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105 lines
2.8 KiB
105 lines
2.8 KiB
var grunt = require('grunt');
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var path = require('path');
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module.exports = helper = {};
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// where are fixtures are
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helper.fixtures = path.join(__dirname, '..', 'fixtures');
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// If verbose flag set, display output
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helper.verboseLog = function() {};
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if (grunt.util._.indexOf(process.argv, '-v') !== -1) {
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helper.verboseLog = function() { console.log.apply(null, arguments); };
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}
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// helper for creating assertTasks for testing tasks in child processes
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helper.assertTask = function assertTask(task, options) {
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var spawn = require('child_process').spawn;
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task = task || 'default';
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options = options || {};
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// get next/kill process trigger
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var trigger = options.trigger || '.*(Waiting).*';
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delete options.trigger;
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// CWD to spawn
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var cwd = options.cwd || process.cwd();
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delete options.cwd;
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// Use grunt this process uses
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var spawnOptions = [process.argv[1]];
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// Turn options into spawn options
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grunt.util._.each(options, function(val, key) {
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spawnOptions.push('--' + key);
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spawnOptions.push(val);
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});
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// Add the tasks to run
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spawnOptions = spawnOptions.concat(task);
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// Return an interface for testing this task
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function returnFunc(runs, done) {
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// Spawn the node this process uses
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var spawnGrunt = spawn(process.argv[0], spawnOptions, {cwd:cwd});
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var out = '';
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if (!grunt.util._.isArray(runs)) {
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runs = [runs];
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}
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// Append a last function to kill spawnGrunt
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runs.push(function() {
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spawnGrunt.kill('SIGINT');
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});
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// After watch starts waiting, run our commands then exit
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spawnGrunt.stdout.on('data', function(data) {
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data = grunt.log.uncolor(String(data));
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out += data;
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// If we should run the next function
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var shouldRun = true;
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// If our trigger has been found
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if (trigger !== false) {
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shouldRun = (new RegExp(trigger, 'gm')).test(data);
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}
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// Run the function
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if (shouldRun) {
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setTimeout(function() {
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var run = runs.shift();
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if (typeof run === 'function') { run(); }
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}, 500);
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}
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});
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// Throw errors for better testing
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spawnGrunt.stderr.on('data', function(data) {
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throw new Error(data);
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});
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// On process exit return what has been outputted
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spawnGrunt.on('exit', function() {
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done(out);
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});
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}
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returnFunc.options = options;
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return returnFunc;
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};
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// clean up files within fixtures
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helper.cleanUp = function cleanUp(files) {
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if (typeof files === 'string') files = [files];
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files.forEach(function(filepath) {
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filepath = path.join(helper.fixtures, filepath);
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if (grunt.file.exists(filepath)) {
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grunt.file.delete(filepath);
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}
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});
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};
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// Helper for testing cross platform
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helper.unixify = function(str) {
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str = grunt.util.normalizelf(str);
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return str.replace(/\\/g, '/');
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};
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