Added sanity UI tests in the sample app (#190)

* Added sanity UI tests in the sample app
* Added tasks for merged code coverage report and for static code analysis combined with UI tests
* Added CircleCI integration
* Added simple screenshot reports.
* Fixed incorrect color in the sample app in 'Custom StepperLayout theme' sample

Author: zawadz88

.travis.yml

@@ -2,7 +2,7 @@
   <img src ="./art/material-stepper-logo.png" width="256" height="256"/>
 </p>
 
-# Android Material Stepper [![Build Status](https://travis-ci.org/stepstone-tech/android-material-stepper.svg?branch=master)](https://travis-ci.org/stepstone-tech/android-material-stepper) [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-Android%20Material%20Stepper-brightgreen.svg?style=flat)](https://android-arsenal.com/details/1/5138) [![Android Weekly](https://img.shields.io/badge/Android%20Weekly-%23243-brightgreen.svg)](http://androidweekly.net/issues/issue-243)
+# Android Material Stepper [![CircleCI](https://circleci.com/gh/stepstone-tech/android-material-stepper.svg?style=svg)](https://circleci.com/gh/stepstone-tech/android-material-stepper) [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-Android%20Material%20Stepper-brightgreen.svg?style=flat)](https://android-arsenal.com/details/1/5138) [![Android Weekly](https://img.shields.io/badge/Android%20Weekly-%23243-brightgreen.svg)](http://androidweekly.net/issues/issue-243)
 
 This library allows to use Material steppers inside Android applications.
 

README.md

@@ -1,11 +1,12 @@
 buildscript {
-    ext.gradleAndroidVersion        = '2.3.3'
+    ext.gradleAndroidVersion        = '3.0.0-beta2'
     ext.kotlinVersion               = '1.1.3-2'
     ext.bintrayVersion              = '1.4'
     ext.mavenGradlePluginVersion    = '1.4.1'
 
     repositories {
         jcenter()
+        google()
     }
     dependencies {
         classpath "com.android.tools.build:gradle:$gradleAndroidVersion"
@@ -19,9 +20,7 @@ allprojects {
     repositories {
         jcenter()
         mavenCentral()
-        maven {
-            url "https://maven.google.com"
-        }
+        google()
     }
 }
 
@@ -40,6 +39,9 @@ configure(allprojects) {
         robolectricVersion                  = '3.3.1'
         assertjVersion                      = '1.1.1'
 
+        supportTestVersion                  = '1.0.0'
+        espressoVersion                     = '3.0.0'
+
         /* Sample only */
         butterknifeVersion                  = '8.5.1'
         calligraphyVersion                  = '2.2.0'

