| // Copyright 2018 The Feed Authors. |
| // |
| // 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.libraries.feed.piet; |
| |
| import static com.google.android.libraries.feed.common.testing.RunnableSubject.assertThatRunnable; |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyBoolean; |
| import static org.mockito.ArgumentMatchers.anyString; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.atLeastOnce; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.inOrder; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import static org.mockito.MockitoAnnotations.initMocks; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.graphics.Color; |
| import android.graphics.Typeface; |
| import android.os.Build.VERSION_CODES; |
| import android.text.Layout; |
| import android.text.TextUtils.TruncateAt; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.widget.TextView; |
| import com.google.android.libraries.feed.common.functional.Consumer; |
| import com.google.android.libraries.feed.common.time.testing.FakeClock; |
| import com.google.android.libraries.feed.common.ui.LayoutUtils; |
| import com.google.android.libraries.feed.piet.DebugLogger.MessageType; |
| import com.google.android.libraries.feed.piet.TextElementAdapter.TextElementKey; |
| import com.google.android.libraries.feed.piet.host.AssetProvider; |
| import com.google.android.libraries.feed.piet.host.TypefaceProvider; |
| import com.google.android.libraries.feed.piet.host.TypefaceProvider.GoogleSansTypeface; |
| import com.google.search.now.ui.piet.BindingRefsProto.StyleBindingRef; |
| import com.google.search.now.ui.piet.ElementsProto.CustomElement; |
| import com.google.search.now.ui.piet.ElementsProto.Element; |
| import com.google.search.now.ui.piet.ElementsProto.TextElement; |
| import com.google.search.now.ui.piet.ErrorsProto.ErrorCode; |
| import com.google.search.now.ui.piet.RoundedCornersProto.RoundedCorners; |
| import com.google.search.now.ui.piet.StylesProto; |
| import com.google.search.now.ui.piet.StylesProto.Font; |
| import com.google.search.now.ui.piet.StylesProto.Style; |
| import com.google.search.now.ui.piet.StylesProto.StyleIdsStack; |
| import com.google.search.now.ui.piet.StylesProto.TextAlignmentHorizontal; |
| import com.google.search.now.ui.piet.StylesProto.TextAlignmentVertical; |
| import com.google.search.now.ui.piet.StylesProto.Typeface.CommonTypeface; |
| import com.google.search.now.ui.piet.TextProto.ParameterizedText; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentMatchers; |
| import org.mockito.InOrder; |
| import org.mockito.Mock; |
| import org.robolectric.Robolectric; |
| import org.robolectric.RobolectricTestRunner; |
| import org.robolectric.annotation.Config; |
| |
| /** Tests of the {@link TextElementAdapter}. */ |
| @RunWith(RobolectricTestRunner.class) |
| public class TextElementAdapterTest { |
| @Mock private FrameContext frameContext; |
| @Mock private StyleProvider mockStyleProvider; |
| @Mock private HostProviders mockHostProviders; |
| @Mock private AssetProvider mockAssetProvider; |
| @Mock private TypefaceProvider mockTypefaceProvider; |
| |
| private AdapterParameters adapterParameters; |
| |
| private Context context; |
| |
| private TextElementAdapter adapter; |
| private int emptyTextElementLineHeight; |
| |
| @Before |
| public void setUp() { |
| initMocks(this); |
| context = Robolectric.buildActivity(Activity.class).get(); |
| |
| when(mockHostProviders.getAssetProvider()).thenReturn(mockAssetProvider); |
| when(mockAssetProvider.isRtL()).thenReturn(false); |
| when(mockStyleProvider.getRoundedCorners()).thenReturn(RoundedCorners.getDefaultInstance()); |
