/usr/lib/R/site-library/gdata/unitTests/runit.write.fwf.R is in r-cran-gdata 2.13.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | ### runit.write.fwf.R
###------------------------------------------------------------------------
### What: Unit tests for write.fwf
### $Id: runit.write.fwf.R 1300 2008-08-05 11:47:18Z ggorjan $
### Time-stamp: <2008-08-05 11:58:50 ggorjan>
###------------------------------------------------------------------------
### {{{ --- Test setup ---
if(FALSE) {
library("RUnit")
library("gdata")
}
### }}}
### {{{ --- write.fwf ---
test.write.fwf <- function()
{
## 'x' must be a data.frame or matrix
checkException(write.fwf(1:10))
checkException(write.fwf(list(1:10)))
## only single value is allowed in 'na'
checkException(write.fwf(data.frame(1:10, letters[1:10]), na=c("", " ")))
## Example dataset
num <- round(c(733070.345678, 1214213.78765456, 553823.798765678,
1085022.8876545678, 571063.88765456, 606718.3876545678,
1053686.6, 971024.187656, 631193.398765456, 879431.1),
digits=3)
testData <- data.frame(num1=c(1:10, NA),
num2=c(NA, seq(from=1, to=5.5, by=0.5)),
num3=c(NA, num),
int1=c(as.integer(1:4), NA, as.integer(4:9)),
fac1=factor(c(NA, letters[1:9], "hjh")),
fac2=factor(c(letters[6:15], NA)),
cha1=c(letters[17:26], NA),
cha2=c(NA, "longer", letters[25:17]),
stringsAsFactors=FALSE)
levels(testData$fac1) <- c(levels(testData$fac1), "unusedLevel")
testData$Date <- as.Date("1900-1-1")
testData$Date[2] <- NA
testData$POSIXt <- as.POSIXct(strptime("1900-1-1 01:01:01", format="%Y-%m-%d %H:%M:%S"))
testData$POSIXt[5] <- NA
## --- output ---
## is tested with regular tests
## --- formatInfo ---
## default output
formatInfoT <- data.frame(colname=c("num1", "num2"),
nlevels=c(0, 0),
position=c(1, 4),
width=c(2, 3),
digits=c(0, 1),
exp=c(0, 0),
stringsAsFactors=FALSE)
formatInfo <- write.fwf(testData[, c("num1", "num2")], formatInfo=TRUE)
checkEquals(formatInfo, formatInfoT)
## scientific notation
dd <- options("digits"); options(digits = 7)
testData2 <- data.frame(a=123, b=pi, c=1e8, d=1e222)
formatInfo <- write.fwf(x=testData2, formatInfo=TRUE)
checkEquals(formatInfo$width, c(3, 8, 5, 6))
checkEquals(formatInfo$digits, c(0, 6, 0, 0))
checkEquals(formatInfo$exp, c(0, 0, 2, 3))
options(dd) ## reset old options
## 'na' can either decrease or increase the width
## --> values of int1 have width 1 and using na="" should not increase
## the width
formatInfo <- write.fwf(testData[, "int1", drop=FALSE], formatInfo=TRUE,
na="")
checkEquals(formatInfo$width, 1)
## --> values of int1 have width 1 and using na="1234" should increase
## the width to 4
formatInfo <- write.fwf(testData[, "int1", drop=FALSE], formatInfo=TRUE,
na="1234")
checkEquals(formatInfo$width, 4)
## rowCol
formatInfoTR <- data.frame(colname=c("row", "num1", "num2"),
nlevels=c(11, 0, 0),
position=c(1, 4, 7),
width=c(2, 2, 3),
digits=c(0, 0, 1),
exp=c(0, 0, 0),
stringsAsFactors=FALSE)
formatInfoR <- write.fwf(testData[, c("num1", "num2")], formatInfo=TRUE,
rownames=TRUE, rowCol="row")
checkEquals(formatInfoR, formatInfoTR)
## quoteInfo alone does not have any effect
formatInfoI <- write.fwf(testData[, c("num1", "num2")], formatInfo=TRUE,
quoteInfo=TRUE)
checkEquals(formatInfoI, formatInfoT)
## quote
formatInfoQ <- write.fwf(testData[, c("num1", "num2")], formatInfo=TRUE,
quote=TRUE)
formatInfoTQ <- formatInfoT
formatInfoTQ$position <- c(1, 6)
formatInfoTQ$width <- c(4, 5)
checkEquals(formatInfoQ, formatInfoTQ)
## quote without quoteInfo
formatInfoQI <- write.fwf(testData[, c("num1", "num2")], formatInfo=TRUE,
quote=TRUE, quoteInfo=FALSE)
formatInfoTQI <- formatInfoT
formatInfoTQI$position <- c(2, 6)
checkEquals(formatInfoQI, formatInfoTQI)
## width
## --> default width for num1 is 2
formatInfo <- write.fwf(testData[, "num1", drop=FALSE], width=10, formatInfo=TRUE)
checkEquals(formatInfo$width, 10)
## too small value in width (this also tests recycling)
## --> proper width for num1 is 2, while for num2 it is 3
checkException(write.fwf(testData[, c("num1", "num2")], width=2))
checkException(write.fwf(testData[, c("num1", "num2")], width=c(2, 1)))
}
### }}}
### {{{ Dear Emacs
## Local variables:
## folded-file: t
## End:
### }}}
###------------------------------------------------------------------------
### runit.write.fwf.R ends here
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