public void ResolveDataSourceReturnsNullIfTheDataSourceIsNotDefinedButOthersAre()
{
DataSourceTable table = new DataSourceTable();
table.DefineDataSource("someOtherSource");
Assert.IsNull(table.ResolveDataSource("test"));
}
public void DefineDataSourceReturnsTheSameDataSourceIfAlreadyDefined()
{
DataSourceTable table = new DataSourceTable();
DataSource source = table.DefineDataSource("source");
Assert.AreSame(source, table.DefineDataSource("source"));
}
public void ResolveDataSourceReturnsADataSource()
{
DataSourceTable table = new DataSourceTable();
DataSource source1 = table.DefineDataSource("source1");
Assert.IsNotNull(source1);
DataSource source2 = table.DefineDataSource("source2");
Assert.IsNotNull(source2);
Assert.AreSame(source1, table.ResolveDataSource("source1"));
Assert.AreSame(source2, table.ResolveDataSource("source2"));
}
/// <summary>
/// Defines a new data source within this data context if one does not exist.
/// Otherwise returns the existing one.
/// </summary>
/// <param name="name">The data source name.</param>
/// <returns>The defined data source.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="name"/> is null.</exception>
public DataSource DefineDataSource(string name)
{
if (dataSourceTable == null)
dataSourceTable = new DataSourceTable();
return dataSourceTable.DefineDataSource(name);
}
public void ResolveDataSourceThrowsIfNameIsNull()
{
DataSourceTable table = new DataSourceTable();
table.ResolveDataSource(null);
}
public void DefineDataSourceThrowsIfNameIsNull()
{
DataSourceTable table = new DataSourceTable();
table.DefineDataSource(null);
}
public void ResolveDataSourceReturnsNullIfNoDataSourcesAreDefined()
{
DataSourceTable table = new DataSourceTable();
Assert.IsNull(table.ResolveDataSource("test"));
}