| when(mockStyleProvider.getTextAlignment()).thenReturn(Gravity.START | Gravity.TOP); |
| |
| adapterParameters = |
| new AdapterParameters( |
| null, |
| null, |
| mockHostProviders, |
| new ParameterizedTextEvaluator(new FakeClock()), |
| null, |
| null, |
| new FakeClock()); |
| |
| TextElementAdapter adapterForEmptyElement = |
| new TestTextElementAdapter(context, adapterParameters); |
| // Get emptyTextElementHeight based on a text element with no content or styles set. |
| Element textElement = getBaseTextElement(); |
| adapterForEmptyElement.createAdapter(textElement, frameContext); |
| emptyTextElementLineHeight = adapterForEmptyElement.getBaseView().getLineHeight(); |
| |
| adapter = new TestTextElementAdapter(context, adapterParameters); |
| } |
| |
| @Test |
| public void testHyphenationDisabled() { |
| assertThat(adapter.getBaseView().getBreakStrategy()).isEqualTo(Layout.BREAK_STRATEGY_SIMPLE); |
| } |
| |
| @Test |
| public void testCreateAdapter_setsStyles() { |
| Element textElement = getBaseTextElement(mockStyleProvider); |
| int color = Color.RED; |
| int maxLines = 72; |
| when(mockStyleProvider.getFont()).thenReturn(Font.getDefaultInstance()); |
| when(mockStyleProvider.getColor()).thenReturn(color); |
| when(mockStyleProvider.getMaxLines()).thenReturn(maxLines); |
| |
| adapter.createAdapter(textElement, frameContext); |
| |
| verify(mockStyleProvider).applyElementStyles(adapter); |
| assertThat(adapter.getBaseView().getMaxLines()).isEqualTo(maxLines); |
| assertThat(adapter.getBaseView().getEllipsize()).isEqualTo(TruncateAt.END); |
| assertThat(adapter.getBaseView().getCurrentTextColor()).isEqualTo(color); |
| } |
| |
| @Test |
| public void testSetFont_usesCommonFont() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface( |
| StylesProto.Typeface.newBuilder() |
| .setCommonTypeface(CommonTypeface.PLATFORM_DEFAULT_MEDIUM)) |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("notused")) |
| .build(); |
| |
| TextElementKey key = new TextElementKey(font); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| |
| verify(mockAssetProvider, never()) |
| .getTypeface(anyString(), anyBoolean(), ArgumentMatchers.<Consumer<Typeface>>any()); |
| } |
| |
| @Test |
| public void testSetFont_callsHost() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("goodfont")) |
| .build(); |
| TextElementKey key = new TextElementKey(font); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| |
| verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface(eq("goodfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| } |
| |
| @Test |
| public void testSetFont_callsHostWithItalic() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("goodfont")) |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("badfont")) |
| .setItalic(true) |
| .build(); |
| TextElementKey key = new TextElementKey(font); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| |
| verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface(eq("goodfont"), eq(true), ArgumentMatchers.<Consumer<Typeface>>any()); |
| } |
| |
| @Test |
| public void testSetFont_callsHostWithFallback() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("badfont")) |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("goodfont")) |
| .build(); |
| TextElementKey key = new TextElementKey(font); |
| // Consumer accepts null for badfont |
| doAnswer( |
| answer -> { |
| Consumer<Typeface> typefaceConsumer = answer.getArgument(2); |
| typefaceConsumer.accept(null); |
| return null; |
| }) |
| .when(mockAssetProvider) |
