1 files changed, 70 insertions, 0 deletions
diff --git a/library/moment/tasks/zones.js b/library/moment/tasks/zones.js
new file mode 100644
index 000000000..7aa88b1f6
--- /dev/null
+++ b/library/moment/tasks/zones.js
@@ -0,0 +1,70 @@
+var fs = require('fs');
+
+
+module.exports = function (grunt) {
+    var ZONE_TAB = '/usr/share/zoneinfo/zone.tab';
+
+    grunt.registerTask('zones', 'Run the unit tests in different timezones.', function () {
+        var done = this.async();
+
+        getAllTimezones(function (err, zones) {
+            if (err != null) {
+                throw err;
+            }
+            (function iterator(i) {
+                if (i >= zones.length) {
+                    return done();
+                }
+                runTestsInZone(zones[i], function (err) {
+                    if (err != null) {
+                        throw err;
+                    }
+                    iterator(i + 1);
+                });
+            }(0));
+        });
+    });
+
+    function getAllTimezones (callback) {
+        fs.readFile(ZONE_TAB, 'ascii', function (err, content) {
+            if (err != null) {
+                callback(err);
+            }
+            callback(null, content.split(/\r\n|\r|\n/)
+                // remove empty and commented lines
+                .filter(function (line) {
+                    return line && !/^#/.test(line);
+                })
+                // country code TAB coordinates TAB timezone
+                .map(function (line) {
+                    return line.split('\t')[2];
+                }));
+        });
+    }
+
+    function runTestsInZone (zone, next) {
+        grunt.log.ok('Running tests in zone ' + zone);
+        grunt.util.spawn({
+            cmd: 'grunt',
+            opts: {
+                env: {
+                    'PATH': process.env.PATH,
+                    'TZ': zone
+                }
+            },
+            args: ['--no-color', 'nodeunit']
+        }, function (err, result, code) {
+            if (code !== 0) {
+                grunt.log.error(result.stdout.split(/\r\n|\r|\n/)
+                    .filter(function (line) {
+                        return /^(>>|Warning:|$)/.test(line);
+                    })
+                    .map(function (line) {
+                        return (line.substr(0, 3) === '>> ' ? line.substr(3) : line);
+                    })
+                    .join('\n'));
+            }
+            next();
+        });
+    }
+};