public void TestEmptListThrowsExceptionOk()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
Assert.Throws<ArgumentException>( () => env.CompareAndLogList(new String[] { }, new String[] {}));
//VERIFY
}
}
public void TestSupportedSingleOk()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
env.CompareAndLogSingleton(1, 1);
//VERIFY
classEnv.GetLastMethodLog().State.ShouldEqual(LogStates.Supported);
}
}
public void TestNoSupportedListResultsWrongOk()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
Assert.Throws<AssertionException>(() => env.CompareAndLogList(new String[] { "fred" }, new String[] { }));
//VERIFY
classEnv.GetLastMethodLog().State.ShouldEqual(LogStates.NotSupported);
}
}
public void TestNotSupportedSingleResultsWrongOk()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
Assert.Throws<AssertionException>(() => env.CompareAndLogSingleton(1,2));
//VERIFY
classEnv.GetLastMethodLog().State.ShouldEqual(LogStates.NotSupported);
}
}
public void TestSupportedListOk()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
env.CompareAndLogList(new String[] { "fred" }, new String[] { "fred" });
//VERIFY
classEnv.GetLastMethodLog().State.ShouldEqual(LogStates.Supported);
}
}
public async Task TestIntEqualsConstant()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = await env.Db.EfParents.Select(x => x.ParentInt == 123).ToListAsync();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = await env.Db.EfParents.Select(x => x.IntEqualsConstant).DecompileAsync().ToListAsync();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public async Task TestBoolEqualsStaticVariableToArrayAsync()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = await env.Db.EfParents.Select(x => x.ParentBool == staticBool).ToListAsync();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = await env.Db.EfParents.Select(x => x.BoolEqualsStaticVariable).DecompileAsync().ToListAsync();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestDateTimeWhereCompareWithStaticVariable()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Where(x => x.StartDate > dateConst).Select( x => x.StartDate).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Where(x => x.StartDateGreaterThanStaticVar).Select( x => x.StartDate).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestIntEqualsStringLength()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Select(x => x.ParentInt == x.ParentString.Length).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Select(x => x.IntEqualsStringLength).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestWhereIntEqualsConstant()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Where(x => x.ParentInt == 123).Select(x => x.EfParentId).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Where(x => x.IntEqualsConstant).Select(x => x.EfParentId).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestAnyChildrenWithFilter()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Select(x => x.Children.Any( y => y.ChildInt == 123)).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Select(x => x.AnyChildrenWithFilter).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestNullableInit()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Select(x => new Nullable<int>()).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Select(x => x.NullableInit).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestWhereBoolEqualsStaticVariable()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Where(x => x.ParentBool == staticBool).Select(x => x.EfParentId).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Where(x => x.BoolEqualsStaticVariable).Select(x => x.EfParentId).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestSingletonAllFilter()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.All(x => x.ParentInt == 123);
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Decompile().All(x => x.IntEqualsConstant);
//VERIFY
env.CompareAndLogSingleton(linq, dd);
}
}
public void TestConcatenatePersonNotHandleNull()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfPersons.Select(x => x.FirstName + " " + x.MiddleName + " " + x.LastName).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfPersons.Select(x => x.FullNameNoNull).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestSumCountInChildrenWhereChildrenCanBeNone()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Select(x => x.Children.Sum( y => (int?)y.ChildInt) ?? 0).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Select(x => x.SumIntInChildrenWhereChildrenCanBeNone).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestSingletonSumChildren()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Sum(x => x.Children.Count());
