| /* |
| * Copyright 2020 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 androidx.ui.material.textfield |
| |
| import android.os.Build |
| import androidx.compose.remember |
| import androidx.test.filters.MediumTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.BaseTextField |
| import androidx.compose.foundation.ExperimentalFoundationApi |
| import androidx.compose.foundation.background |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.text.input.TextFieldValue |
| import androidx.compose.foundation.layout.Stack |
| import androidx.compose.foundation.layout.preferredSize |
| import androidx.ui.material.TextFieldScroller |
| import androidx.ui.material.TextFieldScrollerPosition |
| import androidx.compose.runtime.savedinstancestate.rememberSavedInstanceState |
| import androidx.ui.test.StateRestorationTester |
| import androidx.ui.test.assertPixels |
| import androidx.ui.test.captureToBitmap |
| import androidx.ui.test.createComposeRule |
| import androidx.ui.test.performGesture |
| import androidx.ui.test.onNodeWithTag |
| import androidx.ui.test.runOnIdle |
| import androidx.ui.test.swipeDown |
| import androidx.ui.test.swipeUp |
| import androidx.compose.ui.unit.IntSize |
| import androidx.compose.ui.unit.dp |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @MediumTest |
| @RunWith(JUnit4::class) |
| @OptIn(ExperimentalFoundationApi::class) |
| class TextFieldTest { |
| |
| private val TextfieldTag = "textField" |
| |
| private val LONG_TEXT = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do " + |
| "eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam," + |
| " quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. " + |
| "Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu " + |
| "fugiat nulla pariatur." |
| |
| @get:Rule |
| val testRule = createComposeRule() |
| |
| @Test |
| fun testTextField_scrollable_withLongInput() { |
| val scrollerPosition = TextFieldScrollerPosition() |
| testRule.setContent { |
| Stack { |
| TextFieldScroller( |
| remember { scrollerPosition }, |
| Modifier.preferredSize(width = 300.dp, height = 50.dp) |
| ) { |
| BaseTextField( |
| value = TextFieldValue(LONG_TEXT), |
| onValueChange = {} |
| ) |
| } |
| } |
| } |
| |
| runOnIdle { |
| assertThat(scrollerPosition.maximum).isLessThan(Float.POSITIVE_INFINITY) |
| assertThat(scrollerPosition.maximum).isGreaterThan(0f) |
| } |
| } |
| |
| @Test |
| fun testTextField_notScrollable_withShortInput() { |
| val text = "text" |
| val scrollerPosition = TextFieldScrollerPosition() |
| testRule.setContent { |
| Stack { |
| TextFieldScroller( |
| remember { scrollerPosition }, |
| Modifier.preferredSize(width = 300.dp, height = 50.dp) |
| ) { |
| BaseTextField( |
| value = TextFieldValue(text), |
| onValueChange = {} |
| ) |
| } |
| } |
| } |
| |
| runOnIdle { |
| assertThat(scrollerPosition.maximum).isEqualTo(0f) |
| } |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| fun testTextField_scrolledAndClipped() { |
| val scrollerPosition = TextFieldScrollerPosition() |
| |
| val parentSize = 200 |
| val textFieldSize = 50 |
| |
| with(testRule.density) { |
| testRule.setContent { |
| Stack( |
| Modifier |
| .preferredSize(parentSize.toDp()) |
| .background(color = Color.White) |
| .testTag(TextfieldTag) |
| ) { |
| TextFieldScroller( |
| remember { scrollerPosition }, |
| Modifier.preferredSize(textFieldSize.toDp()) |
| ) { |
| BaseTextField( |
| value = TextFieldValue(LONG_TEXT), |
| onValueChange = {} |
| ) |
| } |
| } |
| } |
| } |
| |
| runOnIdle {} |
| |
| onNodeWithTag(TextfieldTag) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(parentSize, parentSize)) { position -> |
| if (position.x > textFieldSize && position.y > textFieldSize) Color.White else null |
| } |
| } |
| |
| @Test |
| fun testTextField_swipe_whenLongInput() { |
| val scrollerPosition = TextFieldScrollerPosition() |
| |
| testRule.setContent { |
| Stack { |
| TextFieldScroller( |
| remember { scrollerPosition }, |
| Modifier.preferredSize(width = 300.dp, height = 50.dp).testTag(TextfieldTag) |
| ) { |
| BaseTextField( |
| value = TextFieldValue(LONG_TEXT), |
| onValueChange = {} |
| ) |
| } |
| } |
| } |
| |
| runOnIdle { |
| assertThat(scrollerPosition.current).isEqualTo(0f) |
| } |
| |
| onNodeWithTag(TextfieldTag) |
| .performGesture { swipeDown() } |
| |
| val firstSwipePosition = runOnIdle { |
| scrollerPosition.current |
| } |
| assertThat(firstSwipePosition).isGreaterThan(0f) |
| |
| onNodeWithTag(TextfieldTag) |
| .performGesture { swipeUp() } |
| runOnIdle { |
| assertThat(scrollerPosition.current).isLessThan(firstSwipePosition) |
| } |
| } |
| |
| @Test |
| fun textFieldScroller_restoresScrollerPosition() { |
| val restorationTester = StateRestorationTester(testRule) |
| var scrollerPosition = TextFieldScrollerPosition() |
| |
| restorationTester.setContent { |
| scrollerPosition = rememberSavedInstanceState( |
| saver = TextFieldScrollerPosition.Saver |
| ) { |
| TextFieldScrollerPosition() |
| } |
| TextFieldScroller( |
| scrollerPosition, |
| Modifier.preferredSize(width = 300.dp, height = 50.dp).testTag(TextfieldTag) |
| ) { |
| BaseTextField( |
| value = TextFieldValue(LONG_TEXT), |
| onValueChange = {} |
| ) |
| } |
| } |
| |
| onNodeWithTag(TextfieldTag) |
| .performGesture { swipeDown() } |
| |
| val swipePosition = runOnIdle { |
| scrollerPosition.current |
| } |
| assertThat(swipePosition).isGreaterThan(0f) |
| |
| runOnIdle { |
| scrollerPosition = TextFieldScrollerPosition() |
| assertThat(scrollerPosition.current).isEqualTo(0f) |
| } |
| |
| restorationTester.emulateSavedInstanceStateRestore() |
| |
| runOnIdle { |
| assertThat(scrollerPosition.current).isEqualTo(swipePosition) |
| } |
| } |
| } |