| /* |
| * 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.camera.integration.core |
| |
| import androidx.test.core.app.ActivityScenario |
| import androidx.test.espresso.Espresso |
| import androidx.test.espresso.IdlingRegistry |
| import androidx.test.espresso.action.ViewActions.click |
| import androidx.test.espresso.assertion.ViewAssertions |
| import androidx.test.espresso.matcher.ViewMatchers |
| import androidx.testutils.withActivity |
| |
| /** |
| * Waits until the viewfinder has received frames and its idling resource has become idle. |
| */ |
| internal fun ActivityScenario<CameraXActivity>.waitForViewfinderIdle() { |
| val idlingResource = withActivity { viewIdlingResource } |
| try { |
| IdlingRegistry.getInstance().register(idlingResource) |
| // Check the activity launched and Preview displays frames. |
| Espresso.onView(ViewMatchers.withId(R.id.viewFinder)) |
| .check(ViewAssertions.matches(ViewMatchers.isDisplayed())) |
| } finally { // Always release the idling resource, in case of timeout exceptions. |
| IdlingRegistry.getInstance().unregister(idlingResource) |
| } |
| } |
| |
| /** |
| * Waits until an image has been saved and its idling resource has become idle. |
| */ |
| internal fun ActivityScenario<CameraXActivity>.takePictureAndWaitForImageSavedIdle() { |
| val idlingResource = withActivity { imageSavedIdlingResource } |
| try { |
| IdlingRegistry.getInstance().register(idlingResource) |
| // Perform click to take a picture. |
| Espresso.onView(ViewMatchers.withId(R.id.Picture)).perform(click()) |
| } finally { // Always release the idling resource, in case of timeout exceptions. |
| IdlingRegistry.getInstance().unregister(idlingResource) |
| withActivity { deleteSessionImages() } |
| } |
| } |