index.js

var path = require('path');
var tester = require('gitbook-tester');
var assert = require('assert');

describe('PlantUML', function() {
    it('should correctly replace by img html tag', function() {
        return tester.builder()
            .withContent('This is a diagram:\n\n{% plantuml %}\nBob->Alice : hello\n{% endplantuml %}')
            .withBookJson({
                plugins: ['puml']
            })
            .withLocalPlugin(path.join(__dirname, '..'))
            .create()
            .then(function(result) {
                assert.equal(result[0].content, '<p>This is a diagram:</p>\n<p><img src="http://www.plantuml.com/plantuml/svg/UDhZSifFqhLppCbCJbMmKiX8pSd9vm80FC85_m00"></p>')
            });
    });
});