d3/test/time/hour-test.js

240 строки
12 KiB
JavaScript

require("../env");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.time.hour");
suite.addBatch({
"hour": {
topic: function() {
return d3.time.hour;
},
"defaults to floor": function(interval) {
assert.strictEqual(interval, interval.floor);
},
"floor": {
topic: function(interval) {
return interval.floor;
},
"returns hours": function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23, 59)), local(2010, 11, 31, 23));
assert.deepEqual(floor(local(2011, 00, 01, 00, 00)), local(2011, 00, 01, 00));
assert.deepEqual(floor(local(2011, 00, 01, 00, 01)), local(2011, 00, 01, 00));
},
"observes start of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 02, 13, 08, 59)), utc(2011, 02, 13, 08));
assert.deepEqual(floor(utc(2011, 02, 13, 09, 00)), utc(2011, 02, 13, 09));
assert.deepEqual(floor(utc(2011, 02, 13, 09, 01)), utc(2011, 02, 13, 09));
assert.deepEqual(floor(utc(2011, 02, 13, 09, 59)), utc(2011, 02, 13, 09));
assert.deepEqual(floor(utc(2011, 02, 13, 10, 00)), utc(2011, 02, 13, 10));
assert.deepEqual(floor(utc(2011, 02, 13, 10, 01)), utc(2011, 02, 13, 10));
},
"observes end of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 10, 06, 07, 59)), utc(2011, 10, 06, 07));
assert.deepEqual(floor(utc(2011, 10, 06, 08, 00)), utc(2011, 10, 06, 08));
assert.deepEqual(floor(utc(2011, 10, 06, 08, 01)), utc(2011, 10, 06, 08));
assert.deepEqual(floor(utc(2011, 10, 06, 08, 59)), utc(2011, 10, 06, 08));
assert.deepEqual(floor(utc(2011, 10, 06, 09, 00)), utc(2011, 10, 06, 09));
assert.deepEqual(floor(utc(2011, 10, 06, 09, 01)), utc(2011, 10, 06, 09));
},
"NPT": {
"observes 15-minute offset": tz("Asia/Kathmandu", function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23, 59, 59)), utc(2010, 11, 31, 17, 15));
assert.deepEqual(floor(local(2011, 00, 01, 00, 00, 00)), utc(2010, 11, 31, 18, 15));
assert.deepEqual(floor(local(2011, 00, 01, 00, 00, 01)), utc(2010, 11, 31, 18, 15));
})
},
"IST": {
"observes 30-minute offset": tz("Asia/Calcutta", function(floor) {
assert.deepEqual(floor(local(2010, 11, 31, 23, 59, 59)), utc(2010, 11, 31, 17, 30));
assert.deepEqual(floor(local(2011, 00, 01, 00, 00, 00)), utc(2010, 11, 31, 18, 30));
assert.deepEqual(floor(local(2011, 00, 01, 00, 00, 01)), utc(2010, 11, 31, 18, 30));
})
}
},
"ceil": {
topic: function(interval) {
return interval.ceil;
},
"returns hours": function(ceil) {
assert.deepEqual(ceil(local(2010, 11, 31, 23, 59)), local(2011, 00, 01, 00));
assert.deepEqual(ceil(local(2011, 00, 01, 00, 00)), local(2011, 00, 01, 00));
assert.deepEqual(ceil(local(2011, 00, 01, 00, 01)), local(2011, 00, 01, 01));
},
"observes start of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 02, 13, 08, 59)), utc(2011, 02, 13, 09));
assert.deepEqual(ceil(utc(2011, 02, 13, 09, 00)), utc(2011, 02, 13, 09));
assert.deepEqual(ceil(utc(2011, 02, 13, 09, 01)), utc(2011, 02, 13, 10));
assert.deepEqual(ceil(utc(2011, 02, 13, 09, 59)), utc(2011, 02, 13, 10));
assert.deepEqual(ceil(utc(2011, 02, 13, 10, 00)), utc(2011, 02, 13, 10));
assert.deepEqual(ceil(utc(2011, 02, 13, 10, 01)), utc(2011, 02, 13, 11));
},
"observes end of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 10, 06, 07, 59)), utc(2011, 10, 06, 08));
assert.deepEqual(ceil(utc(2011, 10, 06, 08, 00)), utc(2011, 10, 06, 08));
assert.deepEqual(ceil(utc(2011, 10, 06, 08, 01)), utc(2011, 10, 06, 09));
assert.deepEqual(ceil(utc(2011, 10, 06, 08, 59)), utc(2011, 10, 06, 09));
