| /* |
| * 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 androidx.ui.material |
| |
| import androidx.compose.Composable |
| import androidx.ui.core.AndroidOwner |
| import androidx.ui.core.ExperimentalLayoutNodeApi |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.layout.DpConstraints |
| import androidx.compose.foundation.layout.Stack |
| import androidx.compose.foundation.layout.preferredSizeIn |
| import androidx.ui.test.ComposeTestRule |
| import androidx.ui.test.SemanticsNodeInteraction |
| import androidx.ui.test.assertHeightIsEqualTo |
| import androidx.ui.test.assertIsEqualTo |
| import androidx.ui.test.assertWidthIsEqualTo |
| import androidx.ui.test.onNodeWithTag |
| import androidx.ui.test.onRoot |
| import androidx.ui.test.getAlignmentLinePosition |
| import androidx.ui.test.runOnIdle |
| import androidx.compose.foundation.text.FirstBaseline |
| import androidx.compose.foundation.text.LastBaseline |
| import androidx.ui.unit.Density |
| import androidx.ui.unit.Dp |
| import androidx.ui.unit.dp |
| import androidx.ui.unit.width |
| |
| fun ComposeTestRule.setMaterialContent( |
| modifier: Modifier = Modifier, |
| composable: @Composable () -> Unit |
| ) { |
| setContent { |
| MaterialTheme { |
| Surface(modifier = modifier, content = composable) |
| } |
| } |
| } |
| |
| fun <T> ComposeTestRule.runOnIdleWithDensity(action: Density.() -> T): T { |
| return runOnIdle { |
| density.action() |
| } |
| } |
| |
| fun SemanticsNodeInteraction.getFirstBaselinePosition() = getAlignmentLinePosition(FirstBaseline) |
| |
| fun SemanticsNodeInteraction.getLastBaselinePosition() = getAlignmentLinePosition(LastBaseline) |
| |
| fun SemanticsNodeInteraction.assertIsSquareWithSize(expectedSize: Dp) = |
| assertWidthIsEqualTo(expectedSize).assertHeightIsEqualTo(expectedSize) |
| |
| fun SemanticsNodeInteraction.assertWidthFillsRoot(): SemanticsNodeInteraction { |
| val node = fetchSemanticsNode("Failed to assertWidthFillsScreen") |
| @OptIn(ExperimentalLayoutNodeApi::class) |
| val owner = node.componentNode.owner as AndroidOwner |
| val rootViewWidth = owner.view.width |
| |
| with(owner.density) { |
| node.boundsInRoot.width.toDp().assertIsEqualTo(rootViewWidth.toDp()) |
| } |
| return this |
| } |
| |
| fun rootWidth(): Dp { |
| val nodeInteraction = onRoot() |
| val node = nodeInteraction.fetchSemanticsNode("Failed to get screen width") |
| @OptIn(ExperimentalLayoutNodeApi::class) |
| val owner = node.componentNode.owner as AndroidOwner |
| |
| return with(owner.density) { |
| owner.view.width.toDp() |
| } |
| } |
| |
| fun rootHeight(): Dp { |
| val nodeInteraction = onRoot() |
| val node = nodeInteraction.fetchSemanticsNode("Failed to get screen height") |
| @OptIn(ExperimentalLayoutNodeApi::class) |
| val owner = node.componentNode.owner as AndroidOwner |
| |
| return with(owner.density) { |
| owner.view.height.toDp() |
| } |
| } |
| |
| /** |
| * Constant to emulate very big but finite constraints |
| */ |
| val BigTestConstraints = DpConstraints(maxWidth = 5000.dp, maxHeight = 5000.dp) |
| |
| fun ComposeTestRule.setMaterialContentForSizeAssertions( |
| parentConstraints: DpConstraints = BigTestConstraints, |
| // TODO : figure out better way to make it flexible |
| children: @Composable () -> Unit |
| ): SemanticsNodeInteraction { |
| setContent { |
| MaterialTheme { |
| Surface { |
| Stack { |
| Stack(Modifier.preferredSizeIn(parentConstraints) |
| .testTag("containerForSizeAssertion")) { |
| children() |
| } |
| } |
| } |
| } |
| } |
| |
| return onNodeWithTag("containerForSizeAssertion") |
| } |