1.5.1 • Public • Published

    Test Spec Parser

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    A parser and runtime for markdown-inspired documentation and testing files


    npm install @clubedaentrega/test-spec --save


    var spec = require('@clubedaentrega/test-spec')
    // Usually, the source is read from some *.md file
    var source = '# Title\n'+
        '## Sub section\n'+
        'Some textual content\n'+
        '\t\tname: "Gui".toUpperCase()'
    // Compile the source to a tree of section, text and value blocks
    var mainSection = spec.compile(source),
        subSection = mainSection.children[0],
        valueBlock = subSection.children[1],
        // Execute the value block
        value = valueBlock.run()
    console.log(value) // {user: {name: 'GUI'}}


    Testing is, at the same time:

    • very great because it lets you trust code is ready for production!
    • extremely boring to write, because test code is dumb and repetitive

    This module tries to solve this by making testing code more concise and unifying testing and documentation.

    Markdown was choosen because it's easy to write/read and it's not code!

    This module is the fundamental parser and compiler for api-test, but can be used separately.

    Syntax and parsing

    This module implements a tiny subset of markdown: headers, paragraphs and code blocks. It does not aim at understanding any other feature (like lists, images, links, etc), but those constructions are accepted. That is, they are not considered valid syntax, but are simply treated as text.

    The source is first transformed into a tree of sections (headers). Each section may have sub-sections, text paragraphs and value blocks.


    Parsed values are compiled to native JS functions, exposing a run() method, like in example above.

    Value syntax

    The syntax for value expressions was designed to be concise and expressive. The values will be eval'ed as normal JS with a context with special variables (see default context bellow).

    The object can be a simple JS value, like:

    new Date

    Or an object with one property by line and tabs used to declare sub-objects:

            first: 'Happy'
            last: 'Customer'
        age: 37 + 2
        country: 'cm'.toUpperCase()

    Or mixins, like:

    user with name.first: 'Unhappy'

    Learn more about the syntax in the file value-syntax.md

    Default context

    The following functions are defined in spec.baseContext and can be used to provide a common set of utility functions to tests.

    • randomStr([len=8], [alphabet=a-zA-Z0-9+/])
    • randomHex([len=8])
    • randomCode([len=8])
    • randomEmail([domain='example.com'])
    • randomUrl([base='http://example.com'])
    • random([min=0],[max=1])
    • randomInt([min=0],[max=100])
    • randomBool()
    • randomDate([interval=1day], [base=now]): return a random date in the past
    • randomOf(...values): return one of its arguments
    • empty: the empty object {}


    See complete docs




    npm i @clubedaentrega/test-spec

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