public void ListAllPackages_WhenNoPackagesAreInRepository_ReturnsEmptyList()
{
var repo = new Mock <IPackageRepository>();
repo.Setup((r) => r.GetAll())
.Returns(new List <Package>());
var sut = new ListAllPackages();
var result = sut.Execute(repo.Object);
Assert.Empty(result);
}
public void ListAllPackages_When1PackageIsInRepository_ReturnsListWith1Item()
{
var repo = new Mock <IPackageRepository>();
repo.Setup((r) => r.GetAll())
.Returns(new List <Package>()
{
new Package(0, "Test.Package", "Here is a description", 1)
});
var sut = new ListAllPackages();
var result = sut.Execute(repo.Object);
Assert.Single(result);
}
public void ListAllPackages_WhenMultiplePackagesAreInRepository_ReturnsListWithMultipleItems()
{
var repo = new Mock <IPackageRepository>();
repo.Setup((r) => r.GetAll())
.Returns(new List <Package>()
{
new Package(0, "Test.Package.1", "Here is a description", 1),
new Package(0, "Test.Package.2", "Here is a description", 2),
new Package(0, "Test.Package.3", "Here is a description", 3),
new Package(0, "Test.Package.4", "Here is a description", 4),
new Package(0, "Test.Package.5", "Here is a description", 5),
});
var sut = new ListAllPackages();
var result = sut.Execute(repo.Object);
Assert.Equal(5, result.Count);
}
public void ListAllPackages_WhenRepositoryIsNull_ThrowsArgumentNullException()
{
var sut = new ListAllPackages();
Assert.Throws <ArgumentNullException>(() => sut.Execute(null));
}