| .getTypeface(eq("badfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| // Consumer accepts hosttypeface for goodfont |
| Typeface hostTypeface = Typeface.create("host", Typeface.BOLD_ITALIC); |
| doAnswer( |
| answer -> { |
| Consumer<Typeface> typefaceConsumer = answer.getArgument(2); |
| typefaceConsumer.accept(hostTypeface); |
| return null; |
| }) |
| .when(mockAssetProvider) |
| .getTypeface(eq("goodfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| |
| Typeface typeface = adapter.getBaseView().getTypeface(); |
| assertThat(typeface).isEqualTo(hostTypeface); |
| InOrder inOrder = inOrder(mockAssetProvider); |
| inOrder |
| .verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface(eq("badfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| inOrder |
| .verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface(eq("goodfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| } |
| |
| // Same test as above, but on JB. Catches bugs that might only appear on older versions, like |
| // getting NPEs on getTypeface() (which is now fixed). |
| @Config(sdk = VERSION_CODES.JELLY_BEAN) |
| @Test |
| public void testSetFont_callsHostWithFallback_JB() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("badfont")) |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("goodfont")) |
| .build(); |
| TextElementKey key = new TextElementKey(font); |
| // Consumer accepts null for badfont |
| doAnswer( |
| answer -> { |
| Consumer<Typeface> typefaceConsumer = answer.getArgument(2); |
| typefaceConsumer.accept(null); |
| return null; |
| }) |
| .when(mockAssetProvider) |
| .getTypeface(eq("badfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| // Consumer accepts hosttypeface for goodfont |
| Typeface hostTypeface = Typeface.create("host", Typeface.BOLD_ITALIC); |
| doAnswer( |
| answer -> { |
| Consumer<Typeface> typefaceConsumer = answer.getArgument(2); |
| typefaceConsumer.accept(hostTypeface); |
| return null; |
| }) |
| .when(mockAssetProvider) |
| .getTypeface(eq("goodfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| |
| Typeface typeface = adapter.getBaseView().getTypeface(); |
| assertThat(typeface).isEqualTo(hostTypeface); |
| InOrder inOrder = inOrder(mockAssetProvider); |
| inOrder |
| .verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface(eq("badfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| inOrder |
| .verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface(eq("goodfont"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| } |
| |
| @Test |
| public void testSetFont_hostReturnsNull() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface(StylesProto.Typeface.newBuilder().setCustomTypeface("notvalid")) |
| .build(); |
| doAnswer( |
| answer -> { |
| Consumer<Typeface> typefaceConsumer = answer.getArgument(2); |
| typefaceConsumer.accept(null); |
| return null; |
| }) |
| .when(mockAssetProvider) |
| .getTypeface(eq("notvalid"), eq(false), ArgumentMatchers.<Consumer<Typeface>>any()); |
| TextElementKey key = new TextElementKey(font); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| Typeface typeface = adapter.getBaseView().getTypeface(); |
| |
| verify(frameContext) |
| .reportMessage( |
| MessageType.WARNING, |
| ErrorCode.ERR_MISSING_FONTS, |
| "Could not load specified typefaces."); |
| assertThat(typeface).isEqualTo(new TextView(context).getTypeface()); |
| } |
| |
| @Test |
| public void testSetFont_callsHostForGoogleSans() { |
| Font font = |
| Font.newBuilder() |
| .addTypeface( |
| StylesProto.Typeface.newBuilder() |
| .setCommonTypeface(CommonTypeface.GOOGLE_SANS_MEDIUM)) |
| .build(); |
