public void AMicroLiteExceptionIsThrown()
{
var session = new ReadOnlySession(
ConnectionScope.PerTransaction,
new Mock <ISqlDialect>().Object,
new Mock <IDbDriver>().Object);
var exception = Assert.Throws <MicroLiteException>(
() => session.PagedAsync <Customer>(new SqlQuery(""), PagingOptions.None).Result);
Assert.Equal(ExceptionMessages.Session_PagingOptionsMustNotBeNone, exception.Message);
}
public void PagedThrowsArgumentNullExceptionForNullSqlQuery()
{
var session = new ReadOnlySession(
ConnectionScope.PerTransaction,
new Mock <ISqlDialect>().Object,
new Mock <IDbDriver>().Object);
var exception = Assert.Throws <ArgumentNullException>(
() => session.PagedAsync <Customer>(null, PagingOptions.ForPage(1, 25)).Result);
Assert.Equal("sqlQuery", exception.ParamName);
}
public void PagedThrowsObjectDisposedExceptionIfDisposed()
{
var session = new ReadOnlySession(
ConnectionScope.PerTransaction,
new Mock <ISqlDialect>().Object,
new Mock <IDbDriver>().Object);
using (session)
{
}
Assert.Throws <ObjectDisposedException>(() => session.PagedAsync <Customer>(null, PagingOptions.ForPage(1, 25)).Result);
}
public void PagedExecutesAndReturnsResultsForTenthPageWithTwentyFivePerPage()
{
var sqlQuery = new SqlQuery("SELECT * FROM TABLE");
var countQuery = new SqlQuery("SELECT COUNT(*) FROM TABLE");
var pagedQuery = new SqlQuery("SELECT * FROM (SELECT *, ROW_NUMBER() OVER(ORDER BY (SELECT NULL)) AS MicroLiteRowNumber FROM Customers) AS Customers");
var combinedQuery = new SqlQuery("SELECT COUNT(*) FROM TABLE;SELECT * FROM (SELECT *, ROW_NUMBER() OVER(ORDER BY (SELECT NULL)) AS MicroLiteRowNumber FROM Customers) AS Customers");
var mockSqlDialect = new Mock <ISqlDialect>();
mockSqlDialect.Setup(x => x.CountQuery(sqlQuery)).Returns(countQuery);
mockSqlDialect.Setup(x => x.PageQuery(sqlQuery, PagingOptions.ForPage(10, 25))).Returns(pagedQuery);
var mockReader = new Mock <IDataReader>();
mockReader.Setup(x => x.FieldCount).Returns(new Queue <int>(new[] { 1, 0 }).Dequeue);
mockReader.Setup(x => x[0]).Returns(1000); // Simulate 1000 records in the count query
mockReader.Setup(x => x.NextResult()).Returns(new Queue <bool>(new[] { true, false }).Dequeue);
mockReader.Setup(x => x.Read()).Returns(new Queue <bool>(new[] { true, false, true, false }).Dequeue);
mockReader.As <IDisposable>().Setup(x => x.Dispose());
var mockCommand = new Mock <IDbCommand>();
mockCommand.Setup(x => x.ExecuteReader(It.IsAny <CommandBehavior>())).Returns(mockReader.Object);
var mockConnection = new Mock <IDbConnection>();
mockConnection.Setup(x => x.CreateCommand()).Returns(mockCommand.Object);
var mockDbDriver = new Mock <IDbDriver>();
mockDbDriver.Setup(x => x.CreateConnection()).Returns(new MockDbConnectionWrapper(mockConnection.Object));
mockDbDriver.Setup(x => x.SupportsBatchedQueries).Returns(true);
mockDbDriver.Setup(x => x.Combine(countQuery, pagedQuery)).Returns(combinedQuery);
var session = new ReadOnlySession(
ConnectionScope.PerTransaction,
mockSqlDialect.Object,
mockDbDriver.Object);
var page = session.PagedAsync <Customer>(sqlQuery, PagingOptions.ForPage(10, 25)).Result;
Assert.Equal(10, page.Page);
Assert.Equal(1, page.Results.Count);
mockReader.VerifyAll();
mockCommand.VerifyAll();
mockConnection.VerifyAll();
mockSqlDialect.VerifyAll();
}