public void TestRetrievalDictionaryPrimary([Values(true, false)] bool useTryGetValue, [Values(true, false)] bool targetPrimary)
{
//--Arrange
var primary = RetrievalDictionary.Build((Guid id) => id.ToString());
var underTest = new OneToOneDictionary <Guid, string>(primary);
//--Act/Assert
foreach (var key in Enumerable.Range(0, 10).Select(x => Guid.NewGuid()))
{
if (targetPrimary)
{
Assert.IsFalse(underTest.ContainsKey(key));
Assert.IsFalse(underTest.ContainsKey(key.ToString()));
var value = underTest[key];
Assert.AreEqual(key.ToString(), value);
Assert.IsTrue(underTest.ContainsKey(key));
Assert.IsTrue(underTest.ContainsKey(key.ToString()));
}
else if (useTryGetValue)
{
var success = underTest.TryGetValue(key.ToString(), out var value);
Assert.IsFalse(success);
Assert.AreEqual(Guid.Empty, value);
}
else
{
Guid value;
Assert.Throws <KeyNotFoundException>(() => value = underTest[key.ToString()]);
}
}
}
public void TestRetrievedValueCanBeOverwritten()
{
//--Arrange
var guid = Guid.NewGuid();
var repoMock = new Mock <IExpensiveOperationRepository>();
repoMock.Setup(x => x.RunQueryThatTakesForever(It.IsAny <Guid>()))
.Returns((Guid id) => new TestSchema.Employee {
Id = id, CompanyId = Guid.NewGuid()
});
var mockObject = repoMock.Object;
//--Act
var retrievalDictionary = RetrievalDictionary.Build((Guid id) => mockObject.RunQueryThatTakesForever(id));
var results = Enumerable.Range(0, 10).Select(x => retrievalDictionary[guid]).ToList();
retrievalDictionary[guid] = new TestSchema.Employee {
Id = guid, CompanyId = Guid.NewGuid()
};
results.AddRange(Enumerable.Range(0, 10).Select(x => retrievalDictionary[guid]));
//--Assert
Assert.AreEqual(2, results.GroupBy(x => x.CompanyId).Count());
Assert.AreEqual(1, results.Take(10).GroupBy(x => x.CompanyId).Count());
Assert.AreEqual(1, results.Skip(10).GroupBy(x => x.CompanyId).Count());
}
public void TestRetrievalDoesntHappenWhenPreloaded()
{
//--Arrange
var ids = Enumerable.Range(0, 10).Select(x => Guid.NewGuid()).ToList();
var repoMock = new Mock <IExpensiveOperationRepository>();
var mockObject = repoMock.Object;
//--Act
var retrievalDictionary = RetrievalDictionary.Build((Guid id) => mockObject.RunQueryThatTakesForever(id));
ids.ForEach(id => retrievalDictionary.Add(id, new TestSchema.Employee {
Id = id, CompanyId = Guid.NewGuid()
}));
var resultLookup = ids.Join(Enumerable.Range(0, 10), l => true, r => true, (l, r) => l)
.ToLookup(x => x, x => retrievalDictionary[x]);
//--Assert
Assert.AreEqual(ids.Count, resultLookup.Count);
Assert.AreEqual(ids.Count, resultLookup.SelectMany(x => x).Distinct().Count());
foreach (var(id, results) in resultLookup.AsTuples())
{
Assert.AreEqual(10, results.Count);
Assert.AreEqual(1, results.Distinct().Count());
repoMock.Verify(x => x.RunQueryThatTakesForever(It.IsAny <Guid>()), Times.Never());
}
}
public void TestTryGetValueAttemptsRetrieval([Values(false, true)] bool shouldFind)
{
//--Arrange
var id = Guid.NewGuid();
var repoMock = new Mock <IExpensiveOperationRepository>();
repoMock.Setup(x => x.RunQueryThatTakesForever(It.IsAny <Guid>()))
.Returns(() => shouldFind ? new TestSchema.Employee() : throw new NullReferenceException());
//--Act
var retrievalDictionary = RetrievalDictionary.Build((Guid id) => repoMock.Object.RunQueryThatTakesForever(id));
var found = retrievalDictionary.TryGetValue(id, out var result);
//--Assert
Assert.AreEqual(shouldFind, found);
repoMock.Verify(x => x.RunQueryThatTakesForever(id), Times.Exactly(1));
if (shouldFind)
{
Assert.IsNotNull(result);
}
else
{
Assert.IsNull(result);
}
}
public void TestBackingDictionarySynchronization()
{
//--Arrange
var primary = new Dictionary <Guid, string>();
var secondary = RetrievalDictionary.Build((string id) => Guid.Parse(id));
var underTest = new OneToOneDictionary <Guid, string>(primary, secondary);
//--Act/Assert
var id = Guid.NewGuid();
Assert.IsFalse(primary.ContainsKey(id));
Assert.IsFalse(secondary.ContainsKey(id.ToString()));
primary[id] = id.ToString();
Assert.AreEqual(id.ToString(), underTest[id]);
Assert.IsTrue(primary.ContainsKey(id));
Assert.IsTrue(secondary.ContainsKey(id.ToString()));
id = Guid.NewGuid();
Assert.IsFalse(primary.ContainsKey(id));
Assert.IsFalse(secondary.ContainsKey(id.ToString()));
Assert.AreEqual(id, underTest[id.ToString()]);
Assert.IsTrue(primary.ContainsKey(id));
Assert.IsTrue(secondary.ContainsKey(id.ToString()));
id = Guid.NewGuid();
Assert.IsFalse(primary.ContainsKey(id));
Assert.IsFalse(secondary.ContainsKey(id.ToString()));
primary[id] = id.ToString();
Assert.IsTrue(underTest.TryGetValue(id, out var value));
Assert.AreEqual(id.ToString(), value);
Assert.IsTrue(primary.ContainsKey(id));
Assert.IsTrue(secondary.ContainsKey(id.ToString()));
}
static SqlServerQueryBuilder()
{
_tableMaps = RetrievalDictionary.Build((Type type) => TableMapSource.GetTableMap(type));
_tableMaps.AddRange(TableMapSource.GetTableMaps());
}
static ColumnValueProvider()
{
_tableMapBuilders = RetrievalDictionary.Build((Type type) => TableMapSource.GetTableMapBuilders(type));
}