public void Process_ChainedMemberAccess_LongChain_WithNullableValueType()
{
// Arrange
var expected = "TestVal";
var model = new Chain0Model
{
Chain1 = new Chain1Model
{
NullableValueTypeModel = new ValueType1
{
TestModel = new TestModel {
DifferentModel = new DifferentModel {
Name = expected
}
}
}
}
};
var expression = GetExpression <Chain0Model, string>(m => m.Chain1.NullableValueTypeModel.Value.TestModel.DifferentModel.Name);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Equal(expected, result);
}
public void CreateInstance_WithAbstractTypeAndPublicConstructor_ThrowsCorrectException()
{
// Act & Assert
var ex = Assert2.Throws <InvalidOperationException>(() => ActivatorUtilities.CreateInstance(default(IServiceProvider), typeof(AbstractFoo)));
//var msg = "A suitable constructor for type 'Microsoft.Extensions.DependencyInjection.Specification.DependencyInjectionSpecificationTests+AbstractFoo' could not be located. Ensure the type is concrete and services are registered for all parameters of a public constructor.";
Assert2.NotNull(ex.Message);
}
//[Theory]
//[MemberData(nameof(CreateInstanceFuncs))]
public void TypeActivatorWorksWithStaticCtor_Theory(CreateInstanceFunc createFunc)
{
// Act
var anotherClass = CreateInstance <ClassWithStaticCtor>(createFunc, provider: null);
// Assert
Assert2.NotNull(anotherClass);
}
public void ObjectToDictionary_WithPlainObjectType_ReturnsEmptyDictionary()
{
// Arrange
var value = new object();
// Act
var dictValues = PropertyHelper.ObjectToDictionary(value);
// Assert
Assert2.NotNull(dictValues);
Assert2.Equal(0, dictValues.Count);
}
public void ObjectToDictionary_WithNullObject_ReturnsEmptyDictionary()
{
// Arrange
object value = null;
// Act
var dictValues = PropertyHelper.ObjectToDictionary(value);
// Assert
Assert2.NotNull(dictValues);
Assert2.Equal(0, dictValues.Count);
}
public void PropertyHelper_ReturnsGetterDelegate()
{
// Arrange
var anonymous = new { bar = "baz" };
var property = PropertyHelper.GetPropertyAccessors(anonymous.GetType()).First().Property;
// Act
var helper = new PropertyHelper.PropertyAccessor(property);
// Assert
Assert2.NotNull(helper.ValueGetter);
Assert2.Equal("baz", helper.ValueGetter(anonymous));
}
public void Process_ConstFieldLookup_WthNullModel()
{
// Arrange
var expression = GetTestModelExpression(m => DifferentModel.Constant);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(null);
Assert2.Equal(10, result);
}
public void Process_CachesStaticPropertyAccess()
{
// Arrange
var expression1 = GetTestModelExpression(m => TestModel.StaticProperty);
var expression2 = GetTestModelExpression(m => TestModel.StaticProperty);
// Act
var func1 = CachedExpressionCompiler.Process(expression1);
var func2 = CachedExpressionCompiler.Process(expression2);
// Assert
Assert2.NotNull(func1);
Assert2.Same(func1, func2);
}
public void ObjectToDictionary_ReturnsCaseInsensitiveDictionary()
{
// Arrange
var value = new { TEST = "value", oThEr = 1 };
// Act
var dictValues = PropertyHelper.ObjectToDictionary(value);
// Assert
Assert2.NotNull(dictValues);
Assert2.Equal(2, dictValues.Count);
Assert2.Equal("value", dictValues["test"]);
Assert2.Equal(1, dictValues["other"]);
}
public void ObjectToDictionary_WithAnonymousType_LooksUpProperties()
{
// Arrange
var value = new { test = "value", other = 1 };
// Act
var dictValues = PropertyHelper.ObjectToDictionary(value);
// Assert
Assert2.NotNull(dictValues);
Assert2.Equal(2, dictValues.Count);
Assert2.Equal("value", dictValues["test"]);
Assert2.Equal(1, dictValues["other"]);
}
public void Process_CachesSimpleMemberAccess()
{
// Arrange
var expression1 = GetTestModelExpression(m => m.Name);
var expression2 = GetTestModelExpression(m => m.Name);
// Act
var func1 = CachedExpressionCompiler.Process(expression1);
var func2 = CachedExpressionCompiler.Process(expression2);
// Assert
Assert2.NotNull(func1);
Assert2.Same(func1, func2);
}
public void Process_CachesIdentityExpression()
{
// Arrange
var expression1 = GetTestModelExpression(m => m);
var expression2 = GetTestModelExpression(m => m);
// Act
var func1 = CachedExpressionCompiler.Process(expression1);
var func2 = CachedExpressionCompiler.Process(expression2);
// Assert
Assert2.NotNull(func1);
Assert2.Same(func1, func2);
}
public void Process_CachesChainedMemberAccess_ToValueType()
{
// Arrange
var expression1 = GetTestModelExpression(m => m.Date.Year);
var expression2 = GetTestModelExpression(m => m.Date.Year);
// Act
var func1 = CachedExpressionCompiler.Process(expression1);
var func2 = CachedExpressionCompiler.Process(expression2);
// Assert
Assert2.NotNull(func1);
Assert2.Same(func1, func2);
}
public async Task TargetMethodReturningValueTaskOfValueType_CanBeInvokedViaExecuteAsync()
{
// Arrange
var executor = GetExecutorForMethod(nameof(TestObject.ValueTaskOfValueType));
// Act
var result = await executor.ExecuteAsync(_targetObject, new object[] { 123 });
// Assert
Assert2.True(executor.IsMethodAsync);
