public void Should_Throw_If_Dependency_Already_Exist()
{
// Given
var task = new CakeTask("task");
task.AddDependency("other");
// When
var result = Record.Exception(() => task.AddDependency("other"));
// Then
Assert.IsType <CakeException>(result);
Assert.Equal("The task 'task' already have a dependency on 'other'.", result?.Message);
}
public void Should_Implement_ICakeTaskInfo()
{
// Given
var task = new CakeTask("task");
task.AddDependency("dependency1");
task.AddDependency("dependency2");
task.Description = "my description";
// When
ICakeTaskInfo result = task;
// Then
Assert.IsAssignableFrom <ICakeTaskInfo>(task);
Assert.Equal("task", result.Name);
Assert.Equal("my description", result.Description);
Assert.Equal(new[] { "dependency1", "dependency2" }, result.Dependencies.Select(x => x.Name).ToArray());
}
public void Should_Add_Dependency_If_Not_Already_Present()
{
// Given
var task = new CakeTask("task");
// When
task.AddDependency("other");
// Then
Assert.Single(task.Dependencies);
Assert.Equal("other", task.Dependencies[0].Name);
}
public void Should_Not_Throw_When_Depending_On_Optional_Task_That_Does_Not_Exist()
{
// Given
var task = new CakeTask("A");
task.AddDependency("C", false);
var tasks = new List <CakeTask> {
task
};
// When
var result = Record.Exception(() => CakeGraphBuilder.Build(tasks));
// Then
Assert.Null(result);
}
public void Should_Throw_When_Depending_On_Task_That_Does_Not_Exist()
{
// Given
var task = new CakeTask("A");
task.AddDependency("C");
var tasks = new List <CakeTask> {
task
};
// When
var result = Record.Exception(() => CakeGraphBuilder.Build(tasks));
// Then
Assert.NotNull(result);
Assert.Equal("Task 'A' is dependent on task 'C' which does not exist.", result.Message);
}
public void Should_Create_Edges_Between_Dependencies()
{
// Given
var task1 = new CakeTask("A");
var task2 = new CakeTask("B");
task2.AddDependency("A");
var tasks = new List <CakeTask>
{
task1, task2
};
var graph = CakeGraphBuilder.Build(tasks);
// When
var result = graph.Edges.SingleOrDefault();
// Then
Assert.NotNull(result);
Assert.Equal("A", result.Start);
Assert.Equal("B", result.End);
}