public void TestCheck()
{
var expectedCheck = new CheckBuilder(Arrays.AsList(
Utils.Rule("query",
new List <Term>(),
Arrays.AsList(
Utils.Pred("resource", Arrays.AsList(Utils.Symbol("ambient"), Utils.Var("0"))),
Utils.Pred("operation", Arrays.AsList(Utils.Symbol("ambient"), Utils.Symbol("read")))
)
),
Utils.Rule("query",
new List <Term>(),
Arrays.AsList(
Utils.Pred("admin", Arrays.AsList(Utils.Symbol("authority")))
)
)
));
//var expected = new Right(new Tuple<string, Check>("", check));
Either <Error, Tuple <string, CheckBuilder> > res =
Parser.Check("check if resource(#ambient, $0), operation(#ambient, #read) or admin(#authority)");
Assert.IsTrue(res.IsRight);
Assert.AreEqual(expectedCheck, res.Right.Item2);
}
public void TestInteger()
{
Either <Error, Tuple <string, Term.Integer> > res = Parser.Integer("123");
Assert.AreEqual(new Right(new Tuple <string, Term.Integer>("", (Term.Integer)Utils.Integer(123))), res);
Either <Error, Tuple <string, Term.Integer> > res2 = Parser.Integer("-42");
Assert.AreEqual(new Right(new Tuple <string, Term.Integer>("", (Term.Integer)Utils.Integer(-42))), res2);
}
public void TestRule()
{
Either <Error, Tuple <string, RuleBuilder> > res =
Parser.Rule("right(#authority, $resource, #read) <- resource( #ambient, $resource), operation(#ambient, #read)");
Assert.AreEqual(new Right(new Tuple <string, RuleBuilder>("",
Utils.Rule("right",
Arrays.AsList(Utils.Symbol("authority"), Utils.Var("resource"), Utils.Symbol("read")),
Arrays.AsList(
Utils.Pred("resource", Arrays.AsList(Utils.Symbol("ambient"), Utils.Var("resource"))),
Utils.Pred("operation", Arrays.AsList(Utils.Symbol("ambient"), Utils.Symbol("read"))))
))),
res);
}
public void TestFact()
{
Either <Error, Tuple <string, FactBuilder> > res = Biscuit.Token.Builder.Parser.Parser.Fact("right( #authority, \"file1\", #read )");
Assert.AreEqual(new Right(new Tuple <string, FactBuilder>("",
Utils.Fact("right", Arrays.AsList(Utils.Symbol("authority"), Utils.Strings("file1"), Utils.Symbol("read"))))),
res);
Either <Error, Tuple <string, FactBuilder> > res2 = Parser.Fact("right( #authority, $var, #read )");
//Assert.AreEqual(new Left(new Error("$var, #read )", "variables are not allowed in facts")),
// res2);
Assert.AreEqual(new Left(new Error("$var, #read )", "closing parens not found")),
res2);
Either <Error, Tuple <string, FactBuilder> > res3 = Parser.Fact("date(#ambient,2019-12-02T13:49:53Z)");
Assert.AreEqual(new Right(new Tuple <string, FactBuilder>("",
Utils.Fact("date", Arrays.AsList(Utils.Symbol("ambient"), new Term.Date(1575294593))))),
res3);
}
public void TestRuleWithExpressionOrdering()
{
Either <Error, Tuple <string, RuleBuilder> > res =
Parser.Rule("valid_date(\"file1\") <- time(#ambient, $0 ), $0 <= 2019-12-04T09:46:41+00:00, resource( #ambient, \"file1\")");
Assert.AreEqual(new Right(new Tuple <string, RuleBuilder>("",
Utils.ConstrainedRule("valid_date",
Arrays.AsList(Utils.Strings("file1")),
Arrays.AsList(
Utils.Pred("time", Arrays.AsList(Utils.Symbol("ambient"), Utils.Var("0"))),
Utils.Pred("resource", Arrays.AsList(Utils.Symbol("ambient"), Utils.Strings("file1")))
),
Arrays.AsList <ExpressionBuilder>(
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.LessOrEqual,
