context("Format Catalog Tests")


cdlst <- read.table(header = TRUE, text ='
CODELISTNAME	RANK	CODEDVALUE	TRANSLATED
LBNRIND	1	H	High
LBNRIND	2	L	Low
LBNRIND	3	N	Normal
LBTESTCD	1	ALB	Albumin
LBTESTCD	2	ALP	"Alkaline Phosphatase"
LBTESTCD	3	ALT	"Alanine Aminotransferase"
LBTESTCD	4	AST	"Aspartate Aminotransferase"
LBTESTCD	5	BILDIR	"Direct Bilirubin"
LBTESTCD	6	BILI	Bilirubin
LBTESTCD	7	GGT	"Gamma Glutamyl Transferase"
LBTESTCD	8	HCT Hematocrit
LBTESTCD	9	HGB Hemoglobin
LBTESTCD	10	PROT	Protein
LBTESTCD	11	GLUC	Glucose
RACE	1	"BLACK OR AFRICAN AMERICAN" "Black or African American"
RACE	2	ASIAN	Asian
RACE	3	WHITE	White
SEX	1	F	Female
SEX	2	M	Male
SEX	3	U	Unknown')


options("logr.output" = FALSE)

test_that("fcat1: fcat() function works as expected", {
  
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A"),
                          condition(x == "B", "Label B"),
                          condition(TRUE, "Other")),
             lblB = value(condition(x == "C", "Label C"),
                          condition(x == "D", "Label D"),
                          condition(TRUE, "Other"))
  )
  
  
  expect_equal(class(c1)[1], "fcat")
  expect_equal(length(c1), 2)
  expect_equal(names(c1)[1], "lblA")
  
})

test_that("fcat2: as.data.frame.fcat() function works as expected", {
  
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A", order = 2),
                          condition(x == "B", "Label B", order = 1),
                          condition(TRUE, "Other", order = 3)),
             lblB = value(condition(x == "C", "Label C"),
                          condition(x == "D", "Label D"),
                          condition(TRUE, "Other")),
             lblC = "%d%b%Y",
             lblD = function(x) format(x, big.mark = ","),
             lblE = c(A = "Label A", B = "Label B")
  )
  

  dat <- as.data.frame(c1)
  
  expect_equal(nrow(dat), 9)
  expect_equal(as.character(dat[1, 1]), "lblA")
  expect_equal(as.character(dat[4, 1]), "lblB")
  expect_equal(as.character(dat[7, 1]), "lblC")
  expect_equal(as.character(dat[7, 2]), "S")
  
})

test_that("fcat3: as.fcat.data.frame() function works as expected", {
  
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A", order = 2),
                          condition(x == "B", "Label B", order = 1),
                          condition(TRUE, "Other", order = 3)),
             lblB = value(condition(x == "C", "Label C"),
                          condition(x == "D", "Label D"),
                          condition(TRUE, "Other")),
             lblC = "%d%b%Y",
             lblD = function(x) format(x, big.mark = ","),
             lblE = c(A = "Label A", B = "Label B")
  )
  
  
  dat <- as.data.frame(c1)
  dat
  
  c2 <- as.fcat(dat)
  
  
  # print(c1$lblA)
  # print(dat)
  # print(c2)
  # print(c2[["lblA"]])
  # print(fapply("B", c2[["lblA"]]))
  # print(c2[["lblC"]])
  
  expect_equal(length(c2), 5)
  expect_equal(c2[["lblC"]], "%d%b%Y")
  expect_equal(fapply("B", c2$lblA), "Label B")
  expect_equal(fapply("B", c2$lblB), "Other")
  expect_equal(fapply(as.Date("2020-10-05"), c2[["lblC"]]), "05Oct2020")
  expect_equal(fapply(1000, c2[["lblD"]]), "1,000")
  expect_equal(fapply("B", c2[["lblE"]]), "Label B")
  