Assert2.Same(typeof(int), executor.AsyncResultType);
Assert2.NotNull(result);
Assert2.Equal(123, (int)result);
}
public async Task TargetMethodReturningCustomAwaitableOfReferenceType_CanInvokeViaExecute()
{
// Arrange
var executor = GetExecutorForMethod(nameof(TestObject.CustomAwaitableOfReferenceTypeAsync));
// Act
var result = await(TestAwaitable <TestObject>) executor.Execute(_targetObject, new object[] { "Hello", 123 });
// Assert
Assert2.True(executor.IsMethodAsync);
Assert2.Same(typeof(TestObject), executor.AsyncResultType);
Assert2.NotNull(result);
Assert2.Equal("Hello 123", result.value);
}
public void Process_ConstLookup_WithNullModel()
{
// Arrange
var differentModel = new DifferentModel();
var expression = GetTestModelExpression(m => differentModel);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(null);
Assert2.Same(differentModel, result);
}
public void Process_ChainedMemberAccess_ToReferenceType_WithNullModel()
{
// Arrange
var model = (TestModel)null;
var expression = GetTestModelExpression(m => m.DifferentModel.Name);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Null(result);
}
public void Process_IdentityExpression()
{
// Arrange
var model = new TestModel();
var expression = GetTestModelExpression(m => m);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Same(model, result);
}
public void Process_ConstLookup_ReturningNull()
{
// Arrange
var model = new TestModel();
var expression = GetTestModelExpression(m => (DifferentModel)null);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Null(result);
}
public void Process_SimpleMemberAccess_OnNullableValueType_WithNullValue()
{
// Arrange
var nullableModel = (DateTime?)null;
var expression = GetExpression <DateTime?, DateTime>(m => m.Value);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(nullableModel);
Assert2.Null(result);
}
public void Process_SimpleMemberAccess_OnValueType_WithDefaultValue()
{
// Arrange
var model = default(DateTime);
var expression = GetExpression <DateTime, int>(m => m.Year);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Equal(1, result);
}
public void Process_ConstLookup_WithPrimitiveConstant()
{
// Arrange
var model = new TestModel();
var expression = GetTestModelExpression(m => 10);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Equal(10, result);
}
public void Process_SimpleMemberAccess_OnTypeWithBadEqualityComparer_WithNullModel()
{
// Arrange
var model = (BadEqualityModel)null;
var expression = GetExpression <BadEqualityModel, int>(m => m.Id);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Null(result);
}
public void Process_SimpleMemberAccess_ToPrimitive_WithNullModel()
{
// Arrange
var model = (TestModel)null;
var expression = GetTestModelExpression(m => m.Age);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Null(result);
}
public void Process_StaticFieldAccess()
{
// Arrange
var model = new TestModel();
var expression = GetTestModelExpression(m => TestModel.StaticField);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Equal("StaticValue", result);
}
public void Process_SimpleMemberAccess_OnTypeWithBadEqualityComparer_WithDefaultValue()
{
// Arrange
var model = default(BadEqualityValueTypeModel);
var expression = GetExpression <BadEqualityValueTypeModel, int>(m => m.Id);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Equal(model.Id, result);
}
public async Task TargetMethodReturningCustomAwaitableOfValueType_CanInvokeViaExecuteAsync()
{
// Arrange
var executor = GetExecutorForMethod(nameof(TestObject.CustomAwaitableOfValueTypeAsync));
// Act
var result = await executor.ExecuteAsync(_targetObject, new object[] { 123, 456 });
// Assert
Assert2.True(executor.IsMethodAsync);
Assert2.Same(typeof(int), executor.AsyncResultType);
Assert2.NotNull(result);
Assert2.IsType <int>(result);
Assert2.Equal(579, (int)result);
}
public void GetProperties_ExcludesIndexersAndPropertiesWithoutPublicGetters()
{
// Arrange
var type = typeof(DerivedClassWithNonReadableProperties);
// Act
var result = PropertyHelper.GetPropertyAccessors(type).ToArray();
// Assert
Assert2.NotNull(result);
//Assert2.Equal(3, result.Length);
//Assert2.Equal("Visible", result[0].Name);
//Assert2.Equal("PropA", result[1].Name);
//Assert2.Equal("PropB", result[2].Name);
}
public void Process_SimpleMemberAccess_OnNullableValueType()
{
// Arrange
var model = new DateTime(2000, 1, 1);
var nullableModel = (DateTime?)model;
var expression = GetExpression <DateTime?, DateTime>(m => m.Value);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(nullableModel);
Assert2.Equal(model, result);
}
public void Process_CapturedVariable_WithNullModel()
{
// Arrange
var differentModel = new DifferentModel();
var model = (TestModel)null;
var expression = GetTestModelExpression(m => differentModel);
// Act
var func = CachedExpressionCompiler.Process(expression);
// Assert
Assert2.NotNull(func);
var result = func(model);
Assert2.Same(differentModel, result);
}