new ExpressionBuilder.Value(Utils.Var("0")),
new ExpressionBuilder.Value(new Term.Date(1575452801)))
)
))),
res);
}
public void TestVariable()
{
Either <Error, Tuple <string, Term.Variable> > res = Parser.Variable("$name");
Assert.AreEqual(new Right(new Tuple <string, Term.Variable>("", (Term.Variable)Utils.Var("name"))), res);
}
public void TestDate()
{
Either <Error, Tuple <string, Term.Date> > res = Parser.Date("2019-12-02T13:49:53Z,");
Assert.AreEqual(new Right(new Tuple <string, Term.Date>(",", new Term.Date(1575294593))), res);
}
public void TestString()
{
Either <Error, Tuple <string, Term.Str> > res = Parser.Strings("\"file1 a hello - 123_\"");
Assert.AreEqual(new Right(new Tuple <string, Term.Str>("", (Term.Str)Utils.Strings("file1 a hello - 123_"))), res);
}
public void TestParens()
{
Either <Error, Tuple <string, ExpressionBuilder> > res =
Parser.Expression(" 1 + 2 * 3 ");
Assert.AreEqual(new Right(new Tuple <string, ExpressionBuilder>("",
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Add,
new ExpressionBuilder.Value(Utils.Integer(1)),
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Mul,
new ExpressionBuilder.Value(Utils.Integer(2)),
new ExpressionBuilder.Value(Utils.Integer(3))
)
)
)),
res);
ExpressionBuilder e = res.Right.Item2;
SymbolTable s = new SymbolTable();
Biscuit.Datalog.Expressions.Expression ex = e.Convert(s);
Assert.IsTrue(
Arrays.AsList <Biscuit.Datalog.Expressions.Op>(
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(1)),
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(2)),
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(3)),
new Biscuit.Datalog.Expressions.Op.Binary(Biscuit.Datalog.Expressions.Op.BinaryOp.Mul),
new Biscuit.Datalog.Expressions.Op.Binary(Biscuit.Datalog.Expressions.Op.BinaryOp.Add)
).SequenceEqual(
ex.GetOps())
);
Dictionary <ulong, ID> variables = new Dictionary <ulong, ID>();
Option <ID> value = ex.Evaluate(variables);
Assert.AreEqual(Option.Some(new ID.Integer(7)), value);
Assert.AreEqual("1 + 2 * 3", ex.Print(s).Get());
Either <Error, Tuple <string, ExpressionBuilder> > res2 =
Parser.Expression(" (1 + 2) * 3 ");
Assert.AreEqual(new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Mul,
new ExpressionBuilder.Unary(
ExpressionBuilder.Op.Parens,
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Add,
new ExpressionBuilder.Value(Utils.Integer(1)),
new ExpressionBuilder.Value(Utils.Integer(2))
))
,
new ExpressionBuilder.Value(Utils.Integer(3))
)
,
res2.Right.Item2);
ExpressionBuilder e2 = res2.Right.Item2;
SymbolTable s2 = new SymbolTable();
Biscuit.Datalog.Expressions.Expression ex2 = e2.Convert(s2);
Assert.IsTrue(
Arrays.AsList <Biscuit.Datalog.Expressions.Op>(
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(1)),
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(2)),
new Biscuit.Datalog.Expressions.Op.Binary(Biscuit.Datalog.Expressions.Op.BinaryOp.Add),
new Biscuit.Datalog.Expressions.Op.Unary(Biscuit.Datalog.Expressions.Op.UnaryOp.Parens),
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(3)),
new Biscuit.Datalog.Expressions.Op.Binary(Biscuit.Datalog.Expressions.Op.BinaryOp.Mul)
).SequenceEqual(
ex2.GetOps())
);
Dictionary <ulong, ID> variables2 = new Dictionary <ulong, ID>();