| TextElementKey key = new TextElementKey(font); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| |
| verify(mockAssetProvider, atLeastOnce()) |
| .getTypeface( |
| eq(GoogleSansTypeface.GOOGLE_SANS_MEDIUM), |
| eq(false), |
| ArgumentMatchers.<Consumer<Typeface>>any()); |
| } |
| |
| @Test |
| public void testSetFont_italics() { |
| Font font = Font.newBuilder().setItalic(true).build(); |
| TextElementKey key = new TextElementKey(font); |
| |
| adapter.setValuesUsedInRecyclerKey(key, frameContext); |
| Typeface typeface = adapter.getBaseView().getTypeface(); |
| // Typeface.isBold and Typeface.isItalic don't work properly in roboelectric. |
| assertThat(typeface.getStyle() & Typeface.BOLD).isEqualTo(0); |
| assertThat(typeface.getStyle() & Typeface.ITALIC).isGreaterThan(0); |
| } |
| |
| @Test |
| public void testGoogleSansEnumToStringDef() { |
| assertThat(TextElementAdapter.googleSansEnumToStringDef(CommonTypeface.GOOGLE_SANS_REGULAR)) |
| .isEqualTo(GoogleSansTypeface.GOOGLE_SANS_REGULAR); |
| assertThat(TextElementAdapter.googleSansEnumToStringDef(CommonTypeface.GOOGLE_SANS_MEDIUM)) |
| .isEqualTo(GoogleSansTypeface.GOOGLE_SANS_MEDIUM); |
| assertThat(TextElementAdapter.googleSansEnumToStringDef(CommonTypeface.PLATFORM_DEFAULT_MEDIUM)) |
| .isEqualTo(GoogleSansTypeface.UNDEFINED); |
| } |
| |
| @Test |
| public void testSetLineHeight() { |
| int lineHeightToSetSp = 18; |
| Style lineHeightStyle1 = |
| Style.newBuilder().setFont(Font.newBuilder().setLineHeight(lineHeightToSetSp)).build(); |
| StyleProvider styleProvider1 = new StyleProvider(lineHeightStyle1, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider1); |
| |
| adapter.createAdapter(textElement, frameContext); |
| TextView textView = adapter.getBaseView(); |
| float actualLineHeightPx = textView.getLineHeight(); |
| int actualLineHeightSp = (int) LayoutUtils.pxToSp(actualLineHeightPx, textView.getContext()); |
| assertThat(actualLineHeightSp).isEqualTo(lineHeightToSetSp); |
| } |
| |
| @Test |
| public void testGetExtraLineHeight_roundDown() { |
| // Extra height is 40.2px. This gets rounded down between the lines (to 40) and rounded up |
| // for top and bottom padding (for 21 + 20 = 41). |
| initializeAdapterWithExtraLineHeightPx(40.2f); |
| |
| TextElementAdapter.ExtraLineHeight extraLineHeight = adapter.getExtraLineHeight(); |
| |
| assertThat(extraLineHeight.betweenLinesExtraPx()).isEqualTo(40); |
| assertThat(extraLineHeight.bottomPaddingPx()).isEqualTo(21); |
| assertThat(extraLineHeight.topPaddingPx()).isEqualTo(20); |
| } |
| |
| @Config(sdk = VERSION_CODES.KITKAT) |
| @Test |
| public void testGetExtraLineHeight_roundDown_kitkat() { |
| // Extra height is 40.2px. In KitKat and lower, 40 pixels (the amount added between lines) |
| // will have already been added to the bottom. To get to our desired value of 21 bottom pixels, |
| // the actual bottom padding must be -19 (40 - 19 = 21). |
| initializeAdapterWithExtraLineHeightPx(40.2f); |
| |
| TextElementAdapter.ExtraLineHeight extraLineHeight = adapter.getExtraLineHeight(); |
| |
| assertThat(extraLineHeight.betweenLinesExtraPx()).isEqualTo(40); |
| assertThat(extraLineHeight.bottomPaddingPx()).isEqualTo(-19); |
| assertThat(extraLineHeight.topPaddingPx()).isEqualTo(20); |
| } |
| |
| @Test |
| public void testGetExtraLineHeight_noRound() { |
| // Extra height is 40px. 40 pixels will be added between each line, and that amount is split |
| // (20 and 20) to be added to the top and bottom of the text element. |
| initializeAdapterWithExtraLineHeightPx(40.0f); |
| |
| TextElementAdapter.ExtraLineHeight extraLineHeight = adapter.getExtraLineHeight(); |
