本文整理汇总了C#中System.Data.Entity.Core.EntityClient.EntityConnection.OpenAsync方法的典型用法代码示例。如果您正苦于以下问题：C# EntityConnection.OpenAsync方法的具体用法？C# EntityConnection.OpenAsync怎么用？C# EntityConnection.OpenAsync使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Entity.Core.EntityClient.EntityConnection的用法示例。
在下文中一共展示了EntityConnection.OpenAsync方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: OperationCanceledException_thrown_before_opening_connection_if_task_is_cancelled
public void OperationCanceledException_thrown_before_opening_connection_if_task_is_cancelled()
{
var entityConnection =
new EntityConnection(
/* metadataWorkspace */ null, new Mock<DbConnection>().Object, /* skipInitialization */ true, false);
Assert.Throws<OperationCanceledException>(
() => entityConnection.OpenAsync(new CancellationToken(canceled: true))
.GetAwaiter().GetResult());
}示例2: OpenAsync_checks_connection_before_checking_for_cancellation
public void OpenAsync_checks_connection_before_checking_for_cancellation()
{
// InvalidOperationException(Strings.EntityClient_ConnectionStringNeededBeforeOperation);
Assert.Equal(
Strings.EntityClient_ConnectionStringNeededBeforeOperation,
Assert.Throws<InvalidOperationException>(
() => new EntityConnection().OpenAsync(new CancellationToken(canceled: true))
.GetAwaiter().GetResult()).Message);
var mockDbConnection = new Mock<DbConnection>();
mockDbConnection.Setup(c => c.State).Returns(ConnectionState.Broken);
var entityConnection =
new EntityConnection( /* metadataWorkspace */ null, mockDbConnection.Object, /* skipInitialization */ true, false);
Assert.Equal(
Strings.EntityClient_CannotOpenBrokenConnection,
Assert.Throws<InvalidOperationException>(
() => entityConnection.OpenAsync(new CancellationToken(canceled: true))
.GetAwaiter().GetResult()).Message);
}示例3: Should_use_interception
public void Should_use_interception()
{
var mockConnection = new Mock<DbConnection>();
mockConnection.SetupGet(m => m.DataSource).Returns("Foo");
mockConnection.SetupGet(m => m.State).Returns(ConnectionState.Closed);
var mockStoreItemCollection = new Mock<StoreItemCollection>();
mockStoreItemCollection
.SetupGet(m => m.ProviderFactory)
.Returns(DbProviderServices.GetProviderFactory(new SqlConnection()));
var mockMetadataWorkspace = new Mock<MetadataWorkspace>();
mockMetadataWorkspace
.Setup(m => m.GetItemCollection(DataSpace.SSpace))
.Returns(mockStoreItemCollection.Object);
var objectContext = new ObjectContext();
var mockConnectionInterceptor = new Mock<IDbConnectionInterceptor>();
mockConnectionInterceptor
.Setup(m => m.Opening(mockConnection.Object, It.IsAny<DbConnectionInterceptionContext>()))
.Callback<DbConnection, MutableInterceptionContext>(
(_, c) => Assert.Equal(new[] { objectContext }, c.ObjectContexts));
mockConnectionInterceptor
.Setup(m => m.Opened(mockConnection.Object, It.IsAny<DbConnectionInterceptionContext>()))
.Callback<DbConnection, MutableInterceptionContext>(
(_, c) => mockConnection.Verify(m => m.OpenAsync(It.IsAny<CancellationToken>()), Times.Once()));
mockConnection
.Setup(m => m.OpenAsync(It.IsAny<CancellationToken>()))
.Returns(
() =>
{
mockConnection
.SetupGet(m => m.State).Returns(ConnectionState.Open);
mockConnection.Raise(
m => m.StateChange += null, new StateChangeEventArgs(ConnectionState.Closed, ConnectionState.Open));
return Task.FromResult(true);
});
EntityConnection connection;
DbInterception.Add(mockConnectionInterceptor.Object);
try
{
connection
= new EntityConnection(
mockMetadataWorkspace.Object,
mockConnection.Object,
true,
true);
connection.AssociateContext(objectContext);
connection.OpenAsync().Wait();
}
finally
{
DbInterception.Remove(mockConnectionInterceptor.Object);
}
mockConnectionInterceptor.Verify(m => m.Opening(mockConnection.Object, It.IsAny<DbConnectionInterceptionContext>()),
Times.Once());
mockConnectionInterceptor.Verify(m => m.Opened(mockConnection.Object, It.IsAny<DbConnectionInterceptionContext>()),
Times.Once());
mockConnectionInterceptor
.Verify(m => m.Opened(mockConnection.Object, It.IsAny<DbConnectionInterceptionContext>()), Times.Once());
mockConnectionInterceptor.Verify(
m => m.StateGetting(It.IsAny<DbConnection>(), It.IsAny<DbConnectionInterceptionContext<ConnectionState>>()),
Times.Exactly(3));
mockConnectionInterceptor.Verify(
m => m.StateGot(It.IsAny<DbConnection>(), It.IsAny<DbConnectionInterceptionContext<ConnectionState>>()),
Times.Exactly(3));
mockConnection.Verify(m => m.State, Times.Exactly(3));
Assert.Equal(ConnectionState.Open, connection.State);
}示例4: Underlying_dbConnection_is_not_being_closed_if_it_was_initially_open_such_that_it_cannot_be_reopend
public void Underlying_dbConnection_is_not_being_closed_if_it_was_initially_open_such_that_it_cannot_be_reopend()
{
var dbConnectionMock = new Mock<DbConnection>(MockBehavior.Strict);
dbConnectionMock.Setup(m => m.OpenAsync(It.IsAny<CancellationToken>())).Returns(Task.FromResult(1));
dbConnectionMock.Setup(m => m.Close()).Verifiable();
dbConnectionMock.SetupGet(m => m.State).Returns(ConnectionState.Open);
dbConnectionMock.SetupGet(m => m.DataSource).Returns("fake");
var entityConnection = new EntityConnection(
new Mock<MetadataWorkspace>(MockBehavior.Strict).Object, dbConnectionMock.Object, true, true);
Assert.Equal(ConnectionState.Open, entityConnection.State);
Assert.Equal(ConnectionState.Open, entityConnection.StoreConnection.State);
Assert.Equal(
Strings.EntityClient_CannotReopenConnection,
Assert.Throws<InvalidOperationException>(
() => ExceptionHelpers.UnwrapAggregateExceptions(
() => entityConnection.OpenAsync().Wait())).Message);
dbConnectionMock.Verify(m => m.Close(), Times.Never());
Assert.Equal(ConnectionState.Open, entityConnection.State);
Assert.Equal(ConnectionState.Open, entityConnection.StoreConnection.State);
}