Initial commit

app/src/androidTest/java/com/codemate/booklibrary/RecyclerViewAssertions.java

@@ -0,0 +1,53 @@
+package com.codemate.booklibrary;
+
+import android.support.test.espresso.NoMatchingViewException;
+import android.support.test.espresso.ViewAssertion;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class RecyclerViewAssertions {
+
+    public static ViewAssertion adapterItemCountEquals(int count) {
+        return new ItemCountAssertion(ItemCountAssertion.MODE_EQUALS, count);
+    }
+
+    public static ViewAssertion adapterItemCountLowerThan(int count) {
+        return new ItemCountAssertion(ItemCountAssertion.MODE_LESS_THAN, count);
+    }
+
+    private static class ItemCountAssertion implements ViewAssertion {
+        private static final int MODE_EQUALS = 0;
+        private static final int MODE_LESS_THAN = 1;
+
+        private final int mode;
+        private final int expectedChildCount;
+
+        ItemCountAssertion(int mode, int exptectedChildCount) {
+            this.mode = mode;
+            this.expectedChildCount = exptectedChildCount;
+        }
+
+        @Override
+        public void check (View view, NoMatchingViewException noViewFoundException) {
+            if (noViewFoundException != null) {
+                throw noViewFoundException;
+            }
+
+            RecyclerView recyclerView = (RecyclerView) view;
+            RecyclerView.Adapter adapter = recyclerView.getAdapter();
+
+            if (mode == MODE_EQUALS) {
+                assertThat(expectedChildCount, is(adapter.getItemCount()));
+            } else if (mode == MODE_LESS_THAN) {
+                assertTrue(expectedChildCount > adapter.getItemCount());
+            }
+        }
+    }
+}

app/src/androidTest/java/com/codemate/booklibrary/ui/MainActivityTest.java

@@ -0,0 +1,43 @@
+package com.codemate.booklibrary.ui;
+
+import android.support.test.espresso.action.ViewActions;
+import android.support.test.espresso.matcher.ViewMatchers;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import android.widget.EditText;
+
+import com.codemate.booklibrary.R;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static com.codemate.booklibrary.RecyclerViewAssertions.adapterItemCountEquals;
+import static com.codemate.booklibrary.RecyclerViewAssertions.adapterItemCountLowerThan;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+@RunWith(AndroidJUnit4.class)
+public class MainActivityTest {
+    @Rule
+    public ActivityTestRule<MainActivity> mainActivityTestRule =
+            new ActivityTestRule<>(MainActivity.class);
+
+    @Test
+    public void allBooksDisplayedInUI() {
+        onView(ViewMatchers.withId(R.id.bookRecycler))
+                .check(adapterItemCountEquals(45));
+    }
+
+    @Test
+    public void onSearchTermEntered_NonMatchingItemsNotShown() {
+        onView(isAssignableFrom(EditText.class))
+                .perform(ViewActions.typeText("2"));
+        onView(withId(R.id.bookRecycler))
+                .check(adapterItemCountLowerThan(45));
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.codemate.booklibrary">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".ui.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/codemate/booklibrary/data/Book.java

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+package com.codemate.booklibrary.data;
+
+import java.util.Date;
+
+/**
+ * Created by ironman on 01/09/16.
+ */
+public class Book {
+    private final String title;
+    private final String author;
+    private final Date publishDate;
+
+    public Book(String title, String author, Date publishDate) {
+        this.title = title;
+        this.author = author;
+        this.publishDate = publishDate;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public Date getPublishDate() {
+        return publishDate;
+    }
+}

