lepu-test-platform-web/node_modules/less/test/browser/common.js

231 lines
7.9 KiB
JavaScript

var logMessages = [];
window.less = window.less || {};
var logLevel_debug = 4,
logLevel_info = 3,
logLevel_warn = 2,
logLevel_error = 1;
// The amount of logging in the javascript console.
// 3 - Debug, information and errors
// 2 - Information and errors
// 1 - Errors
// 0 - None
// Defaults to 2
less.loggers = [
{
debug: function(msg) {
if (less.options.logLevel >= logLevel_debug) {
logMessages.push(msg);
}
},
info: function(msg) {
if (less.options.logLevel >= logLevel_info) {
logMessages.push(msg);
}
},
warn: function(msg) {
if (less.options.logLevel >= logLevel_warn) {
logMessages.push(msg);
}
},
error: function(msg) {
if (less.options.logLevel >= logLevel_error) {
logMessages.push(msg);
}
}
}
];
testLessEqualsInDocument = function () {
testLessInDocument(testSheet);
};
testLessErrorsInDocument = function (isConsole) {
testLessInDocument(isConsole ? testErrorSheetConsole : testErrorSheet);
};
testLessInDocument = function (testFunc) {
var links = document.getElementsByTagName('link'),
typePattern = /^text\/(x-)?less$/;
for (var i = 0; i < links.length; i++) {
if (links[i].rel === 'stylesheet/less' || (links[i].rel.match(/stylesheet/) &&
(links[i].type.match(typePattern)))) {
testFunc(links[i]);
}
}
};
ieFormat = function(text) {
var styleNode = document.createElement('style');
styleNode.setAttribute('type', 'text/css');
var headNode = document.getElementsByTagName('head')[0];
headNode.appendChild(styleNode);
try {
if (styleNode.styleSheet) {
styleNode.styleSheet.cssText = text;
} else {
styleNode.innerText = text;
}
} catch (e) {
throw new Error('Couldn\'t reassign styleSheet.cssText.');
}
var transformedText = styleNode.styleSheet ? styleNode.styleSheet.cssText : styleNode.innerText;
headNode.removeChild(styleNode);
return transformedText;
};
testSheet = function (sheet) {
it(sheet.id + ' should match the expected output', function (done) {
var lessOutputId = sheet.id.replace('original-', ''),
expectedOutputId = 'expected-' + lessOutputId,
lessOutputObj,
lessOutput,
expectedOutputHref = document.getElementById(expectedOutputId).href,
expectedOutput = loadFile(expectedOutputHref);
// Browser spec generates less on the fly, so we need to loose control
less.pageLoadFinished
.then(function () {
lessOutputObj = document.getElementById(lessOutputId);
lessOutput = lessOutputObj.styleSheet ? lessOutputObj.styleSheet.cssText :
(lessOutputObj.innerText || lessOutputObj.innerHTML);
expectedOutput
.then(function (text) {
if (window.navigator.userAgent.indexOf('MSIE') >= 0 ||
window.navigator.userAgent.indexOf('Trident/') >= 0) {
text = ieFormat(text);
}
expect(lessOutput).to.equal(text);
done();
})
.catch(function(err) {
done(err);
});
})
.catch(function(err) {
done(err);
});
});
};
// TODO: do it cleaner - the same way as in css
function extractId(href) {
return href.replace(/^[a-z-]+:\/+?[^\/]+/i, '') // Remove protocol & domain
.replace(/^\//, '') // Remove root /
.replace(/\.[a-zA-Z]+$/, '') // Remove simple extension
.replace(/[^\.\w-]+/g, '-') // Replace illegal characters
.replace(/\./g, ':'); // Replace dots with colons(for valid id)
}
waitFor = function (waitFunc) {
return new Promise(function (resolve) {
var timeoutId = setInterval(function () {
if (waitFunc()) {
clearInterval(timeoutId);
resolve();
}
}, 5);
});
};
testErrorSheet = function (sheet) {
it(sheet.id + ' should match an error', function (done) {
var lessHref = sheet.href,
id = 'less-error-message:' + extractId(lessHref),
errorHref = lessHref.replace(/.less$/, '.txt'),
errorFile = loadFile(errorHref),
actualErrorElement,
actualErrorMsg;
// Less.js sets 10ms timer in order to add error message on top of page.
waitFor(function () {
actualErrorElement = document.getElementById(id);
return actualErrorElement !== null;
}).then(function () {
var innerText = (actualErrorElement.innerHTML
.replace(/<h3>|<\/?p>|<a href="[^"]*">|<\/a>|<ul>|<\/?pre( class="?[^">]*"?)?>|<\/li>|<\/?label>/ig, '')
.replace(/<\/h3>/ig, ' ')
.replace(/<li>|<\/ul>|<br>/ig, '\n'))
.replace(/&amp;/ig, '&')
// for IE8
.replace(/\r\n/g, '\n')
.replace(/\. \nin/, '. in');
actualErrorMsg = innerText
.replace(/\n\d+/g, function (lineNo) {
return lineNo + ' ';
})
.replace(/\n\s*in /g, ' in ')
.replace(/\n{2,}/g, '\n')
.replace(/\nStack Trace\n[\s\S]*/i, '')
.replace(/\n$/, '')
.trim();
errorFile
.then(function (errorTxt) {
errorTxt = errorTxt
.replace(/\{path\}/g, '')
.replace(/\{pathrel\}/g, '')
.replace(/\{pathhref\}/g, 'http://localhost:8081/test/less/errors/')
.replace(/\{404status\}/g, ' (404)')
.replace(/\{node\}[\s\S]*\{\/node\}/g, '')
.replace(/\n$/, '')
.trim();
expect(actualErrorMsg).to.equal(errorTxt);
if (errorTxt == actualErrorMsg) {
actualErrorElement.style.display = 'none';
}
done();
})
.catch(function (err) {
done(err);
});
});
});
};
testErrorSheetConsole = function (sheet) {
it(sheet.id + ' should match an error', function (done) {
var lessHref = sheet.href,
id = sheet.id.replace(/^original-less:/, 'less-error-message:'),
errorHref = lessHref.replace(/.less$/, '.txt'),
errorFile = loadFile(errorHref),
actualErrorElement = document.getElementById(id),
actualErrorMsg = logMessages[logMessages.length - 1]
.replace(/\nStack Trace\n[\s\S]*/, '');
describe('the error', function () {
expect(actualErrorElement).to.be.null;
});
errorFile
.then(function (errorTxt) {
errorTxt
.replace(/\{path\}/g, '')
.replace(/\{pathrel\}/g, '')
.replace(/\{pathhref\}/g, 'http://localhost:8081/browser/less/')
.replace(/\{404status\}/g, ' (404)')
.replace(/\{node\}.*\{\/node\}/g, '')
.trim();
expect(actualErrorMsg).to.equal(errorTxt);
done();
});
});
};
loadFile = function (href) {
return new Promise(function (resolve, reject) {
var request = new XMLHttpRequest();
request.open('GET', href, true);
request.onreadystatechange = function () {
if (request.readyState == 4) {
resolve(request.responseText.replace(/\r/g, ''));
}
};
request.send(null);
});
};