Merge "Test Week - Add test for PageIndicatorDots.java" into main

src/com/android/launcher3/pageindicators/PageIndicatorDots.java

@@ -43,6 +43,7 @@ import android.view.animation.Interpolator;
 import android.view.animation.OvershootInterpolator;
 
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
@@ -131,7 +132,8 @@ public class PageIndicatorDots extends View implements Insettable, PageIndicator
     private float mCurrentPosition;
     private float mFinalPosition;
     private boolean mIsScrollPaused;
-    private boolean mIsTwoPanels;
+    @VisibleForTesting
+    boolean mIsTwoPanels;
     private ObjectAnimator mAnimator;
     private @Nullable ObjectAnimator mAlphaAnimator;
 
@@ -477,6 +479,21 @@ public class PageIndicatorDots extends View implements Insettable, PageIndicator
         return sTempRect;
     }
 
+    @VisibleForTesting
+    int getActivePage() {
+        return mActivePage;
+    }
+
+    @VisibleForTesting
+    int getNumPages() {
+        return mNumPages;
+    }
+
+    @VisibleForTesting
+    float getCurrentPosition() {
+        return mCurrentPosition;
+    }
+
     private class MyOutlineProver extends ViewOutlineProvider {
 
         @Override

tests/src/com/android/launcher3/pageindicators/PageIndicatorDotsTest.kt

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 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.launcher3.pageindicators
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import com.android.launcher3.util.ActivityContextWrapper
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+import org.mockito.Mockito
+
+class PageIndicatorDotsTest {
+
+    private val context: Context =
+        ActivityContextWrapper(ApplicationProvider.getApplicationContext())
+    private val pageIndicatorDots: PageIndicatorDots = Mockito.spy(PageIndicatorDots(context))
+
+    @Test
+    fun `setActiveMarker should set the active page to the parameter passed`() {
+        pageIndicatorDots.setActiveMarker(2)
+
+        assertEquals(2, pageIndicatorDots.activePage)
+    }
+
+    @Test
+    fun `setActiveMarker should set the active page to the parameter passed divided by two in two panel layouts`() {
+        pageIndicatorDots.mIsTwoPanels = true
+
+        pageIndicatorDots.setActiveMarker(5)
+
+        assertEquals(2, pageIndicatorDots.activePage)
+    }
+
+    @Test
+    fun `setMarkersCount should set the number of pages to the passed parameter and if the last page gets removed we want to go to the previous page`() {
+        pageIndicatorDots.setMarkersCount(3)
+
+        assertEquals(3, pageIndicatorDots.numPages)
+    }
+
+    @Test
+    fun `for setMarkersCount if the last page gets removed we want to go to the previous page`() {
+        pageIndicatorDots.setActiveMarker(2)
+
+        pageIndicatorDots.setMarkersCount(2)
+
+        assertEquals(1, pageIndicatorDots.activePage)
+        assertEquals(pageIndicatorDots.activePage.toFloat(), pageIndicatorDots.currentPosition)
+    }
+}