Experimenting unit test with Robolectric and JUnit

Author: davideas

flexible-adapter-app/build.gradle

@@ -13,6 +13,8 @@ android {
 		versionCode libraryCode
 		versionName libraryVersion + libraryDate
 
+		testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
 		applicationVariants.all { variant ->
 			variant.outputs.each { output ->
 				def file = output.outputFile
@@ -31,9 +33,21 @@ android {
 			minifyEnabled false
 		}
 	}
+	testOptions {
+		unitTests.returnDefaultValues = true
+	}
 }
 
 dependencies {
+	//Testing
+	androidTestCompile supportDependencies.annotations
+	androidTestCompile 'com.android.support.test:runner:0.4.1'
+	androidTestCompile 'com.android.support.test:rules:0.4.1'
+	testCompile 'org.robolectric:robolectric:3.1'
+	testCompile 'junit:junit:4.12'
+	testCompile 'org.mockito:mockito-core:2.0.71-beta'
+
+	//FlexibleAdapter
 	compile project (":flexible-adapter")
 
 	//FlipView

flexible-adapter-app/src/test/java/eu/davidea/flexibleadapter/HeadersSectionsTest.java

@@ -0,0 +1,78 @@
+package eu.davidea.flexibleadapter;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.annotation.Config;
+
+import java.util.List;
+
+import eu.davidea.flexibleadapter.items.AbstractFlexibleItem;
+import eu.davidea.samples.flexibleadapter.services.DatabaseService;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Davide Steduto
+ * @since 23/06/2016
+ */
+@RunWith(RobolectricGradleTestRunner.class)
+@Config(constants = BuildConfig.class)
+public class HeadersSectionsTest {
+
+	FlexibleAdapter<AbstractFlexibleItem> mAdapter;
+	List<AbstractFlexibleItem> mItems;
+
+	@Before
+	public void setUp() throws Exception {
+		DatabaseService.getInstance().createHeadersSectionsDatabase();
+		mItems = DatabaseService.getInstance().getDatabaseList();
+		mAdapter = new FlexibleAdapter<>(mItems);
+	}
+
+	@Test
+	public void testItemCount() throws Exception {
+		assertTrue(mAdapter.getItemCount() == mItems.size());
+	}
+
+	@Test
+	public void testSetDisplayHeadersAtStartUp() throws Exception {
+		assertTrue(mAdapter.getHeaderItems().size() == 0);
+		mAdapter.setDisplayHeadersAtStartUp(true);
+		System.out.println("Headers = " + mAdapter.getHeaderItems().size());
+		mAdapter.setDisplayHeadersAtStartUp(true);
+		System.out.println("Headers = " + mAdapter.getHeaderItems().size());
+		assertTrue(mAdapter.getHeaderItems().size() > 0);
+	}
+
+	@Test
+	public void testIsHeader() throws Exception {
+	}
+
+	@Test
+	public void testHasHeader() throws Exception {
+
+	}
+
+	@Test
+	public void testHasSameHeader() throws Exception {
+
+	}
+
+	@Test
+	public void testGetHeaderOf() throws Exception {
+
+	}
+
+	@Test
+	public void testShowAllHeaders() throws Exception {
+
+	}
+
+	@Test
+	public void testHideAllHeaders() throws Exception {
+
+	}
+
+}