gulp-sass/test/main.js
2015-03-24 04:41:16 -05:00

148 lines
4 KiB
JavaScript

var should = require("should");
var gutil = require("gulp-util");
var path = require("path");
var fs = require("fs");
var sass = require("../index");
var assert = require('assert');
function createVinyl(filename, contents) {
var base = path.join(__dirname, "scss");
var filePath = path.join(base, filename);
return new gutil.File({
cwd: __dirname,
base: base,
path: filePath,
contents: contents || fs.readFileSync(filePath)
});
}
describe("gulp-sass", function() {
it("should pass file when it isNull()", function(done) {
var stream = sass();
var emptyFile = {
isNull: function () { return true; }
};
stream.on('data', function(data) {
data.should.equal(emptyFile);
done();
});
stream.write(emptyFile);
});
it('should emit error when file isStream()', function (done) {
var stream = sass();
var streamFile = {
isNull: function () { return false; },
isStream: function () { return true; }
};
stream.on('error', function(err) {
err.message.should.equal('Streaming not supported');
done();
});
stream.write(streamFile);
});
it("should compile a single sass file", function(done) {
var sassFile = createVinyl("mixins.scss");
var stream = sass();
stream.on("data", function(cssFile) {
should.exist(cssFile);
should.exist(cssFile.path);
should.exist(cssFile.relative);
should.exist(cssFile.contents);
String(cssFile.contents).should.equal(
fs.readFileSync(path.join(__dirname, 'expected/mixins.css'), 'utf8')
);
done();
});
stream.write(sassFile);
});
it("should compile multiple sass files", function(done) {
var files = [
createVinyl('mixins.scss'),
createVinyl('variables.scss')
];
var stream = sass();
var mustSee = files.length;
stream.on("data", function(cssFile) {
should.exist(cssFile);
should.exist(cssFile.path);
should.exist(cssFile.relative);
should.exist(cssFile.contents);
var expectedPath = 'expected/mixins.css';
if (cssFile.path.indexOf("variables") !== -1) {
expectedPath = 'expected/variables.css';
}
String(cssFile.contents).should.equal(
fs.readFileSync(path.join(__dirname, expectedPath), 'utf8')
);
mustSee--;
if (mustSee <= 0) {
done();
}
});
files.forEach(function (file) {
stream.write(file);
});
});
it("should compile files with partials in another folder", function(done) {
var sassFile = createVinyl("inheritance.scss");
var stream = sass();
stream.on("data", function(cssFile) {
should.exist(cssFile);
should.exist(cssFile.path);
should.exist(cssFile.relative);
should.exist(cssFile.contents);
String(cssFile.contents).should.equal(
fs.readFileSync(path.join(__dirname, 'expected/inheritance.css'), 'utf8')
);
done();
});
stream.write(sassFile);
});
it("should handle sass errors", function(done) {
var errorFile = createVinyl("error.scss");
var stream = sass();
stream.on("error", function(err) {
err.message.indexOf('property "font" must be followed by a \':\'').should.equal(0);
done();
});
stream.write(errorFile);
});
it("should work with gulp-sourcemaps", function(done) {
var sassFile = createVinyl("inheritance.scss");
// Expected sources are relative to file.base
var expectedSources = [
'includes/_cats.scss',
'inheritance.scss'
];
sassFile.sourceMap = '{' +
'"version": 3,' +
'"file": "scss/inheritance.scss",' +
'"names": [],' +
'"mappings": "",' +
'"sources": [ "scss/inheritance.scss" ],' +
'"sourcesContent": [ "@import includes/cats;" ]' +
'}';
var stream = sass();
stream.on("data", function(cssFile) {
should.exist(cssFile.sourceMap);
assert.deepEqual(cssFile.sourceMap.sources, expectedSources);
done();
});
stream.write(sassFile);
});
});