mainPage.ts

import { Page } from "tns-core-modules/ui/page";
import * as trace from "tns-core-modules/trace";
import * as tests from "../testRunner";
import { Label } from "tns-core-modules/ui/label";
import * as application from "tns-core-modules/application";
import * as platform from "tns-core-modules/platform";

trace.enable();
trace.addCategories(trace.categories.Test + "," + trace.categories.Error);

// When debugging
// trace.setCategories(trace.categories.concat(
//    trace.categories.Test,
//    trace.categories.Navigation,
//    trace.categories.Transition,
//    trace.categories.NativeLifecycle,
//    trace.categories.ViewHierarchy,
//    trace.categories.VisualTreeEvents
// ));

let page = new Page();
page.id = "mainPage";

page.on(Page.navigatedToEvent, onNavigatedTo);

function runTests() {
    setTimeout(() => tests.runAll(''), 10);
}

function onNavigatedTo(args) {
    let label = new Label();
    label.text = "Running non-UI tests...";
    page.content = label;
    args.object.off(Page.navigatedToEvent, onNavigatedTo);

    // Request permission to write test-results.xml file for API >= 23
    // if (platform.isAndroid && parseInt(platform.device.sdkVersion) >= 23) {
    //     let handler = (args: application.AndroidActivityRequestPermissionsEventData) => {
    //         application.android.off(application.AndroidApplication.activityRequestPermissionsEvent, handler);
    //         if (args.requestCode === 1234 && args.grantResults.length > 0 && args.grantResults[0] === android.content.pm.PackageManager.PERMISSION_GRANTED) {
    //             runTests();
    //         } else {
    //             trace.write("Permission for write to external storage not granted!", trace.categories.Error, trace.messageType.error);
    //         }
    //     };

    //     application.android.on(application.AndroidApplication.activityRequestPermissionsEvent, handler);

    //     if ((<any>android.support.v4.content.ContextCompat).checkSelfPermission(application.android.currentContext, (<any>android).Manifest.permission.WRITE_EXTERNAL_STORAGE) !== android.content.pm.PackageManager.PERMISSION_GRANTED) {
    //         (<any>android.support.v4.app.ActivityCompat).requestPermissions(application.android.currentContext, [(<any>android).Manifest.permission.WRITE_EXTERNAL_STORAGE], 1234);
    //     } else {
    //         runTests();
    //     }
    // } else {
    //     runTests();
    // }

    runTests();
}

export function createPage() {
    return page;
}