public void BuildOrExpression_FailVerification()
{
var expr = new PermissionExpressionBuilder().Build("foo | bar", permissionName =>
{
permissionsChecked.Add(permissionName);
return false;
});
Assert.IsFalse(expr.Compile().Invoke());
AssertPermissionsChecked("foo", "bar");
}
public void MixedLogic_LeftToRight_Precedence_And()
{
var expr = new PermissionExpressionBuilder().Build("foo & bar | baz", permissionName =>
{
permissionsChecked.Add(permissionName);
// foo = true, bar = false, baz = true should force this to be true. foo & (bar | baz)
return permissionName == "foo" || permissionName == "baz";
});
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo", "bar", "baz");
}
public void BuildAndExpression_FailVerification_WithShortCircuit()
{
var expr = new PermissionExpressionBuilder().Build("foo & bar", permissionName =>
{
if (permissionName == "foo")
{
permissionsChecked.Add("foo");
return true;
}
return false;
});
Assert.IsFalse(expr.Compile().Invoke());
AssertPermissionsChecked("foo");
}
public void BuildSimplestExpression()
{
var expr = new PermissionExpressionBuilder().Build("foo", Verify);
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo");
}
public void BuildOrExpression_SuccessfulVerification()
{
var expr = new PermissionExpressionBuilder().Build("foo | bar", Verify);
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo"); // short circuit
}
public void BuildAndExpression_SuccessfulVerification()
{
var expr = new PermissionExpressionBuilder().Build("foo & bar", Verify);
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo", "bar");
}
public void MultipleOrs()
{
var expr = new PermissionExpressionBuilder().Build("foo | bar | baz", permissionName =>
{
permissionsChecked.Add(permissionName);
return permissionName == "baz";
});
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo", "bar", "baz");
}
public void MultipleAnds()
{
var expr = new PermissionExpressionBuilder().Build("foo & bar & baz", Verify);
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo", "bar", "baz");
}
public void MixedLogic_LeftToRight_Precedence_Or_ShortCircuit()
{
// see MixedLogic_LeftToRight_Precedence_Or
var expr = new PermissionExpressionBuilder().Build("foo | bar & baz", permissionName =>
{
permissionsChecked.Add(permissionName);
// foo = true , bar = false , baz = false should force this to be true. foo | (bar & baz)
return permissionName == "foo";
});
Assert.IsTrue(expr.Compile().Invoke());
AssertPermissionsChecked("foo");
}