Implement basic user interface tests

app/build.gradle

@@ -8,6 +8,8 @@ android {
         applicationId "org.isoron.uhabits"
         minSdkVersion 15
         targetSdkVersion 23
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -27,5 +29,11 @@ dependencies {
     compile 'com.github.paolorotolo:appintro:3.4.0'
     compile project(':libs:drag-sort-listview:library')
     compile files('libs/ActiveAndroid.jar')
+
+    androidTestCompile 'com.android.support:support-annotations:23.1.1'
+    androidTestCompile 'com.android.support.test:runner:0.4.1'
+    androidTestCompile 'com.android.support.test:rules:0.4.1'
+    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1'
+    androidTestCompile 'com.android.support.test.espresso:espresso-intents:2.2.1'
 }
 

app/src/androidTest/java/org/isoron/uhabits/HabitMatchers.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import android.view.View;
+import android.widget.Adapter;
+import android.widget.AdapterView;
+
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+import org.isoron.uhabits.models.Habit;
+
+public class HabitMatchers
+{
+    public static Matcher<Habit> withName(final String name)
+    {
+        return new TypeSafeMatcher<Habit>()
+        {
+            @Override
+            public boolean matchesSafely(Habit habit)
+            {
+                return habit.name.equals(name);
+            }
+
+            @Override
+            public void describeTo(Description description)
+            {
+                description.appendText("name should be ").appendText(name);
+            }
+
+            @Override
+            public void describeMismatchSafely(Habit habit, Description description)
+            {
+                description.appendText("was ").appendText(habit.name);
+            }
+        };
+    }
+
+    public static Matcher<View> containsHabit(final Matcher<Habit> matcher)
+    {
+        return new TypeSafeMatcher<View>()
+        {
+            @Override
+            protected boolean matchesSafely(View view)
+            {
+                Adapter adapter = ((AdapterView) view).getAdapter();
+                for (int i = 0; i < adapter.getCount(); i++)
+                    if (matcher.matches(adapter.getItem(i))) return true;
+
+                return false;
+            }
+
+            @Override
+            public void describeTo(Description description)
+            {
+                description.appendText("with class name: ");
+                matcher.describeTo(description);
+            }
+        };
+    }
+}

app/src/androidTest/java/org/isoron/uhabits/HabitViewActions.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import android.support.test.espresso.UiController;
+import android.support.test.espresso.ViewAction;
+import android.support.test.espresso.action.GeneralClickAction;
+import android.support.test.espresso.action.GeneralLocation;
+import android.support.test.espresso.action.Press;
+import android.support.test.espresso.action.Tap;
+import android.support.test.espresso.matcher.ViewMatchers;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import org.hamcrest.Matcher;
+
+import java.security.InvalidParameterException;
+
+public class HabitViewActions
+{
+    public static ViewAction toggleAllCheckmarks()
+    {
+        final GeneralClickAction clickAction =
+                new GeneralClickAction(Tap.LONG, GeneralLocation.CENTER, Press.FINGER);
+
+        return new ViewAction()
+        {
+            @Override
+            public Matcher<View> getConstraints()
+            {
+                return ViewMatchers.isDisplayed();
+            }
+
+            @Override
+            public String getDescription()
+            {
+                return "toggleAllCheckmarks";
+            }
+
+            @Override
+            public void perform(UiController uiController, View view)
+            {
+                if (view.getId() != R.id.llButtons)
+                    throw new InvalidParameterException("View must have id llButtons");
+
+                LinearLayout llButtons = (LinearLayout) view;
+                int count = llButtons.getChildCount();
+
+                for (int i = 0; i < count; i++)
+                {
+                    TextView tvButton = (TextView) llButtons.getChildAt(i);
+                    clickAction.perform(uiController, tvButton);
+                }
+            }
+        };
+    }
+}