app/src/main/java/com/codemate/booklibrary/data/Library.java

@@ -0,0 +1,95 @@
+package com.codemate.booklibrary.data;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.List;
+
+/**
+ * Created by ironman on 01/09/16.
+ */
+public class Library {
+    private List<Book> inventory = new ArrayList<>();
+
+    public void addBook(Book book) {
+        inventory.add(book);
+    }
+
+    public void addBooks(List<Book> books) {
+        inventory.addAll(books);
+    }
+
+    public List<Book> getAllBooks() {
+        return inventory;
+    }
+
+    /**
+     * This is a stupid search. In a real scenario, we would have something that
+     * would be much better.
+     */
+    public List<Book> search(String searchQuery) {
+        List<Book> results = new ArrayList<>();
+
+        if (searchQuery.matches("^[1-9][0-9]{0,3}$")) {
+            results.addAll(findBooksByYear(searchQuery));
+        }
+
+        results.addAll(findBooksByAuthor(searchQuery));
+        results.addAll(findBooksByTitle(searchQuery));
+
+        return results;
+    }
+
+    public List<Book> findBooksByAuthor(String authorQuery) {
+        List<Book> results = new ArrayList<>();
+
+        for (Book candidate : inventory) {
+            String normalizedAuthor = candidate.getAuthor().toLowerCase();
+            String normalizedSearchQuery = authorQuery.toLowerCase();
+
+            if (normalizedAuthor.contains(normalizedSearchQuery)) {
+                results.add(candidate);
+            }
+        }
+
+        return results;
+    }
+
+    public List<Book> findBooksByTitle(String titleQuery) {
+        List<Book> results = new ArrayList<>();
+
+        for (Book candidate : inventory) {
+            String normalizedTitle = candidate.getTitle().toLowerCase();
+            String normalizedSearchQuery = titleQuery.toLowerCase();
+
+            if (normalizedTitle.contains(normalizedSearchQuery)) {
+                results.add(candidate);
+            }
+        }
+
+        return results;
+    }
+
+    public List<Book> findBooksByYear(String searchedYear) {
+        List<Book> results = new ArrayList<>();
+
+        for (Book candidate : inventory) {
+            Calendar candidateCalendar = Calendar.getInstance();
+            candidateCalendar.setTime(candidate.getPublishDate());
+
+            int candidateYear = candidateCalendar.get(Calendar.YEAR);
+
+            if (candidateYear == Integer.valueOf(searchedYear)
+                    || yearsStartSimilarly(candidateYear, searchedYear)) {
+                results.add(candidate);
+            }
+        }
+
+        return results;
+    }
+
+    private boolean yearsStartSimilarly(int candidateYear, String searchedYear) {
+        String candidate = String.valueOf(candidateYear);
+
+        return candidate.startsWith(searchedYear);
+    }
+}

app/src/main/java/com/codemate/booklibrary/data/RandomBookGenerator.java

@@ -0,0 +1,78 @@
+package com.codemate.booklibrary.data;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class RandomBookGenerator {
+    private RandomBookGenerator() {}
+
+    private static final String[] SUBJECTS = {
+            "Chicken", "Pig", "Hippo", "Dinosaur", "Giraffe", "Orangutan",
+            "Bat", "Lion", "Daddy", "Grandpa", "Donald Trump", "Coffee",
+            "Dog", "Rat", "Pokemon", "Cat", "Senile", "Pensioner",
+            "Project manager", "Salesperson"
+    };
+
+    private static final String[] SECOND_WORDS = {
+            "strip club", "that knew too little", "Strategy", "parking space",
+            "Office", "Banana", "Toilet", "Poop", "Fart", "Rain", "Job",
+            "Thing", "Radio", "Zoo", "Office", "House", "Village",
+            "swimming pool", "Computer"
+    };
+
+    private static final String[] FIRST_NAMES = {
+            "Bob", "Anna", "Tim", "Bethany", "Donald", "Mickey", "John",
+            "George", "Dick", "James", "Timothy", "Joanne", "Angus"
+    };
+
+    private static final String[] LAST_NAMES = {
+            "Doe", "Trump", "Bond", "Jackson", "Jordan", "Young", "Page",
+            "Johnson", "Springsteen", "Kauffman", "Schmidt", "Jokinen"
+    };
+
+    public static List<Book> randomBooks(int howMany) {
+        List<Book> books = new ArrayList<>();
+
+        for (int i = 0; i < howMany; i++) {
+            books.add(randomBook());
+        }
+
+        return books;
+    }
+
+    public static Book randomBook() {
+        String title = randomTitle();
+        String author = randomAuthor();
+        Date date = randomDate();
+
+        return new Book(title, author, date);
+    }
+
+    private static String randomTitle() {
+        String subject = RandomUtils.randomFromArray(SUBJECTS);
+        String secondWord = RandomUtils.randomFromArray(SECOND_WORDS);
+
+        return subject + " " + secondWord;
+    }
+
+    private static String randomAuthor() {
+        String firstName = RandomUtils.randomFromArray(FIRST_NAMES);
+        String lastName = RandomUtils.randomFromArray(LAST_NAMES);
+
+        return firstName + " " + lastName;
+    }
+
+    private static Date randomDate() {
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(Calendar.YEAR, RandomUtils.randBetween(1995, 2016));
+        calendar.set(Calendar.MONTH, RandomUtils.randBetween(0, 11));
+        calendar.set(Calendar.DAY_OF_MONTH, RandomUtils.randBetween(1, 25));
+
+        return calendar.getTime();
+    }
+}