| |
| assertThat(extraLineHeight.betweenLinesExtraPx()).isEqualTo(40); |
| assertThat(extraLineHeight.bottomPaddingPx()).isEqualTo(20); |
| assertThat(extraLineHeight.topPaddingPx()).isEqualTo(20); |
| } |
| |
| @Config(sdk = VERSION_CODES.KITKAT) |
| @Test |
| public void testGetExtraLineHeight_noRound_kitkat() { |
| // Extra height is 40px. In KitKat and lower, 40 pixels (the amount added between lines) will |
| // have already been added to the bottom. To get to our desired value of 20 bottom pixels, the |
| // actual bottom padding must be -20 (40 - 20 = 20). |
| initializeAdapterWithExtraLineHeightPx(40.0f); |
| |
| TextElementAdapter.ExtraLineHeight extraLineHeight = adapter.getExtraLineHeight(); |
| |
| assertThat(extraLineHeight.betweenLinesExtraPx()).isEqualTo(40); |
| assertThat(extraLineHeight.bottomPaddingPx()).isEqualTo(-20); |
| assertThat(extraLineHeight.topPaddingPx()).isEqualTo(20); |
| } |
| |
| @Test |
| public void testGetExtraLineHeight_roundUp() { |
| // Extra height is 40.8px. This gets rounded up between the lines (to 41) and rounded down |
| // for top and bottom padding (for 20 + 20 = 40). |
| initializeAdapterWithExtraLineHeightPx(40.8f); |
| |
| TextElementAdapter.ExtraLineHeight extraLineHeight = adapter.getExtraLineHeight(); |
| |
| assertThat(extraLineHeight.betweenLinesExtraPx()).isEqualTo(41); |
| assertThat(extraLineHeight.bottomPaddingPx()).isEqualTo(20); |
| assertThat(extraLineHeight.topPaddingPx()).isEqualTo(20); |
| } |
| |
| @Config(sdk = VERSION_CODES.KITKAT) |
| @Test |
| public void testGetExtraLineHeight_roundUp_kitkat() { |
| // Extra height is 40.8px. In KitKat and lower, 41 pixels (the amount added between lines) |
| // will have already been added to the bottom. To get to our desired value of 20 bottom pixels, |
| // the actual bottom padding must be -21 (41 - 21 = 20). |
| initializeAdapterWithExtraLineHeightPx(40.8f); |
| |
| TextElementAdapter.ExtraLineHeight extraLineHeight = adapter.getExtraLineHeight(); |
| |
| assertThat(extraLineHeight.betweenLinesExtraPx()).isEqualTo(41); |
| assertThat(extraLineHeight.bottomPaddingPx()).isEqualTo(-21); |
| assertThat(extraLineHeight.topPaddingPx()).isEqualTo(20); |
| } |
| |
| private void initializeAdapterWithExtraLineHeightPx(float lineHeightPx) { |
| // Line height is specified in sp, so line height px = scaledDensity x line height sp |
| // These tests set display density because, in order to test the rounding behavior of |
| // extraLineHeight, we need a lineHeight integer (in sp) that results in a decimal value in px. |
| int lineHeightSp = 10; |
| float totalLineHeightPx = emptyTextElementLineHeight + lineHeightPx; |
| context.getResources().getDisplayMetrics().scaledDensity = totalLineHeightPx / lineHeightSp; |
| Style lineHeightStyle1 = |
| Style.newBuilder().setFont(Font.newBuilder().setLineHeight(lineHeightSp)).build(); |
| StyleProvider styleProvider1 = new StyleProvider(lineHeightStyle1, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider1); |
| adapter.createAdapter(textElement, frameContext); |
| } |
| |
| @Test |
| public void testBind_setsTextAlignment_horizontal() { |
| Style style = |
| Style.newBuilder() |
| .setTextAlignmentHorizontal(TextAlignmentHorizontal.TEXT_ALIGNMENT_CENTER) |
| .build(); |
| StyleProvider styleProvider = new StyleProvider(style, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider); |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| |
| assertThat(adapter.getBaseView().getGravity()) |
| .isEqualTo(Gravity.CENTER_HORIZONTAL | Gravity.TOP); |
| } |
| |