app/src/androidTest/java/org/isoron/uhabits/MainActivityTest.java

@@ -0,0 +1,252 @@
+package org.isoron.uhabits;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.espresso.NoMatchingViewException;
+import android.support.test.espresso.intent.rule.IntentsTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.isoron.uhabits.models.Habit;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+
+import static android.support.test.espresso.Espresso.onData;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.Espresso.openActionBarOverflowOrOptionsMenu;
+import static android.support.test.espresso.Espresso.pressBack;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.longClick;
+import static android.support.test.espresso.action.ViewActions.replaceText;
+import static android.support.test.espresso.action.ViewActions.scrollTo;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.withClassName;
+import static android.support.test.espresso.matcher.ViewMatchers.withContentDescription;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static org.hamcrest.Matchers.allOf;
+import static org.hamcrest.Matchers.endsWith;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
+import static org.isoron.uhabits.HabitMatchers.containsHabit;
+import static org.isoron.uhabits.HabitMatchers.withName;
+import static org.isoron.uhabits.HabitViewActions.toggleAllCheckmarks;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class MainActivityTest
+{
+    @Rule
+    public IntentsTestRule<MainActivity> activityRule = new IntentsTestRule<>(
+            MainActivity.class);
+
+    @Before
+    public void skipTutorial()
+    {
+        try
+        {
+            for (int i = 0; i < 10; i++)
+                onView(allOf(withClassName(endsWith("AppCompatImageButton")),
+                        isDisplayed())).perform(click());
+        }
+        catch (NoMatchingViewException e)
+        {
+            // ignored
+        }
+    }
+
+    public String addHabit()
+    {
+        return addHabit(false);
+    }
+
+    public String addHabit(boolean openDialogs)
+    {
+        String name = "New Habit " + new Random().nextInt(1000000);
+        String description = "Did you perform your new habit today?";
+        String num = "4";
+        String den = "8";
+
+        onView(withId(R.id.action_add))
+                .perform(click());
+
+        typeHabitData(name, description, num, den);
+
+        if(openDialogs)
+        {
+            onView(withId(R.id.buttonPickColor))
+                    .perform(click());
+            pressBack();
+            onView(withId(R.id.inputReminderTime))
+                    .perform(click());
+            onView(withText("Done"))
+                    .perform(click());
+            onView(withId(R.id.inputReminderDays))
+                    .perform(click());
+            onView(withText("OK"))
+                    .perform(click());
+        }
+
+        onView(withId(R.id.buttonSave))
+                .perform(click());
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label));
+
+        return name;
+    }
+
+    private void typeHabitData(String name, String description, String num, String den)
+    {
+        onView(withId(R.id.input_name))
+                .perform(replaceText(name));
+        onView(withId(R.id.input_description))
+                .perform(replaceText(description));
+        onView(withId(R.id.input_freq_num))
+                .perform(replaceText(num));
+        onView(withId(R.id.input_freq_den))
+                .perform(replaceText(den));
+    }
+
+    private void selectHabits(List<String> names)
+    {
+        boolean first = true;
+        for(String name : names)
+        {
+            onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                    .onChildView(withId(R.id.label))
+                    .perform(first ? longClick() : click());
+
+            first = false;
+        }
+    }
+
+    private void assertHabitsDontExist(List<String> names)
+    {
+        for(String name : names)
+            onView(withId(R.id.listView))
+                    .check(matches(not(containsHabit(withName(name)))));
+    }
+
+    private void assertHabitExists(String name)
+    {
+        List<String> names = new LinkedList<>();
+        names.add(name);
+        assertHabitsExist(names);
+    }
+
+    private void assertHabitsExist(List<String> names)
+    {
+        for(String name : names)
+            onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                    .check(matches(isDisplayed()));
+    }
+
+    private void deleteHabit(String name)
+    {
+        LinkedList<String> names = new LinkedList<>();
+        names.add(name);
+        deleteHabits(names);
+    }
+
+    private void deleteHabits(List<String> names)
+    {
+        Context context = InstrumentationRegistry.getTargetContext();
+
+        selectHabits(names);
+
+        openActionBarOverflowOrOptionsMenu(context);
+
+        onView(withText(R.string.delete))
+                .perform(click());
+        onView(withText("OK"))
+                .perform(click());
+
+        assertHabitsDontExist(names);
+    }
+
+    @Test
+    public void testArchiveHabits()
+    {
+        List<String> names = new LinkedList<>();
+        Context context = InstrumentationRegistry.getTargetContext();
+
+        for(int i = 0; i < 3; i++)
+            names.add(addHabit());
+
+        selectHabits(names);
+        onView(withContentDescription(R.string.archive))
+                .perform(click());
+        assertHabitsDontExist(names);
+
+        openActionBarOverflowOrOptionsMenu(context);
+        onView(withText(R.string.show_archived))
+                .perform(click());
+
+        assertHabitsExist(names);
+        deleteHabits(names);
+    }
+
+    @Test
+    public void testAddInvalidHabit()
+    {
+        typeHabitData("", "", "15", "7");
+        onView(withId(R.id.buttonSave)).perform(click());
+        onView(withId(R.id.input_name)).check(matches(isDisplayed()));
+    }
+
+    @Test
+    public void testToggleCheckmarks()
+    {
+        String name = addHabit();
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.llButtons))
+                .perform(toggleAllCheckmarks());
+
+        deleteHabit(name);
+    }
+
+    @Test
+    public void testAddHabit()
+    {
+        String name = addHabit(true);
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label))
+                .perform(click());
+
+        onView(withId(R.id.punchcardView))
+                .perform(scrollTo());
+    }
+
+    @Test
+    public void testEditHabit()
+    {
+        String name = addHabit();
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label))
+                .perform(longClick());
+
+        onView(withContentDescription(R.string.edit))
+                .perform(click());
+
+        String modifiedName = "Modified " + new Random().nextInt(10000);
+        typeHabitData(modifiedName, "", "1", "1");
+
+        onView(withId(R.id.buttonSave))
+                .perform(click());
+
+        assertHabitExists(modifiedName);
+        deleteHabit(modifiedName);
+    }
+}

app/src/main/java/org/isoron/uhabits/fragments/HabitListAdapter.java

@@ -59,7 +59,7 @@ class HabitListAdapter extends BaseAdapter
     }
 
     @Override
-    public Object getItem(int position)
+    public Habit getItem(int position)
     {
         return loader.habitsList.get(position);
     }
@@ -67,7 +67,7 @@ class HabitListAdapter extends BaseAdapter
     @Override
     public long getItemId(int position)
     {
-        return ((Habit) getItem(position)).getId();
+        return (getItem(position)).getId();
     }
 
     @Override