Write tests for HintView

app/build.gradle

@@ -78,6 +78,9 @@ dependencies {
     androidTestCompile 'com.android.support:support-annotations:23.3.0'
     androidTestCompile 'com.android.support.test:runner:0.5'
     androidTestCompile 'com.android.support.test:rules:0.5'
+    androidTestCompile 'org.mockito:mockito-core:1.10.19'
+    androidTestCompile "com.google.dexmaker:dexmaker:1.2"
+    androidTestCompile 'com.google.dexmaker:dexmaker-mockito:1.2'
 
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.1') {
         exclude group: 'com.android.support'

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

@@ -30,6 +30,7 @@ import org.isoron.uhabits.utils.*;
 
 import java.io.*;
 
+import static android.view.View.MeasureSpec.*;
 import static junit.framework.Assert.*;
 
 public class BaseViewTest extends BaseAndroidTest
@@ -53,6 +54,9 @@ public class BaseViewTest extends BaseAndroidTest
         StringBuilder errorMessage = new StringBuilder();
         expectedImagePath = getVersionedViewAssetPath(expectedImagePath);
 
+        if (view.isLayoutRequested()) measureView(view, view.getMeasuredWidth(),
+            view.getMeasuredHeight());
+
         view.setDrawingCacheEnabled(true);
         view.buildDrawingCache();
         Bitmap actual = view.getDrawingCache();
@@ -80,7 +84,7 @@ public class BaseViewTest extends BaseAndroidTest
             saveBitmap(expectedImagePath, ".expected", scaledExpected);
             String path = saveBitmap(expectedImagePath, "", actual);
             errorMessage.append(
-                String.format("Actual rendered image " + "saved to %s", path));
+                String.format("Actual rendered image saved to %s", path));
             fail(errorMessage.toString());
         }
 
@@ -88,6 +92,20 @@ public class BaseViewTest extends BaseAndroidTest
         scaledExpected.recycle();
     }
 
+    @NonNull
+    protected FrameLayout convertToView(BaseWidget widget,
+                                        int width,
+                                        int height)
+    {
+        widget.setDimensions(
+            new WidgetDimensions(width, height, width, height));
+        FrameLayout view = new FrameLayout(targetContext);
+        RemoteViews remoteViews = widget.getPortraitRemoteViews();
+        view.addView(remoteViews.apply(targetContext, view));
+        measureView(view, width, height);
+        return view;
+    }
+
     protected int dpToPixels(int dp)
     {
         return (int) InterfaceUtils.dpToPixels(targetContext, dp);
@@ -95,10 +113,8 @@ public class BaseViewTest extends BaseAndroidTest
 
     protected void measureView(View view, int width, int height)
     {
-        int specWidth =
-            View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.EXACTLY);
-        int specHeight =
-            View.MeasureSpec.makeMeasureSpec(height, View.MeasureSpec.EXACTLY);
+        int specWidth = makeMeasureSpec(width, View.MeasureSpec.EXACTLY);
+        int specHeight = makeMeasureSpec(height, View.MeasureSpec.EXACTLY);
 
         view.measure(specWidth, specHeight);
         view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
@@ -109,6 +125,13 @@ public class BaseViewTest extends BaseAndroidTest
         this.similarityCutoff = similarityCutoff;
     }
 
+    protected void skipAnimation(View view)
+    {
+        ViewPropertyAnimator animator = view.animate();
+        animator.setDuration(0);
+        animator.start();
+    }
+
     protected void tap(GestureDetector.OnGestureListener view, int x, int y)
         throws InterruptedException
     {
@@ -142,20 +165,6 @@ public class BaseViewTest extends BaseAndroidTest
         return (double) diff / total / 2;
     }
 
-    @NonNull
-    protected FrameLayout convertToView(BaseWidget widget,
-                                        int width,
-                                        int height)
-    {
-        widget.setDimensions(
-            new WidgetDimensions(width, height, width, height));
-        FrameLayout view = new FrameLayout(targetContext);
-        RemoteViews remoteViews = widget.getPortraitRemoteViews();
-        view.addView(remoteViews.apply(targetContext, view));
-        measureView(view, width, height);
-        return view;
-    }
-
     private Bitmap getBitmapFromAssets(String path) throws IOException
     {
         InputStream stream = testContext.getAssets().open(path);

app/src/androidTest/java/org/isoron/uhabits/ui/habits/list/views/HintViewTest.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.ui.habits.list.views;
+
+import android.support.test.runner.*;
+import android.test.suitebuilder.annotation.*;
+
+import org.isoron.uhabits.*;
+import org.isoron.uhabits.ui.habits.list.model.*;
+import org.junit.*;
+import org.junit.runner.*;
+
+import static org.hamcrest.MatcherAssert.*;
+import static org.hamcrest.Matchers.*;
+import static org.mockito.Mockito.*;
+
+@RunWith(AndroidJUnit4.class)
+@MediumTest
+public class HintViewTest extends BaseViewTest
+{
+    public static final String PATH = "habits/list/HintView/";
+
+    private HintView view;
+
+    private HintList list;
+
+    @Before
+    @Override
+    public void setUp()
+    {
+        super.setUp();
+
+        view = new HintView(targetContext);
+        list = mock(HintList.class);
+        view.setHints(list);
+        measureView(view, 400, 200);
+
+        String text =
+            "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
+
+        when(list.shouldShow()).thenReturn(true);
+        when(list.pop()).thenReturn(text);
+
+        view.showNext();
+        skipAnimation(view);
+    }
+
+    @Test
+    public void testRender() throws Exception
+    {
+        assertRenders(view, PATH + "render.png");
+    }
+
+    @Test
+    public void testClick() throws Exception
+    {
+        assertThat(view.getAlpha(), equalTo(1f));
+        view.performClick();
+        skipAnimation(view);
+        assertThat(view.getAlpha(), equalTo(0f));
+    }
+}

app/src/main/java/org/isoron/uhabits/ui/habits/list/views/HintView.java

@@ -56,12 +56,6 @@ public class HintView extends FrameLayout
         init();
     }
 
-    public HintView(Context context, AttributeSet attrs, int defStyleAttr)
-    {
-        super(context, attrs, defStyleAttr);
-        init();
-    }
-
     @Override
     public void onAttachedToWindow()
     {
@@ -113,7 +107,7 @@ public class HintView extends FrameLayout
         setAlpha(1.0f);
     }
 
-    private void showNext()
+    protected void showNext()
     {
         if (hintList == null) return;
         if (!hintList.shouldShow()) return;
@@ -122,6 +116,8 @@ public class HintView extends FrameLayout
         if (hint == null) return;
 
         hintContent.setText(hint);
+        requestLayout();
+
         setAlpha(0.0f);
         setVisibility(View.VISIBLE);
         animate().alpha(1f).setDuration(500);