public void TranslateFilterShouldThrowExceptionIfOuterExpressionIsAndAlsoAndInnerRightExpressionIsNotABinaryExpression()
{
var testVariable = bool.Parse(bool.TrueString);
var ex = Assert.Throws <NotSupportedException>(() => FilterFormatters.TranslateFilter <Foo>(f => f.Prop2 == null && testVariable));
Assert.IsTrue(ex.Message.StartsWith("This expression is not a binary expression:"));
}
public void TranslateFilterShouldThrowExceptionForOrElseExpression()
{
var testVariable = bool.Parse(bool.TrueString);
var ex = Assert.Throws <NotSupportedException>(() => FilterFormatters.TranslateFilter <Foo>(f => f.Prop2 == null || testVariable));
Assert.IsTrue(ex.Message.StartsWith("Oprerator OrElse is not yet supported."));
}
public static IGremlinQuery OutE <TData>(this IGremlinQuery query, string label,
Expression <Func <TData, bool> > filter, StringComparison comparison = StringComparison.OrdinalIgnoreCase)
where TData : class, new()
{
IEnumerable <Filter> filters = FilterFormatters.TranslateFilter(filter);
return(query.OutE(label, filters, comparison));
}
public static IGremlinQuery In <TNode>(this IGremlinQuery query, string label,
Expression <Func <TNode, bool> > filter, StringComparison comparison = StringComparison.OrdinalIgnoreCase)
{
IGremlinQuery newQuery = query.AddBlock(IN, label);
IEnumerable <Filter> filters = FilterFormatters.TranslateFilter(filter);
IGremlinQuery filterQuery = newQuery.AddFilterBlock(string.Empty, filters, comparison);
return(filterQuery);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsConstantEnumExpression()
{
var filters = FilterFormatters
.TranslateFilter <NodeWithEnums>(f => f.Prop1 == EnumForTesting.Foo)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual(EnumForTesting.Foo, filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsNull()
{
var filters = FilterFormatters
.TranslateFilter <Foo>(f => f.Prop1 == null)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual(null, filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolvePropertiesEqualBoolean()
{
var filters = FilterFormatters
.TranslateFilter <Foo>(f => f.Prop4 == true)
.OrderBy(f => f.PropertyName)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop4", filters[0].PropertyName);
Assert.AreEqual(true, filters[0].Value);
}
public void TranslateFilterShouldResolveBooleanPropertyToDefaultToCompareToFalse()
{
var filters = FilterFormatters
.TranslateFilter <Foo>(f => !f.Prop4)
.OrderBy(f => f.PropertyName)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop4", filters[0].PropertyName);
Assert.AreEqual(false, filters[0].Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsLocalLongExpression()
{
var prop1Value = long.Parse("123"); // This must be a local - do not refactor this to a constant
var filters = FilterFormatters
.TranslateFilter <NodeWithLongs>(f => f.Prop1 == prop1Value)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual(123, filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsConstantStringExpression()
{
var filters = FilterFormatters
.TranslateFilter <Foo>(
f => f.Prop1 == "abc" // This must be a constant - do not refactor this line
)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual("abc", filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsAStringFunctionExpression()
{
var filters = FilterFormatters
.TranslateFilter <Foo>(
f => f.Prop1 == string.Format("{0}.{1}", "abc", "def").ToUpperInvariant() // This must be a method call - do not refactor this line
)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual("ABC.DEF", filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsConstantLongMaxExpression()
{
var filters = FilterFormatters
.TranslateFilter <NodeWithLongs>(
f => f.Prop1 == long.MaxValue // This must be a constant - do not refactor this line
)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual(long.MaxValue, filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsLocalStringExpression()
{
var prop1Value = new string(new[] { 'a', 'b', 'c' }); // This must be a local - do not refactor this to a constant
var filters = FilterFormatters
.TranslateFilter <Foo>(
f => f.Prop1 == prop1Value
)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual("abc", filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsLocalLongMaxExpression()
{
var prop1Value = long.Parse(long.MaxValue.ToString(CultureInfo.InvariantCulture)); // This must be a local - do not refactor this to a constant
var filters = FilterFormatters
.TranslateFilter <NodeWithLongs>(
f => f.Prop1 == prop1Value
)
.ToArray();
Assert.Equal(1, filters.Count());
Assert.Equal("Prop1", filters.FirstOrDefault().PropertyName);
Assert.Equal(long.MaxValue, filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveTwoPropertiesEqualNullWithBinaryAndAlso()
{
var filters = FilterFormatters
.TranslateFilter <Foo>(f => f.Prop1 == null && f.Prop2 == null)
.OrderBy(f => f.PropertyName)
.ToArray();
Assert.AreEqual(2, filters.Count());
Assert.AreEqual("Prop1", filters[0].PropertyName);
Assert.AreEqual(null, filters[0].Value);
Assert.AreEqual("Prop2", filters[1].PropertyName);
Assert.AreEqual(null, filters[1].Value);
}
public void TranslateFilterShouldResolveSinglePropertyEqualsAnotherStringPropertyExpression()
{
var bar = new Bar {
Prop1 = "def"
};
var filters = FilterFormatters
.TranslateFilter <Foo>(
f => f.Prop1 == bar.Prop1 // This must be a property get - do not refactor this line
)
.ToArray();
Assert.AreEqual(1, filters.Count());
Assert.AreEqual("Prop1", filters.FirstOrDefault().PropertyName);
Assert.AreEqual("def", filters.FirstOrDefault().Value);
}
public void TranslateFilterShouldResolveThreePropertiesEqualOtherStringPropertiesInBooleanAndAlsoChain()
{
var bar = new Bar {
Prop1 = "def", Prop2 = "ghi", Prop3 = "jkl"
};
var filters = FilterFormatters
.TranslateFilter <Foo>(
// These must be property gets - do not refactor this line
f => f.Prop1 == bar.Prop1 && f.Prop2 == bar.Prop2 && f.Prop3 == bar.Prop3
)
.OrderBy(f => f.PropertyName)
.ToArray();
Assert.AreEqual(3, filters.Count());
Assert.AreEqual("Prop1", filters[0].PropertyName);
Assert.AreEqual("def", filters[0].Value);
Assert.AreEqual("Prop2", filters[1].PropertyName);
Assert.AreEqual("ghi", filters[1].Value);
Assert.AreEqual("Prop3", filters[2].PropertyName);
Assert.AreEqual("jkl", filters[2].Value);
}
public void TranslateFilterShouldThrowExceptionIfOuterExpressionIsAndAlsoAndInnerRightExpressionIsNotABinaryExpression()
{
var testVariable = bool.Parse(bool.TrueString);
FilterFormatters.TranslateFilter <Foo>(f => f.Prop2 == null && testVariable);
}
public void TranslateFilterShouldThrowExceptionForOrElseExpression()
{
var testVariable = bool.Parse(bool.TrueString);
FilterFormatters.TranslateFilter <Foo>(f => f.Prop2 == null || testVariable);
}