assert.deepEqual(ceil(utc(2011, 10, 06, 09, 00)), utc(2011, 10, 06, 09));
assert.deepEqual(ceil(utc(2011, 10, 06, 09, 01)), utc(2011, 10, 06, 10));
},
"NPT": {
"observes 15-minute offset": tz("Asia/Kathmandu", function(ceil) {
assert.deepEqual(ceil(local(2010, 11, 31, 23, 59, 59)), utc(2010, 11, 31, 18, 15));
assert.deepEqual(ceil(local(2011, 00, 01, 00, 00, 00)), utc(2010, 11, 31, 18, 15));
assert.deepEqual(ceil(local(2011, 00, 01, 00, 00, 01)), utc(2010, 11, 31, 19, 15));
})
},
"IST": {
"observes 30-minute offset": tz("Asia/Calcutta", function(ceil) {
assert.deepEqual(ceil(local(2010, 11, 31, 23, 59, 59)), utc(2010, 11, 31, 18, 30));
assert.deepEqual(ceil(local(2011, 00, 01, 00, 00, 00)), utc(2010, 11, 31, 18, 30));
assert.deepEqual(ceil(local(2011, 00, 01, 00, 00, 01)), utc(2010, 11, 31, 19, 30));
})
}
},
"offset": {
topic: function(interval) {
return interval.offset;
},
"does not modify the passed-in date": function(offset) {
var date = local(2010, 11, 31, 23, 59, 59, 999);
offset(date, +1);
assert.deepEqual(date, local(2010, 11, 31, 23, 59, 59, 999));
},
"does not round the passed-in-date": function(offset) {
assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 999), +1), local(2011, 00, 01, 00, 59, 59, 999));
assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 456), -2), local(2010, 11, 31, 21, 59, 59, 456));
},
"allows negative offsets": function(offset) {
assert.deepEqual(offset(local(2010, 11, 31, 12), -1), local(2010, 11, 31, 11));
assert.deepEqual(offset(local(2011, 00, 01, 01), -2), local(2010, 11, 31, 23));
assert.deepEqual(offset(local(2011, 00, 01, 00), -1), local(2010, 11, 31, 23));
},
"allows positive offsets": function(offset) {
assert.deepEqual(offset(local(2010, 11, 31, 11), +1), local(2010, 11, 31, 12));
assert.deepEqual(offset(local(2010, 11, 31, 23), +2), local(2011, 00, 01, 01));
assert.deepEqual(offset(local(2010, 11, 31, 23), +1), local(2011, 00, 01, 00));
},
"allows zero offset": function(offset) {
assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 59, 999), 0), local(2010, 11, 31, 23, 59, 59, 999));
assert.deepEqual(offset(local(2010, 11, 31, 23, 59, 58, 000), 0), local(2010, 11, 31, 23, 59, 58, 000));
}
},
"UTC": {
topic: function(interval) {
return interval.utc;
},
"defaults to floor": function(interval) {
assert.strictEqual(interval, interval.floor);
},
"floor": {
topic: function(interval) {
return interval.floor;
},
"returns hours": function(floor) {
assert.deepEqual(floor(utc(2010, 11, 31, 23, 59)), utc(2010, 11, 31, 23));
assert.deepEqual(floor(utc(2011, 00, 01, 00, 00)), utc(2011, 00, 01, 00));
assert.deepEqual(floor(utc(2011, 00, 01, 00, 01)), utc(2011, 00, 01, 00));
},
"does not observe the start of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 02, 13, 08, 59)), utc(2011, 02, 13, 08));
assert.deepEqual(floor(utc(2011, 02, 13, 09, 00)), utc(2011, 02, 13, 09));
assert.deepEqual(floor(utc(2011, 02, 13, 09, 01)), utc(2011, 02, 13, 09));
assert.deepEqual(floor(utc(2011, 02, 13, 09, 59)), utc(2011, 02, 13, 09));
assert.deepEqual(floor(utc(2011, 02, 13, 10, 00)), utc(2011, 02, 13, 10));
assert.deepEqual(floor(utc(2011, 02, 13, 10, 01)), utc(2011, 02, 13, 10));
},
"does not observe the end of daylight savings time": function(floor) {
assert.deepEqual(floor(utc(2011, 10, 06, 07, 59)), utc(2011, 10, 06, 07));
assert.deepEqual(floor(utc(2011, 10, 06, 08, 00)), utc(2011, 10, 06, 08));
assert.deepEqual(floor(utc(2011, 10, 06, 08, 01)), utc(2011, 10, 06, 08));
assert.deepEqual(floor(utc(2011, 10, 06, 08, 59)), utc(2011, 10, 06, 08));