app/src/main/java/com/codemate/booklibrary/data/RandomUtils.java

@@ -0,0 +1,24 @@
+package com.codemate.booklibrary.data;
+
+import java.util.Random;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class RandomUtils {
+    private RandomUtils() {}
+
+    private static final Random random;
+
+    static {
+        random = new Random();
+    }
+
+    public static <T> T randomFromArray(T[] array) {
+        return array[randBetween(0, array.length - 1)];
+    }
+
+    public static int randBetween(int start, int end) {
+        return start + (int) Math.round(random.nextDouble() * (end - start));
+    }
+}

app/src/main/java/com/codemate/booklibrary/ui/BookAdapter.java

@@ -0,0 +1,68 @@
+package com.codemate.booklibrary.ui;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.codemate.booklibrary.data.Book;
+import com.codemate.booklibrary.R;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class BookAdapter extends RecyclerView.Adapter<BookAdapter.ViewHolder> {
+    private final SimpleDateFormat dateFormat;
+    private List<Book> items = new ArrayList<>();
+
+    public BookAdapter() {
+        dateFormat = new SimpleDateFormat("yyyy", Locale.getDefault());
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
+        View itemView = inflater.inflate(R.layout.item_book, parent, false);
+
+        return new ViewHolder(itemView);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        Book book = items.get(position);
+
+        holder.title.setText(book.getTitle());
+        holder.author.setText(book.getAuthor());
+        holder.date.setText(dateFormat.format(book.getPublishDate()));
+    }
+
+    @Override
+    public int getItemCount() {
+        return items.size();
+    }
+
+    public void updateItems(List<Book> books) {
+        this.items = books;
+        notifyDataSetChanged();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+        final TextView title;
+        final TextView author;
+        final TextView date;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+
+            title = (TextView) itemView.findViewById(R.id.bookTitle);
+            author = (TextView) itemView.findViewById(R.id.bookAuthor);
+            date = (TextView) itemView.findViewById(R.id.bookDate);
+        }
+    }
+}

app/src/main/java/com/codemate/booklibrary/ui/MainActivity.java

@@ -0,0 +1,57 @@
+package com.codemate.booklibrary.ui;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.SearchView;
+
+import com.codemate.booklibrary.data.Book;
+import com.codemate.booklibrary.data.Library;
+import com.codemate.booklibrary.R;
+
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity implements MainView, SearchView.OnQueryTextListener {
+
+    private MainPresenter presenter;
+    private BookAdapter bookAdapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        initializeViews();
+
+        presenter = new MainPresenter(this, new Library());
+        presenter.loadAllBooks();
+    }
+
+    private void initializeViews() {
+        bookAdapter = new BookAdapter();
+
+        RecyclerView bookRecycler = (RecyclerView) findViewById(R.id.bookRecycler);
+        bookRecycler.setLayoutManager(new LinearLayoutManager(this));
+        bookRecycler.setAdapter(bookAdapter);
+
+        SearchView searchView = (SearchView) findViewById(R.id.searchView);
+        searchView.setOnQueryTextListener(this);
+    }
+
+    @Override
+    public boolean onQueryTextSubmit(String query) {
+        return false;
+    }
+
+    @Override
+    public boolean onQueryTextChange(String newText) {
+        presenter.searchForBooks(newText);
+        return false;
+    }
+
+    @Override
+    public void showBooks(List<Book> books) {
+        bookAdapter.updateItems(books);
+    }
+}

app/src/main/java/com/codemate/booklibrary/ui/MainPresenter.java

@@ -0,0 +1,39 @@
+package com.codemate.booklibrary.ui;
+
+import com.codemate.booklibrary.data.Book;
+import com.codemate.booklibrary.data.Library;
+import com.codemate.booklibrary.data.RandomBookGenerator;
+
+import java.util.List;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class MainPresenter {
+    private final MainView mainView;
+    private final Library library;
+
+    public MainPresenter(MainView mainView, Library library) {
+        this.mainView = mainView;
+        this.library = library;
+    }
+
+    public void searchForBooks(String searchQuery) {
+        List<Book> searchResults = library.search(searchQuery);
+        loadBooks(searchResults);
+    }
+
+    public void loadAllBooks() {
+        // Populate the library with fake dummy data. In a real app
+        // we would have an interactor that would fetch the books from
+        // a real API.
+        List<Book> books = RandomBookGenerator.randomBooks(45);
+        library.addBooks(books);
+
+        loadBooks(library.getAllBooks());
+    }
+
+    public void loadBooks(List<Book> books) {
+        mainView.showBooks(books);
+    }
+}

app/src/main/java/com/codemate/booklibrary/ui/MainView.java

@@ -0,0 +1,12 @@
+package com.codemate.booklibrary.ui;
+
+import com.codemate.booklibrary.data.Book;
+
+import java.util.List;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public interface MainView {
+    void showBooks(List<Book> books);
+}

