library(testthat) # most common expectations: # equality: expect_equal() and expect_identical() # regexp: expect_match() # catch-all: expect_true() and expect_false() # console output: expect_output() # messages: expect_message() # warning: expect_warning() # errors: expect_error() escapeString <- function(s) { t <- gsub("(\\\\)", "\\\\\\\\", s) t <- gsub("(\n)", "\\\\n", t) t <- gsub("(\r)", "\\\\r", t) t <- gsub("(\")", "\\\\\"", t) return(t) } prepStr <- function(s) { t <- escapeString(s) u <- eval(parse(text=paste0("\"", t, "\""))) if(s!=u) stop("Unable to escape string!") t <- paste0("\thtml <- \"", t, "\"") utils::writeClipboard(t) return(invisible()) } evaluationMode <- "sequential" processingLibrary <- "dplyr" description <- "test: sequential dplyr" countFunction <- "n()" testScenarios <- function(description="test", releaseEvaluationMode="batch", releaseProcessingLibrary="dplyr", runAllForReleaseVersion=FALSE) { isDevelopmentVersion <- (length(strsplit(packageDescription("pivottabler")$Version, "\\.")[[1]]) > 3) if(isDevelopmentVersion||runAllForReleaseVersion) { evaluationModes <- c("sequential", "batch") processingLibraries <- c("dplyr", "data.table") } else { evaluationModes <- releaseEvaluationMode processingLibraries <- releaseProcessingLibrary } testCount <- length(evaluationModes)*length(processingLibraries) c1 <- character(testCount) c2 <- character(testCount) c3 <- character(testCount) c4 <- character(testCount) testCount <- 0 for(evaluationMode in evaluationModes) for(processingLibrary in processingLibraries) { testCount <- testCount + 1 c1[testCount] <- evaluationMode c2[testCount] <- processingLibrary c3[testCount] <- paste0(description, ": ", evaluationMode, " ", processingLibrary) c4[testCount] <- ifelse(processingLibrary=="data.table", ".N", "n()") } df <- data.frame(evaluationMode=c1, processingLibrary=c2, description=c3, countFunction=c4, stringsAsFactors=FALSE) return(df) } context("VISUAL TOTALS TESTS") scenarios <- testScenarios("visual totals") for(i in 1:nrow(scenarios)) { evaluationMode <- scenarios$evaluationMode[i] processingLibrary <- scenarios$processingLibrary[i] description <- scenarios$description[i] countFunction <- scenarios$countFunction[i] test_that(description, { library(pivottabler) pt <- PivotTable$new(processingLibrary=processingLibrary, evaluationMode=evaluationMode, compatibility=list(totalStyleIsCellStyle=TRUE, explicitHeaderSpansOfOne=TRUE, noDataGroupNBSP=TRUE)) pt$addData(bhmtrains) pt$addColumnDataGroups("TrainCategory", fromData=FALSE, explicitListOfValues=list("Express Passenger"), visualTotals=TRUE) pt$addRowDataGroups("TOC", fromData=FALSE, explicitListOfValues=list("Arriva Trains Wales", "CrossCountry", "London Midland"), visualTotals=TRUE) pt$addRowDataGroups("PowerType", fromData=FALSE, explicitListOfValues=list("DMU"), visualTotals=TRUE) pt$addRowDataGroups("SchedSpeedMPH", fromData=FALSE, explicitListOfValues=list(90, 100), visualTotals=TRUE) pt$defineCalculation(calculationName="TotalTrains", summariseExpression=countFunction) pt$evaluatePivot() # pt$renderPivot() # sum(pt$cells$asMatrix(), na.rm=TRUE) # prepStr(as.character(pt$getHtml())) html <- "\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
 Express PassengerTotal
Arriva Trains WalesDMU9029892989
100
Total29892989
Total29892989
CrossCountryDMU90
1001096110961
Total1096110961
Total1096110961
London MidlandDMU9023402340
10024502450
Total47904790
Total47904790
Total1874018740
" expect_equal(sum(pt$cells$asMatrix(), na.rm=TRUE), 149920) expect_identical(as.character(pt$getHtml()), html) }) }