[Build] Code coverage report and run android test with emulator (#38)

- Integrate codecov
- Enable android test with emulator in travis-ci

.travis.yml

@@ -1,11 +1,60 @@
 language: android
 dist: trusty
 
+jdk:
+  - oraclejdk8
+
+env:
+  global:
+    - ADB_INSTALL_TIMEOUT=8
+    - ABI=x86_64
+    - EMU_FLAVOR=default
+    - ANDROID_HOME=/usr/local/android-sdk
+    - TOOLS=${ANDROID_HOME}/tools
+    - PATH=${ANDROID_HOME}:${ANDROID_HOME}/emulator:${TOOLS}:${TOOLS}/bin:${ANDROID_HOME}/platform-tools:${PATH}
+  matrix:
+    - API=25
+
 android:
   components:
-    - build-tools-28.0.3
-    - android-28
-    - extra-google-m2repository
-    - extra-android-m2repository
+    - tools
+
+licenses:
+  - 'android-sdk-preview-license-.+'
+  - 'android-sdk-license-.+'
+  - 'google-gdk-license-.+'
+
+install:
+  - echo 'count=0' > /home/travis/.android/repositories.cfg
+  - echo y | sdkmanager "platform-tools" >/dev/null
+  - echo y | sdkmanager "tools" >/dev/null
+  - echo y | sdkmanager "build-tools;28.0.3" >/dev/null
+  - echo y | sdkmanager "platforms;android-$API" >/dev/null
+  - echo y | sdkmanager "platforms;android-28" >/dev/null
+  - echo y | sdkmanager --channel=4 "emulator" >/dev/null
+  - echo y | sdkmanager "extras;android;m2repository" >/dev/null
+  - echo y | sdkmanager "system-images;android-$API;$EMU_FLAVOR;$ABI" >/dev/null
+  - echo no | avdmanager create avd --force -n test -k "system-images;android-$API;$EMU_FLAVOR;$ABI" -c 10M
+  - emulator -verbose -avd test -no-accel -no-snapshot -no-window $AUDIO -camera-back none -camera-front none -selinux permissive -qemu -m 2048 &
+  - android-wait-for-emulator
+  - adb shell input keyevent 82 &
+  - adb shell dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp'
+  - adb shell input touchscreen swipe 16 239 304 287
+  - adb shell dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp'
+
+script: ./gradlew clean app:lint jacocoTestReport app:assembleRelease
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
+
+after_failure:
+  - adb shell dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp'
+  - adb shell "uiautomator dump /sdcard/view.xml; cat /sdcard/view.xml"
+
+before_cache:
+  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
 
-script: ./gradlew clean app:lint app:testDebugUnitTest app:assembleRelease
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/

app/build.gradle

@@ -3,6 +3,7 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'androidx.navigation.safeargs.kotlin'
+apply plugin: 'jacoco'
 
 android {
     compileSdkVersion 28
@@ -22,11 +23,16 @@ android {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
+        debug {
+            testCoverageEnabled true
+        }
     }
     androidExtensions {
         experimental = true
     }
     testOptions {
+        animationsDisabled true
+
         unitTests {
             includeAndroidResources = true
         }
@@ -86,4 +92,31 @@ dependencies {
     androidTestImplementation "androidx.test.espresso:espresso-intents:$espressoVersion"
     androidTestImplementation "androidx.test.espresso:espresso-contrib:$espressoVersion"
     androidTestImplementation 'tools.fastlane:screengrab:1.1.0'
+    androidTestImplementation "androidx.test:runner:$testExtCore"
+}
+
+jacoco {
+    toolVersion = jacocoVersion
+}
+
+tasks.withType(Test) {
+    jacoco.includeNoLocationClasses = true
+}
+
+task jacocoTestReport(type: JacocoReport, dependsOn: ['testDebugUnitTest', 'createDebugCoverageReport']) {
+
+    reports {
+        xml.enabled = true
+        html.enabled = true
+    }
+
+    def fileFilter = [ '**/R.class', '**/R$*.class', '**/BuildConfig.*', '**/Manifest*.*', '**/*Test*.*', 'android/**/*.*' ]
+    def debugTree = fileTree(dir: "$project.buildDir/tmp/kotlin-classes/debug", excludes: fileFilter)
+    def mainSrc = "$project.projectDir/src/main/java"
+
+    sourceDirectories = files([mainSrc])
+    classDirectories = files([debugTree])
+    executionData = fileTree(dir: project.buildDir, includes: [
+            'jacoco/*.exec', 'outputs/code_coverage/debugAndroidTest/connected/*coverage.ec'
+    ])
 }

