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Make it easier to debug sanity checks
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@kewisch
kewisch committed May 5, 2024
1 parent b7fd027 commit b0ad44f
Showing 1 changed file with 115 additions and 110 deletions.
225 changes: 115 additions & 110 deletions test/timezone_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -41,124 +41,129 @@ suite('timezone', function() {
return (seconds / 3600);
}

let sanityChecks = [
{
// just before US DST
time: { year: 2012, month: 3, day: 11, hour: 1, minute: 59 },
offsets: {
'America/Los_Angeles': -8,
'America/New_York': -5,
'America/Denver': -7,
'America/Atikokan': -5, // single tz
'UTC': 0,
'floating': 0
}
},

{
// just after US DST
time: { year: 2012, month: 3, day: 11, hour: 2 },
offsets: {
'America/Los_Angeles': -7,
'America/Denver': -6,
'America/New_York': -4,
'America/Atikokan': -5,
'UTC': 0,
'floating': 0
}
},
function sanityCheckSuite(options) {
let runner = options.only ? suite.only : suite;
let title = 'time: ' + JSON.stringify(options.time);

{
time: { year: 2004, month: 10, day: 31, hour: 0, minute: 59, second: 59 },
offsets: {
'America/Denver': -6
runner(title, function() {
for (let tzid in options.offsets) {
timezoneTest(tzid, tzid + " offset " + options.offsets[tzid], function(testTzid) {
assert.equal(
utcHours(options.time),
options.offsets[testTzid]
);
}.bind(this, tzid));
}
},
});
}
sanityCheckSuite.only = function(options) {
options.only = true;
sanityCheckSuite(options);
};


// just before US DST
sanityCheckSuite({
time: { year: 2012, month: 3, day: 11, hour: 1, minute: 59 },
offsets: {
'America/Los_Angeles': -8,
'America/New_York': -5,
'America/Denver': -7,
'America/Atikokan': -5, // single tz
'UTC': 0,
'floating': 0
}
});

{
time: { year: 2004, month: 10, day: 31, hour: 1 },
offsets: {
'America/Denver': -7
}
},
// just after US DST
sanityCheckSuite({
time: { year: 2012, month: 3, day: 11, hour: 2 },
offsets: {
'America/Los_Angeles': -7,
'America/Denver': -6,
'America/New_York': -4,
'America/Atikokan': -5,
'UTC': 0,
'floating': 0
}
});

sanityCheckSuite({
time: { year: 2004, month: 10, day: 31, hour: 0, minute: 59, second: 59 },
offsets: {
'America/Denver': -6
}
});

// Edge case timezone that defines an RDATE with VALUE=DATE
{
// just before DST
time: { year: 1980, month: 1, day: 1, hour: 0, minute: 59 },
offsets: {
'Makebelieve/RDATE_test': -4,
'Makebelieve/RDATE_utc_test': -5
}
},

{
// just after DST
time: { year: 1980, month: 1, day: 1, hour: 1 },
offsets: {
'Makebelieve/RDATE_test': -5,
'Makebelieve/RDATE_utc_test': -5
}
},

// Edge case where RDATE is defined in UTC
{
// just before DST
time: { year: 1990, month: 1, day: 1, hour: 0, minute: 59 },
offsets: {
'Makebelieve/RDATE_test': -4,
'Makebelieve/RDATE_utc_test': -4
}
},

{
// just after DST
time: { year: 1990, month: 1, day: 1, hour: 2 },
offsets: {
'Makebelieve/RDATE_test': -5,
'Makebelieve/RDATE_utc_test': -5
}
},

// Edge case timezone where an RRULE with UNTIL in UTC is specified
{
// Just before DST
time: { year: 1975, month: 1, day: 1, hour: 1, minute: 0, second: 0 },
offsets: {
'Makebelieve/RRULE_UNTIL_test': -5
}
},
{
// Just after DST
time: { year: 1975, month: 1, day: 1, hour: 3, minute: 0, second: 0 },
offsets: {
'Makebelieve/RRULE_UNTIL_test': -4
}
},
{
// After the RRULE ends
time: { year: 1985, month: 1, day: 1, hour: 3, minute: 0, second: 0 },
offsets: {
'Makebelieve/RRULE_UNTIL_test': -4
}
sanityCheckSuite({
time: { year: 2004, month: 10, day: 31, hour: 1 },
offsets: {
'America/Denver': -7
}
];
});

// simple format checks
sanityChecks.forEach(function(item) {
let title = 'time: ' + JSON.stringify(item.time);

suite(title, function() {
for (let tzid in item.offsets) {
timezoneTest(tzid, tzid + " offset " + item.offsets[tzid], function(testTzid) {
assert.equal(
utcHours(item.time),
item.offsets[testTzid]
);
}.bind(this, tzid));
}
});
// Edge case timezone that defines an RDATE with VALUE=DATE
sanityCheckSuite({
// just before DST
time: { year: 1980, month: 1, day: 1, hour: 0, minute: 59 },
offsets: {
'Makebelieve/RDATE_test': -4,
'Makebelieve/RDATE_utc_test': -5
}
});

sanityCheckSuite({
// just after DST
time: { year: 1980, month: 1, day: 1, hour: 1 },
offsets: {
'Makebelieve/RDATE_test': -5,
'Makebelieve/RDATE_utc_test': -5
}
});

// Edge case where RDATE is defined in UTC
sanityCheckSuite({
// just before DST
time: { year: 1990, month: 1, day: 1, hour: 0, minute: 59 },
offsets: {
'Makebelieve/RDATE_test': -4,
'Makebelieve/RDATE_utc_test': -4
}
});

sanityCheckSuite({
// just after DST
time: { year: 1990, month: 1, day: 1, hour: 2 },
offsets: {
'Makebelieve/RDATE_test': -5,
'Makebelieve/RDATE_utc_test': -5
}
});

// Edge case timezone where an RRULE with UNTIL in UTC is specified
sanityCheckSuite({
// Just before DST
time: { year: 1975, month: 1, day: 1, hour: 1, minute: 0, second: 0 },
offsets: {
'Makebelieve/RRULE_UNTIL_test': -5
}
});

sanityCheckSuite({
// Just after DST
time: { year: 1975, month: 1, day: 1, hour: 3, minute: 0, second: 0 },
offsets: {
'Makebelieve/RRULE_UNTIL_test': -4
}
});

sanityCheckSuite({
// After the RRULE ends
time: { year: 1985, month: 1, day: 1, hour: 3, minute: 0, second: 0 },
offsets: {
'Makebelieve/RRULE_UNTIL_test': -4
}
});

timezoneTest('America/Los_Angeles', '#expandedUntilYear', function() {
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