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CHANGELOG.md

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Changelog

All notable changes to the testwhat project will be documented in this file. This project adheres to Semantic Versioning.

4.11.1

  • Use Perl RegEx

4.11.0

  • Add support for positional argument access (check_arg(n)) and ... element argument access (..n)
  • Make check_call work with list args
  • Improve support for checking nested function calls

4.10.0

  • Add optional parameter to force passing the diagnose tests in check_correct.

4.9.8

Fixed

  • Blacklisting removal introduced a bug that is now fixed.
  • Checking a function call zooms in on the code for chained checking.

4.9.0

Changed

  • Blacklisting has been removed as a mechanism to help match function calls.

4.8.0

Added

  • Automatic ex() %>% check_error() check after an SCT finished successfully, unless allow_errors is set to FALSE by RBackend, which is the case if the exericse has allow_solution_error() in the pre-exercise-code
  • Explicitly export disable_highlighting()
  • Add example for test to check for function definitions

Fixed

  • Some typos in error messages (thanks Richie)

4.7.3

Improved

  • Error out in case the first argument to any check_ function is not a state, which happens if you forget the ..
  • Error out if the code you pass in override_solution() does not parse.
  • Improve test coverage.

4.7.2

Improved

  • Improve check_or/check_correct message if it is used incorrectly

Added

  • Error out in case check_object() is not used on root state (and TESTWHAT_V2_ONLY set)
  • Error out in case check_output_expr() is not used on root state
  • Error out in case check_function() called on check_object()
  • Error out in case check_call() not called on check_function_def()
  • Error out in case check_arg() not called on check_function()

4.7.1

Added

  • New function check_mc() to use instead of test_mc().

Changed

  • If TESTWHAT_V2_ONLY=1 the test_mc() function will error out.

  • test_correct(), test_or() will error out.

  • If TESTWHAT_V2_ONLY=1, old skool usage of check_correct() and check_or() will error out. You have to pipe in ex():

    ex() %>% check_correct(...)
ex() %>% check_or(...)

4.7.0

When executing old skool test_() functions, testwhat will now check the environment variable TESTWHAT_V2_ONLY. If it is set to 1, an error will be generated. This will effectively make test_() functions unavailable for newer courses whose course image will have this environment variable baked in.

4.6.0

Added

  • You can now pipe the state into check_correct() and check_or(). These functions will then expose a special variable . for the subtests to use:

    ex() %>% check_correct(
  check_object(., 'x') %>% check_equal(),
  check_function(., 'mean') %>% check_arg('x') %>% check_equal()
)

  • You can specify custom equality functions to compare objects, function arguments and function results:

    # solution
x <- list(a = 1)

# sct
ex() %>% check_object('x') %>% check_equal(eq_fun = function(x, y) { x$a == x$b })

# submissions that will pass
x <- list(a = 1)
x <- data.frame(a = 1)
x <- list(a = 1, b = 2)

4.5.1 - slight markdown improvements

Added

  • Support to test h1-level tags (starting with # or underlined with =====)

Changed

  • Automated messaging around check_header() does not use the h<num> reference, instead uses level <num> reference.

4.5.0 - test markdown exercises, the tidy way

Added

  • Several functions to verify the correctness of exercises of the type MarkdownExercise, such as check_rmd(), check_yaml(), check_header(), check_chunk() and check_option(). Together, they allow for a gradual 'zooming in' on particular parts of the markdown file submitted by the student and the markdown file contained in the solution.
  • disable_highlighting(): when used in an %>%-based SCT chain, this disables highlighting for any checking functions that follow. If there is highlighting information for before the disable_highlighting() function, this will be used as a fallback.
  • Handle for integrating testwhat as a grader into learnr.

Changed

  • Several improvements to documentation and vignettes overall.

Removed

  • Support for allow_extra argument in test_yaml_header() and test_chunk_options(), as they were used nowhere on the platform. These functions will soon be either removed or updated to depend on the new tidy markdown testing functions.

4.4.3

Added

  • check_library(): check_ equivalent for test_library_function(). Documentation has been udpated accordingly
  • check_code() now takes a drop_comments argument. It defaults to FALSE. If you set it to TRUE, comments will be stripped from the student submission before the pattern you specified (fixed or not) is sought.

Changed

  • check_library() (and by extension test_library_function()) now ignore library() and require() calls in comments.