| /* |
| * 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.test |
| |
| import androidx.compose.state |
| import androidx.test.filters.FlakyTest |
| import androidx.test.filters.MediumTest |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.Text |
| import androidx.compose.foundation.layout.Column |
| import androidx.ui.material.Button |
| import androidx.ui.material.MaterialTheme |
| import androidx.ui.material.Surface |
| import androidx.ui.test.util.expectAssertionError |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @MediumTest |
| @RunWith(JUnit4::class) |
| class AssertExistsTest { |
| |
| @get:Rule |
| val composeTestRule = createComposeRule(disableTransitions = true) |
| |
| @Test |
| @FlakyTest |
| fun toggleTextInHierarchy_assertExistsAndNotExists() { |
| composeTestRule.setContent { |
| MaterialTheme { |
| Surface { |
| val (showText, toggle) = state { true } |
| Column { |
| Button( |
| modifier = Modifier.testTag("MyButton"), |
| onClick = { toggle(!showText) } |
| ) { |
| Text("Toggle") |
| } |
| if (showText) { |
| Text("Hello") |
| } |
| } |
| } |
| } |
| } |
| |
| onNodeWithText("Hello") |
| .assertExists() |
| |
| expectAssertionError(true) { |
| onNodeWithText("Hello") |
| .assertDoesNotExist() |
| } |
| |
| val cachedResult = onNodeWithText("Hello") |
| |
| // Hide |
| onNodeWithTag("MyButton") |
| .performClick() |
| |
| onNodeWithText("Hello") |
| .assertDoesNotExist() |
| |
| cachedResult |
| .assertDoesNotExist() |
| |
| expectAssertionError(true) { |
| onNodeWithText("Hello") |
| .assertExists() |
| } |
| |
| expectAssertionError(true) { |
| cachedResult.assertExists() |
| } |
| |
| // Show |
| onNodeWithTag("MyButton") |
| .performClick() |
| |
| onNodeWithText("Hello") |
| .assertExists() |
| |
| expectAssertionError(true) { |
| onNodeWithText("Hello") |
| .assertDoesNotExist() |
| } |
| } |
| } |