/
BadgeDrawableTest.java
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/
BadgeDrawableTest.java
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/*
* Copyright 2019 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.google.android.material.badge;
import com.google.android.material.R;
import static com.google.common.truth.Truth.assertThat;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Parcel;
import androidx.core.content.res.ResourcesCompat;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.Gravity;
import androidx.annotation.StyleRes;
import androidx.annotation.XmlRes;
import androidx.test.core.app.ApplicationProvider;
import com.google.android.material.badge.BadgeDrawable.SavedState;
import com.google.android.material.drawable.DrawableUtils;
import java.util.Locale;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
import org.robolectric.annotation.internal.DoNotInstrument;
/** Test for {@link BadgeDrawable} */
@RunWith(RobolectricTestRunner.class)
@DoNotInstrument
public class BadgeDrawableTest {
private static final int TEST_BADGE_NUMBER = 26;
private static final Locale TEST_BADGE_NUMBER_LOCALE = new Locale("ar");
private static final int TEST_BADGE_HORIZONTAL_OFFSET = 10;
private static final int TEST_BADGE_VERTICAL_OFFSET = 5;
private final Context context = ApplicationProvider.getApplicationContext();
@Before
public void themeApplicationContext() {
context.setTheme(R.style.Theme_MaterialComponents_Light);
}
@Test
public void testSavedState() {
int testBackgroundColor =
ResourcesCompat.getColor(
context.getResources(), android.R.color.holo_purple, context.getTheme());
int testBadgeTextColor =
ResourcesCompat.getColor(context.getResources(), android.R.color.white, context.getTheme());
BadgeDrawable badgeDrawable = BadgeDrawable.create(context);
SavedState drawableState = badgeDrawable.getSavedState();
badgeDrawable.setNumber(TEST_BADGE_NUMBER);
badgeDrawable.setBadgeGravity(BadgeDrawable.TOP_START);
badgeDrawable.setHorizontalOffset(TEST_BADGE_HORIZONTAL_OFFSET);
badgeDrawable.setVerticalOffset(TEST_BADGE_VERTICAL_OFFSET);
int additionalHorizontalOffset =
context
.getResources()
.getDimensionPixelOffset(R.dimen.mtrl_badge_toolbar_action_menu_item_horizontal_offset);
badgeDrawable.setAdditionalHorizontalOffset(additionalHorizontalOffset);
int additionalVerticalOffset =
context
.getResources()
.getDimensionPixelOffset(R.dimen.mtrl_badge_toolbar_action_menu_item_vertical_offset);
badgeDrawable.setAdditionalVerticalOffset(additionalVerticalOffset);
badgeDrawable.setBackgroundColor(testBackgroundColor);
badgeDrawable.setBadgeTextColor(testBadgeTextColor);
badgeDrawable.setVisible(false);
badgeDrawable.setBadgeNumberLocale(TEST_BADGE_NUMBER_LOCALE);
Parcel parcel = Parcel.obtain();
drawableState.writeToParcel(parcel, drawableState.describeContents());
parcel.setDataPosition(0);
SavedState createdFromParcel = SavedState.CREATOR.createFromParcel(parcel);
BadgeDrawable restoredBadgeDrawable =
BadgeDrawable.createFromSavedState(context, createdFromParcel);
assertThat(restoredBadgeDrawable.getNumber()).isEqualTo(TEST_BADGE_NUMBER);
assertThat(restoredBadgeDrawable.getBackgroundColor()).isEqualTo(testBackgroundColor);
assertThat(restoredBadgeDrawable.getBadgeTextColor()).isEqualTo(testBadgeTextColor);
// Values based on the default badge style.
assertThat(restoredBadgeDrawable.getAlpha()).isEqualTo(255);
assertThat(restoredBadgeDrawable.getMaxCharacterCount()).isEqualTo(4);
assertThat(restoredBadgeDrawable.getBadgeGravity()).isEqualTo(BadgeDrawable.TOP_START);
// badge offsets
assertThat(restoredBadgeDrawable.getHorizontalOffset()).isEqualTo(TEST_BADGE_HORIZONTAL_OFFSET);
assertThat(restoredBadgeDrawable.getVerticalOffset()).isEqualTo(TEST_BADGE_VERTICAL_OFFSET);
// Additional badge offsets
assertThat(restoredBadgeDrawable.getAdditionalHorizontalOffset())
.isEqualTo(additionalHorizontalOffset);
assertThat(restoredBadgeDrawable.getAdditionalVerticalOffset())
.isEqualTo(additionalVerticalOffset);
// badge visibility
assertThat(restoredBadgeDrawable.isVisible()).isFalse();
// badge number locale
assertThat(restoredBadgeDrawable.getBadgeNumberLocale()).isEqualTo(TEST_BADGE_NUMBER_LOCALE);
}
// Verify that the hardcoded badge gravity attribute values match their piped Gravity counter
// parts.
@Test
public void testBadgeGravityAttributeValue_topEnd() {
testBadgeGravityValueHelper(R.xml.standalone_badge, Gravity.TOP | Gravity.END);
}
@Test
public void testBadgeGravityAttributeValue_topStart() {
testBadgeGravityValueHelper(
R.xml.standalone_badge_gravity_top_start, Gravity.TOP | Gravity.START);
}
@Test
public void testBadgeGravityAttributeValue_bottomEnd() {
testBadgeGravityValueHelper(
R.xml.standalone_badge_gravity_bottom_end, Gravity.BOTTOM | Gravity.END);
}
@Test
public void testBadgeGravityAttributeValue_bottomStart() {
testBadgeGravityValueHelper(
R.xml.standalone_badge_gravity_bottom_start, Gravity.BOTTOM | Gravity.START);
}
@Test
@Config(qualifiers = "w360dp-h640dp-xhdpi")
public void testHorizontalOffset() {
BadgeDrawable badgeDrawable =
BadgeDrawable.createFromResource(context, R.xml.standalone_badge_offset);
assertThat(badgeDrawable.getHorizontalOffset()).isEqualTo(dpToPx(TEST_BADGE_HORIZONTAL_OFFSET));
}
@Test
@Config(qualifiers = "w360dp-h640dp-xhdpi")
public void testVerticalOffset() {
BadgeDrawable badgeDrawable =
BadgeDrawable.createFromResource(context, R.xml.standalone_badge_offset);
assertThat(badgeDrawable.getVerticalOffset()).isEqualTo(dpToPx(TEST_BADGE_VERTICAL_OFFSET));
}
private void testBadgeGravityValueHelper(@XmlRes int xmlId, int expectedValue) {
TypedArray a = getTypedArray(xmlId);
int value = 0;
if (a.hasValue(R.styleable.Badge_badgeGravity)) {
value = a.getInt(R.styleable.Badge_badgeGravity, 0);
}
assertThat(value).isEqualTo(expectedValue);
a.recycle();
}
private TypedArray getTypedArray(@XmlRes int xmlId) {
AttributeSet attrs = DrawableUtils.parseDrawableXml(context, xmlId, "badge");
@StyleRes int style = attrs.getStyleAttribute();
if (style == 0) {
style = R.style.Widget_MaterialComponents_Badge;
}
return context
.getTheme()
.obtainStyledAttributes(attrs, R.styleable.Badge, R.attr.badgeStyle, style);
}
private int dpToPx(float dp) {
return (int)
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
}
}