/*eslint strict:0*/
var fs = require('fs');

casper.test.begin('Casper.capture() tests', 1, {
    testFile: '/tmp/__casper_test_capture.png',

    setUp: function(test) {
        if (fs.exists(this.testFile) && fs.isFile(this.testFile)) {
            try {
                fs.remove(this.testFile);
            } catch (e) {
            }
        }
    },

    tearDown: function(test) {
        try {
            fs.remove(this.testFile);
        } catch(e) {
        }
    },

    test: function(test) {
        var self = this;

        casper.start('tests/site/index.html', function() {
            this.viewport(300, 200);
            this.capture(self.testFile);
            test.assert(fs.isFile(self.testFile), 'Casper.capture() captured a screenshot');
        });

        casper.run(function() {
            test.done();
        });
    }
});

casper.test.begin('Casper.captureSelector() tests', 2, {
    testFile: '/tmp/__casper_test_capture.png',

    setUp: function(test) {
        if (fs.exists(this.testFile) && fs.isFile(this.testFile)) {
            try {
                fs.remove(this.testFile);
            } catch (e) {
            }
        }
    },

    tearDown: function(test) {
        try {
            fs.remove(this.testFile);
        } catch(e) {
        }
    },

    test: function(test) {
        var self = this;

        casper.start('tests/site/index.html', function() {
            this.viewport(300, 200);
            this.captureSelector(self.testFile, 'ul');
            test.assert(fs.isFile(self.testFile),
                'Casper.captureSelector() captured from a selector');

            var sizeBeforeScroll = fs.size(self.testFile);
            this.scrollTo(10, 20);
            this.captureSelector(self.testFile, 'ul');
            var sizeAfterScroll = fs.size(self.testFile);
            test.assert(sizeBeforeScroll === sizeAfterScroll,
                'Casper.captureSelector() captured from a selector after scrolling');
        });

        casper.run(function() {
            test.done();
        });
    }
});

casper.test.begin('Casper.captureBase64() tests', 4, function(test) {
    casper.start('tests/site/index.html', function() {
        test.assert(this.captureBase64('png').length > 0,
            'Casper.captureBase64() rendered a page capture as base64');
        test.assert(this.captureBase64('png', 'ul').length > 0,
            'Casper.captureBase64() rendered a capture from a selector as base64');
        test.assert(this.captureBase64('png', {top: 0, left: 0, width: 30, height: 30}).length > 0,
            'Casper.captureBase64() rendered a capture from a clipRect as base64');
        this.viewport(300, 200);
        var sizeBeforeScroll = this.captureBase64('png', 'ul').length;
        this.scrollTo(10, 20);
        var sizeAfterScroll = this.captureBase64('png', 'ul').length;
        test.assert(sizeBeforeScroll === sizeAfterScroll,
            'Casper.captureBase64() rendered from a selector must be the same before and after scrolling');
    }).run(function() {
        test.done();
    });
});