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    tools:context=".ui.MainActivity">
+
+    <android.support.v7.widget.SearchView
+        android:id="@+id/searchView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="8dp"
+        app:iconifiedByDefault="false"
+        app:queryHint="Search by title, author or year..." />
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/bookRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingLeft="8dp"
+        android:paddingRight="8dp"
+        android:clipToPadding="false"
+        android:layout_below="@id/searchView"
+        android:scrollbars="vertical"/>
+
+</RelativeLayout>

app/src/main/res/layout/item_book.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="8dp">
+
+    <TextView
+        android:id="@+id/bookTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="@style/TextAppearance.AppCompat.Title"
+        tools:text="Book Title" />
+
+    <TextView
+        android:id="@+id/bookAuthor"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
+        tools:text="Book Author" />
+
+    <TextView
+        android:id="@+id/bookDate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="@style/TextAppearance.AppCompat.Caption"
+        tools:text="2016" />
+
+</LinearLayout>

app/src/main/res/values-w820dp/dimens.xml

@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Book Library</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

app/src/test/java/com/codemate/booklibrary/CucumberTests.java

@@ -0,0 +1,16 @@
+package com.codemate.booklibrary;
+
+import junit.framework.TestCase;
+
+import org.junit.runner.RunWith;
+
+import cucumber.api.CucumberOptions;
+import cucumber.api.junit.Cucumber;
+
+/**
+ * Created by ironman on 01/09/16.
+ */
+@RunWith(Cucumber.class)
+@CucumberOptions(features = "src/test/resources")
+public class CucumberTests extends TestCase {
+}

app/src/test/java/com/codemate/booklibrary/data/LibraryTest.java

@@ -0,0 +1,20 @@
+package com.codemate.booklibrary.data;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class LibraryTest {
+    @Test
+    public void addMultipleBooks_PersistsThemInLibrary() {
+        List<Book> books = RandomBookGenerator.randomBooks(3);
+        Library library = new Library();
+        library.addBooks(books);
+
+        Assert.assertEquals(books, library.getAllBooks());
+    }
+}

app/src/test/java/com/codemate/booklibrary/data/RandomBookGeneratorTest.java

@@ -0,0 +1,27 @@
+package com.codemate.booklibrary.data;
+
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class RandomBookGeneratorTest {
+    @Test
+    public void generatingRandomBooks_ReturnsNonEmptyBookList() {
+        List<Book> books = RandomBookGenerator.randomBooks(15);
+
+        assertEquals(15, books.size());
+
+        for (Book book : books) {
+            assertNotNull(book.getTitle());
+            assertNotNull(book.getAuthor());
+            assertNotEquals(0, book.getPublishDate().getTime());
+        }
+    }
+}

