Merge pull request #14 from ribot/unit_testing

Unit testing with Robolectric

.travis.yml

@@ -1,18 +1,16 @@
-language: java
-jdk: oraclejdk7
+language: android
+android:
+    components:
+        - build-tools-19.1.0
+    licenses:
+        - android-sdk-license-5be876d5
 before_install:
-  # Install base Android SDK
-    - sudo apt-get update -qq
-    - sudo apt-get install -qq libstdc++6:i386 lib32z1 expect
-    - export COMPONENTS=build-tools-19.1.0,android-19,sys-img-armeabi-v7a-android-19,extra-android-support
-    - curl -L https://raw.github.com/embarkmobile/android-sdk-installer/version-2/android-sdk-installer | bash /dev/stdin --install=$COMPONENTS
-    - source ~/.android-sdk-installer/env
-
     # Create and start emulator
     - echo no | android create avd --force -n test -t android-19 --abi armeabi-v7a
     - emulator -avd test -no-skin -no-audio -no-window &
-
+    - export TERM=dumb
+    - ./gradlew -v
+    - uname -a
 before_script:
-  - wait_for_emulator
-
-script: ./gradlew demo:connectedCheck
+  - ./wait_for_emulator
+script: ./gradlew clean library:test demo:connectedCheck

library/build.gradle

@@ -1,14 +1,27 @@
 import com.android.builder.core.BuilderConstants
 
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'org.robolectric.gradle:gradle-android-test-plugin:0.10.+'
+    }
+}
+
 apply plugin: 'com.android.library'
 apply plugin: 'maven'
 apply plugin: 'signing'
+apply plugin: 'android-test'
 
 version = "1.1.0"
 group = "uk.co.ribot"
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
+
+    androidTestCompile 'junit:junit:4.11'
+    androidTestCompile 'org.robolectric:robolectric:2.3'
 }
 
 android {

library/src/androidTest/java/uk/co/ribot/easyadapter/ClassAnnotationParserTest.java

@@ -0,0 +1,57 @@
+package uk.co.ribot.easyadapter;
+
+import android.view.View;
+
+import junit.framework.Assert;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import uk.co.ribot.easyadapter.annotations.ClassAnnotationParser;
+import uk.co.ribot.easyadapter.annotations.LayoutId;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class ClassAnnotationParserTest {
+
+    private static final int LAYOUT_ID = 1;
+
+    @Test public void testGetLayoutId() throws Exception{
+        Integer layoutId = ClassAnnotationParser.getLayoutId(ItemViewHolderWithLayoutId.class);
+        Assert.assertTrue(layoutId.equals(LAYOUT_ID));
+    }
+
+    @Test public void testGetLayoutIdWithoutAnnotation() throws Exception{
+        Integer layoutId = ClassAnnotationParser.getLayoutId(ItemViewHolderWithoutLayoutId.class);
+        Assert.assertNull(layoutId);
+    }
+
+    /*** Test ItemViewHolders ***/
+
+    @LayoutId(LAYOUT_ID)
+    private static class ItemViewHolderWithLayoutId extends ItemViewHolder<Object> {
+
+        ItemViewHolderWithLayoutId(View view) {
+            super(view);
+        }
+
+        @Override
+        public void onSetValues(Object item, PositionInfo positionInfo) {
+
+        }
+    }
+
+    private static class ItemViewHolderWithoutLayoutId extends ItemViewHolder<Object> {
+
+        ItemViewHolderWithoutLayoutId(View view) {
+            super(view);
+        }
+
+        @Override
+        public void onSetValues(Object item, PositionInfo positionInfo) {
+
+        }
+    }
+}

