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speclj

(pronounced "speckle" [spek-uhl])

It's a TDD/BDD framework for Clojure, based on RSpec.

Installation

With Leiningen

You will need Leiningen version 1.4 or later.

Include speclj in your :dev-dependencies and change the :test-path to "spec/"

:dev-dependencies [[speclj "1.2.0"]]
:test-path "spec/"

Manual installation

  1. Check out the source code: https://github.com/slagyr/speclj
  2. Build the jar file:

    $ lein jar

Usage

File Structure

All your speclj code should go into a a directory named spec at the root of your project. Conventionally, the spec directory will mirror the src directory structure except that all the spec files will have the '_spec.clj' postfix.

| sample_project
|-- project.clj
|-- src
    |-- sample
        |-- core.clj
        | (All your other source code)
|-- spec
    |-- sample
        |-- core_spec.clj
        | (All your other test code)

A Sample Spec File

Checkout this example spec file. It would be located at sample_project/spec/sample/core_spec.clj. Below we'll look at it piece by piece.

(ns sample.core-spec
  (:use 
    [speclj.core]
    [sample.core]))

(describe "Truth"

  (it "is true"
    (should true))

  (it "is not false"
    (should-not false)))

(run-specs)

speclj.core namespace

Your spec files should :use the speclj.core in it's entirety. It's a clean namespace and you're likely going to use all the definitions within it. Don't forget to pull in the library that you're testing as well (sample.core in this case).

(:use 
    [speclj.core]
    [sample.core])

describe

describe is the outer most container for specs. It takes a String name and any number of spec components.

(describe "Truth" ...)

it

it specifies a characteristic of the subject. This is where assertions go. Be sure to provide good names as the first parameter of it calls.

(it "is true" ...)

should and should-not

Assertions. All assertions begin with should. should and should-not are just two of the many assertions available. They both take expressions that they will check for truthy-ness and falsy-ness respectively.

(should ...)
(should-not ...)

run-specs

At the very end of the file is an invocation of (run-specs). This will invoke the specs and print a summary. When running a suite of specs, this call is benign.

(run-specs)

should Variants

There are several ways to make assertions. They are documented on the wiki: Should Variants

Spec Components

it or characteristics are just one of several spec components allowed in a describe. Others like before, with, around, etc are helpful in keeping your specs clean and dry. Check out the listing on the wiki: Spec Components

Running Specs

With Leiningen

Speclj includes a Leiningen task to execute speclj.main.

$ lein spec

Running All Specs at Once

The command below will run all the specs found in "spec" directory.

$ java -cp <...> speclj.main

Autotest

The command below will start a process that will watch the source files and run spec for any updated files.

$ java -cp <...> speclj.main -a

Options

There are several options for the runners. Use the --help options to see them all. Or visit Command Line Options.

$ java -cp <...> speclj.main --help

Community

Contributing

speclj uses Leiningen version 1.4.0.

Clone the master branch, build, and run all the tests:

git clone https://github.com/slagyr/speclj.git
cd speclj
lein javac
lein spec

Make patches and submit them along with an issue (see below).

Issues

Post issues on the speclj github project:

License

Copyright (C) 2010 Micah Martin All Rights Reserved.

Distributed under the The MIT License.

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