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Decompile().Sum(x => x.CountChildren);
//VERIFY
env.CompareAndLogSingleton(linq, dd);
}
}
public void TestOrderByChildrenCountThenByStringLength()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.OrderBy(x => x.Children.Count).ThenBy( x => x.ParentString.Length).Select(x => x.EfParentId).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.OrderBy(x => x.CountChildren).ThenBy( x => x.GetStringLength).Select(x => x.EfParentId).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestStringContainsConstantStringWithFilter()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq =
env.Db.EfParents.Where(x => x.ParentString.Contains("2")).Select(x => x.ParentString).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Where(x => x.StringContainsConstantString).Select(x => x.ParentString).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestCountChildren()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Select(x => x.Children.Count).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Select(x => x.CountChildren).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestWhereAnyChildrenThenOrderByThenSkipTake()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfParents.Where(x => x.Children.Any()).OrderBy(x => x.Children.Count).Select(x => x.EfParentId).Skip(1).Take(1).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Where(x => x.AnyChildren).OrderBy(x => x.CountChildren).Select(x => x.EfParentId).Decompile().Skip(1).Take(1).ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestConcatenatePersonHandleNameOrder()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfPersons.Select(x => x.NameOrder
? x.LastName +", " + x.FirstName + (x.MiddleName == null ? "" : " ")
: x.FirstName + (x.MiddleName == null ? "" : " ") + x.MiddleName + " " + x.LastName).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfPersons.Select(x => x.UseOrderToFormatNameStyle).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public void TestCountChildrenWithFilterByExternalClosure()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var i = 123;
var linq = env.Db.EfParents.Select(x => x.Children.Count(y => y.ChildInt == i)).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfParents.Select(x => x.GetCountChildrenWithFilterByExternalClosure(i)).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
public static void CompareAndLogSingleton <T>(this MethodEnvironment env, T linqResult, T ddResult,
[CallerLineNumber] int sourceLineNumber = 0)
{
if (typeof(T).IsSubclassOf(typeof(List)))
{
throw new ArgumentException("You should use CompareAndLogCollection for comparing lists.");
}
try
{
Assert.AreEqual(linqResult, ddResult);
}
catch (Exception)
{
env.LogFailer(sourceLineNumber);
throw;
}
env.LogSuccess(sourceLineNumber);
}
public void TestLinqExceptionOk()
{
try
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
throw new Exception("Failed");
}
}
catch
{
//VERIFY
classEnv.GetLastMethodLog().State.ShouldEqual(LogStates.EvenLinqDidNotWork);
}
}
public static void CompareAndLogList <T>(this MethodEnvironment env, IList <T> linqResult, IList <T> ddResult,
[CallerLineNumber] int sourceLineNumber = 0)
{
if (!linqResult.Any())
{
throw new ArgumentException("The linq result was empty, so this was not a fair test.");
}
try
{
CollectionAssert.AreEqual(linqResult, ddResult);
}
catch (Exception)
{
env.LogFailer(sourceLineNumber);
throw;
}
env.LogSuccess(sourceLineNumber);
}
public void TestDelegateDEcompilerExceptionOk()
{
try
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
//ATTEMPT
env.AboutToUseDelegateDecompiler();
throw new Exception("Failed");
}
}
catch
{
//VERIFY
classEnv.GetLastMethodLog().State.ShouldEqual(LogStates.NotSupported);
}
}
public void TestSingleIntEqualsUniqueValue()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq =
env.Db.EfParents.Select(x => new {x.EfParentId, x.ParentInt})
.Single(x => x.ParentInt == DatabaseHelpers.ParentIntUniqueValue).EfParentId;
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd =
env.Db.EfParents.Select(x => new {x.EfParentId, x.IntEqualsUniqueValue})
.Decompile()
.Single(x => x.IntEqualsUniqueValue)
.EfParentId;
//VERIFY
env.CompareAndLogSingleton(linq, dd);
}
}
public void TestSelectMethodWithoutComputedAttribute()
{
using (var env = new MethodEnvironment(classEnv))
{
//SETUP
var linq = env.Db.EfPersons.Select(x => x.FirstName + " " + x.MiddleName + " " + x.LastName).ToList();
//ATTEMPT
env.AboutToUseDelegateDecompiler();
var dd = env.Db.EfPersons.Select(x => x.GetFullNameNoAttibute()).Decompile().ToList();
//VERIFY
env.CompareAndLogList(linq, dd);
}
}