assert.deepEqual(floor(utc(2011, 10, 06, 09, 00)), utc(2011, 10, 06, 09));
assert.deepEqual(floor(utc(2011, 10, 06, 09, 01)), utc(2011, 10, 06, 09));
}
},
"ceil": {
topic: function(interval) {
return interval.ceil;
},
"returns hours": function(ceil) {
assert.deepEqual(ceil(utc(2010, 11, 31, 23, 59)), utc(2011, 00, 01, 00));
assert.deepEqual(ceil(utc(2011, 00, 01, 00, 00)), utc(2011, 00, 01, 00));
assert.deepEqual(ceil(utc(2011, 00, 01, 00, 01)), utc(2011, 00, 01, 01));
},
"does not observe the start of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 02, 13, 08, 59)), utc(2011, 02, 13, 09));
assert.deepEqual(ceil(utc(2011, 02, 13, 09, 00)), utc(2011, 02, 13, 09));
assert.deepEqual(ceil(utc(2011, 02, 13, 09, 01)), utc(2011, 02, 13, 10));
assert.deepEqual(ceil(utc(2011, 02, 13, 09, 59)), utc(2011, 02, 13, 10));
assert.deepEqual(ceil(utc(2011, 02, 13, 10, 00)), utc(2011, 02, 13, 10));
assert.deepEqual(ceil(utc(2011, 02, 13, 10, 01)), utc(2011, 02, 13, 11));
},
"does not observe the end of daylight savings time": function(ceil) {
assert.deepEqual(ceil(utc(2011, 10, 06, 07, 59)), utc(2011, 10, 06, 08));
assert.deepEqual(ceil(utc(2011, 10, 06, 08, 00)), utc(2011, 10, 06, 08));
assert.deepEqual(ceil(utc(2011, 10, 06, 08, 01)), utc(2011, 10, 06, 09));
assert.deepEqual(ceil(utc(2011, 10, 06, 08, 59)), utc(2011, 10, 06, 09));
assert.deepEqual(ceil(utc(2011, 10, 06, 09, 00)), utc(2011, 10, 06, 09));
assert.deepEqual(ceil(utc(2011, 10, 06, 09, 01)), utc(2011, 10, 06, 10));
}
},
"offset": {
topic: function(interval) {
return interval.offset;
},
"does not modify the passed-in date": function(offset) {
var date = utc(2010, 11, 31, 23, 59, 59, 999);
offset(date, +1);
assert.deepEqual(date, utc(2010, 11, 31, 23, 59, 59, 999));
},
"does not round the passed-in-date": function(offset) {
assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 999), +1), utc(2011, 00, 01, 00, 59, 59, 999));
assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 456), -2), utc(2010, 11, 31, 21, 59, 59, 456));
},
"allows negative offsets": function(offset) {
assert.deepEqual(offset(utc(2010, 11, 31, 12), -1), utc(2010, 11, 31, 11));
assert.deepEqual(offset(utc(2011, 00, 01, 01), -2), utc(2010, 11, 31, 23));
assert.deepEqual(offset(utc(2011, 00, 01, 00), -1), utc(2010, 11, 31, 23));
},
"allows positive offsets": function(offset) {
assert.deepEqual(offset(utc(2010, 11, 31, 11), +1), utc(2010, 11, 31, 12));
assert.deepEqual(offset(utc(2010, 11, 31, 23), +2), utc(2011, 00, 01, 01));
assert.deepEqual(offset(utc(2010, 11, 31, 23), +1), utc(2011, 00, 01, 00));
},
"allows zero offset": function(offset) {
assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 59, 999), 0), utc(2010, 11, 31, 23, 59, 59, 999));
assert.deepEqual(offset(utc(2010, 11, 31, 23, 59, 58, 000), 0), utc(2010, 11, 31, 23, 59, 58, 000));
}
}
}
}
});
function local(year, month, day, hours, minutes, seconds) {
return new Date(year, month, day, hours || 00, minutes || 00, seconds || 00);
}
function utc(year, month, day, hours, minutes, seconds) {
return new Date(Date.UTC(year, month, day, hours || 00, minutes || 00, seconds || 00));
}
function tz(tz, scope) {
return function() {
var o = process.env.TZ;
try {
process.env.TZ = tz;
new Date(0).toString(); // invalidate node's dst cache
new Date().toString();
scope.apply(this, arguments);
} finally {
process.env.TZ = o;
new Date(0).toString(); // invalidate node's dst cache
new Date().toString();
}
};
}
suite.export(module);