using Bunit.SampleComponents;

using Shouldly;

using Xunit;

namespace Bunit

{

public class RefreshableQueryCollectionTest : ComponentTestFixture

{

[Fact(DisplayName = "When the query returns no elements, the collection is empty")]

public void Test001()

{

var cut = RenderComponent<Simple1>();

var sut = new RefreshableElementCollection(cut, ".foo");

sut.ShouldBeEmpty();

}

[Fact(DisplayName = "When the query returns elements, the collection contains those elements")]

public void Test002()

{

var cut = RenderComponent<Simple1>();

var sut = new RefreshableElementCollection(cut, "h1");

sut.Count.ShouldBe(1);

sut[0].TagName.ShouldBe("H1");

}

[Fact(DisplayName = "When Refresh is called, the query is run again and new elements are made available")]

public void Test003()

{

var cut = RenderComponent<ClickAddsLi>();

var sut = new RefreshableElementCollection(cut, "li");

sut.Count.ShouldBe(0);

cut.Find("button").Click();

sut.Refresh();

sut.Count.ShouldBe(1);

}

[Fact(DisplayName = "Enabling auto refresh automatically refreshes query when the rendered fragment renders and has changes")]

public void Test004()

{

var cut = RenderComponent<ClickAddsLi>();

var sut = new RefreshableElementCollection(cut, "li") { EnableAutoRefresh = true };

sut.Count.ShouldBe(0);

cut.Find("button").Click();

sut.Count.ShouldBe(1);

}

[Fact(DisplayName = "Disabling auto refresh turns off automatic refreshing queries on when rendered fragment changes")]

public void Test005()

{

var cut = RenderComponent<ClickAddsLi>();

var sut = new RefreshableElementCollection(cut, "li") { EnableAutoRefresh = true };

sut.EnableAutoRefresh = false;

cut.Find("button").Click();

sut.Count.ShouldBe(0);

}

}

}