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Improve recurrence handling, remove restrictions #627

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merged 6 commits into from
Nov 4, 2024
Merged

Improve recurrence handling, remove restrictions #627

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7ea5662
Modified Constants.cs:
axunonb Oct 28, 2024
110febf
Don't convert dt to `SystsemLocal` in `Calendar.GetOccurrences(IDate…
axunonb Oct 28, 2024
661301b
Remove timeout handling and adjust related recurrence tests
axunonb Oct 28, 2024
47cf86d
Refactor test names and update assertion message
axunonb Oct 28, 2024
d3e90bc
Change tests to check for exact number of occurrences
axunonb Oct 29, 2024
c4c0eb0
Implemented changes from the code review
axunonb Nov 4, 2024
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2 changes: 1 addition & 1 deletion .github/workflows/coverage.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ jobs:
- name: Build
run: dotnet build --no-restore --configuration Release -p:nowarn=1591
- name: Test
run: dotnet test --no-build --configuration Release --verbosity quiet /p:AltCover=true /p:AltCoverXmlReport="coverage.xml" /p:AltCoverStrongNameKey="../IcalNetStrongnameKey.snk" /p:AltCoverAssemblyExcludeFilter="Ical.Net.Tests|NUnit3.TestAdapter|AltCover" /p:AltCoverAttributeFilter="ExcludeFromCodeCoverage" /p:AltCoverLineCover="false"
run: dotnet test --no-build --configuration Release --verbosity normal /p:AltCover=true /p:AltCoverXmlReport="coverage.xml" /p:AltCoverStrongNameKey="../IcalNetStrongnameKey.snk" /p:AltCoverAssemblyExcludeFilter="Ical.Net.Tests|NUnit3.TestAdapter|AltCover" /p:AltCoverAttributeFilter="ExcludeFromCodeCoverage" /p:AltCoverLineCover="false"

- name: Store coverage report as artifact
uses: actions/upload-artifact@v4
Expand Down
2 changes: 1 addition & 1 deletion .github/workflows/tests.yml
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Expand Up @@ -31,4 +31,4 @@ jobs:
- name: Build
run: dotnet build --no-restore --configuration Release -p:nowarn=1591
- name: Test
run: dotnet test --no-build --configuration Release --verbosity quiet
run: dotnet test --no-build --configuration Release --verbosity normal
208 changes: 71 additions & 137 deletions Ical.Net.Tests/RecurrenceTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,33 +30,41 @@ int eventIndex
)
{
var evt = cal.Events.Skip(eventIndex).First();
var rule = evt.RecurrenceRules.FirstOrDefault();
#pragma warning disable 0618
if (rule != null) rule.RestrictionType = RecurrenceRestrictionType.NoRestriction;
#pragma warning restore 0618
fromDate.AssociatedObject = cal;
toDate.AssociatedObject = cal;

var occurrences = evt.GetOccurrences(fromDate, toDate)
.OrderBy(o => o.Period.StartTime)
.ToList();

Assert.That(
occurrences,
Has.Count.EqualTo(dateTimes.Length),
"There should be exactly " + dateTimes.Length + " occurrences; there were " + occurrences.Count);

if (evt.RecurrenceRules.Count > 0)
Assert.Multiple(() =>
{
Assert.That(evt.RecurrenceRules, Has.Count.EqualTo(1));
}
Assert.That(
occurrences,
Has.Count.EqualTo(dateTimes.Length),
"There should have been " + dateTimes.Length + " occurrences; there were " + occurrences.Count);

for (var i = 0; i < dateTimes.Length; i++)
{
// Associate each incoming date/time with the calendar.
dateTimes[i].AssociatedObject = cal;
if (evt.RecurrenceRules.Count > 0)
{
Assert.That(evt.RecurrenceRules, Has.Count.EqualTo(1));
}

for (var i = 0; i < dateTimes.Length; i++)
{
// Associate each incoming date/time with the calendar.
dateTimes[i].AssociatedObject = cal;

var dt = dateTimes[i];
Assert.That(occurrences[i].Period.StartTime, Is.EqualTo(dt), "Event should occur on " + dt);
if (timeZones != null)
Assert.That(dt.TimeZoneName, Is.EqualTo(timeZones[i]), "Event " + dt + " should occur in the " + timeZones[i] + " timezone");
}
var dt = dateTimes[i];
Assert.That(occurrences[i].Period.StartTime, Is.EqualTo(dt), "Event should occur on " + dt);
if (timeZones != null)
Assert.That(dt.TimeZoneName, Is.EqualTo(timeZones[i]),
"Event " + dt + " should occur in the " + timeZones[i] + " timezone");
}
});
}

private void EventOccurrenceTest(
Expand Down Expand Up @@ -1867,134 +1875,55 @@ public void Bug1741093()
);
}

