public void CreateReturnsNotCriteriaWithChildCriteriaSet()
{
var criteria = NotCriteria.Create(sampleTerm);
Assert.IsType <NotCriteria>(criteria);
Assert.Equal(sampleTerm, ((NotCriteria)criteria).Criteria);
}
public void CreateUnwrapsNestedNotCriteria()
{
var criteria = NotCriteria.Create(NotCriteria.Create(sampleTerm));
Assert.IsType <TermCriteria>(criteria);
Assert.Equal(sampleTerm, criteria);
}
public void ToStringContainsSubfields()
{
var termCriteria = TermsCriteria.Build("termField", memberInfo, "some value");
var notCriteria = NotCriteria.Create(termCriteria);
var result = notCriteria.ToString();
Assert.Contains(termCriteria.ToString(), result);
}
public void NotWithOrBecomesBoolWithMustNot()
{
ICriteria[] expected = { new RangeCriteria("fieldOne", memberInfo, RangeComparison.LessThan, 2), new RangeCriteria("fieldTwo", memberInfo, RangeComparison.GreaterThan, 4) };
var actual = QueryCriteriaRewriter.Compensate(NotCriteria.Create(OrCriteria.Combine(expected)));
var boolActual = Assert.IsType <BoolCriteria>(actual);
Assert.Equal(boolActual.MustNot.AsEnumerable(), expected);
Assert.Empty(boolActual.Should);
Assert.Empty(boolActual.Must);
}
protected virtual Expression VisitIsNullOrEmptyMethodCall(Expression source, string methodName)
{
if (source is MemberExpression || source is MethodCallExpression)
{
if (Mapping.TryGetFieldName(SourceType, source, out string field))
{
IsPropertyHasKeyword(field, out field);
return(new CriteriaExpression(NotCriteria.Create(new ExistsCriteria(field))));
}
}
throw new NotSupportedException($"Unknown source '{source}' for {methodName} operation");
}
public void NotWithAndBecomesBoolWithMustNotBool()
{
var expected = new[] { new RangeCriteria("fieldOne", memberInfo, RangeComparison.LessThan, 2), new RangeCriteria("fieldTwo", memberInfo, RangeComparison.GreaterThan, 4) };
var actual = QueryCriteriaRewriter.Compensate(NotCriteria.Create(AndCriteria.Combine(expected)));
var boolActual = Assert.IsType <BoolCriteria>(actual);
Assert.Empty(boolActual.Should);
Assert.Empty(boolActual.Must);
Assert.Single(boolActual.MustNot);
var subBoolActual = Assert.IsType <BoolCriteria>(boolActual.MustNot.First());
Assert.Equal(subBoolActual.Must.AsEnumerable(), expected);
Assert.Empty(subBoolActual.Should);
Assert.Empty(subBoolActual.MustNot);
}
public void BodyContainsBoolMustNot()
{
var termCriteria = TermsCriteria.Build("term1", memberInfo, "alpha", "bravo", "charlie", "delta", "echo");
var notCriteria = NotCriteria.Create(termCriteria);
var formatter = new SearchRequestFormatter(defaultConnection, mapping, new SearchRequest {
IndexType = "type1", Query = notCriteria
});
var body = JObject.Parse(formatter.Body);
var result = body.TraverseWithAssert("query", "bool", "must_not")[0]["terms"];
var actualTerms = result.TraverseWithAssert(termCriteria.Field);
foreach (var criteria in termCriteria.Values)
{
Assert.Contains("!!! " + criteria + " !!!", actualTerms.Select(t => t.ToString()).ToArray());
}
}
public void BodyContainsFilterNot()
{
var termCriteria = TermsCriteria.Build("term1", memberInfo, "alpha", "bravo", "charlie", "delta", "echo");
var notCriteria = NotCriteria.Create(termCriteria);
var formatter = new PostBodyRequestFormatter(defaultConnection, mapping, new ElasticSearchRequest {
Type = "type1", Filter = notCriteria
});
var body = JObject.Parse(formatter.Body);
var result = TraverseWithAssert(body, "filter", "not", "terms");
var actualTerms = TraverseWithAssert(result, termCriteria.Field);
foreach (var criteria in termCriteria.Values)
{
Assert.Contains("!!! " + criteria + " !!!", actualTerms.Select(t => t.ToString()).ToArray());
}
}
private Expression VisitNotEqual(Expression left, Expression right)
{
var cm = ConstantMemberPair.Create(left, right);
if (cm == null)
{
throw new NotSupportedException("A not-equal expression must consist of a constant and a member");
}
if (cm.IsNullTest)
{
return(CreateExists(cm, false));
}
var member = cm.MemberExpression.Member;
var fieldName = mapping.GetFieldName(prefix, member);
return(new CriteriaExpression(NotCriteria.Create(TermsCriteria.Build(fieldName, member, cm.ConstantExpression.Value))));
}
Expression VisitNotEqual(Expression left, Expression right)
{
