R Under development (unstable) (2024-08-23 r87049 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> ################################################################################
> ##
> ## $Id: portfolio.calcWeights.test.R 1625 2010-02-18 19:44:29Z enos $
> ##
> ## Tests "calcWeights" method of "portfolio"
> ##
> ################################################################################
> 
> library(portfolio)
Loading required package: grid
Loading required package: lattice
> 
> ## Invalid Input: "price.var" must be in names(x)
> 
> ## constructs a usable data.frame and portfolio
> 
> data.0 <- data.frame(id = 1:20, symbol.var = letters[1:20], in.var = 1:20,
+                      ret.var = 1:20, price.var = 1:20)
> p.0 <- new("portfolio", id.var = "id", symbol.var = "symbol.var",
+                    in.var = "in.var", ret.var = "ret.var", type = "equal",
+                    size = "quintile", equity = 100000,
+                    price.var = "price.var", data = data.0)
> 
> p.0@price.var <- "foo.var"
> 
> trial.0 <- try(calcWeights(p.0), silent = TRUE)
> 
> if(class(trial.0) == "try-error"){
+   stopifnot(as.logical(grep("valid price.var!", trial.0[1])))
+ }
> 
> p.0@price.var <- "price.var"
> 
> ## Corner Case: shares slot has 0 rows
> 
> p.0@shares <- p.0@shares[0,]
> 
> ## "calcWeights" returns "object" under this condition
> 
> stopifnot(class(calcWeights(p.0)) == "portfolio")
> 
> ## Tests misuse of id.var and the "id" column when
> ## id.var != "id"
> 
> ## constructs a usable data.frame and portfolio
> 
> data.1 <- data.frame(ric = 1:20, symbol.var = letters[1:20], in.var = 1:20,
+                      ret.var = 1:20, price.var = 1:20)
> 
> p.2 <- new("portfolio", id.var = "ric", symbol.var = "symbol.var",
+               in.var = "in.var", ret.var = "ret.var", type = "equal",
+               size = "quintile", equity = 100000,
+               price.var = "price.var", data = data.1)
> 
> ## makes portfolio invalid by changing the name of "id" column
> 
> names(p.2@data)[pmatch("id", names(p.2@data))] <- "ric"
> trial.1 <- try(calcShares(p.2), silent = TRUE)
> 
> if(class(trial.1) == "try-error"){
+   stopifnot(isTRUE(as.logical(grep("\\'by\\'.*valid.column", trial.1[1]))))
+ }
> 
> proc.time()
   user  system elapsed 
   0.54    0.14    0.65