public async Task ShouldSetViewModelData_WhenInitializeAsync()
{
//arrange
var errorViewModel = new ErrorPageViewModel(_navigationServiceMock.Object);
//act
await errorViewModel.InitializeAsync(new ErrorPageNavigationData
{
ErrorTitle = "title",
ErrorMessage = "error",
NavigatedFromPage = new ServersPageViewModel(_navigationServiceMock.Object, _serversServiceMock.Object, _settingsServiceMock.Object)
});
//assert
Assert.AreEqual("title", errorViewModel.ErrorTitle);
Assert.AreEqual("error", errorViewModel.ErrorMessage);
Assert.IsInstanceOfType(errorViewModel.NavigatedFromPage, typeof(ServersPageViewModel));
}
public async Task ShouldNavigateToPreviousPage_WhenOkCommand()
{
//arrange
var errorViewModel = new ErrorPageViewModel(_navigationServiceMock.Object);
var navigateFromPage = new ServersPageViewModel(_navigationServiceMock.Object, _serversServiceMock.Object,
_settingsServiceMock.Object);
await errorViewModel.InitializeAsync(new ErrorPageNavigationData
{
NavigatedFromPage = navigateFromPage
});
//act
errorViewModel.OkCommand.Execute(null);
//assert
_navigationServiceMock.Verify(x => x.NavigateToPageAsync(navigateFromPage, It.IsAny <NavigationData>()), Times.Once);
}