var booleanEquals = VisitCriteriaEquals(left, right, false);
if (booleanEquals != null)
{
return(booleanEquals);
}
var cm = ConstantMemberPair.Create(left, right);
if (cm == null)
{
throw new NotSupportedException("A not-equal expression must be between a constant and a member");
}
return(cm.IsNullTest
? CreateExists(cm, false)
: new CriteriaExpression(NotCriteria.Create(new TermCriteria(Mapping.GetFieldName(SourceType, cm.MemberExpression), cm.MemberExpression.Member, cm.ConstantExpression.Value))));
}
protected override Expression VisitUnary(UnaryExpression node)
{
switch (node.NodeType)
{
case ExpressionType.Convert:
return(node.Operand);
case ExpressionType.Not:
{
var subExpression = Visit(node.Operand) as CriteriaExpression;
if (subExpression != null)
{
return(new CriteriaExpression(NotCriteria.Create(subExpression.Criteria)));
}
break;
}
}
return(base.VisitUnary(node));
}
protected virtual Expression VisitStringPatternCheckMethodCall(Expression source, Expression match, string pattern,
string methodName, bool notMatch = false)
{
var matched = Visit(match);
if ((source is MemberExpression || source is MethodCallExpression) && matched is ConstantExpression)
{
if (Mapping.TryGetFieldName(SourceType, source, out string field))
{
var value = ((ConstantExpression)matched).Value;
IsPropertyHasKeyword(field, out field);
var wildcardCriteria = new WildCardCriteria(string.Format(pattern, value), field);
return(new CriteriaExpression(!notMatch? wildcardCriteria: NotCriteria.Create(wildcardCriteria)));
}
}
throw new NotSupportedException(source is MemberExpression
? $"Match '{match}' in Contains operation must be a constant"
: $"Unknown source '{source}' for Contains operation");
}
static Expression VisitCriteriaEquals(Expression left, Expression right, bool positiveCondition)
{
var criteria = left as CriteriaExpression ?? right as CriteriaExpression;
var constant = left as ConstantExpression ?? right as ConstantExpression;
if (criteria == null || constant == null)
{
return(null);
}
if (constant.Value.Equals(positiveCondition))
{
return(criteria);
}
if (constant.Value.Equals(!positiveCondition))
{
return(new CriteriaExpression(NotCriteria.Create(criteria.Criteria)));
}
return(null);
}
Expression VisitCriteriaEqualsForFields(ConstantMemberPair constantMemberPair, bool equal = true)
{
if (Mapping.TryGetFieldName(SourceType, constantMemberPair.Expression, out string fieldName))
{
var propertyMappings = Mapping.ElasticPropertyMappings();
ICriteria criteria;
if (IsPropertyTypeText(fieldName, propertyMappings))
{
if (propertyMappings.ContainsKey($"{fieldName}.keyword"))
{
fieldName = $"{fieldName}.keyword";
criteria = new TermCriteria(fieldName,
constantMemberPair.GetMemberFromExpression(), constantMemberPair.ConstantExpression.Value);
}
else
{
criteria = new MatchCriteria(fieldName,
constantMemberPair.GetMemberFromExpression(), constantMemberPair.ConstantExpression.Value);
}
}
else
{
criteria = new TermCriteria(fieldName,
constantMemberPair.GetMemberFromExpression(), constantMemberPair.ConstantExpression.Value);
}
if (!equal)
{
criteria = NotCriteria.Create(criteria);
}
return(new CriteriaExpression(criteria));
}
return(null);
}
public void AndWithMixedContentBecomesBoolWithShouldMustAndMustNot()
{
ICriteria[] expectedShould = { new RangeCriteria("field1", memberInfo, RangeComparison.LessThan, 2), new RangeCriteria("field2", memberInfo, RangeComparison.GreaterThan, 4) };
var expectedMust = new RangeCriteria("field3", memberInfo, RangeComparison.LessThan, 2);
var expectedMustNot = new PrefixCriteria("field5", "prefix");
var actual = QueryCriteriaRewriter.Compensate(AndCriteria.Combine(OrCriteria.Combine(expectedShould), expectedMust, NotCriteria.Create(expectedMustNot)));
var boolActual = Assert.IsType <BoolCriteria>(actual);
Assert.Equal(boolActual.Should.AsEnumerable(), expectedShould);
Assert.Single(boolActual.Must, expectedMust);
Assert.Single(boolActual.MustNot, expectedMustNot);
}
public void ConstructorThrowsArgumentNullExceptionWhenFieldIsNull()
{
Assert.Throws <ArgumentNullException>(() => NotCriteria.Create(null));
}
public void NamePropertyIsNot()
{
var criteria = NotCriteria.Create(sampleTerm);
Assert.Equal("not", criteria.Name);
}