build.gradle

@@ -0,0 +1,59 @@
+machine:
+  environment:
+    PATH: "~/$CIRCLE_PROJECT_REPONAME/gradle-4.1/bin:$PATH"
+    TERM: "dumb"
+    ADB_INSTALL_TIMEOUT: "10"
+    GRADLE_OPTS: '-Dorg.gradle.jvmargs="-Xmx2048m -XX:+HeapDumpOnOutOfMemoryError"'
+    _JAVA_OPTIONS: "-Xms512m -Xmx1024m -XX:ParallelGCThreads=2 -XX:ConcGCThreads=2 -XX:ParallelGCThreads=2 -Djava.util.concurrent.ForkJoinPool.common.parallelism=2"
+
+dependencies:
+  pre:
+    - wget "https://services.gradle.org/distributions/gradle-4.1-bin.zip"; unzip gradle-4.1-bin.zip
+    - if [ ! -e /usr/local/android-sdk-linux/build-tools/25.0.2 ]; then echo y | android update sdk --all --no-ui --filter "build-tools-25.0.2"; fi;
+    - if [ ! -e /usr/local/android-sdk-linux/platforms/android-25 ]; then echo y | android update sdk --all --no-ui --filter "android-25"; fi;
+    - if ! $(grep -q "Revision=47.0.0" /usr/local/android-sdk-linux/extras/android/m2repository/source.properties); then echo y | android update sdk --all --no-ui --filter "extra-android-m2repository"; fi;
+    - echo y | android update sdk --no-ui --all --filter tool,extra-google-google_play_services
+    - printf 'bintray.user=dummy_user\nbintray.apikey=dummy_api_key\nsdk.dir=/usr/local/android-sdk-linux' > local.properties
+
+  cache_directories:
+    - /usr/local/android-sdk-linux/build-tools/25.0.2
+    - /usr/local/android-sdk-linux/platforms/android-25
+    - /usr/local/android-sdk-linux/extras/android/m2repository
+
+test:
+  override:
+    # run static analysis and unit tests with coverage
+    - ./gradlew checkWithCoverage --stacktrace --no-daemon
+
+    # Create SD card (needed for screenshots)
+    - mksdcard -l sdcard 200M sdcard.img
+
+    # start the emulator
+    - emulator -avd circleci-android22 -sdcard sdcard.img -no-audio -no-window:
+        background: true
+        parallel: true
+    # wait for it to have booted
+    - circle-android wait-for-boot
+    - sleep 30
+    # unlock the emulator screen
+    - adb shell input keyevent 82
+
+    # run instrumentation tests with coverage & lint for the sample app
+    - ./gradlew :sample:lintDebug mergedJacocoTestReport --stacktrace --no-daemon -Ptest.integration.options.adbInstallOptions=-r
+    - ./gradlew install --no-daemon
+
+    # upload code coverage reports to Codecov.io
+    - bash <(curl -s https://codecov.io/bash)
+
+  post:
+    # copy the test results to the test results directory
+    - mkdir -p $CIRCLE_TEST_REPORTS/unit
+    - mkdir -p $CIRCLE_TEST_REPORTS/instrumentation
+    - find . -type f -regex ".*/build/test-results/testDebugUnitTest/.*xml" -exec cp {} $CIRCLE_TEST_REPORTS/unit/ \;
+    - find . -type f -regex ".*/build/outputs/androidTest-results/connected/.*xml" -exec cp {} $CIRCLE_TEST_REPORTS/instrumentation/ \;
+
+    # copy the reports to artifacts directory
+    - mkdir -p $CIRCLE_ARTIFACTS/reports-library
+    - mkdir -p $CIRCLE_ARTIFACTS/reports-sample
+    - cp -r material-stepper/build/reports $CIRCLE_ARTIFACTS/reports-library
+    - cp -r sample/build/reports $CIRCLE_ARTIFACTS/reports-sample

circle.yml

@@ -0,0 +1,11 @@
+def final String PROPERTY_ADB_INSTALL_OPTIONS = 'test.integration.options.adbInstallOptions'
+
+/**
+ * Returns adbInstallOptions to use. This is needed because different adb install options are supported depending on OS version.
+ * @return
+ */
+ext.getAdbInstallOptions = {
+    def adbInstallOptions = (project.hasProperty(PROPERTY_ADB_INSTALL_OPTIONS) ? project.getProperties().get(PROPERTY_ADB_INSTALL_OPTIONS).split(',') : ['-g', '-r']) as String[]
+    println("Running with adbInstallOptions: $adbInstallOptions")
+    return adbInstallOptions
+}

config/project_properties.gradle

@@ -18,7 +18,7 @@ dependencies {
     checkstyle 'com.puppycrawl.tools:checkstyle:6.11.1'
 }
 
-def qualityConfigDir = "$project.rootDir/config/quality";
+def qualityConfigDir = "$project.rootDir/config/quality"
 def reportsDir = "$project.buildDir/reports"
 
 task checkstyle(type: Checkstyle, group: 'Verification', description: 'Runs code style checks') {
@@ -29,7 +29,7 @@ task checkstyle(type: Checkstyle, group: 'Verification', description: 'Runs code
     reports {
         xml.enabled = true
         xml {
-            destination "$reportsDir/checkstyle/checkstyle.xml"
+            destination file("$reportsDir/checkstyle/checkstyle.xml")
         }
     }
 
@@ -52,10 +52,10 @@ task findbugs(type: FindBugs,
     exclude '**/gen/**'
 
     reports {
-        xml.enabled = true
-        html.enabled = false
+        xml.enabled = false
+        html.enabled = true
         xml {
-            destination "$reportsDir/findbugs/findbugs.xml"
+            destination file("$reportsDir/findbugs/findbugs.xml")
         }
     }
 
