public async Task Should_Return_Last_Element()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock("1")).Subscribe();
fixture.PushModal(new PageViewModelMock("2")).Subscribe();
// When
var result = await fixture.ViewStackService.TopModal();
// Then
result.Should().BeOfType <PageViewModelMock>();
result.Id.Should().Be("2");
}
public async Task Should_Return_Last_Element()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock("1"));
await sut.PushModal(new PageViewModelMock("2"));
// When
var result = await sut.TopModal();
// Then
result.ShouldBeOfType <PageViewModelMock>();
result.Id.ShouldBe("2");
}
public async Task Should_Receive_Push_Modal()
{
// Given
ViewStackService sut = new ViewStackServiceFixture().WithView(Substitute.For <IView>());
// When
await sut.PushModal(new PageViewModelMock(), "modal");
// Then
sut.View.Received().PushModal(Arg.Any <IPageViewModel>(), "modal");
}
public async Task Should_Throw_If_View_Model_Null()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
// When
var result = await Record.ExceptionAsync(async() => await sut.PushModal(null)).ConfigureAwait(false);
// Then
result.ShouldBeOfType <ArgumentNullException>();
}
public async Task Should_Not_Pop()
{
// Given
ViewStackService sut = new ViewStackServiceFixture().WithView(Substitute.For <IView>());
await sut.PushModal(new PageViewModelMock());
// When
await sut.TopModal();
// Then
await sut.View.DidNotReceive().PopModal();
}
public async Task Should_Return_Unit()
{
// Given, When
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock());
// When
var result = await sut.PopModal();
// Then
result.ShouldBeOfType <Unit>();
}
public async Task Should_Receive_Pop_Page()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock());
// When
await sut.PopPage();
// Then
sut.View.Received().PopPage();
}
public async Task Should_Push_Modal()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
await sut.PushModal(new PageViewModelMock());
// When
var result = await sut.TopModal();
// Then
result.ShouldNotBeNull();
result.ShouldBeOfType <PageViewModelMock>();
}
public void Should_Receive_Pop_Page()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
fixture.ViewStackService.PopPage().Subscribe();
// Then
fixture.View.Received().PopPage();
}
public async Task Should_Receive_Pop_Modal()
{
// Given, When
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
fixture.PopModal().Subscribe();
// Then
await fixture.View.Received().PopModal();
}
public async Task Should_Return_Unit()
{
// Given, When
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
var result = await fixture.PopModal();
// Then
result.Should().BeOfType <Unit>();
}
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.Should().BeEmpty();
}
public void Should_Pop_Modal()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
fixture.ViewStackService.ModalStack.FirstAsync().Wait().Count.Should().Be(1);
fixture.PopModal().Subscribe();
// Then
fixture.ViewStackService.ModalStack.FirstAsync().Wait().Should().BeEmpty();
}
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_Push_Modal()
{
// Given
var fixture = new ViewStackServiceFixture();
fixture.PushModal(new PageViewModelMock()).Subscribe();
// When
var result = await fixture.ViewStackService.TopModal();
// Then
result.Should().NotBeNull();
result.Should().BeOfType <PageViewModelMock>();
}
public async Task Should_Push_Page_On_Stack()
{
// Given
ViewStackService sut = new ViewStackServiceFixture();
// When
await sut.PushModal(new PageViewModelMock(), "modal");
var result = await sut.ModalStack.FirstAsync();
// Then
result.ShouldNotBeEmpty();
result.Count.ShouldBe(1);
}
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_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_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();
}