public void GivenExpressionWithSingleTableExpression_WhenReordered_ReturnsOriginalExpression()
{
var inputExpression = SqlRootExpression.WithTableExpressions(
new TableExpression(null, null, null, TableExpressionKind.Normal));
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(NormalizedPredicateReorderer.Instance);
Assert.Equal(inputExpression, visitedExpression);
}
public void GivenExpressionWithNoMissingParameterExpression_WhenVisited_OriginalExpressionReturned()
{
var tableExpressions = new List <TableExpression>
{
new TableExpression(null, null, null, TableExpressionKind.Normal),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(MissingSearchParamVisitor.Instance);
Assert.Equal(inputExpression, visitedExpression);
}
public void GivenExpressionWithMulthMultipleTableExpressions_WhenReordered_IncludeExpressionReturnedLast()
{
var tableExpressions = new List <TableExpression>
{
new TableExpression(new IncludeQueryGenerator(), null, null, TableExpressionKind.Include),
new TableExpression(null, null, null, TableExpressionKind.Normal),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(NormalizedPredicateReorderer.Instance);
Assert.Collection(visitedExpression.TableExpressions, new[] { 1, 0 }.Select <int, Action <TableExpression> >(x => e => Assert.Equal(tableExpressions[x], e)).ToArray());
}
public void GivenExpressionWithMulthMultipleTableExpressions_WhenReordered_DenormilizedExpressionReturnedFirst()
{
var tableExpressions = new List <TableExpression>
{
new TableExpression(new ReferenceSearchParameterQueryGenerator(), NormalExpression, null, TableExpressionKind.Normal),
new TableExpression(null, null, Expression.Equals(FieldName.String, null, "TestId"), TableExpressionKind.All),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(NormalizedPredicateReorderer.Instance);
Assert.Collection(visitedExpression.TableExpressions, new[] { 1, 0 }.Select <int, Action <TableExpression> >(x => e => Assert.Equal(tableExpressions[x], e)).ToArray());
}
public void GivenExpressionWithMultipleTableExpressions_WhenReordered_MissingParameterExpressionReturnedBeforeNotExpression()
{
var tableExpressions = new List <TableExpression>
{
new TableExpression(null, NotExpression, null, TableExpressionKind.Normal),
new TableExpression(null, new MissingSearchParameterExpression(new SearchParameterInfo("TestParam"), true), null, TableExpressionKind.Normal),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(NormalizedPredicateReorderer.Instance);
Assert.Collection(visitedExpression.TableExpressions, new[] { 1, 0 }.Select <int, Action <TableExpression> >(x => e => Assert.Equal(tableExpressions[x], e)).ToArray());
}
public void GivenExpressionWithMissingParameterExpressionLast_WhenVisited_MissingParameterExpressionNegated()
{
var tableExpressions = new List <TableExpression>
{
new TableExpression(null, null, null, TableExpressionKind.Normal),
new TableExpression(null, new MissingSearchParameterExpression(new SearchParameterInfo("TestParam"), true), null, TableExpressionKind.Normal),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(MissingSearchParamVisitor.Instance);
Assert.Collection(
visitedExpression.TableExpressions,
e => { Assert.Equal(tableExpressions[0], e); },
e => { Assert.Equal(TableExpressionKind.NotExists, e.Kind); });
}
public void GivenExpressionWithMissingParameterExpression_WhenVisited_AllExpressionPrependedToExpressionList()
{
var tableExpressions = new List <TableExpression>
{
new TableExpression(null, new MissingSearchParameterExpression(new SearchParameterInfo("TestParam"), true), null, TableExpressionKind.Normal),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(MissingSearchParamVisitor.Instance);
Assert.Collection(
visitedExpression.TableExpressions,
e => { Assert.Equal(TableExpressionKind.All, e.Kind); },
e => { Assert.NotNull(e.NormalizedPredicate as MissingSearchParameterExpression); });
Assert.Equal(tableExpressions.Count + 1, visitedExpression.TableExpressions.Count);
}
public void GivenExpressionWithNotExpressionLast_WhenVisited_NotExpressionUnwrapped()
{
var subExpression = Expression.StringEquals(FieldName.TokenCode, 0, "TestValue123", false);
var tableExpressions = new List <TableExpression>
{
new TableExpression(null, null, null, TableExpressionKind.Normal),
new TableExpression(null, new SearchParameterExpression(new SearchParameterInfo("TestParam"), Expression.Not(subExpression)), null, TableExpressionKind.Normal),
};
var inputExpression = SqlRootExpression.WithTableExpressions(tableExpressions);
var visitedExpression = (SqlRootExpression)inputExpression.AcceptVisitor(NotExpressionRewriter.Instance);
Assert.Collection(
visitedExpression.TableExpressions,
e => { Assert.Equal(tableExpressions[0], e); },
e => { ValidateNotExpression(subExpression, e); });
}