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Diffstat (limited to 'tests')
-rw-r--r-- | tests/src/com/android/launcher3/shortcuts/ShortcutFilterTest.java | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/tests/src/com/android/launcher3/shortcuts/ShortcutFilterTest.java b/tests/src/com/android/launcher3/shortcuts/ShortcutFilterTest.java new file mode 100644 index 000000000..05d0ffb8c --- /dev/null +++ b/tests/src/com/android/launcher3/shortcuts/ShortcutFilterTest.java @@ -0,0 +1,139 @@ +/* + * Copyright (C) 2016 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.shortcuts; + +import android.content.pm.ShortcutInfo; +import android.support.test.runner.AndroidJUnit4; + +import org.junit.Test; +import org.junit.runner.RunWith; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import static com.android.launcher3.shortcuts.ShortcutFilter.MAX_SHORTCUTS; +import static com.android.launcher3.shortcuts.ShortcutFilter.NUM_DYNAMIC; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +/** + * Tests the sorting and filtering of shortcuts in {@link ShortcutFilter}. + */ +@RunWith(AndroidJUnit4.class) +public class ShortcutFilterTest { + + @Test + public void testSortAndFilterShortcuts() { + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(3, 0), 3, 0); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(0, 3), 0, 3); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(5, 0), MAX_SHORTCUTS, 0); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(0, 5), 0, MAX_SHORTCUTS); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(3, 3), + MAX_SHORTCUTS - NUM_DYNAMIC, NUM_DYNAMIC); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(5, 5), + MAX_SHORTCUTS - NUM_DYNAMIC, NUM_DYNAMIC); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(5, 1), MAX_SHORTCUTS - 1, 1); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(1, 5), 1, MAX_SHORTCUTS - 1); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(5, 3), + MAX_SHORTCUTS - NUM_DYNAMIC, NUM_DYNAMIC); + filterShortcutsAndAssertNumStaticAndDynamic(createShortcutsList(3, 5), + MAX_SHORTCUTS - NUM_DYNAMIC, NUM_DYNAMIC); + } + + private void filterShortcutsAndAssertNumStaticAndDynamic( + List<ShortcutInfoCompat> shortcuts, int expectedStatic, int expectedDynamic) { + Collections.shuffle(shortcuts); + List<ShortcutInfoCompat> filteredShortcuts = ShortcutFilter.sortAndFilterShortcuts(shortcuts); + assertIsSorted(filteredShortcuts); + + int numStatic = 0; + int numDynamic = 0; + for (ShortcutInfoCompat shortcut : filteredShortcuts) { + if (shortcut.isDeclaredInManifest()) { + numStatic++; + } + if (shortcut.isDynamic()) { + numDynamic++; + } + } + assertEquals(expectedStatic, numStatic); + assertEquals(expectedDynamic, numDynamic); + } + + private void assertIsSorted(List<ShortcutInfoCompat> shortcuts) { + int lastStaticRank = -1; + int lastDynamicRank = -1; + boolean hasSeenDynamic = false; + for (ShortcutInfoCompat shortcut : shortcuts) { + int rank = shortcut.getRank(); + if (shortcut.isDeclaredInManifest()) { + assertFalse("Static shortcuts should come before all dynamic shortcuts.", + hasSeenDynamic); + assertTrue(rank > lastStaticRank); + lastStaticRank = rank; + } + if (shortcut.isDynamic()) { + hasSeenDynamic = true; + assertTrue(rank > lastDynamicRank); + lastDynamicRank = rank; + } + } + } + + private List<ShortcutInfoCompat> createShortcutsList(int numStatic, int numDynamic) { + List<ShortcutInfoCompat> shortcuts = new ArrayList<>(); + for (int i = 0; i < numStatic; i++) { + shortcuts.add(new Shortcut(true, i)); + } + for (int i = 0; i < numDynamic; i++) { + shortcuts.add(new Shortcut(false, i)); + } + return shortcuts; + } + + private class Shortcut extends ShortcutInfoCompat { + private boolean mIsStatic; + private int mRank; + + public Shortcut(ShortcutInfo shortcutInfo) { + super(shortcutInfo); + } + + public Shortcut(boolean isStatic, int rank) { + this(null); + mIsStatic = isStatic; + mRank = rank; + } + + @Override + public boolean isDeclaredInManifest() { + return mIsStatic; + } + + @Override + public boolean isDynamic() { + return !mIsStatic; + } + + @Override + public int getRank() { + return mRank; + } + } +}
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