yahoo/pngjs-image

// Copyright 2015 Yahoo! Inc.
// Copyrights licensed under the Mit License. See the accompanying LICENSE file for terms.

var os = require('os');
var testGen = require('../../testGen');

describe('zTXt', function () {

    describe('Single', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_single',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "test",
                        content: "hello world"
                    }
                ]
            }
        });
    });

    describe('Multiple', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_multiple',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "test1",
                        content: "hello world1"
                    },
                    {
                        keyword: "test2",
                        content: "hello world2"
                    },
                    {
                        keyword: "test3",
                        content: "hello world3"
                    }
                ]
            }
        });
    });

    describe('Empty', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_empty',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: []
            }
        });
    });

    describe('Special Characters', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_special_chars',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "test",
                        content: "hello © world"
                    }
                ]
            }
        });
    });

    describe('Long Keyword', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_long_keyword',

            expectFailure: true,
            expectMessage: 'Keyword cannot be longer than 79 characters.',

            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "12345678901234567890123456789012345678901234567890123456789012345678901234567890", // 80
                        content: "hello world"
                    }
                ]
            }
        });
    });

    describe('Empty Keyword', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_empty_keyword',

            expectFailure: true,
            expectMessage: 'Keyword needs to have a least one character.',

            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "",
                        content: "hello world"
                    }
                ]
            }
        });
    });

    describe('Default Keyword', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_default_keyword',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    { // Keyword: "Title"
                        content: "hello world"
                    }
                ]
            }
        });
    });

    describe('No Content Keyword', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_no_content',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "test"
                    }
                ]
            }
        });
    });

    describe('New linew', function () {

        testGen.addEncodeTests({
            resourceGroup: [],
            resourceFile: 'base',
            outputGroup: ['ancillary', 'text'],
            outputFile: 'zTXt_new_line',

            imageCheck: true,
            width: 32,
            height: 32,

            encodeOptions: {
                compressedTexts: [
                    {
                        keyword: "test",
                        content: "hello" + os.EOL + "world"
                    }
                ]
            }
        });
    });
});