app/src/test/java/com/codemate/booklibrary/steps/BookSearchSteps.java

@@ -0,0 +1,87 @@
+package com.codemate.booklibrary.steps;
+
+import com.codemate.booklibrary.data.Book;
+import com.codemate.booklibrary.data.Library;
+import com.codemate.booklibrary.ui.MainPresenter;
+import com.codemate.booklibrary.ui.MainView;
+
+import org.junit.Assert;
+import org.mockito.Mockito;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import cucumber.api.Format;
+import cucumber.api.PendingException;
+import cucumber.api.java.en.And;
+import cucumber.api.java.en.Given;
+import cucumber.api.java.en.Then;
+import cucumber.api.java.en.When;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+/**
+ * Created by ironman on 01/09/16.
+ */
+public class BookSearchSteps {
+    private Library library = new Library();
+    private List<Book> results = new ArrayList<>();
+
+    /**
+     * Test data populations
+     */
+    @Given(".*a book with title \"([^\"]*)\", written by \"([^\"]*)\", published in (.+)$")
+    public void addNewBook(String title, String author, @Format("dd MMMM yyyy") Date publishDate) throws Throwable {
+        Book book = new Book(title, author, publishDate);
+        library.addBook(book);
+    }
+
+    /**
+     * Use cases
+     */
+    @When("^the customer wants to know all books in the library$")
+    public void getAllBooks() throws Throwable {
+        results = library.getAllBooks();
+    }
+
+    @When("^the customer searches for books by author \"([^\"]*)\"$")
+    public void searchByAuthor(String authorQuery) throws Throwable {
+        results = library.search(authorQuery);
+    }
+
+    @When("^the customer searches for books with title \"([^\"]*)\"$")
+    public void searchByTitle(String title) throws Throwable {
+        results = library.search(title);
+    }
+
+    @When("^the customer searches for books published in year (.*)$")
+    public void searchByYear(String year) throws Throwable {
+        results = library.search(year);
+    }
+
+    /**
+     * Assertions
+     */
+    @Then("^(\\d+) books should be found$")
+    public void verifyAmountOfBooksFound(int booksFound) throws Throwable {
+        assertEquals(booksFound, results.size());
+    }
+
+    @And("^Book (\\d+) should have the title \"([^\"]*)\"$")
+    public void verifyBookAtPosition(int position, String title) throws Throwable {
+        int realPosition = position - 1;
+        Assert.assertEquals(title, results.get(realPosition).getTitle());
+    }
+
+    @And("^Books should be (.+)$")
+    public void verifyBookTitlesEqualTo(String titles) throws Throwable {
+        for (Book result : results) {
+            assertThat(titles, containsString(result.getTitle()));
+        }
+    }
+}

app/src/test/java/com/codemate/booklibrary/ui/MainPresenterTest.java

@@ -0,0 +1,56 @@
+package com.codemate.booklibrary.ui;
+
+import com.codemate.booklibrary.data.Book;
+import com.codemate.booklibrary.data.Library;
+import com.codemate.booklibrary.data.RandomBookGenerator;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.List;
+
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Created by ironman on 02/09/16.
+ */
+public class MainPresenterTest {
+
+    @Mock
+    private MainView mainView;
+
+    @Mock
+    private Library library;
+
+    private MainPresenter presenter;
+    private List<Book> randomBooks;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        presenter = new MainPresenter(mainView, library);
+        randomBooks = RandomBookGenerator.randomBooks(5);
+    }
+
+    @Test
+    public void searchForBooks_ShowsThemInUI() {
+        when(library.search(anyString()))
+                .thenReturn(randomBooks);
+        presenter.searchForBooks("test_search");
+
+        verify(mainView).showBooks(randomBooks);
+    }
+
+    @Test
+    public void loadAllBooks_ShowsThemInUI() {
+        when(library.getAllBooks())
+                .thenReturn(randomBooks);
+        presenter.loadAllBooks();
+
+        verify(mainView).showBooks(randomBooks);
+    }
+}

app/src/test/resources/com.codemate.booklibrary/booksearch.feature

@@ -0,0 +1,43 @@
+Feature: Book Search
+  A customer must be able to search books by year, author or title
+
+  Background:
+    Given the library has a book with title "How to be awesome", written by "Iiro Krankka", published in 16 May 2016
+    And a book with title "My life as an awesome guy", written by "Iiro Krankka", published in 27 July 2016
+    And a book with title "I think my teacher is an asshat", written by "John Doe", published in 01 January 2010
+
+  Scenario: List all books
+    When the customer wants to know all books in the library
+    Then 3 books should be found
+      And Book 1 should have the title "How to be awesome"
+      And Book 2 should have the title "My life as an awesome guy"
+      And Book 3 should have the title "I think my teacher is an asshat"
+
+  Scenario: Search books by year
+    When the customer searches for books published in year 2016
+    Then 2 books should be found
+      And Book 1 should have the title "How to be awesome"
+      And Book 2 should have the title "My life as an awesome guy"
+
+  Scenario Outline: Search books by author
+    When the customer searches for books by author <author>
+    Then 2 books should be found
+      And Book 1 should have the title "How to be awesome"
+      And Book 2 should have the title "My life as an awesome guy"
+
+    Examples:
+      | author         |
+      | "Iiro"         |
+      | "Krankka"      |
+      | "Iiro Krankka" |
+
+  Scenario Outline: Search books by title
+    When the customer searches for books with title <searched_title>
+    Then <search_results_count> books should be found
+      And Books should be <search_results>
+
+    Examples:
+      | searched_title | search_results_count | search_results                                      |
+      | "Awesome"      | 2                    | "How to be awesome" and "My life as an awesome guy" |
+      | "asshat"       | 1                    | "I think my teacher is an asshat"                   |
+      | "How to be"    | 1                    | "How to be awesome"                                 |