Create coverage report for instrumented tests where the source lives in other modules

.travis.yml

@@ -52,7 +52,7 @@ before_script:
   - adb shell input keyevent 82 &
 
 script:
-  - ./gradlew createDebugCoverageReport ktlintCheck lint jacocoTestReport app:assembleRelease
+  - ./gradlew jacocoInstrumentationTestReport ktlintCheck lint jacocoTestReport app:assembleRelease
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

app/build.gradle

@@ -7,6 +7,8 @@ plugins {
 }
 apply plugin: KiwixConfigurationPlugin
 
+apply from: rootProject.file("jacoco.gradle")
+
 ext {
   versionMajor = 3
   versionMinor = 0

app/src/androidTest/java/org/kiwix/kiwixmobile/data/local/dao/BookDaoTest.java

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.data.local.dao;/*
+package org.kiwix.kiwixmobile.data.local.dao;
 
 import android.content.Context;
 import androidx.test.InstrumentationRegistry;

app/src/androidTest/java/org/kiwix/kiwixmobile/data/local/dao/RecentSearchDaoTest.java

@@ -16,7 +16,7 @@
  *
  */
 
-package org.kiwix.kiwixmobile.data.local.dao;/*
+package org.kiwix.kiwixmobile.data.local.dao;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.yahoo.squidb.data.AbstractModel;

core/build.gradle

@@ -19,7 +19,6 @@ apply plugin: 'io.objectbox'
 apply plugin: 'com.jakewharton.butterknife'
 
 android {
-  publishNonDefault true
   buildTypes {
     release {
       minifyEnabled false

core/src/main/java/org/kiwix/kiwixmobile/core/zim_manager/fileselect_view/adapter/BooksOnDiskViewHolder.kt

@@ -31,6 +31,7 @@ import kotlinx.android.synthetic.main.item_book.item_book_label_picture
 import kotlinx.android.synthetic.main.item_book.item_book_label_video
 import kotlinx.android.synthetic.main.item_book.item_book_size
 import kotlinx.android.synthetic.main.item_book.item_book_title
+import org.kiwix.kiwixmobile.core.base.adapter.BaseViewHolder
 import org.kiwix.kiwixmobile.core.downloader.model.Base64String
 import org.kiwix.kiwixmobile.core.extensions.setBitmap
 import org.kiwix.kiwixmobile.core.main.KiwixWebView
@@ -42,7 +43,6 @@ import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode.MULT
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.SelectionMode.NORMAL
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem.BookOnDisk
 import org.kiwix.kiwixmobile.core.zim_manager.fileselect_view.adapter.BooksOnDiskListItem.LanguageItem
-import org.kiwix.kiwixmobile.core.base.adapter.BaseViewHolder
 
 sealed class BookOnDiskViewHolder<in T : BooksOnDiskListItem>(containerView: View) :
   BaseViewHolder<T>(containerView) {
@@ -76,8 +76,8 @@ sealed class BookOnDiskViewHolder<in T : BooksOnDiskListItem>(containerView: Vie
 
       if (sharedPreferenceUtil.nightMode()) {
         item_book_icon.drawable
-          .mutate()
-          .colorFilter = ColorMatrixColorFilter(KiwixWebView.NIGHT_MODE_COLORS)
+          ?.mutate()
+          ?.colorFilter = ColorMatrixColorFilter(KiwixWebView.NIGHT_MODE_COLORS)
       }
 
       val path = item.file.path

jacoco.gradle

@@ -0,0 +1,61 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2019 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+apply plugin: 'jacoco'
+
+jacoco {
+  toolVersion = "0.8.3"
+}
+
+tasks.withType(Test) {
+  jacoco.includeNoLocationClasses = true
+}
+
+task jacocoInstrumentationTestReport(type: JacocoReport, dependsOn: ['createDebugCoverageReport']) {
+  group "Reporting"
+  description "Generate Jacoco coverage reports."
+  reports {
+    xml.enabled = true
+    html.enabled = true
+    html.destination file("${rootProject.buildDir}/coverage-report")
+  }
+  def javaClasses = []
+  def kotlinClasses = []
+  def javaSrc = []
+  def kotlinSrc = []
+  def execution = []
+
+  def fileFilter = ['**/R.class', '**/R$*.class', '**/BuildConfig.*', '**/Manifest*.*', '**/*Test*.*', 'android/**/*.*']
+
+  rootProject.subprojects.each { proj ->
+    javaClasses << fileTree(dir: "$proj.buildDir/intermediates/javac/debug", excludes: fileFilter)
+    kotlinClasses << fileTree(dir: "$proj.buildDir/tmp/kotlin-classes/debug", excludes: fileFilter)
+    javaSrc << "$proj.projectDir/src/main/java"
+    kotlinSrc << "$proj.projectDir/src/main/kotlin"
+    execution << fileTree(dir: proj.buildDir,
+      includes: ['jacoco/testDebugUnitTest.exec',
+        'outputs/code_coverage/debugAndroidTest/connected/**/*.ec'])
+  }
+  sourceDirectories = files([javaSrc, kotlinSrc])
+  classDirectories = files([javaClasses, kotlinClasses])
+  print execution
+  executionData = files(execution)
+  doLast() {
+    print "file://${reports.html.destination}/index.html"
+  }
+}