public void QueryContextOfT_Add_AlreadyAddedType()
{
var context = new QueryContext <Item>(_kernel.Object);
context.Add(new QueryComponent(SyntaxComponent.Command, ""));
Assert.Throws <InvalidOperationException>(() => context.Add(new QueryComponent(SyntaxComponent.Command, "")));
}
public void QueryContextOfT_Select_AnonymOutput()
{
var item = new { IDs = 5, N = "n" };
var data = new[] { item };
var executor = new Mock <IExecutionContext>();
executor.Setup(exp => exp.Execute(It.IsAny <CompiledQuery>())).Returns(() => new DataReaderContext(new MockedDataReader(data, item.GetType())));
var compiler = new Mock <IQueryCompiler>();
compiler.Setup(exp => exp.Compile(It.IsAny <ComponentContainer>())).Returns(() => new CompiledQuery());
var kernel = new ExecutionKernel(compiler.Object, executor.Object);
// Execute
var context = new QueryContext <Item>(kernel);
context.Add(new QueryComponent(SyntaxComponent.Keytable, "Item"));
var items = context.Select(a => new { IDs = a.ID, N = a.Name });
Assert.IsNotNull(context.Components.Single(c => c.Type == SyntaxComponent.Command && c.Expression == "SELECT"));
Assert.IsNotNull(context.Components.Single(c => c.Type == SyntaxComponent.Keyword && c.Expression == "FROM"));
Assert.IsNotNull(context.Components.Single(c => c.Type == SyntaxComponent.FieldList && c.Expression == "Item.ID AS IDs, Item.Name AS N"));
Assert.That(items.Any());
Assert.That(items.First().IDs == 5);
Assert.That(items.First().N == "n");
}
public void QueryContextOfT_Add()
{
var context = new QueryContext <Item>(_kernel.Object);
context.Add(new QueryComponent(SyntaxComponent.Command, ""));
Assert.That(context.Components.All(c => c.Type == SyntaxComponent.Command));
}
public void QueryContextOfT_Select()
{
_kernel.Setup(exp => exp.Execute <Item>(It.IsAny <ComponentContainer>())).Returns(() => new List <Item>());
var context = new QueryContext <Item>(_kernel.Object);
context.Add(new QueryComponent(SyntaxComponent.Keytable, "Item"));
var items = context.Select();
Assert.IsNotNull(context.Components.Single(c => c.Type == SyntaxComponent.Command && c.Expression == "SELECT"));
Assert.IsNotNull(context.Components.Single(c => c.Type == SyntaxComponent.Keyword && c.Expression == "FROM"));
Assert.IsNotNull(context.Components.Single(c => c.Type == SyntaxComponent.FieldList && c.Expression == "ID, Name"));
_kernel.Verify(exp => exp.Execute <Item>(It.IsAny <ComponentContainer>()), Times.Once);
Assert.IsNotNull(items);
}