mammoth.js/tests/docx/content-types-reader.tests.js

var assert = require("assert");

var readContentTypesFromXml = require("../../lib/docx/content-types-reader").readContentTypesFromXml;
var XmlElement = require("../../lib/xml").Element;
var test = require("../testing").test;


describe('readContentTypesFromXml', function() {
    test('reads default-per-extension from XML', function() {
        var contentTypes = readContentTypesFromXml({
            root: new XmlElement("content-types:Types", {}, [
                new XmlElement("content-types:Default", {Extension: "png", ContentType: "image/png"})
            ])
        });
        assert.equal(contentTypes.findContentType("word/media/hat.png"), "image/png");
    });
    
    test('reads overrides in preference to defaults', function() {
        var contentTypes = readContentTypesFromXml({
            root: new XmlElement("content-types:Types", {}, [
                new XmlElement("content-types:Default", {Extension: "png", ContentType: "image/png"}),
                new XmlElement("content-types:Override", {PartName: "/word/media/hat.png", ContentType: "image/hat"})
            ])
        });
        assert.equal(contentTypes.findContentType("word/media/hat.png"), "image/hat");
    });
    
    test('fallback content types have common image types', function() {
        var contentTypes = readContentTypesFromXml({
            root: new XmlElement("content-types:Types", {}, [])
        });
        assert.equal(contentTypes.findContentType("word/media/hat.png"), "image/png");
        assert.equal(contentTypes.findContentType("word/media/hat.gif"), "image/gif");
        assert.equal(contentTypes.findContentType("word/media/hat.jpg"), "image/jpeg");
        assert.equal(contentTypes.findContentType("word/media/hat.jpeg"), "image/jpeg");
        assert.equal(contentTypes.findContentType("word/media/hat.bmp"), "image/bmp");
        assert.equal(contentTypes.findContentType("word/media/hat.tif"), "image/tiff");
        assert.equal(contentTypes.findContentType("word/media/hat.tiff"), "image/tiff");
    });
    
    test('fallback content types are case insensitive on extension', function() {
        var contentTypes = readContentTypesFromXml({
            root: new XmlElement("content-types:Types", {}, [])
        });
        assert.equal(contentTypes.findContentType("word/media/hat.PnG"), "image/png");
    });
});