  
})


test_that("fcat4: write.fcat and read.fcat functions work as expected.", {
  
  
  fp <- tempdir()
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A"),
                          condition(x == "B", "Label B"),
                          condition(TRUE, "Other")),
             lblB = value(condition(x == "C", "Label C"),
                          condition(x == "D", "Label D"),
                          condition(TRUE, "Other"))
  )
  
  pth <- write.fcat(c1, fp)
  
  c2 <- read.fcat(pth)
  
  dat <- as.data.frame(c2)

  
  expect_equal(nrow(dat), 6)
  expect_equal(as.character(dat[1, 1]), "lblA")
  expect_equal(as.character(dat[4, 1]), "lblB")
  
})

test_that("fcat5: is.fcat function work as expected.", {
  
  c1 <- fcat(num_fmt  = "%.1f",
             label_fmt = value(condition(x == "A", "Label A"),
                               condition(x == "B", "Label B"),
                               condition(TRUE, "Other")),
             date_fmt = "%d%b%Y")
  
  
  expect_equal(is.fcat(c1), TRUE)
  
})

test_that("fcat6: fcat can be used for formatting vectors.", {
  
  c1 <- fcat(num_fmt  = "%.1f",
             label_fmt = value(condition(x == "A", "Label A"),
                               condition(x == "B", "Label B"),
                               condition(TRUE, "Other")),
             date_fmt = "%d%b%Y")
  
  res <- c("Label A", "Label B", "Other")
  
  
  expect_equal(fapply(2, c1[["num_fmt"]]), "2.0")
  expect_equal(fapply(c("A", "B", "C"), c1[["label_fmt"]]), res)
  expect_equal(fapply(as.Date("2020-05-16"), c1[["date_fmt"]]), "16May2020")
  
})


test_that("fcat7: fcat printing works as expected.", {
  
  c1 <- fcat(num_fmt  = "%.1f",
             label_fmt = value(condition(x == "A", "Label A"),
                               condition(x == "B", "Label B"),
                               condition(TRUE, "Other")),
             date_fmt = "%d%b%Y")
  
  expect_output(print(c1, verbose = TRUE))
  expect_output(print(c1))
  
})


test_that("fcat8: fcat can be applied to a data frame with formats function.", {
  
  c1 <- fcat(AGE  = "%.1f",
             CATEGORY = value(condition(x == "A", "Label A"),
                               condition(x == "B", "Label B"),
                               condition(TRUE, "Other")),
             BDATE = "%d%b%Y")
  
  dat <- data.frame(NAME = c("Fred", "Sally", "Sven"),
                    AGE = c(25.356, 84.345, 56.346),
                    CATEGORY = c("A", "B", "C"),
                    BDATE = c(as.Date("1995-04-24"), 
                              as.Date("1940-02-11"), 
                              as.Date("1964-11-12")))
  
  formats(dat) <- c1
  
  fdat <- fdata(dat)
  
  expect_equal(as.character(fdat[1, "AGE"]), "25.4")
  expect_equal(as.character(fdat[2, "CATEGORY"]), "Label B")
  expect_equal(as.character(fdat[1, "AGE"]), "25.4")
  
})



test_that("fcat9: print.fcat works as expected.", {
  
  c1 <- fcat(AGE  = "%.1f",
             CATEGORY = value(condition(x == "A", "Label A"),
                              condition(x == "B", "Label B"),
                              condition(TRUE, "Other")),
             BDATE = "%d%b%Y", 
             LKUP = c(A = 1, B = 2, C = 3),
             FUNC = function(x) x + 1)
  
  #print(c1)
  c1
  c1$CATEGORY
  c1$AGE
  c1$LKUP
  c1$FUNC
  #print(c1, verbose = TRUE)
  
  expect_equal(TRUE, TRUE)
  
})


test_that("fcat10: as.fcat.fmt_lst works as expected.", {
  
  f1 <- flist(AGE  = "%.1f",
             CATEGORY = value(condition(x == "A", "Label A"),
                              condition(x == "B", "Label B"),
                              condition(TRUE, "Other")),
             BDATE = "%d%b%Y")
  
  c1 <- as.fcat(f1)
  c1
  
  expect_equal(is.fcat(c1), TRUE)
  

})

test_that("fcat11: as.fcat.list works as expected.", {
  
  l1 <- list(AGE  = "%.1f",
              CATEGORY = value(condition(x == "A", "Label A"),
                               condition(x == "B", "Label B"),
                               condition(TRUE, "Other")),
              BDATE = "%d%b%Y")
  
  c1 <- as.fcat(l1)
  c1
  
  expect_equal(is.fcat(c1), TRUE)
  
