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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity.Internal
{
using System.ComponentModel;
using System.Data.Entity.Resources;
using System.Linq.Expressions;
using Moq;
using Xunit;
public class InternalSqlNonSetQueryTests
{
[Fact]
public void ToString_returns_the_query()
{
var query = MockHelper.CreateInternalSqlNonSetQuery("select * from products");
Assert.Equal("select * from products", query.ToString());
}
[Fact]
public void ToString_returns_the_query_but_not_the_parameters()
{
var query = MockHelper.CreateInternalSqlNonSetQuery(
"select * from Products where Id < {0} and CategoryId = {1}", false, 4, "Beverages");
Assert.Equal("select * from Products where Id < {0} and CategoryId = {1}", query.ToString());
}
[Fact]
public void Non_generic_non_entity_SQL_query_ContainsListCollection_returns_false()
{
var query = MockHelper.CreateInternalSqlNonSetQuery("query");
Assert.False(((IListSource)query).ContainsListCollection);
}
[Fact]
public void Non_generic_non_entity_SQL_query_GetList_throws_indicating_that_binding_to_queries_is_not_allowed()
{
var query = MockHelper.CreateInternalSqlNonSetQuery("query");
Assert.Equal(
Strings.DbQuery_BindingToDbQueryNotSupported,
Assert.Throws<NotSupportedException>(() => ((IListSource)query).GetList()).Message);
}
[Fact]
public void InternalSqlNonSetQuery_delegates_to_InternalSet_correctly_with_streaming()
{
InternalSqlNonSetQuery_delegates_to_InternalSet_correctly(true);
}
[Fact]
public void InternalSqlNonSetQuery_delegates_to_InternalSet_correctly_with_buffering()
{
InternalSqlNonSetQuery_delegates_to_InternalSet_correctly(false);
}
private void InternalSqlNonSetQuery_delegates_to_InternalSet_correctly(bool streaming)
{
var parameters = new[] { "bar" };
#if !NET40
VerifyMethod<string>(
e => e.GetAsyncEnumerator(), m => m.ExecuteSqlQueryAsync(typeof(string), "foo", streaming, parameters),
"foo", streaming, parameters);
#endif
VerifyMethod<string>(
e => e.GetEnumerator(), m => m.ExecuteSqlQuery(typeof(string), "foo", streaming, parameters),
"foo", streaming, parameters);
}
internal void VerifyMethod<T>(
Action<InternalSqlNonSetQuery> methodInvoke, Expression<Action<InternalContextForMock>> mockMethodInvoke,
string sql, bool streaming, object[] parameters)
where T : class
{
Assert.NotNull(methodInvoke);
Assert.NotNull(mockMethodInvoke);
var internalContextMock = new Mock<InternalContextForMock>();
var sqlSetQuery = new InternalSqlNonSetQuery(internalContextMock.Object, typeof(T), sql, streaming, parameters);
try
{
methodInvoke(sqlSetQuery);
}
catch (Exception)
{
}
internalContextMock.Verify(mockMethodInvoke, Times.Once());
}
}
}
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