1 files changed, 132 insertions, 0 deletions
diff --git a/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/template/RecyclerMixinTest.java b/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/template/RecyclerMixinTest.java
new file mode 100644
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--- /dev/null
+++ b/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/template/RecyclerMixinTest.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.setupwizardlib.template;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.mockito.AdditionalAnswers.delegatesTo;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.InsetDrawable;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.RecyclerView.Adapter;
+import android.view.View;
+
+import com.android.setupwizardlib.TemplateLayout;
+import com.android.setupwizardlib.test.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class RecyclerMixinTest {
+
+    private Context mContext;
+    private TemplateLayout mTemplateLayout;
+
+    private RecyclerView mRecyclerView;
+
+    @Mock
+    private Adapter mAdapter;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = InstrumentationRegistry.getTargetContext();
+        mTemplateLayout = spy(new TemplateLayout(mContext, R.layout.test_template,
+                R.id.suw_layout_content));
+
+        mRecyclerView = mock(RecyclerView.class, delegatesTo(new RecyclerView(mContext)));
+
+        doReturn(true).when(mTemplateLayout).isLayoutDirectionResolved();
+    }
+
+    @Test
+    public void testGetRecyclerView() {
+        RecyclerMixin mixin = new RecyclerMixin(mTemplateLayout, mRecyclerView);
+        assertSame(mRecyclerView, mixin.getRecyclerView());
+    }
+
+    @Test
+    public void testGetAdapter() {
+        mRecyclerView.setAdapter(mAdapter);
+
+        RecyclerMixin mixin = new RecyclerMixin(mTemplateLayout, mRecyclerView);
+        assertSame(mAdapter, mixin.getAdapter());
+    }
+
+    @Test
+    public void testSetAdapter() {
+        assertNull(mRecyclerView.getAdapter());
+
+        RecyclerMixin mixin = new RecyclerMixin(mTemplateLayout, mRecyclerView);
+        mixin.setAdapter(mAdapter);
+
+        assertSame(mAdapter, mRecyclerView.getAdapter());
+    }
+
+    @Test
+    public void testDividerInset() {
+        RecyclerMixin mixin = new RecyclerMixin(mTemplateLayout, mRecyclerView);
+        mixin.setDividerInset(123);
+
+        assertEquals(123, mixin.getDividerInset());
+
+        final Drawable divider = mixin.getDivider();
+        InsetDrawable insetDrawable = (InsetDrawable) divider;
+        Rect rect = new Rect();
+        insetDrawable.getPadding(rect);
+
+        assertEquals(new Rect(123, 0, 0, 0), rect);
+    }
+
+    @Test
+    public void testDividerInsetRtl() {
+        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
+            doReturn(View.LAYOUT_DIRECTION_RTL).when(mTemplateLayout).getLayoutDirection();
+
+            RecyclerMixin mixin = new RecyclerMixin(mTemplateLayout, mRecyclerView);
+            mixin.setDividerInset(123);
+
+            assertEquals(123, mixin.getDividerInset());
+
+            final Drawable divider = mixin.getDivider();
+            InsetDrawable insetDrawable = (InsetDrawable) divider;
+            Rect rect = new Rect();
+            insetDrawable.getPadding(rect);
+
+            assertEquals(new Rect(0, 0, 123, 0), rect);
+        }
+        // else the test passes
+    }
+}