public async Task TwoNodes_BackAndForth()
{
var tester = new NavigatorTester();
tester.AddNode("n1", "r1");
tester.AddNode("n2", "r2");
for (var n = 1; n <= 3; n++)
{
await tester.MoveAsync(true, "n1");
await tester.MoveAsync(false, "r1", null);
await tester.MoveAsync(true, "n1", "n2");
await tester.MoveAsync(false, "r2", "r1", null);
await tester.MoveAsync(true, "n1", "n2", null);
await tester.MoveAsync(false, "r2");
await tester.MoveAsync(true, "n2", null);
await tester.MoveAsync(false, "r2", "r1");
await tester.MoveAsync(true, "n1", "n2", null);
await tester.MoveAsync(false, "r2", "r1", null);
}
}
public async void ThreeNodes()
{
var tester = new NavigatorTester();
var isValid1 = false;
tester.AddNode("n1", "r1", () => isValid1);
var isValid2 = false;
tester.AddNode("n2", "r2", () => isValid2);
var isValid3 = false;
tester.AddNode("n3", "r3", () => isValid3);
for (var n = 1; n <= 3; n++)
{
isValid1 = isValid2 = isValid3 = false;
await tester.MoveAsync(true, null);
await tester.MoveAsync(false, null);
isValid1 = true;
await tester.MoveAsync(true, "n1", null);
await tester.MoveAsync(false, "r1", null);
isValid2 = true;
await tester.MoveAsync(true, "n1", "n2", null);
await tester.MoveAsync(false, "r2", "r1", null);
isValid3 = true;
await tester.MoveAsync(true, "n1", "n2", "n3", null);
await tester.MoveAsync(false, "r3", "r2", "r1", null);
isValid2 = false;
await tester.MoveAsync(true, "n1", "n3", null);
await tester.MoveAsync(false, "r3", "r1", null);
isValid1 = false;
await tester.MoveAsync(true, "n3", null);
await tester.MoveAsync(false, "r3", null);
isValid2 = true;
isValid3 = true;
await tester.MoveAsync(true, "n2", "n3", null);
await tester.MoveAsync(false, "r3", "r2", null);
}
}
public async Task ThreeNodes()
{
var tester = new NavigatorTester();
tester.AddNode("n1", "r1");
tester.AddNode("n2", "r2");
tester.AddNode("n3", "r3");
for (var n = 1; n <= 3; n++)
{
await tester.MoveAsync(true, "n1", "n2", "n3", null);
await tester.MoveAsync(false, "r3", "r2", "r1", null);
}
}
public async void SingleNode_BackAndForth()
{
var tester = new NavigatorTester();
var isValid = false;
tester.AddNode("normal", "reversed", () => isValid);
for (var n = 1; n <= 3; n++)
{
isValid = false;
await tester.MoveAsync(true, null);
await tester.MoveAsync(false, null);
isValid = true;
await tester.MoveAsync(true, "normal");
await tester.MoveAsync(false, "reversed", null);
await tester.MoveAsync(true, "normal", null);
await tester.MoveAsync(false, "reversed");
await tester.MoveAsync(true, "normal", null);
await tester.MoveAsync(false, "reversed", null);
}
}
public async Task RepeatMultipleNodes()
{
var tester = new NavigatorTester();
var @while = A.Fake <ICondition>(i => i.Strict());
A.CallTo(() => @while.Evaluate(tester.Context.Variables))
.ReturnsNextFromSequence(true, false);
A.CallTo(() => tester.Block.While).Returns(@while);
tester.AddNode("N1", "R1");
tester.AddNode("N2", "R2");
tester.AddNode("N3", "R3");
await tester.MoveAsync(true, "N1", "N2", "N3", "N1", "N2", "N3", null);
await tester.MoveAsync(false, "R3", "R2", "R1", "R3", "R2", "R1", null);
}
public async Task IgnoreNodeWhenChildBlockWhileReturnsFalse()
{
var tester = new NavigatorTester();
var @while = A.Fake <ICondition>(i => i.Strict());
A.CallTo(() => @while.Evaluate(tester.Context.Variables))
.Returns(false);
tester.AddNode("N1", "R1");
tester.AddNode("N2", "R2").ConfigureChildBlock(