@@ -76,10 +76,10 @@ task pmd(type: Pmd, group: 'Verification', description: 'Inspect sourcecode for
         xml.enabled = true
         html.enabled = true
         xml {
-            destination "$reportsDir/pmd/pmd.xml"
+            destination file("$reportsDir/pmd/pmd.xml")
         }
         html {
-            destination "$reportsDir/pmd/pmd.html"
+            destination file("$reportsDir/pmd/pmd.html")
         }
     }
 }

config/quality/quality.gradle

@@ -19,4 +19,7 @@
 
 POM_GROUP_ID=com.stepstone.stepper
 POM_ARTIFACT_ID=material-stepper
-POM_VERSION=4.0.0
+POM_VERSION=4.0.0
+
+#Needed so that Robolectric is working: https://github.com/robolectric/robolectric/issues/3169
+android.enableAapt2=false

gradle.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

gradle/wrapper/gradle-wrapper.properties

@@ -36,13 +36,16 @@ android {
         minSdkVersion project.androidMinSdkVersion
         targetSdkVersion project.androidTargetSdkVersion
         vectorDrawables.useSupportLibrary = true
-
     }
+
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
+        debug {
+            testCoverageEnabled true
+        }
     }
 
     testOptions {
@@ -52,26 +55,29 @@ android {
                 includeNoLocationClasses = true
             }
         }
+        //fixes https://github.com/robolectric/robolectric/issues/3169#issuecomment-312046322
+        unitTests.includeAndroidResources = true
     }
 
     lintOptions {
         warningsAsErrors true
+        disable 'RequiredSize', 'ClickableViewAccessibility'
     }
 }
 
 dependencies {
-    compile "com.android.support:appcompat-v7:$androidSupportLibraryVersion"
+    api "com.android.support:appcompat-v7:$androidSupportLibraryVersion"
 
-    testCompile "junit:junit:$junitVersion"
-    testCompile "org.mockito:mockito-core:$mockitoVersion"
-    testCompile "com.squareup.assertj:assertj-android:$assertjVersion"
-    testCompile("org.robolectric:robolectric:$robolectricVersion") {
+    testImplementation "junit:junit:$junitVersion"
+    testImplementation "org.mockito:mockito-core:$mockitoVersion"
+    testImplementation "com.squareup.assertj:assertj-android:$assertjVersion"
+    testImplementation("org.robolectric:robolectric:$robolectricVersion") {
         exclude group: 'commons-logging', module: 'commons-logging'
         exclude group: 'org.apache.httpcomponents', module: 'httpclient'
     }
-    testCompile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlinVersion"
-    testCompile "org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion"
-    testCompile "com.nhaarman:mockito-kotlin:$mockitoKotlinVersion"
+    testImplementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlinVersion"
+    testImplementation "org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion"
+    testImplementation "com.nhaarman:mockito-kotlin:$mockitoKotlinVersion"
 }
 
 gradle.taskGraph.beforeTask { Task task ->
@@ -85,11 +91,13 @@ gradle.taskGraph.beforeTask { Task task ->
 }
 
 // Log out test results to console
-tasks.matching { it instanceof Test }.all {
+tasks.matching { it instanceof Test}.all {
     testLogging.events = ["failed", "passed", "skipped"]
 }
 
-check.dependsOn 'checkstyle', 'findbugs', 'pmd', 'jacocoTestReport'
+task ('checkWithCoverage') {
+    dependsOn 'checkstyle', 'findbugs', 'pmd', 'jacocoTestReport', 'lintDebug'
+}
 
 apply from: '../installv1.gradle'
 apply from: '../bintrayv1.gradle'

material-stepper/build.gradle

@@ -14,11 +14,14 @@ task('jacocoTestReport', type: JacocoReport, dependsOn: 'testDebugUnitTest') {
 
     classDirectories = fileTree(
             dir: './build/intermediates/classes/debug',
-            excludes: ['**/R*.class',
-                       '**/*$InjectAdapter.class',
-                       '**/*$ModuleAdapter.class',
-                       '**/*$ViewInjector*.class'
-            ]
+            excludes: ['**/R.class',
+                       '**/R$*.class',
+                       '**/BuildConfig.*',
+                       '**/Manifest*.*',
+                       '**/*IScript*.*',
+                       'android/**/*.*',
+                       '**/**_ViewBinding.*',
+                       '**/**_ViewBinding$*']
     )
 
     def coverageSourceDirs = [