TestCase: An R6 class representing a test case

In ucbds-infra/ottr: An R Autograding Extension for Otter-Grader

An R6 class representing a test case

Description

A test case for Ottr. Contains configurations and code to be executed for the test.

Public fields

name

The name of the test case

code

The code to be executed as part of the test case

points

The point value of the test case

hidden

Whether the test case is hidden

success_message

A message to show to students if the test passes

failure_message

A message to show to students if the test fails

Methods

Public methods

• TestCase$new()

• TestCase$run()

• TestCase$to_list()

• TestCase$clone()

---

Method new()

Create a test case.

Usage

TestCase$new(
  name,
  code,
  points = 1,
  hidden = FALSE,
  success_message = NA,
  failure_message = NA
)

Arguments

name

The name of the test case

code

The code to be executed as part of the test case

points

The point value of the test case

hidden

Whether the test case is hidden

success_message

A message to show to students if the test passes

failure_message

A message to show to students if the test fails

---

Method run()

Run the test case against the provided environment.

Usage

TestCase$run(env)

Arguments

env

The environment to run the test case in

---

Method to_list()

Convert this test case to a JSON-compatible list with all of its fields.

Usage

TestCase$to_list()

Returns

The list representation of this test case

---

Method clone()

The objects of this class are cloneable with this method.

Usage

TestCase$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

tc = TestCase$new("q1", {
  testthat::assert_true(q1.ans)
})
env = new.env()
env$q1.ans = TRUE
tc$run(env)

ucbds-infra/ottr documentation built on Feb. 24, 2024, 2:31 a.m.