i => A.CallTo(() => i.While).Returns(@while)
);
tester.AddNode("N3", "R3");
await tester.MoveAsync(true, "N1", "N3", null);
await tester.MoveAsync(false, "R3", "R1", null);
}
public async void TwoNodes_BackAndForth()
{
var tester = new NavigatorTester();
var isValid = false;
tester.AddNode("n1", "r1");
tester.AddNode("n2", "r2", () => isValid);
for (var n = 1; n <= 3; n++)
{
isValid = false;
await tester.MoveAsync(true, "n1", null);
await tester.MoveAsync(false, "r1", null);
isValid = true;
await tester.MoveAsync(true, "n1");
await tester.MoveAsync(false, "r1", null);
await tester.MoveAsync(true, "n1", "n2");
await tester.MoveAsync(false, "r2", "r1", null);
await tester.MoveAsync(true, "n1", "n2", null);
await tester.MoveAsync(false, "r2");
await tester.MoveAsync(true, "n2", null);
await tester.MoveAsync(false, "r2", "r1");
await tester.MoveAsync(true, "n1", "n2", null);
await tester.MoveAsync(false, "r2", "r1", null);
}
}
public async Task CorrectSequenceOnMovePreviousWithThreeNodes()
{
var tester = new NavigatorTester();
tester.AddNode("n1", "r1");
tester.AddNode("n2", "r2");
tester.AddNode("n3", "r3");
await tester.MoveAsync(true, "n1", "n2", "n3", null);
tester.CurrentNodeIndex.Should().BeNull();
await tester.MoveAsync(false, "r3");
tester.CurrentNodeIndex.Should().Be(1);
await tester.MoveAsync(false, "r2");
tester.CurrentNodeIndex.Should().Be(0);
await tester.MoveAsync(true, "n2", "n3", null);
}
public async Task SingleNode_BackAndForth()
{
var tester = new NavigatorTester();
tester.AddNode("normal", "reversed");
await tester.MoveAsync(true, "normal");
await tester.MoveAsync(false, "reversed", null);
await tester.MoveAsync(true, "normal", null);
await tester.MoveAsync(false, "reversed");
await tester.MoveAsync(true, "normal", null);
await tester.MoveAsync(false, "reversed", null);
}
public async void SingleNode()
{
var tester = new NavigatorTester();
var isValid = false;
tester.AddNode("normal", "reversed", () => isValid);
isValid = false;
await tester.MoveAsync(true, null);
await tester.MoveAsync(false, null);
isValid = true;
await tester.MoveAsync(true, "normal", null);
await tester.MoveAsync(false, "reversed", null);
}
public async void ConditionsShouldNotAffectBackwardsMotion()
{
var tester = new NavigatorTester();
var isValid = false;
tester.AddNode("normal", "reversed", () => isValid);
isValid = false;
await tester.MoveAsync(true, null);
isValid = true;
await tester.MoveAsync(false, null); // Unaffected by condition
await tester.MoveAsync(true, "normal", null);
isValid = false;
await tester.MoveAsync(false, "reversed", null); // Unaffected by condition
}
public async Task CorrectSequenceOnMovePrevious()
{
var tester = new NavigatorTester();
tester.AddNode("normal", "reversed");
await tester.MoveAsync(true, "normal");
tester.CurrentNodeIndex.Should().Be(0);
await tester.MoveAsync(true, null);
tester.CurrentNodeIndex.Should().BeNull();
await tester.MoveAsync(false, "reversed");
tester.CurrentNodeIndex.Should().BeNull();
await tester.MoveAsync(true, "normal");
tester.CurrentNodeIndex.Should().Be(0);
await tester.MoveAsync(false, "reversed");
tester.CurrentNodeIndex.Should().BeNull();
await tester.MoveAsync(false, null);
tester.CurrentNodeIndex.Should().BeNull();
await tester.MoveAsync(true, "normal");
tester.CurrentNodeIndex.Should().Be(0);
await tester.MoveAsync(true, null);
tester.CurrentNodeIndex.Should().BeNull();
}