloadProgressTest;

Examples/CodePushDemoApp/CodePushDemoAppTests/DownloadProgressTests/DownloadProgressTestApp.ios.js

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+'use strict';
+
+var React = require('react-native');
+
+var {
+  AppRegistry,
+  ScrollView,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} = React;
+
+var TESTS = [
+  require('./DownloadProgressTest')
+];
+
+TESTS.forEach(
+  (test) => AppRegistry.registerComponent(test.displayName, () => test)
+);
+
+var DownloadProgressTestApp = React.createClass({
+  getInitialState: function() {
+    return {
+      test: null,
+    };
+  },
+  render: function() {
+    if (this.state.test) {
+      return (
+        <ScrollView>
+          <this.state.test />
+        </ScrollView>
+      );
+    }
+    return (
+      <View style={styles.container}>
+        <Text style={styles.row}>
+          Click on a test to run it in this shell for easier debugging and
+          development.  Run all tests in the testing environment with cmd+U in
+          Xcode.
+        </Text>
+        <View style={styles.separator} />
+        <ScrollView>
+          {TESTS.map((test) => [
+            <TouchableOpacity
+              onPress={() => this.setState({test})}
+              style={styles.row}>
+              <Text style={styles.testName}>
+                {test.displayName}
+              </Text>
+            </TouchableOpacity>,
+            <View style={styles.separator} />
+          ])}
+        </ScrollView>
+      </View>
+    );
+  }
+});
+
+var styles = StyleSheet.create({
+  container: {
+    backgroundColor: 'white',
+    marginTop: 40,
+    margin: 15,
+  },
+  row: {
+    padding: 10,
+  },
+  testName: {
+    fontWeight: '500',
+  },
+  separator: {
+    height: 1,
+    backgroundColor: '#bbbbbb',
+  }
+});
+
+AppRegistry.registerComponent('DownloadProgressTestApp', () => DownloadProgressTestApp);

Examples/CodePushDemoApp/CodePushDemoAppTests/DownloadProgressTests/TestPackages.js

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+module.exports = {
+  smallPackage: {
+    downloadUrl: "http://localhost:8081/CodePushDemoAppTests/DownloadProgressTests/smallFile",
+    description: "Angry flappy birds",
+    appVersion: "1.5.0",
+    label: "2.4.0",
+    isMandatory: false,
+    isAvailable: true,
+    updateAppVersion: false,
+    packageHash: "hash240",
+    packageSize: 1024
+  },
+  mediumPackage: {
+    downloadUrl: "http://localhost:8081/CodePushDemoAppTests/DownloadProgressTests/mediumFile",
+    description: "Angry flappy birds",
+    appVersion: "1.5.0",
+    label: "2.4.0",
+    isMandatory: false,
+    isAvailable: true,
+    updateAppVersion: false,
+    packageHash: "hash240",
+    packageSize: 1024
+  },
+  largePackage: {
+    downloadUrl: "http://localhost:8081/CodePushDemoAppTests/DownloadProgressTests/largeFile",
+    description: "Angry flappy birds",
+    appVersion: "1.5.0",
+    label: "2.4.0",
+    isMandatory: false,
+    isAvailable: true,
+    updateAppVersion: false,
+    packageHash: "hash240",
+    packageSize: 1024
+  }
+};