https://github.com/suzannesoy/repltest

REPLtest: Copy-paste your REPL interactions, and have them run as tests
https://github.com/suzannesoy/repltest

racket-library

Last synced: 5 months ago
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REPLtest: Copy-paste your REPL interactions, and have them run as tests

• Host: GitHub
• URL: https://github.com/suzannesoy/repltest
• Owner: SuzanneSoy
• License: other
• Created: 2016-03-30T15:59:50.000Z (about 10 years ago)
• Default Branch: main
• Last Pushed: 2021-04-04T14:29:05.000Z (about 5 years ago)
• Last Synced: 2025-01-30T11:42:06.592Z (over 1 year ago)
• Topics: racket-library
• Language: Racket
• Homepage: http://docs.racket-lang.org/repltest/
• Size: 29.3 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 11
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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REPLtest

========

This package provides the `#lang repltest` meta-language, which can be

used to turn the transcript of an interactive racket session into a

series of tests.

Installation

------------

Install this package with:

```

raco pkg install --deps search-auto repltest

```

Usage

-----

Write a file using the repltest meta-language, containing definitions at the

top and interactions after the first prompt (by default the prompt is `"> "`,

I will add customization options later). Each prompt is followed by a single

expression and by the expected result.

```

#lang debug repltest typed/racket

;; There is a problem if there is a comment before a prompt, as comments

;; are not gobbled-up by the preceding read. This will be fixed in a

;; later version.

(define x 0)

(define y 1)

'displayed

(displayln "displayed too")

> (+ 1 1)

- : Integer [more precisely: Positive-Index]

2

> x

- : Integer [more precisely: Zero]

0

> (values x y)

- : (values Integer Integer) [more precisely: (Values Zero One)]

0

1

> #R(+ 2 0)

(+ 2 0) = 2

- : Integer [more precisely: Positive-Byte]

2

```

When the `test` submodule of this file is executed (e.g. with `raco

test file.rkt`), `repltest` runs the expression after each `> `

prompt, and checks the expected result is produced.