library/src/androidTest/java/uk/co/ribot/easyadapter/EasyAdapterUtilTest.java

@@ -0,0 +1,109 @@
+package uk.co.ribot.easyadapter;
+
+import android.view.View;
+
+import junit.framework.Assert;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import uk.co.ribot.easyadapter.annotations.LayoutId;
+
+
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class EasyAdapterUtilTest {
+
+    private static final int LAYOUT_ID = 1;
+
+    @Test public void testCreateViewHolder() throws Exception {
+        View view = new View(Robolectric.application);
+        ItemViewHolder<?> itemViewHolder = EasyAdapterUtil.createViewHolder(view, ValidItemViewHolder.class);
+        Assert.assertNotNull(itemViewHolder);
+    }
+
+    @Test public void testCreateInvalidViewHolder() throws Exception {
+        View view = new View(Robolectric.application);
+        InvalidViewHolderException exception = null;
+        try {
+            //Should throw a InvalidViewHolderException exception
+            EasyAdapterUtil.createViewHolder(view, InvalidItemViewHolder.class);
+        }catch (InvalidViewHolderException e) {
+            exception = e;
+        }
+        Assert.assertNotNull(exception);
+    }
+
+    @Test public void testParseItemLayoutId() throws Exception {
+        Integer layoutId = EasyAdapterUtil.parseItemLayoutId(ItemViewHolderWithLayoutId.class);
+        Assert.assertTrue(layoutId.equals(LAYOUT_ID));
+    }
+
+    @Test public void testParseItemLayoutIdWithoutLayoutId() throws Exception {
+        LayoutIdMissingException exception = null;
+        try {
+            EasyAdapterUtil.parseItemLayoutId(ItemViewHolderWithoutLayoutId.class);
+        }catch (LayoutIdMissingException e) {
+            exception = e;
+        }
+        Assert.assertNotNull(exception);
+    }
+
+    /*** Test ItemViewHolders ***/
+
+    private static class ValidItemViewHolder extends ItemViewHolder<Object> {
+
+        public ValidItemViewHolder(View view) {
+            super(view);
+        }
+
+        @Override
+        public void onSetValues(Object item, PositionInfo positionInfo) {
+
+        }
+
+    }
+
+    //This ItemViewHolder is invalid because it has another parameter in the constructor
+    private static class InvalidItemViewHolder extends ItemViewHolder<Object> {
+
+        public InvalidItemViewHolder(View view, int anotherParam) {
+            super(view);
+        }
+
+        @Override
+        public void onSetValues(Object item, PositionInfo positionInfo) {
+
+        }
+
+    }
+
+    @LayoutId(LAYOUT_ID)
+    private static class ItemViewHolderWithLayoutId extends ItemViewHolder<Object> {
+
+        ItemViewHolderWithLayoutId(View view) {
+            super(view);
+        }
+
+        @Override
+        public void onSetValues(Object item, PositionInfo positionInfo) {
+
+        }
+    }
+
+    //This view holders doesn't have a LayoutId annotation
+    private static class ItemViewHolderWithoutLayoutId extends ItemViewHolder<Object> {
+
+        ItemViewHolderWithoutLayoutId(View view) {
+            super(view);
+        }
+
+        @Override
+        public void onSetValues(Object item, PositionInfo positionInfo) {
+
+        }
+    }
+}

library/src/androidTest/java/uk/co/ribot/easyadapter/FieldAnnotationParserTest.java

@@ -0,0 +1,73 @@
+package uk.co.ribot.easyadapter;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.os.Build;
+import android.os.Bundle;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import junit.framework.Assert;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import uk.co.ribot.easyadapter.annotations.FieldAnnotationParser;
+import uk.co.ribot.easyadapter.annotations.ViewId;
+
+@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) //Disable because this code will run inside robolectric with api level 17+
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class FieldAnnotationParserTest {
+
+    private static final int TEXT_VIEW_ID = 1000;
+    private static final int IMAGE_VIEW_ID = 2000;
+
+    @Test public void testSetViewFields() throws Exception {
+        TestObjectWithAnnotations testObject = new TestObjectWithAnnotations();
+        FieldAnnotationParser.setViewFields(testObject, createTestLinearLayout());
+        Assert.assertNotNull(testObject.textView);
+        Assert.assertNotNull(testObject.imageView);
+    }
+
+    @Test public void testSetViewFieldsActivity() throws Exception {
+        Activity testActivity = Robolectric.buildActivity(TestActivity.class).create().get();
+        TestObjectWithAnnotations testObject = new TestObjectWithAnnotations();;
+        FieldAnnotationParser.setViewFields(testObject, testActivity);
+        Assert.assertNotNull(testObject.textView);
+        Assert.assertNotNull(testObject.imageView);
+    }
+
+    @SuppressWarnings("ResourceType") //Because of warning when setting a hardcoded ID into the view
+    private static LinearLayout createTestLinearLayout() {
+        LinearLayout linearLayout = new LinearLayout(Robolectric.application);
+        TextView textView = new TextView(Robolectric.application);
+        textView.setId(TEXT_VIEW_ID);
+        linearLayout.addView(textView);
+        ImageView imageView = new ImageView(Robolectric.application);
+        imageView.setId(IMAGE_VIEW_ID);
+        linearLayout.addView(imageView);
+        return linearLayout;
+    }
+
+    private class TestObjectWithAnnotations {
+
+        @ViewId(TEXT_VIEW_ID)
+        TextView textView;
+        @ViewId(IMAGE_VIEW_ID)
+        ImageView imageView;
+
+    }
+
+    static class TestActivity extends Activity {
+        @Override
+        protected void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            setContentView(createTestLinearLayout());
+        }
+    }
+}

wait_for_emulator

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Originally written by Ralf Kistner <[email protected]>, but placed in the public domain
+
+set +e
+
+bootanim=""
+failcounter=0
+until [[ "$bootanim" =~ "stopped" ]]; do
+   bootanim=`adb -e shell getprop init.svc.bootanim 2>&1`
+   echo "$bootanim"
+   if [[ "$bootanim" =~ "not found" ]]; then
+      let "failcounter += 1"
+      if [[ $failcounter -gt 15 ]]; then
+        echo "Failed to start emulator"
+        exit 1
+      fi
+   fi
+   sleep 1
+done
+echo "Done"