r - object no found error in testthat tests -


here code:

setgeneric("iflet",         function(sym, x, body1, body2, ...) {             standardgeneric("iflet")         })  #' @name iflet #' @export  setmethod("iflet",         signature(sym = "name", x = "any", body1 = "any", body2 = "any"),         function(sym, x, body1, body2 = {}) {             e = new.env()             sym_str = deparse(substitute(sym))             iflet(sym_str, x, body1, body2)         })  #' @rdname iflet #' @export  setmethod("iflet",         signature(sym = "character", x = "any", body1 = "any", body2 = "any"),         function(sym, x, body1, body2 = {}) {             stopifnot(length(sym) == 1)             e = new.env()             e[[sym]] = x             if(e[[sym]]) {                 eval(substitute(body1), e)             } else {                 eval(substitute(body2), e)             }         })  # test iflet("myvar", 3 > 2, {             as.integer(myvar) * 3         }, {             as.integer(myvar) + 1         }) == 3

the test passes in reple fails in testthat context, why?

here error msg:

1. error: iflet ---------------------------------------------------------------- object 'myvar' not found 1: withcallinghandlers(eval(code, new_test_environment), error = capture_calls) 2: eval(code, new_test_environment) 3: eval(expr, envir, enclos) 4: iflet("myvar", 3 > 2, {    as.integer(myvar) * 3    }, {    as.integer(myvar) + 1    }) @ test.bedinfo.r:60 5: iflet("myvar", 3 > 2, {    as.integer(myvar) * 3    }, {    as.integer(myvar) + 1    }) @ /users/kaiyin/eclipseworkspace/collapsabel/r/0_iflen.r:58 6: .local(sym, x, body1, body2, ...) 7: eval(substitute(body1), e) @ /users/kaiyin/eclipseworkspace/collapsabel/r/0_iflen.r:80 8: eval(expr, envir, enclos) 9: .handlesimpleerror(function (e)     {    e$calls <- head(sys.calls()[-seq_len(frame + 7)], -2)    signalcondition(e)    }, "object 'myvar' not found", quote(eval(expr, envir, enclos))) @ test.bedinfo.r:61


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