public async Task Should_Push_Page_On_Stack()
{
// Given
var fixture = new ViewStackServiceFixture();
// When
await fixture.ViewStackService.PushModal(new PageViewModelMock(), "modal");
var result = await fixture.ViewStackService.ModalStack.FirstAsync();
// Then
result.ShouldNotBeEmpty();
result.Count.ShouldBe(1);
}
public async Task Should_Have_One_Item_On_Stack()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushPage(new PageViewModelMock(), pages : 3);
await sut.PopToRootPage();
// When
var result = await sut.PageStack.FirstOrDefaultAsync();
// Then
result.ShouldHaveSingleItem();
}
public async Task Should_Pop_Page()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
fixture.ViewStackService.PopPage().Subscribe();
var result = await fixture.ViewStackService.PageStack.FirstAsync();
// Then
result.ShouldBeEmpty();
}
public async Task Should_Push_Page()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
// When
await sut.PushPage(new PageViewModelMock());
var result = await sut.TopPage();
// Then
result.ShouldNotBeNull();
result.ShouldBeOfType <PageViewModelMock>();
}
public async Task Should_Push_Page_On_Stack()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
// When
await sut.PushPage(new PageViewModelMock());
var result = await sut.PageStack.FirstAsync();
// Then
result.ShouldNotBeEmpty();
result.Count.ShouldBe(1);
}
public async Task Should_Push_Modal()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
var result = await fixture.ViewStackService.TopModal();
// Then
result.ShouldNotBeNull();
result.ShouldBeOfType <PageViewModelMock>();
}
public async Task Should_Pop_Page()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock());
// When
await sut.PopPage();
var result = await sut.PageStack.FirstAsync();
// Then
result.ShouldBeEmpty();
}
public async Task Should_Return_Last_Element()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushPage(new PageViewModelMock("1")).Subscribe();
fixture.PushPage(new PageViewModelMock("2")).Subscribe();
// When
var result = await fixture.ViewStackService.TopPage();
// Then
result.Should().BeOfType <PageViewModelMock>();
result.Id.Should().Be("2");
}
public async Task Should_Push_And_Pop(int amount)
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock(), "modal", amount).Subscribe();
fixture.ViewStackService.ModalStack.FirstAsync().Wait().Count.Should().Be(amount);
fixture.PopModal(amount).Subscribe();
// When
var result = await fixture.ViewStackService.ModalStack.FirstAsync();
// Then
result.Should().BeEmpty();
}
public async Task Should_Return_Last_Element()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushPage(new PageViewModelMock("1"));
await sut.PushPage(new PageViewModelMock("2"));
// When
var result = await sut.TopPage();
// Then
result.ShouldBeOfType <PageViewModelMock>();
result.Id.ShouldBe("2");
}
public async Task Should_Clear_Navigation_Stack_If_Reset()
{
// Given
ViewStackService sut = new ViewStackServiceFixture().WithView(Substitute.For <IView>());
// When
await sut.PushPage(new PageViewModelMock(), pages : 3);
await sut.PushPage(new PageViewModelMock(), resetStack : true);
var result = await sut.PageStack.FirstOrDefaultAsync();
// Then
result.ShouldHaveSingleItem();
}
public async Task Should_Push_And_Pop(int amount)
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock(), "modal", amount);
sut.ModalStack.FirstAsync().Wait().Count.ShouldBe(amount);
await sut.PopModal(amount);
// When
var result = await sut.ModalStack.FirstAsync();
// Then
result.ShouldBeEmpty();
}
public async Task Should_Pop_Modal()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock());
// When
var item = await sut.ModalStack.FirstAsync();
item.Count.ShouldBe(1);
await sut.PopModal();
// Then
item = await sut.ModalStack.FirstAsync();
item.ShouldBeEmpty();
}
public async Task Should_Return_Single_Notification()
{
// Given
int count = 0;
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushPage(new PageViewModelMock(), pages : 3);
sut.View.PagePopped.Subscribe(_ =>
{
count++;
});
// When
await sut.PopToRootPage();
// Then
count.ShouldBe(1);
}
public async Task Should_Pop_Modal()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
var item = await fixture.ViewStackService.ModalStack.FirstAsync();
item.Count.ShouldBe(1);
fixture.PopModal().Subscribe();
// Then
item = await fixture.ViewStackService.ModalStack.FirstAsync();
item.ShouldBeEmpty();
}
public static ViewStackServiceFixture WithModalStack(this ViewStackServiceFixture viewStackServiceFixture)
{
viewStackServiceFixture.ViewStackService.PushModal(viewStackServiceFixture.ModalViewModel, viewStackServiceFixture.ModalViewModel.Id).Subscribe();
return(viewStackServiceFixture);
}
public static ViewStackServiceFixture WithPageStack(this ViewStackServiceFixture viewStackServiceFixture)
{
viewStackServiceFixture.ViewStackService.PushPage(viewStackServiceFixture.PageViewModel, viewStackServiceFixture.PageViewModel.Id).Subscribe();
return(viewStackServiceFixture);
}
