public void PrefixElasticMethodCreatesPrefixWhereCriteria()
{
var where = Robots.Where(r => ElasticMethods.Prefix(r.Name, "robot"));
var criteria = ElasticQueryTranslator.Translate(Mapping, "prefix", where.Expression).SearchRequest.Filter;
Assert.IsType <PrefixCriteria>(criteria);
var regexpCriteria = (PrefixCriteria)criteria;
Assert.Equal("prefix", regexpCriteria.Name);
Assert.Equal("prefix.name", regexpCriteria.Field);
Assert.Equal("robot", regexpCriteria.Prefix);
}
public void WhereElasticMethodsSelectAverageCreatesValidQuery()
{
var query = Robots
.Where(r => ElasticMethods.Prefix(r.Name, "abc"))
.GroupBy(r => r.Zone).Select(g => g.Average(r => r.EnergyUse));
var translation = ElasticQueryTranslator.Translate(Mapping, "p", query.Expression);
var prefixFilter = Assert.IsType <PrefixCriteria>(translation.SearchRequest.Filter);
Assert.Equal("abc", prefixFilter.Prefix);
Assert.Equal("p.name", prefixFilter.Field);
Assert.Equal(typeof(double), Assert.IsType <ListTermFacetsElasticMaterializer>(translation.Materializer).ElementType);
Assert.Equal("count", translation.SearchRequest.SearchType);
Assert.Equal(1, translation.SearchRequest.Facets.Count);
var facet = Assert.IsType <TermsStatsFacet>(translation.SearchRequest.Facets[0]);
Assert.Null(facet.Filter);
Assert.Equal("p.zone", facet.Key);
Assert.Equal("p.energyUse", facet.Value);
}
public static void PrefixMustBeBetweenMemberAndConstant()
{
const string expectedMessageFragment = "Prefix must take a member";
{
var ex = Assert.Throws <NotSupportedException>(() => Translate(Robots.Where(r => ElasticMethods.Prefix(r.Name, r.Name))));
Assert.Contains(expectedMessageFragment, ex.Message);
}
{
var ex = Assert.Throws <NotSupportedException>(() => Translate(Robots.Where(r => ElasticMethods.Prefix("", r.Name))));
Assert.Contains(expectedMessageFragment, ex.Message);
}
{
var ex = Assert.Throws <NotSupportedException>(() => Translate(Robots.Where(r => ElasticMethods.Prefix("", ""))));
Assert.Contains(expectedMessageFragment, ex.Message);
}
}
[ExcludeFromCodeCoverage] // Expression isn't "executed"
public void PrefixThrowsIfAccessed()
{
Assert.Throws <InvalidOperationException>(() => ElasticMethods.Prefix("a", "b"));
}
public void PrefixThrowsIfAccessed()
{
var ex = Assert.Throws <InvalidOperationException>(() => ElasticMethods.Prefix("a", "b"));
Assert.Contains("ElasticMethods.Prefix", ex.Message);
}