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SimpleResultSetTest.cs
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401 lines (343 loc) · 12.8 KB
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namespace Simple.Data.UnitTest
{
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
public class SimpleResultSetTest
{
private IEnumerable<dynamic> Records(int count)
{
for (int i = 0; i < count; i++)
{
yield return new SimpleRecord(new Dictionary<string, object> { { "Data", i.ToString() } });
}
}
[Test]
public void FirstReturnsFirstElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("0", list.First().Data);
}
[Test]
public void FirstThrowsOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.Throws<InvalidOperationException>(() => list.First());
}
[Test]
public void FirstOrDefaultReturnsFirstElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("0", list.FirstOrDefault().Data);
}
[Test]
public void FirstOrDefaultReturnsNullOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.IsNull(list.FirstOrDefault());
}
[Test]
public void FirstWithCriteriaReturnsMatch()
{
var list = new SimpleResultSet(Records(20));
Assert.AreEqual("8", list.First<TestType>(t => t.Data.EndsWith("8")).Data);
}
[Test]
public void FirstWithFailingCriteriaThrows()
{
var list = new SimpleResultSet(Records(20));
Assert.Throws<InvalidOperationException>(() => list.First<TestType>(t => t.Data.EndsWith("A")));
}
[Test]
public void FirstOrDefaultWithCriteriaReturnsMatch()
{
var list = new SimpleResultSet(Records(20));
Assert.AreEqual("8", list.FirstOrDefault<TestType>(t => t.Data.EndsWith("8")).Data);
}
[Test]
public void FirstOrDefaultWithFailingCriteriaReturnsNull()
{
var list = new SimpleResultSet(Records(20));
Assert.IsNull(list.FirstOrDefault<TestType>(t => t.Data.EndsWith("A")));
}
[Test]
public void LastReturnsLastElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("9", list.Last().Data);
}
[Test]
public void LastThrowsOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.Throws<InvalidOperationException>(() => list.Last());
}
[Test]
public void LastOrDefaultReturnsLastElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("9", list.LastOrDefault().Data);
}
[Test]
public void LastOrDefaultReturnsNullOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.IsNull(list.LastOrDefault());
}
[Test]
public void LastWithCriteriaReturnsMatch()
{
var list = new SimpleResultSet(Records(20));
Assert.AreEqual("18", list.Last<TestType>(t => t.Data.EndsWith("18")).Data);
}
[Test]
public void LastWithFailingCriteriaThrows()
{
var list = new SimpleResultSet(Records(20));
Assert.Throws<InvalidOperationException>(() => list.Last<TestType>(t => t.Data.EndsWith("A")));
}
[Test]
public void LastOrDefaultWithCriteriaReturnsMatch()
{
var list = new SimpleResultSet(Records(20));
Assert.AreEqual("18", list.LastOrDefault<TestType>(t => t.Data.EndsWith("18")).Data);
}
[Test]
public void LastOrDefaultWithFailingCriteriaReturnsNull()
{
var list = new SimpleResultSet(Records(20));
Assert.IsNull(list.LastOrDefault<TestType>(t => t.Data.EndsWith("A")));
}
[Test]
public void SingleReturnsSingleElement()
{
var list = new SimpleResultSet(Records(1));
Assert.AreEqual("0", list.Single().Data);
}
[Test]
public void SingleThrowsOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.Throws<InvalidOperationException>(() => list.Single());
}
[Test]
public void SingleThrowsOnListWithMoreThanOneElement()
{
var list = new SimpleResultSet(Records(2));
Assert.Throws<InvalidOperationException>(() => list.Single());
}
[Test]
public void SingleOrDefaultReturnsSingleElement()
{
var list = new SimpleResultSet(Records(1));
Assert.AreEqual("0", list.SingleOrDefault().Data);
}
[Test]
public void SingleOrDefaultReturnsNullOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.IsNull(list.SingleOrDefault());
}
[Test]
public void SingleOrDefaultThrowsOnListWithMoreThanOneElement()
{
var list = new SimpleResultSet(Records(2));
Assert.Throws<InvalidOperationException>(() => list.SingleOrDefault());
}
[Test]
public void SingleWithCriteriaMatchingOneRecordReturnsMatch()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("8", list.Single<TestType>(t => t.Data.EndsWith("8")).Data);
}
[Test]
public void SingleWithCriteriaMatchingMultipleRecordsThrows()
{
var list = new SimpleResultSet(Records(20));
Assert.Throws<InvalidOperationException>(() => list.Single<TestType>(t => t.Data.EndsWith("8")));
}
[Test]
public void SingleWithFailingCriteriaThrows()
{
var list = new SimpleResultSet(Records(20));
Assert.Throws<InvalidOperationException>(() => list.Single<TestType>(t => t.Data.EndsWith("A")));
}
[Test]
