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gulpfile.js
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/**
* @license
* Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
*
* This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt
* The complete set of authors may be found at polymer.github.io/AUTHORS.txt
* The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt
* Code distributed by Google as part of the polymer project is also subject to
* an additional IP rights grant found at polymer.github.io/PATENTS.txt
*/
'use strict';
var coverage = require('gulp-coverage');
var coveralls = require('gulp-coveralls');
var eventStream = require('event-stream');
var gulp = require('gulp');
var jshint = require('gulp-jshint');
var lazypipe = require('lazypipe');
var mocha = require('gulp-mocha');
var notify = require('gulp-notify');
var path = require('path');
var plumber = require('gulp-plumber');
var watch = require('gulp-watch');
var ROOT = __dirname;
var LIB_ROOT = path.join(ROOT, 'lib');
var TEST_ROOT = path.join(ROOT, 'test');
gulp.task('default', ['watch']);
gulp.task('watch', function() {
var config = {
glob: '{lib,test}/**/*.js',
emitOnGlob: false,
gaze: {debounceDelay: 10},
};
return watch(config, function(files) {
files
.pipe(plumber({errorHandler: notify.onError('<%= error.message %>')}))
.pipe(jshintFlow())
.pipe(eventStream.map(testForFile))
.pipe(mocha({reporter: 'dot'}))
});
});
gulp.task('test', ['test:style', 'test:unit']);
gulp.task('test:style', function() {
return gulp.src('{lib,test}/**/*.js').pipe(jshintFlow());
});
gulp.task('test:unit', function() {
return gulp.src('test/**/*.js')
.pipe(coverage.instrument({pattern: ['lib/**/*.js']}))
.pipe(mocha({reporter: 'spec'}))
.pipe(coverage.gather())
.pipe(coverage.format({outFile: 'coverage.html'}))
.pipe(gulp.dest('.'))
.pipe(coverage.enforce({
statements: 95,
blocks: 80, // web support drops us :(
lines: 95,
}));
});
// Flows
var jshintFlow = lazypipe()
.pipe(jshint)
.pipe(jshint.reporter, 'jshint-stylish')
.pipe(jshint.reporter, 'fail');
// Transformation
function testForFile(file, callback) {
if (file.path.indexOf(LIB_ROOT) !== 0) return callback(null, file);
var testPath = path.join(TEST_ROOT, file.path.substr(LIB_ROOT.length));
gulp.src(testPath)
.on('data', callback.bind(null, null))
.on('error', callback);
}