Add tests for HabitStreakView

app/src/androidTest/java/org/isoron/uhabits/unit/views/HabitStreakViewTest.java

@@ -0,0 +1,64 @@
+/*
+ * 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.unit.views;
+
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.SmallTest;
+import android.util.Log;
+
+import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.unit.HabitFixtures;
+import org.isoron.uhabits.views.HabitStreakView;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class HabitStreakViewTest extends ViewTest
+{
+    private HabitStreakView view;
+
+    @Before
+    public void setup()
+    {
+        super.setup();
+
+        HabitFixtures.purgeHabits();
+        Habit habit = HabitFixtures.createLongHabit();
+
+        view = new HabitStreakView(targetContext);
+        view.setHabit(habit);
+        measureView(dpToPixels(300), dpToPixels(100), view);
+    }
+
+    @Test
+    public void render() throws Throwable
+    {
+        assertRenders(view, "HabitStreakView/render.png");
+    }
+
+    @Test
+    public void render_withSmallSize() throws Throwable
+    {
+        measureView(dpToPixels(100), dpToPixels(100), view);
+        assertRenders(view, "HabitStreakView/renderSmallSize.png");
+    }
+}

app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java

@@ -62,11 +62,16 @@ public class HabitStreakView extends View implements HabitDataView
     private boolean shouldShowLabels;
     private int maxStreakCount;
 
+    public HabitStreakView(Context context)
+    {
+        super(context);
+        init();
+    }
+
     public HabitStreakView(Context context, AttributeSet attrs)
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
-        streaks = Collections.emptyList();
         init();
     }
 
@@ -83,6 +88,8 @@ public class HabitStreakView extends View implements HabitDataView
         createPaints();
         createColors();
 
+        streaks = Collections.emptyList();
+
         dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM);
         dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
         rect = new RectF();