tests/testthat/test-cani-functions.R

In sportyR: Plot Scaled 'ggplot' Representations of Sports Playing Surfaces

# Test the cani_plot functions to ensure that they work properly. They should
# each return a specific message about what leagues/sports are available to be
# plotted

test_that(
  "cani_plot_() functions are working correctly for multiple leagues/sports", {
  # Test to make sure proper messages are returned when multiple leagues/sports
  # are possible
  expect_message(
    cani_plot_league("ncaa"),
    fixed = TRUE,
    regexp = glue::glue(
      "NCAA can be used in the following functions: geom_baseball(), ",
      "geom_basketball(), geom_football(), geom_hockey(), geom_soccer(), ",
      "geom_tennis(), or geom_volleyball()"
    )
  )
  expect_message(
    cani_plot_sport("basketball"),
    fixed = TRUE,
    regexp = glue::glue(
      "geom_basketball() can be used to plot for the following leagues: ",
      "FIBA, NBA, NBA G LEAGUE, NCAA, NFHS, WNBA"
    )
  )
})

test_that(
  "cani_plot_() functions return correct messages for no leagues/sports", {
  # Test to make sure proper messages are returned if no league/sport is
  # supplied
  expect_message(
    cani_plot_league("testleague"),
    fixed = TRUE,
    regexp = glue::glue(
      "Sorry, TESTLEAGUE is not a viable league to plot at this time. Please ",
      "create an issue on GitHub with the league's playing surface ",
      "specifications for the league to be added to the package"
    )
  )
  expect_message(
    cani_plot_sport("testsport"),
    fixed = TRUE,
    regexp = glue::glue(
      "Sorry, testsport is not a viable sport to plot at this time. Please ",
      "create an issue on GitHub with the sport's playing surface ",
      "specifications for the league to be added to the package"
    )
  )
})

test_that(
  "cani_plot_() functions return correct messages for single leagues/sports", {
  # Test to make sure proper messages are returned if no league/sport is
  # supplied
  expect_message(
    cani_plot_league("nfl"),
    fixed = TRUE,
    regexp = "A plot for NFL can be created via the geom_football() function"
  )
})

test_that("cani_color_league_features() returns message on success", {
  # Test to make sure that cani_color_league_features() returns a message for
  # each league
  expect_message(cani_color_league_features("nfl"))
})

test_that(
  glue::glue(
    "cani_color_league_features() returns error with league code NCAA and ",
    "either NULL or unavailable sport"
  ), {
    # Test to make sure that an error message is returned
    expect_error(cani_color_league_features("NCAA"))
  }
)

test_that(
  glue::glue(
    "cani_color_league_features() returns message with league code NCAA and ",
    "available sport"
  ), {
    # Test to make sure that an error message is returned
    expect_message(cani_color_league_features("NCAA", "basketball"))
  }
)

test_that("cani_color_league_features() returns error with bad league", {
  # Test to make sure that proper error messages are returned when a bad league
  # code is supplied
  suppressMessages(
    expect_error(cani_color_league_features("badleague"))
  )
})