/// <summary>
/// Ensures that, by default, SECONDLY recurrence rules are not allowed.
/// </summary>
[Test, Category("Recurrence")]
public void Secondly1()
{
Assert.That(() =>
{
var iCal = Calendar.Load(IcsFiles.Secondly1);
_ = iCal.GetOccurrences(new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid), new CalDateTime(2007, 7, 21, 8, 0, 0, _tzid));
}, Throws.Exception.TypeOf<ArgumentException>(), "Evaluation engine should have failed.");
}

/// <summary>
/// Ensures that the proper behavior occurs when the evaluation
/// mode is set to adjust automatically for SECONDLY evaluation
/// </summary>
[Test, Category("Recurrence")]
public void Secondly1_1()
public void Secondly_DefinedNumberOfOccurrences_ShouldSucceed()
{
var iCal = Calendar.Load(IcsFiles.Secondly1);
iCal.RecurrenceEvaluationMode = RecurrenceEvaluationModeType.AdjustAutomatically;

EventOccurrenceTest(
iCal,
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 10, 1, _tzid), // End period is exclusive, not inclusive.
new[]
{
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 1, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 2, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 3, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 4, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 5, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 6, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 7, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 8, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 9, 0, _tzid),
new CalDateTime(2007, 6, 21, 8, 10, 0, _tzid)
},
null
);
}
var start = new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid);
var end = new CalDateTime(2007, 6, 21, 8, 1, 0, _tzid); // End period is exclusive, not inclusive.

/// <summary>
/// Ensures that if configured, MINUTELY recurrence rules are not allowed.
/// </summary>
[Test, Category("Recurrence")]
public void Minutely1()
{
Assert.That(() =>
var dateTimes = new List<IDateTime>();
for (var dt = start; dt.LessThan(end); dt = (CalDateTime) dt.AddSeconds(1))
{
var iCal = Calendar.Load(IcsFiles.Minutely1);
iCal.RecurrenceRestriction = RecurrenceRestrictionType.RestrictMinutely;
var occurrences = iCal.GetOccurrences(
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 7, 21, 8, 0, 0, _tzid));
}, Throws.Exception.TypeOf<ArgumentException>());
dateTimes.Add(new CalDateTime(dt));
}

EventOccurrenceTest(iCal, start, end, dateTimes.ToArray(), null);
}

/// <summary>
/// Ensures that the proper behavior occurs when the evaluation
/// mode is set to adjust automatically for MINUTELY evaluation
/// </summary>
[Test, Category("Recurrence")]
public void Minutely1_1()
public void Minutely_DefinedNumberOfOccurrences_ShouldSucceed()
{
var iCal = Calendar.Load(IcsFiles.Minutely1);
iCal.RecurrenceRestriction = RecurrenceRestrictionType.RestrictMinutely;
iCal.RecurrenceEvaluationMode = RecurrenceEvaluationModeType.AdjustAutomatically;

EventOccurrenceTest(
iCal,
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 12, 0, 1, _tzid), // End period is exclusive, not inclusive.
new[]
{
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 9, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 10, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 11, 0, 0, _tzid),
new CalDateTime(2007, 6, 21, 12, 0, 0, _tzid)
},
null
);
}
var start = new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid);
var end = new CalDateTime(2007, 6, 21, 12, 0, 1, _tzid); // End period is exclusive, not inclusive.

/// <summary>
/// Ensures that if configured, HOURLY recurrence rules are not allowed.
/// </summary>
[Test, Category("Recurrence")/*, ExpectedException(typeof(EvaluationEngineException))*/]
public void Hourly1()
{
Assert.That(() =>
var dateTimes = new List<IDateTime>();
for (var dt = start; dt.LessThan(end); dt = (CalDateTime)dt.AddMinutes(1))
{
var iCal = Calendar.Load(IcsFiles.Hourly1);
iCal.RecurrenceRestriction = RecurrenceRestrictionType.RestrictHourly;
_ = iCal.GetOccurrences(new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid), new CalDateTime(2007, 7, 21, 8, 0, 0, _tzid));
dateTimes.Add(new CalDateTime(dt));
}

}, Throws.Exception.TypeOf<ArgumentException>());
EventOccurrenceTest(iCal, start, end, dateTimes.ToArray(), null);
}

/// <summary>
/// Ensures that the proper behavior occurs when the evaluation
/// mode is set to adjust automatically for HOURLY evaluation
/// </summary>
[Test, Category("Recurrence")]
public void Hourly1_1()
public void Hourly_DefinedNumberOfOccurrences_ShouldSucceed()
{
var iCal = Calendar.Load(IcsFiles.Hourly1);
iCal.RecurrenceRestriction = RecurrenceRestrictionType.RestrictHourly;
iCal.RecurrenceEvaluationMode = RecurrenceEvaluationModeType.AdjustAutomatically;