app/src/androidTest/java/com/jim/sharetocomputer/DownloadServiceTest.kt

@@ -52,13 +52,11 @@ class DownloadServiceTest {
     }
 
     private fun cleanTempFile() {
-        fileTemp.forEach {
-            val result = it.delete()
-            if (!result) MyLog.e("Fail delete ${it.absolutePath}")
-            else MyLog.e("Success delete ${it.absolutePath}")
-        }
-        assertTimeout(1000) {
+        assertTimeout(TIMEOUT) {
             fileTemp.forEach {
+                val result = it.delete()
+                if (!result) MyLog.e("Fail delete ${it.absolutePath}")
+                else MyLog.e("Success delete ${it.absolutePath}")
                 Assert.assertEquals(false, it.exists())
             }
         }
@@ -72,7 +70,7 @@ class DownloadServiceTest {
         application.startService(intent)
 
         val actualFile = File(downloadFolder, FILENAME_PNG)
-        assertTimeout(2000) {
+        assertTimeout(TIMEOUT) {
             Assert.assertEquals(true, actualFile.exists())
         }
     }
@@ -85,7 +83,7 @@ class DownloadServiceTest {
         application.startService(intent)
 
         val actualFile = File(downloadFolder, FILENAME_TEXT)
-        assertTimeout(2000) {
+        assertTimeout(TIMEOUT) {
             Assert.assertEquals(true, actualFile.exists())
         }
     }
@@ -98,11 +96,11 @@ class DownloadServiceTest {
         application.startService(intent)
 
         val actualFile1 = File(downloadFolder, FILENAME_PNG)
-        assertTimeout(2000) {
+        assertTimeout(TIMEOUT) {
             Assert.assertEquals(true, actualFile1.exists())
         }
         val actualFile2 = File(downloadFolder, FILENAME_TEXT)
-        assertTimeout(2000) {
+        assertTimeout(TIMEOUT) {
             Assert.assertEquals(true, actualFile2.exists())
         }
     }
@@ -115,15 +113,15 @@ class DownloadServiceTest {
         application.startService(intent)
 
         val actualFile = File(downloadFolder, FILENAME_PNG)
-        assertTimeout(2000) {
+        assertTimeout(TIMEOUT) {
             Assert.assertEquals(true, actualFile.exists())
         }
 
         val intent2 = DownloadService.createIntent(application, URL)
         application.startService(intent2)
 
         val actualFile2 = File(downloadFolder, FILENAME_PNG2)
-        assertTimeout(2000) {
+        assertTimeout(TIMEOUT) {
             Assert.assertEquals(true, actualFile2.exists())
         }
     }
@@ -201,6 +199,8 @@ class DownloadServiceTest {
         private val INFO_RESPONSE_MULTIPLE_FILES =
             Gson().toJson(ShareInfo(2, listOf(FileInfo(FILENAME_PNG), FileInfo(FILENAME_TEXT))))
 
+        private const val TIMEOUT = 20000
+
     }
 
 }

build.gradle

@@ -27,6 +27,7 @@ buildscript {
         espressoVersion = '3.2.0'
         testExtCore = '1.2.0'
         testExtJunit = '1.1.1'
+        jacocoVersion = '0.8.2'
     }
 
 
@@ -36,9 +37,10 @@ buildscript {
 
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath 'com.android.tools.build:gradle:3.4.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$navigationVersion"
+        classpath "org.jacoco:org.jacoco.core:$jacocoVersion"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }