Nothing
library(lumberjack)
# cellwise logger
iris$sleutel <- 1:nrow(iris)
logfile <- tempfile()
i2 <- start_log(iris, logger=cellwise$new(key="sleutel", verbose=FALSE))
i2 <- i2 %>>% identity()
i2 <- i2 %>>% {.$Sepal.Length <- .$Sepal.Length*2; .}
i2 <- dump_log(i2, file=logfile, stop=TRUE)
expect_equal(nrow(read.csv(logfile)),nrow(iris))
d1 <- data.frame(sl = 1:3, x=1:3,y=letters[1:3])
d2 <- d1
expect_equal(nrow(lumberjack:::celldiff(d1,d2,"sl")),0)
d2 <- rbind(d1,d1)
d2$sl <- seq_len(nrow(d2))
expect_equal(nrow(lumberjack:::celldiff(d1,d2,"sl")),6)
d2 <- d1
d2$foo <- 3:1
expect_equal(nrow(lumberjack:::celldiff(d1,d2,"sl")),3)
d2 <- d1
d2[1,2] <- 2
expect_equal(nrow(lumberjack:::celldiff(d1,d2,"sl")),1)
iris$id <- seq_len(nrow(iris))
xx <- cellwise$new(key="id")
iris %>>% start_log(xx) %>>% head(149L) %>>% stop_log(dump=FALSE)
d <- xx$logdata()
expect_equal(nrow(d),ncol(iris)-1L)
d1 <- data.frame(id=c(1,1),x=1:2)
d2 <- data.frame(id=c(1,1),x=1:2)
logger <- cellwise$new(key="id")
expect_warning(logger$add(meta=list(src="haha"),input=d1,output=d2))
expect_true("label" %in% ls(logger))
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