public void ListAllPackagesForAuthor_WhenAuthorIdIsNegative_ThrowsArgumentException()
{
var repo = new Mock <IPackageRepository>();
var sut = new ListAllPackagesForAuthor();
Assert.Throws <ArgumentException>(() => sut.Execute(repo.Object, -1));
}
public void ListAllPackagesForAuthor_WhenNoPackagesAreInRepository_ReturnsEmptyList()
{
var repo = new Mock <IPackageRepository>();
repo.Setup((r) => r.GetAll())
.Returns(new List <Package>());
var sut = new ListAllPackagesForAuthor();
var result = sut.Execute(repo.Object, 1);
Assert.Empty(result);
}
public void ListAllPackagesForAuthor_When1PackageMatchesAuthorId_ReturnsListWith1Item()
{
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)
});
var sut = new ListAllPackagesForAuthor();
var result = sut.Execute(repo.Object, 1);
Assert.Single(result);
}
public void ListAllPackagesForAuthor_WhenMultiplePackagesMatchAuthorId_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", 1),
new Package(0, "Test.Package.4", "Here is a description", 4),
new Package(0, "Test.Package.5", "Here is a description", 1),
});
var sut = new ListAllPackagesForAuthor();
var result = sut.Execute(repo.Object, 1);
Assert.Equal(3, result.Count);
}
public void ListAllPackagesForAuthor_WhenRepositoryIsNull_ThrowsArgumentNullException()
{
var sut = new ListAllPackagesForAuthor();
Assert.Throws <ArgumentNullException>(() => sut.Execute(null, 1));
}
