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# SVN revision:
# Date of last change: 2017-08-24
# Last changed by: csweetland
#
# Original author: ccampbell
# Copyright Activinsights, Cambridge UK 2013-2017
###############################################################################
context("summarise columns")
###############################################################################
test_that("summariseCols", {
summariseCols <- GENEAclassify:::summariseCols
s1 <- try(summariseCols(colfun = matrix(NA, ncol = 2, nrow = 0)), silent = TRUE)
expect_that(paste(s1), equals("Error in summariseCols(colfun = matrix(NA, ncol = 2, nrow = 0)) : \n dataCols must be a character matrix with two columns\n"))
s2 <- try(summariseCols(colfun = matrix(1:4, ncol = 2)), silent = TRUE)
expect_that(paste(s2), equals("Error in summariseCols(colfun = matrix(1:4, ncol = 2)) : \n dataCols must be a character matrix with two columns\n"))
s3 <- try(summariseCols(colfun = c("Step", "median")), silent = TRUE)
expect_that(paste(s3), equals("Error in summariseCols(colfun = c(\"Step\", \"median\")) : \n dataCols must be a character matrix with two columns\n"))
A <- split(1:10, rep(1, each = 10))
dataCols <- matrix(c("A", "mean",
"A", "median",
"A", "var"), ncol = 2, byrow = TRUE)
s4 <- summariseCols(colfun = dataCols)
expect_that(s4, equals(data.frame("A.mean" = 5.5, "A.median" = 5.5, "A.var" = 9.16666666667)))
A <- split(1:10, rep(1:2, each = 5))
s5 <- summariseCols(colfun = dataCols)
expect_that(s5, equals(data.frame("A.mean" = c(3, 8), "A.median" = c(3, 8), "A.var" = 2.5)))
s6 <- try(summariseCols(colfun = matrix(c("A", "blah"), nrow = 1, ncol = 2)), silent = TRUE)
expect_that(paste(s6), equals("Error in summariseCols(colfun = matrix(c(\"A\", \"blah\"), nrow = 1, ncol = 2)) : \n functions named in colfun do not exist\n"))
s7 <- try(summariseCols(colfun = matrix(c("B", "sd"), nrow = 1, ncol = 2)), silent = TRUE)
expect_that(paste(s7), equals("Error in summariseCols(colfun = matrix(c(\"B\", \"sd\"), nrow = 1, ncol = 2)) : \n variables named in colfun do not exist\n"))
rm(list = c("A", paste0("s", 1:7)))
})
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