112 lines
4.0 KiB
R
112 lines
4.0 KiB
R
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## Copyright (C) 2013 - 2019 Dirk Eddelbuettel and Romain Francois
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##
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## This file is part of Rcpp.
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##
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## Rcpp is free software: you can redistribute it and/or modify it
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## under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 2 of the License, or
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## (at your option) any later version.
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##
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## Rcpp is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
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.runThisTest <- Sys.getenv("RunAllRcppTests") == "yes" && Sys.getenv("RunVerboseRcppTests") == "yes"
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if (! .runThisTest) exit_file("Set 'RunVerboseRcppTests' and 'RunAllRcppTests' to 'yes' to run.")
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library(Rcpp)
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tempdir <- tempdir()
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## foo has already been loaded in test.Rcpp.package.skeleton.R,
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## so named differently here to avoid namespace conflicts
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pkg_name <- "fooModule"
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path <- tempdir
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pkg_path <- file.path(path, pkg_name)
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R_path <- file.path(pkg_path, "R")
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src_path <- file.path(pkg_path, "src")
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foo_header <- "
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#ifndef foo_h
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#define foo_h 1
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// class to set/get double
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class foo {
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public:
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double x;
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double get_x() {return x;}
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void set_x(double _x) {x = _x; return;}
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foo(double _x) {set_x(_x);}
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};
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#endif
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"
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## create package
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if (dir.exists(pkg_path)) unlink(pkg_path)
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Rcpp.package.skeleton(pkg_name, path=path, environment = environment(),
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example_code = FALSE, module = TRUE)
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## R 4.0.0 (currently in development) is stricter about the NAMESPACE and wants
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## - an actual function behind the export declaration we end up with here
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## - an export declaration for the class exposed and check below
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## so we provide both to comply (and also no longer delete from src/ and R/)
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cat("Rcpp.fake.fun <- function() {}", file=file.path(path, pkg_name, "R", "fakefun.R"))
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cat("export(\"fooR\")", append=TRUE, file=file.path(path, pkg_name, "NAMESPACE"))
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#on.exit(unlink(pkg_path, recursive=TRUE))
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cat(foo_header, file = file.path(src_path, "foo.h"))
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## check that result of exposeClass compiles and runs properly
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exposeClass(class = "fooR",
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constructors = list("double"),
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fields = "x",
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methods = c("get_x", "set_x"),
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header = '#include "foo.h"',
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CppClass = "foo",
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rename = c(y = "x", get_y = "get_x", set_y = "set_x"),
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file = file.path(src_path, "fooModule.cpp"),
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Rfile = file.path(R_path, "fooClass.R"))
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compileAttributes(pkg_path)
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invisible(sapply( list.files( file.path(pkg_path, "man"), full.names=TRUE), unlink ))
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## check build
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owd <- getwd()
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setwd(path)
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on.exit( setwd(owd), add=TRUE )
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R <- shQuote( file.path( R.home( component = "bin" ), "R" ))
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system( paste(R, "CMD build", pkg_path) )
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gz_name <- paste0(pkg_name, "_1.0.tar.gz")
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expect_true( file.exists(gz_name), info = "can successfully R CMD build the pkg")
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## check install + require
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templibdir <- file.path(path, "templib")
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dir.create(templibdir)
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install.packages(gz_name, templibdir, repos=NULL, type="source")
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on.exit( unlink( file.path(path, gz_name) ), add=TRUE)
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status <- require(pkg_name, file.path(path, "templib"), character.only=TRUE)
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#on.exit( unlink( file.path(path, "templib"), recursive=TRUE), add=TRUE )
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expect_true(status, info = "can successfully require the pkg")
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## check object creation
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bar <- fooR(0)
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env <- environment()
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expect_true(exists("bar", envir = env, inherits = FALSE),
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info = "module object successfully instantiated" )
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gs <- replicate(n = 10, {
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y <- rnorm(1)
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bar$set_y(y)
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bar$get_y() - y
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})
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expect_true(all(gs == 0), info = "renamed methods function as expected" )
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gs <- replicate(n = 10, {
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y <- rnorm(1)
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bar$set_y(y)
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bar$y - y
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})
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expect_true( all(gs == 0), info = "renamed direct field functions as expected" )
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on.exit(unlink(pkg_path, recursive=TRUE), add=TRUE)
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on.exit(unlink(templibdir, recursive=TRUE), add=TRUE )
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