| @Test |
| public void testBind_setsTextAlignment_vertical() { |
| Style style = |
| Style.newBuilder() |
| .setTextAlignmentVertical(TextAlignmentVertical.TEXT_ALIGNMENT_BOTTOM) |
| .build(); |
| StyleProvider styleProvider = new StyleProvider(style, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider); |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| |
| assertThat(adapter.getBaseView().getGravity()).isEqualTo(Gravity.START | Gravity.BOTTOM); |
| } |
| |
| @Test |
| public void testBind_setsTextAlignment_both() { |
| Style style = |
| Style.newBuilder() |
| .setTextAlignmentHorizontal(TextAlignmentHorizontal.TEXT_ALIGNMENT_END) |
| .setTextAlignmentVertical(TextAlignmentVertical.TEXT_ALIGNMENT_MIDDLE) |
| .build(); |
| StyleProvider styleProvider = new StyleProvider(style, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider); |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| |
| assertThat(adapter.getBaseView().getGravity()).isEqualTo(Gravity.END | Gravity.CENTER_VERTICAL); |
| } |
| |
| @Test |
| public void testBind_setsTextAlignment_default() { |
| Style style = Style.getDefaultInstance(); |
| StyleProvider styleProvider = new StyleProvider(style, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider); |
| adapter.getBaseView().setGravity(Gravity.BOTTOM | Gravity.RIGHT); |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| |
| assertThat(adapter.getBaseView().getGravity()).isEqualTo(Gravity.START | Gravity.TOP); |
| } |
| |
| @Test |
| public void testBind_setsStylesOnlyIfBindingIsDefined() { |
| int maxLines = 2; |
| Style style = Style.newBuilder().setMaxLines(maxLines).build(); |
| StyleProvider styleProvider = new StyleProvider(style, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider); |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| assertThat(adapter.getBaseView().getMaxLines()).isEqualTo(maxLines); |
| |
| // Styles should not change on a re-bind |
| adapter.unbindModel(); |
| StyleIdsStack otherStyle = StyleIdsStack.newBuilder().addStyleIds("ignored").build(); |
| textElement = getBaseTextElement().toBuilder().setStyleReferences(otherStyle).build(); |
| adapter.bindModel(textElement, frameContext); |
| |
| assertThat(adapter.getBaseView().getMaxLines()).isEqualTo(maxLines); |
| verify(frameContext, never()).makeStyleFor(otherStyle); |
| |
| // Styles only change if new model has style bindings |
| adapter.unbindModel(); |
| StyleIdsStack otherStyleWithBinding = |
| StyleIdsStack.newBuilder() |
| .setStyleBinding(StyleBindingRef.newBuilder().setBindingId("prionailurus")) |
| .build(); |
| textElement = |
| getBaseTextElement().toBuilder().setStyleReferences(otherStyleWithBinding).build(); |
| adapter.bindModel(textElement, frameContext); |
| |
| verify(frameContext).makeStyleFor(otherStyleWithBinding); |
| } |
| |
| @Test |
| public void bindWithUpdatedDensity_shouldUpdateLineHeight() { |
| final int lineHeightInTextElement = 50; |
| context.getResources().getDisplayMetrics().scaledDensity = 1; |
| Style style = |
| Style.newBuilder() |
| .setFont(Font.newBuilder().setLineHeight(lineHeightInTextElement)) |
| .build(); |
| StyleProvider styleProvider = new StyleProvider(style, mockAssetProvider); |
| Element textElement = getBaseTextElement(styleProvider); |
| |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| assertThat(adapter.getBaseView().getLineHeight()).isEqualTo(lineHeightInTextElement); |
| |
| adapter.unbindModel(); |
| // Change line height by changing the scale density |
| context.getResources().getDisplayMetrics().scaledDensity = 2; |
| adapter.bindModel(textElement, frameContext); |