EventOccurrenceTest(
iCal,
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 25, 8, 0, 1, _tzid), // End period is exclusive, not inclusive.
new[]
{
new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 22, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 23, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 24, 8, 0, 0, _tzid),
new CalDateTime(2007, 6, 25, 8, 0, 0, _tzid)
},
null
);
var start = new CalDateTime(2007, 6, 21, 8, 0, 0, _tzid);
var end = new CalDateTime(2007, 6, 25, 8, 0, 1, _tzid); // End period is exclusive, not inclusive.

var dateTimes = new List<IDateTime>();
for (var dt = start; dt.LessThan(end); dt = (CalDateTime)dt.AddHours(1))
{
dateTimes.Add(new CalDateTime(dt));
}

EventOccurrenceTest(iCal, start, end, dateTimes.ToArray(), null);
}

/// <summary>
Expand Down Expand Up @@ -2038,7 +1967,7 @@ public void YearlyInterval1()
}

/// <summary>
/// Ensures that "off-day" calcuation works correctly
/// Ensures that "off-day" calculation works correctly
/// </summary>
[Test, Category("Recurrence")]
public void DailyInterval1()
Expand Down Expand Up @@ -2841,10 +2770,10 @@ public void Evaluate1(string freq, int secsPerInterval, bool hasTime)

// This case (DTSTART of type DATE and FREQ=MINUTELY) is undefined in RFC 5545.
// ical.net handles the case by pretending DTSTART has the time set to midnight.
evt.RecurrenceRules.Add(new RecurrencePattern($"FREQ={freq};INTERVAL=10;COUNT=5")
{
RestrictionType = RecurrenceRestrictionType.NoRestriction,
});
evt.RecurrenceRules.Add(new RecurrencePattern($"FREQ={freq};INTERVAL=10;COUNT=5"));
#pragma warning disable 0618
evt.RecurrenceRules[0].RestrictionType = RecurrenceRestrictionType.NoRestriction;
#pragma warning restore 0618

var occurrences = evt.GetOccurrences(CalDateTime.Today.AddDays(-1), CalDateTime.Today.AddDays(100))
.OrderBy(x => x)
Expand All @@ -2868,8 +2797,10 @@ public void RecurrencePattern1()
{
// NOTE: evaluators are not generally meant to be used directly like this.
// However, this does make a good test to ensure they behave as they should.
RecurrencePattern pattern = new RecurrencePattern("FREQ=SECONDLY;INTERVAL=10");
var pattern = new RecurrencePattern("FREQ=SECONDLY;INTERVAL=10");
#pragma warning disable 0618
pattern.RestrictionType = RecurrenceRestrictionType.NoRestriction;
#pragma warning restore 0618

var us = new CultureInfo("en-US");

Expand Down Expand Up @@ -3177,10 +3108,14 @@ public void OccurrenceMustBeCompletelyContainedWithinSearchRange()
Assert.That(occurrences.Last().StartTime.Equals(lastExpected), Is.True);
}

[Test, Ignore("Turn on in v3")]
/// <summary>
/// Evaluate relevancy and validity of the request.
/// Find a solution for issue #120 or close forever
/// </summary>
[Test, Ignore("Turn on in v3", Until = "2024-12-31")]
public void EventsWithShareUidsShouldGenerateASingleRecurrenceSet()
{
//https://github.com/rianjs/ical.net/issues/120
//https://github.com/rianjs/ical.net/issues/120 dated Sep 5, 2016
const string ical =
@"BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
Expand Down Expand Up @@ -3757,7 +3692,9 @@ private static IEnumerable<RecurrenceTestCase> TestLibicalTestCasesSource

[TestCaseSource(nameof(TestLibicalTestCasesSource))]
public void TestLibicalTestCases(RecurrenceTestCase testCase)
=> ExecuteRecurrenceTestCase(testCase);
{
ExecuteRecurrenceTestCase(testCase);
}

private static IEnumerable<RecurrenceTestCase> TestFileBasedRecurrenceTestCaseSource
=> ParseTestCaseFile(IcsFiles.RecurrrenceTestCases);
Expand All @@ -3775,10 +3712,7 @@ public void ExecuteRecurrenceTestCase(RecurrenceTestCase testCase)

// Start at midnight, UTC time
evt.Start = testCase.DtStart;
evt.RecurrenceRules.Add(new RecurrencePattern(testCase.RRule)
{
RestrictionType = RecurrenceRestrictionType.NoRestriction,
});
evt.RecurrenceRules.Add(new RecurrencePattern(testCase.RRule));

var occurrences = evt.GetOccurrences(testCase.StartAt?.Value ?? DateTime.MinValue, DateTime.MaxValue)
.OrderBy(x => x)
Expand Down
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