DispatcherPausing.kt

// Copyright 2022 Google LLC.	
// SPDX-License-Identifier: Apache-2.0

// Example with the old APIs
@Test
fun loadTasks_loading() {
    // Pause dispatcher so we can verify initial values
    mainCoroutineRule.pauseDispatcher()

    // Load the task in the viewmodel
    statisticsViewModel.refresh()
    // Then progress indicator is shown
    assertThat(statisticsViewModel.dataLoading.getOrAwaitValue()).isTrue()

    // Execute pending coroutine actions
    mainCoroutineRule.resumeDispatcher()
    // Then progress indicator is hidden
    assertThat(statisticsViewModel.dataLoading.getOrAwaitValue()).isFalse()
}