public void GetGridByEntityId_OnMultipleFound_ShouldThrow()
{
string TestEntityId = "testid";
XElement TestBlueprint = TestHelpers.DataBuilder.BuildBlueprint()
.AndGridWith()
.EntityId(TestEntityId)
.ThatsAll()
.AndGridWith()
.EntityId(TestEntityId)
.ThatsAll();
BlueprintDataContext DataContext = new BlueprintDataContext(TestBlueprint);
Assert.That(TestBlueprint.Descendants("EntityId").Where(e => e.Value == TestEntityId).Count, Is.GreaterThan(1),
"Test blueprint should contain more than one instance of the tested EntityId.");
Assert.Multiple(() =>
{
// assert that it throws internal exception
var ex = Assert.Throws <AppException>(
() => DataContext.GetGridByEntityId(TestEntityId),
$"Tested method should throw {nameof(AppException)}.");
// assert proper internal exception kind
Assert.That(ex.ExceptionKind, Is.EqualTo(ExceptionKind.Blueprint_GridEntityIdNotUnique),
$"Threw method should be of kind {nameof(ExceptionKind.Blueprint_GridEntityIdNotUnique)}.");
});
}
public void GetGridByEntityId_OnSingleFound_ShouldReturnGrid()
{
string TestEntityId = "123456";
XElement TestBlueprint = TestHelpers.DataBuilder.BuildBlueprint()
.AndGridWith()
.EntityId(TestEntityId)
.ExportThis(out XElement ExpectedResultGrid) // Note out ExpectedResultGrid
.ThatsAll()
.AndGridWith()
.EntityId("arbitraryid")
.ThatsAll();
BlueprintDataContext DataContext = new BlueprintDataContext(TestBlueprint);
// Affirm preconditions
Assert.That(TestBlueprint.Descendants("EntityId").Where(e => e.Value == TestEntityId).Count, Is.EqualTo(1),
"Test blueprint should contain a single instance of the tested EntityId.");
var res = DataContext.GetGridByEntityId(TestEntityId);
Assert.That(res, Is.EqualTo(ExpectedResultGrid));
}
public void GetGridByEntityId_OnNotFound_ShouldReturnNull()
{
string TestEntityId = "testid";
// Test data not containing the tested entity ID
XElement TestBlueprint = TestHelpers.DataBuilder.BuildBlueprint()
.AndGridWith()
.EntityId("SomethingSomethingInTheMonthOfMay")
.ThatsAll()
.AndGridWith()
.EntityId("ArbitraryId")
.ThatsAll();
BlueprintDataContext DataContext = new BlueprintDataContext(TestBlueprint);
// Affirm preconditions
Assert.That(TestBlueprint.Descendants("EntityId").Where(e => e.Value == TestEntityId).Count, Is.Zero,
"Test blueprint shouldn't contain the tested EntityId.");
var res = DataContext.GetGridByEntityId(TestEntityId);
Assert.That(res, Is.Null,
"Return value should be null when looking up non-existing entity ID.");
}