| // getLineHeight() still returns pixels. The number of pixels should have been updated to |
| // reflect the new density. |
| assertThat(adapter.getBaseView().getLineHeight()).isEqualTo(lineHeightInTextElement * 2); |
| |
| adapter.unbindModel(); |
| // Make sure the line height is updated again when the scale density is changed back. |
| context.getResources().getDisplayMetrics().scaledDensity = 1; |
| adapter.bindModel(textElement, frameContext); |
| assertThat(adapter.getBaseView().getLineHeight()).isEqualTo(lineHeightInTextElement); |
| } |
| |
| @Test |
| public void testUnbind() { |
| Element textElement = getBaseTextElement(null); |
| adapter.createAdapter(textElement, frameContext); |
| adapter.bindModel(textElement, frameContext); |
| |
| TextView adapterView = adapter.getBaseView(); |
| adapterView.setTextAlignment(View.TEXT_ALIGNMENT_VIEW_START); |
| adapterView.setText("OLD TEXT"); |
| |
| adapter.unbindModel(); |
| |
| assertThat(adapter.getBaseView()).isSameInstanceAs(adapterView); |
| assertThat(adapterView.getTextAlignment()).isEqualTo(View.TEXT_ALIGNMENT_GRAVITY); |
| assertThat(adapterView.getText().toString()).isEmpty(); |
| } |
| |
| @Test |
| public void testGetStyles() { |
| StyleIdsStack elementStyles = StyleIdsStack.newBuilder().addStyleIds("hair").build(); |
| when(mockStyleProvider.getFont()).thenReturn(Font.getDefaultInstance()); |
| Element textElement = |
| getBaseTextElement(mockStyleProvider).toBuilder().setStyleReferences(elementStyles).build(); |
| |
| adapter.createAdapter(textElement, frameContext); |
| |
| assertThat(adapter.getElementStyleIdsStack()).isSameInstanceAs(elementStyles); |
| } |
| |
| @Test |
| public void testGetModelFromElement() { |
| TextElement model = |
| TextElement.newBuilder() |
| .setParameterizedText(ParameterizedText.newBuilder().setText("text")) |
| .build(); |
| |
| Element elementWithModel = |
| Element.newBuilder() |
| .setStyleReferences(StyleIdsStack.newBuilder().addStyleIds("spacer")) |
| .setTextElement(model) |
| .build(); |
| assertThat(adapter.getModelFromElement(elementWithModel)).isSameInstanceAs(elementWithModel); |
| |
| Element elementWithWrongModel = |
| Element.newBuilder().setCustomElement(CustomElement.getDefaultInstance()).build(); |
| assertThatRunnable(() -> adapter.getModelFromElement(elementWithWrongModel)) |
| .throwsAnExceptionOfType(PietFatalException.class) |
| .that() |
| .hasMessageThat() |
| .contains("Missing TextElement"); |
| |
| Element emptyElement = Element.getDefaultInstance(); |
| assertThatRunnable(() -> adapter.getModelFromElement(emptyElement)) |
| .throwsAnExceptionOfType(PietFatalException.class) |
| .that() |
| .hasMessageThat() |
| .contains("Missing TextElement"); |
| } |
| |
| private Element getBaseTextElement() { |
| return getBaseTextElement(null); |
| } |
| |
| private Element getBaseTextElement(/*@Nullable*/ StyleProvider styleProvider) { |
| StyleProvider sp = |
| styleProvider != null ? styleProvider : adapterParameters.defaultStyleProvider; |
| when(frameContext.makeStyleFor(any(StyleIdsStack.class))).thenReturn(sp); |
| |
| return Element.newBuilder().setTextElement(TextElement.getDefaultInstance()).build(); |
| } |
| |
| private static class TestTextElementAdapter extends TextElementAdapter { |
| TestTextElementAdapter(Context context, AdapterParameters parameters) { |
| super(context, parameters); |
| } |
| |
| @Override |
| void setTextOnView(FrameContext frameContext, TextElement textElement) {} |
| |
| @Override |
| TextElementKey createKey(Font font) { |
| return new TextElementKey(font); |
| } |
| } |
| } |
