textlint-tester

Mocha test helper library for textlint rule.

Installation

npm install -D textlint-tester

Usage

1. Write tests by using textlint-tester
2. Run tests by Mocha

TextLintTester

TextLintTester#run(ruleName, rule, {valid=[], invalid=[]})

• {string} ruleName ruleName is name of thee rule
• {Function} rule rule is the function of rule
• {string[]|object[]} valid
  • e.g.) ["text", { text : "text" }]
• {object[]} invalid
  • e.g.) [{text: "text", errors: [ messages : "expected message" ]}

example

var TextLintTester = require("textlint-tester");
// rules
var noTodo = require("textlint-rule-no-todo");
var maxNumberOfLine = require("textlint-rule-max-number-of-lines");
var tester = new TextLintTester();
// ruleName, rule, expected[]
tester.run("no-todo", noTodo, {
    valid: [
        "string, test desu",
        {
            text: "日本語 is Japanese."
        }
    ],
    invalid: [
        // text, expected errors
        {
            text: "- [ ] string",
            errors: [
                {message: "found TODO: '- [ ] string'"}
            ]
        },
        {
            text: "TODO: string",
            errors: [
                {message: "found TODO: 'TODO: string'"}
            ]
        }
    ]
});
tester.run("max-number-of-lines", maxNumberOfLine, {
    valid: [
        "string, test desu",
        {
            text: "日本語 is Japanese."
        }
    ],
    invalid: [
        {
            text: `1
2
3
`,
            options: {
                max: 2
            },
            errors: [
                {
                    ruleId: "max-number-of-lines",
                    message: "Document is too long(number of lines: 3)."
                }
            ]
        }

    ]
});

Tests

mocha test/
# npm test

Contributing

1. Fork it!
2. Create your feature branch: git checkout -b my-new-feature
3. Commit your changes: git commit -am 'Add some feature'
4. Push to the branch: git push origin my-new-feature
5. Submit a pull request :D

License

MIT