AMR/tests/testthat/test-ggplot_rsi.R

# ==================================================================== #
# TITLE                                                                #
# Antimicrobial Resistance (AMR) Data Analysis for R                   #
#                                                                      #
# SOURCE                                                               #
# https://github.com/msberends/AMR                                     #
#                                                                      #
# LICENCE                                                              #
# (c) 2018-2021 Berends MS, Luz CF et al.                              #
# Developed at the University of Groningen, the Netherlands, in        #
# collaboration with non-profit organisations Certe Medical            #
# Diagnostics & Advice, and University Medical Center Groningen.       # 
#                                                                      #
# This R package is free software; you can freely use and distribute   #
# it for both personal and commercial purposes under the terms of the  #
# GNU General Public License version 2.0 (GNU GPL-2), as published by  #
# the Free Software Foundation.                                        #
# We created this package for both routine data analysis and academic  #
# research and it was publicly released in the hope that it will be    #
# useful, but it comes WITHOUT ANY WARRANTY OR LIABILITY.              #
#                                                                      #
# Visit our website for the full manual and a complete tutorial about  #
# how to conduct AMR data analysis: https://msberends.github.io/AMR/   #
# ==================================================================== #

context("ggplot_rsi.R")

test_that("ggplot_rsi works", {
  
  skip_on_cran()
  
  skip_if_not_installed("ggplot2")
  skip_if_not_installed("dplyr")
  
  if (require("dplyr") & require("ggplot2")) {
    
    pdf(NULL) # prevent Rplots.pdf being created
    
    # data should be equal
    expect_equal(
      (example_isolates %>% select(AMC, CIP) %>% ggplot_rsi())$data %>% summarise_all(resistance) %>% as.double(),
      example_isolates %>% select(AMC, CIP) %>% summarise_all(resistance) %>% as.double()
    )
    
    print(example_isolates %>% select(AMC, CIP) %>% ggplot_rsi(x = "interpretation", facet = "antibiotic"))
    print(example_isolates %>% select(AMC, CIP) %>% ggplot_rsi(x = "antibiotic", facet = "interpretation"))
    
    expect_equal(
      (example_isolates %>% select(AMC, CIP) %>% ggplot_rsi(x = "interpretation", facet = "antibiotic"))$data %>% summarise_all(resistance) %>% as.double(),
      example_isolates %>% select(AMC, CIP) %>% summarise_all(resistance) %>% as.double()
    )
    
    expect_equal(
      (example_isolates %>% select(AMC, CIP) %>% ggplot_rsi(x = "antibiotic", facet = "interpretation"))$data %>% summarise_all(resistance) %>% as.double(),
      example_isolates %>% select(AMC, CIP) %>% summarise_all(resistance) %>% as.double()
    )
    
    expect_equal(
      (example_isolates %>% select(AMC, CIP) %>% ggplot_rsi(x = "antibiotic", facet = "interpretation"))$data %>% summarise_all(count_resistant) %>% as.double(),
      example_isolates %>% select(AMC, CIP) %>% summarise_all(count_resistant) %>% as.double()
    )
    
    # support for scale_type ab and mo
    expect_equal(class((data.frame(mo = as.mo(c("e. coli", "s aureus")),
                                   n = c(40, 100)) %>%
                          ggplot(aes(x = mo, y = n)) +
                          geom_col())$data),
                 "data.frame")
    expect_equal(class((data.frame(ab = as.ab(c("amx", "amc")),
                                   n = c(40, 100)) %>%
                          ggplot(aes(x = ab, y = n)) +
                          geom_col())$data),
                 "data.frame")
    
    expect_equal(class((data.frame(ab = as.ab(c("amx", "amc")),
                                   n = c(40, 100)) %>%
                          ggplot(aes(x = ab, y = n)) +
                          geom_col())$data),
                 "data.frame")
    
    # support for manual colours
    expect_equal(class((ggplot(data.frame(x = c("Value1", "Value2", "Value3"),
                                          y = c(1, 2, 3),
                                          z = c("Value4", "Value5", "Value6"))) +
                          geom_col(aes(x = x, y = y, fill = z)) +
                          scale_rsi_colours(Value4 = "S", Value5 = "I", Value6 = "R"))$data),
                 "data.frame")
    
  }
})