Option <ID> value2 = ex2.Evaluate(variables2);
Assert.AreEqual(Option.Some(new ID.Integer(9)), value2);
Assert.AreEqual("(1 + 2) * 3", ex2.Print(s2).Get());
}
public void TestSymbol()
{
Either <Error, Tuple <string, Term.Symbol> > res = Parser.Symbol("#ambient");
Assert.AreEqual(new Right(new Tuple <string, Term.Symbol>("", (Term.Symbol)Utils.Symbol("ambient"))), res);
}
public void TestExpression()
{
Either <Error, Tuple <string, ExpressionBuilder> > res =
Parser.Expression(" -1 ");
Assert.AreEqual(
new ExpressionBuilder.Value(Utils.Integer(-1)),
res.Right.Item2);
Either <Error, Tuple <string, ExpressionBuilder> > res2 =
Parser.Expression(" $0 <= 2019-12-04T09:46:41+00:00");
Assert.AreEqual(
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.LessOrEqual,
new ExpressionBuilder.Value(Utils.Var("0")),
new ExpressionBuilder.Value(new Term.Date(1575452801))),
res2.Right.Item2);
Either <Error, Tuple <string, ExpressionBuilder> > res3 =
Parser.Expression(" 1 < $test + 2 ");
Assert.AreEqual(
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.LessThan,
new ExpressionBuilder.Value(Utils.Integer(1)),
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Add,
new ExpressionBuilder.Value(Utils.Var("test")),
new ExpressionBuilder.Value(Utils.Integer(2))
)
),
res3.Right.Item2);
SymbolTable s3 = new SymbolTable();
ulong test = s3.Insert("test");
var expected = Arrays.AsList <Biscuit.Datalog.Expressions.Op>(
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(1)),
new Biscuit.Datalog.Expressions.Op.Value(new ID.Variable(test)),
new Biscuit.Datalog.Expressions.Op.Value(new ID.Integer(2)),
new Biscuit.Datalog.Expressions.Op.Binary(Biscuit.Datalog.Expressions.Op.BinaryOp.Add),
new Biscuit.Datalog.Expressions.Op.Binary(Biscuit.Datalog.Expressions.Op.BinaryOp.LessThan)
);
Assert.IsTrue(expected.SequenceEqual(
res3.Right.Item2.Convert(s3).GetOps())
);
Either <Error, Tuple <string, ExpressionBuilder> > res4 =
Parser.Expression(" 2 < $test && $var2.starts_with(\"test\") && true ");
Assert.IsTrue(res4.IsRight);
Assert.AreEqual(new ExpressionBuilder.Binary(
ExpressionBuilder.Op.And,
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.And,
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.LessThan,
new ExpressionBuilder.Value(Utils.Integer(2)),
new ExpressionBuilder.Value(Utils.Var("test"))
),
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Prefix,
new ExpressionBuilder.Value(Utils.Var("var2")),
new ExpressionBuilder.Value(Utils.Strings("test"))
)
),
new ExpressionBuilder.Value(new Term.Bool(true))
),
res4.Right.Item2);
Either <Error, Tuple <string, ExpressionBuilder> > res5 =
Parser.Expression(" [ #abc, #def ].contains($operation) ");
HashSet <Term> s = new HashSet <Term>
{
Utils.Symbol("abc"),
Utils.Symbol("def")
};
Assert.IsTrue(res5.IsRight);
Assert.AreEqual(new Tuple <string, ExpressionBuilder>("",
new ExpressionBuilder.Binary(
ExpressionBuilder.Op.Contains,
new ExpressionBuilder.Value(Utils.Set(s)),
new ExpressionBuilder.Value(Utils.Var("operation"))
)
),
res5.Right);
}
public void TestName()
{
Either <Error, Tuple <string, string> > res = Parser.Name("operation(#ambient, #read)");
Assert.AreEqual(new Right(new Tuple <string, string>("(#ambient, #read)", "operation")), res);
}