public void SingleOrDefaultWithCriteriaReturnsMatch()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("8", list.SingleOrDefault<TestType>(t => t.Data.EndsWith("8")).Data);
}
[Test]
public void SingleOrDefaultWithFailingCriteriaReturnsNull()
{
var list = new SimpleResultSet(Records(20));
Assert.IsNull(list.SingleOrDefault<TestType>(t => t.Data.EndsWith("A")));
}
[Test]
public void SingleOrDefaultWithCriteriaMatchingMultipleRecordsThrows()
{
var list = new SimpleResultSet(Records(20));
Assert.Throws<InvalidOperationException>(() => list.SingleOrDefault<TestType>(t => t.Data.EndsWith("8")));
}
[Test]
public void GenericFirstReturnsFirstElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("0", list.First<TestType>().Data);
}
[Test]
public void GenericFirstThrowsOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.Throws<InvalidOperationException>(() => list.First<TestType>());
}
[Test]
public void GenericFirstOrDefaultReturnsFirstElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("0", list.FirstOrDefault<TestType>().Data);
}
[Test]
public void GenericFirstOrDefaultReturnsNullOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.IsNull(list.FirstOrDefault<TestType>());
}
[Test]
public void GenericLastReturnsLastElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("9", list.Last<TestType>().Data);
}
[Test]
public void GenericLastThrowsOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.Throws<InvalidOperationException>(() => list.Last<TestType>());
}
[Test]
public void GenericLastOrDefaultReturnsLastElement()
{
var list = new SimpleResultSet(Records(10));
Assert.AreEqual("9", list.LastOrDefault<TestType>().Data);
}
[Test]
public void GenericLastOrDefaultReturnsNullOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.IsNull(list.LastOrDefault<TestType>());
}
[Test]
public void GenericSingleReturnsSingleElement()
{
var list = new SimpleResultSet(Records(1));
Assert.AreEqual("0", list.Single<TestType>().Data);
}
[Test]
public void GenericSingleThrowsOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.Throws<InvalidOperationException>(() => list.Single<TestType>());
}
[Test]
public void GenericSingleThrowsOnListWithMoreThanOneElement()
{
var list = new SimpleResultSet(Records(2));
Assert.Throws<InvalidOperationException>(() => list.Single<TestType>());
}
[Test]
public void GenericSingleOrDefaultReturnsSingleElement()
{
var list = new SimpleResultSet(Records(1));
Assert.AreEqual("0", list.SingleOrDefault<TestType>().Data);
}
[Test]
public void GenericSingleOrDefaultReturnsNullOnEmptyList()
{
var list = new SimpleResultSet(Records(0));
Assert.IsNull(list.SingleOrDefault<TestType>());
}
[Test]
public void GenericSingleOrDefaultThrowsOnListWithMoreThanOneElement()
{
var list = new SimpleResultSet(Records(2));
Assert.Throws<InvalidOperationException>(() => list.SingleOrDefault<TestType>());
}
[Test]
public void ConvertsToGenericList()
{
dynamic list = new SimpleResultSet(Records(1));
List<dynamic> generic = list;
Assert.IsNotNull(generic);
Assert.AreEqual("0", generic[0].Data);
}
[Test]
public void ConvertsToNonGenericList()
{
dynamic list = new SimpleResultSet(Records(1));
ArrayList generic = list;
Assert.IsNotNull(generic);
Assert.AreEqual("0", ((dynamic)generic[0]).Data);
}
[Test]
public void ConvertsToHashSet()
{
dynamic list = new SimpleResultSet(Records(1));
HashSet<dynamic> generic = list;
Assert.IsNotNull(generic);
Assert.AreEqual("0", generic.Single().Data);
}
[Test]
public void ToArrayCreatesArray()
{
dynamic list = new SimpleResultSet(Records(1));
dynamic[] array = list.ToArray();
Assert.IsNotNull(array);
Assert.AreEqual(1, array.Length);
Assert.AreEqual("0", array[0].Data);
}
[Test]
public void ToGenericArrayCreatesTypedArray()
{
dynamic list = new SimpleResultSet(Records(1));
TestType[] array = list.ToArray<TestType>();
Assert.IsNotNull(array);
Assert.AreEqual(1, array.Length);
Assert.AreEqual("0", array[0].Data);
}
[Test]
public void ToListCreatesList()
{
dynamic list = new SimpleResultSet(Records(1));
List<dynamic> array = list.ToList();
Assert.IsNotNull(array);
Assert.AreEqual(1, array.Count);
Assert.AreEqual("0", array[0].Data);
}
[Test]
public void ToGenericListCreatesTypedList()
{
dynamic list = new SimpleResultSet(Records(1));
List<TestType> converted = list.ToList<TestType>();
Assert.IsNotNull(converted);
Assert.AreEqual(1, converted.Count);
Assert.AreEqual("0", converted[0].Data);
}
[Test]
public void CastToGenericCreatesTypedList()
{
dynamic list = new SimpleResultSet(Records(1));
IEnumerable<TestType> converted = list.Cast<TestType>();
Assert.IsNotNull(converted);
Assert.AreEqual(1, converted.Count());
Assert.AreEqual("0", converted.First().Data);
}
}
class TestType
{
public string Data { get; set; }
}
}