  
})


test_that("fcat12: as.fcat.tbl_df works as expected.", {
  
  c1 <- fcat(AGE  = "%.1f",
             CATEGORY = value(condition(x == "A", "Label A"),
                              condition(x == "B", "Label B"),
                              condition(TRUE, "Other")),
             BDATE = "%d%b%Y")
  
  df <- as.data.frame(c1)
  
  tb <- tibble::as_tibble(df)
  
  c2 <- as.fcat(tb)
  c2
  
  expect_equal(is.fcat(c2), TRUE)
  
  
})

test_that("fcat13: row_limit parameter works as expected", {
  
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A", order = 2),
                          condition(x == "B", "Label B", order = 1),
                          condition(TRUE, "Other", order = 3)),
             lblB = value(condition(x == "C", "Label C"),
                          condition(x == "D", "Label D"),
                          condition(TRUE, "Other")),
             lblC = "%d%b%Y",
             lblD = function(x) format(x, big.mark = ","),
             lblE = c(A = "Label A", B = "Label B")
  )
  
  if (FALSE) {
    print(c1)
    print(c1, row_limit = NULL)
    print(c1, row_limit = 3)
    print(c1, row_limit = 7)
  }

  expect_equal(TRUE, TRUE)
  
  
})


test_that("fcat14: print.fcat function works as expected", {
  
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A"),
                          condition(x == "B", "Label B"),
                          condition(TRUE, "Other")),
             lblB = function(x) format(x, width = 4),
             lblC = c(A = "Label A", B = "Label B")
  )
  
  
  expect_equal(class(c1)[1], "fcat")
  expect_equal(length(c1), 3)
  expect_equal(names(c1)[1], "lblA")
  
  res <- capture.output(print(c1))
  
  expect_equal(length(res) > 1, TRUE)
  
})

# This is a test of printing to console.  No real test.
test_that("fcat15: log parameter works as expected.", {
  
  # Prints to console
  c1 <- fcat(lblA = c(A = 1, B = 2),
             lblB = "%1.1f"
  )
  
  # Does not print to console
  c1 <- fcat(lblA = c(A = 1, B = 2),
             lblB = "%1.1f", log = FALSE
  )
  
  expect_equal(1, 1)
  
})


test_that("fcat16: import.fcat works as expected.", {
  
  res <- import.fcat(cdlst, name = "CODELISTNAME", 
                     value = "CODEDVALUE", 
                     label = "TRANSLATED")
  
  res
  
  expect_equal(length(res), 4)
  expect_equal(names(res), c("LBNRIND", "LBTESTCD", "RACE", "SEX"))


  expect_equal(length(res$SEX), 3)
  expect_equal(length(res$LBNRIND), 3)
  expect_equal(length(res$LBTESTCD), 11)
  expect_equal(length(res$RACE), 3)
  
  res$SEX
  
  res1 <- fapply(c("M", "F", "M"), res$SEX)
  
  expect_equal(res1[1], "Male")
  
})


test_that("fcat17: write.fcat and read.fcat functions retain as.factor parameter.", {
  
  
  fp <- tempdir()
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A"),
                          condition(x == "B", "Label B"),
                          condition(TRUE, "Other")),
             lblB = value(condition(x == "C", "Label C"),
                          condition(x == "D", "Label D"),
                          condition(TRUE, "Other"), as.factor = TRUE)
  )
  
  pth <- write.fcat(c1, fp)
  
  c2 <- read.fcat(pth)

  expect_equal(attr(c2$lblA, "as.factor"), FALSE)
  expect_equal(attr(c2$lblB, "as.factor"), TRUE)
  
})

test_that("fcat18: as.fcat.data.frame() order works as expected", {
  
  
  c1 <- fcat(lblA = value(condition(x == "A", "Label A", order = "2"),
                          condition(x == "B", "Label B", order = "1"),
                          condition(TRUE, "Other", order = "3"))
  )
  

  # Possible error
  res <- fapply(c("A", "B", "C"), c1$lblA)
  
  
  expect_equal(length(res), 3)

  
})