|
public static EQ ( string name, BsonValue value ) : |
||
| name | string | The name of the element to test. |
| value | BsonValue | The value to compare to. |
| return | ||
public void TestEquals()
{
var query = Query.EQ("x", 3);
var expected = "{ \"x\" : 3 }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestOrWithEmptyQuery()
{
var emptyQuery = new QueryDocument();
var query = Query.Or(emptyQuery);
var expected = "{ }";
Assert.AreEqual(expected, query.ToJson());
query = Query.Or(emptyQuery, emptyQuery);
expected = "{ }";
Assert.AreEqual(expected, query.ToJson());
query = Query.Or(emptyQuery, Query.EQ("x", 1));
expected = "{ \"x\" : 1 }";
Assert.AreEqual(expected, query.ToJson());
query = Query.Or(Query.EQ("x", 1), emptyQuery);
expected = "{ \"x\" : 1 }";
Assert.AreEqual(expected, query.ToJson());
query = Query.Or(emptyQuery, Query.EQ("x", 1), emptyQuery);
expected = "{ \"x\" : 1 }";
Assert.AreEqual(expected, query.ToJson());
query = Query.Or(Query.EQ("x", 1), emptyQuery, Query.EQ("y", 2));
expected = "{ \"$or\" : [{ \"x\" : 1 }, { \"y\" : 2 }] }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestAnd()
{
var query = Query.And(
Query.EQ("a", 1),
Query.EQ("b", 2)
);
var expected = "{ \"a\" : 1, \"b\" : 2 }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestOr()
{
var query = Query.Or(
Query.EQ("a", 1),
Query.EQ("b", 2)
);
var expected = "{ \"$or\" : [{ \"a\" : 1 }, { \"b\" : 2 }] }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestEqualsTwoElements()
{
var query = Query.And(
Query.EQ("x", 3),
Query.EQ("y", "foo")
);
var expected = "{ \"x\" : 3, \"y\" : \"foo\" }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestDuplicateEq()
{
// now that server supports $and this is actually syntactically valid
var query = Query.And(
Query.EQ("value", 6),
Query.EQ("value", 20)
);
var expected = "{ '$and' : [{ 'value' : 6 }, { 'value' : 20 }] }".Replace("'", "\"");
var json = query.ToJson();
Assert.AreEqual(expected, json);
}
public void TestOrNullSecond()
{
var ex = Assert.Throws <ArgumentOutOfRangeException>(() =>
{
Query.Or(
Query.EQ("x", 1),
Query.Null
);
});
Assert.IsTrue(ex.Message.StartsWith("One of the queries is null."));
}
public void TestElementMatch()
{
var query = Query.ElemMatch("x",
Query.And(
Query.EQ("a", 1),
Query.GT("b", 1)
)
);
var expected = "{ \"x\" : { \"$elemMatch\" : { \"a\" : 1, \"b\" : { \"$gt\" : 1 } } } }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestNestedOr()
{
var query = Query.And(
Query.EQ("name", "bob"),
Query.Or(
Query.EQ("a", 1),
Query.EQ("b", 2)
)
);
var expected = "{ \"name\" : \"bob\", \"$or\" : [{ \"a\" : 1 }, { \"b\" : 2 }] }";
Assert.AreEqual(expected, query.ToJson());
}
public void TestAndGtLt()
{
var query = Query.And(
Query.NotIn("value", 1, 2, 3),
Query.EQ("OtherValue", 1),
Query.GT("value", 6),
Query.LT("value", 20)
);
Assert.AreEqual(
new BsonDocument
{
{ "value", new BsonDocument
{
{ "$nin", new BsonArray {
1, 2, 3
} },
{ "$gt", 6 },
{ "$lt", 20 }
} },
{ "OtherValue", 1 }
},
query.ToBsonDocument());
}