Hi All,
1) Could you please let us know, how to add exclusions like Add below as
Exclusions:-
**/R.class,**/R$*.class,**/BuildConfig.*,**/Manifest*.*,**/*Fragment*.*,**/*Activity$*.*
in the java class .
2) I had hot coded the device path say /mnt/sdcard/ in the jacoco source
code and rebuild the jar and used it as jacoco default takes path as / to
store jacoco.exec.
How to pass the path as argument to android ?
Thanks
Mohan
On Fri, Dec 18, 2015 at 12:16 AM, <abhigupta2...@gmail.com> wrote:
> You can achieve code coverage of android apk using gradle and jacoco, by
> following below steps.
>
> 1.Configuring JaCoCo plugin in build.gradle (present inside 'app' folder )
> as below
> apply plugin: 'jacoco'
> jacoco {
> toolVersion = "0.7.4+"
> }
> 2. Enable Jacoco code coverage on the debug build in build.gradle
> (present inside 'app' folder ) at 'buildTypes' as below
>
> debug {
> testCoverageEnabled true
> }
> 3. Add below line in your 'app/src/main/AndroidManifest.xml ' to access
> sdcard for writting coverage data
> <uses-permission
> android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
> 4. Add below lines in 'MainActivity.java' at end
> protected void onStop()
> {
> super.onStop();
> if(BuildConfig.DEBUG)
> {
> try {
> Class<?> emmaRTClass =
> Class.forName("com.vladium.emma.rt.RT");
> Method dumpCoverageMethod =
> emmaRTClass.getMethod("dumpCoverageData",coverageFile.getClass(),
> boolean.class, boolean.class);
> dumpCoverageMethod.invoke(null,
> "/sdcard/coverage.exec", ture, false);
> } catch (Exception e) {}
> }
> }
> 5.Build debug apk.
> 6..Install this apk in your device , and to do the test.
> 7.After testing kill your app.
> 8.Connect device with computer, run below command to get coverage data
> file from device
> 'adb pull /sdcard/coverage.exec'
> 9.Genrate coverage report using ant(with jacoco task) or jenkings (jacoco
> plugin) by using following:-
> Copy classes from "D:\coverage\app\build\intermediates\classes\debug"
> Copy source from "D:\coverage\app\\src\main\java"
> Copy exec file from "D:\coverage\mycoverage.exec"
> Add below as Exclusions:-
>
> **/R.class,**/R$*.class,**/BuildConfig.*,**/Manifest*.*,**/*Fragment*.*,**/*Activity$*.*
>
>
> Thanks
> Abhishek Gupta
>
>
> On Saturday, 17 October 2015 10:11:14 UTC+5:30, vishy wrote:
> > Hi guys,
> >
> > I am investigating code-coverage for our Android app. built with Gradle
> and Android Studio.
> >
> > I need code-coverage reports in two situations: during manual tests, and
> during automated tests built with our Appium suite.
> >
> > I need to get a proof-of-concept that JaCoCo can indeed do code coverage
> in this case.
> >
> > Given that we need coverage for Appium and manual tests, I believe
> offline-instrumentation with JaCoCo is what I need.
> >
> > I have succeeded in creating an instrumented APK.
> > But when I run the app manually, I keep seeing errors in the logcat
> W/System.err: java.io.FileNotFoundException: /jacoco.exec: open failed:
> EROFS (Read-only file system)
> >
> > From JaCoCo docs as well as general Googling, I understand that Jacoco
> needs to know where to store the jacoco.exec file - and that I need to
> package a jacoco-agent.properties (containing a destfile property) with the
> APK.
> >
> > I have tried putting jacoco-agent.properties in the "assets" folder of
> my app - it was packaged into the APK properly, but did not seem to have
> any effect (i.e Jacoco failed as usual) I tried putting it inside res - it
> did not get packaged into the APK. I tried res/raw and hit the error about
> a dash in the filename.
> >
> > I am at my wit's end, and would really appreciate help. How do I package
> jacoco-agent.properties using my Gradle build into the APK, so that JaCoCo
> will read it?
>
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