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test(calculate): verify streak formulas for multiple weeks gaps timeline (Variation 3) (#1489) #1906

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Merged
JhaSourav07 merged 2 commits into from
May 30, 2026
+66 −0
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test(calculate): verify streak formulas for multiple weeks gaps timeline (Variation 3) (#1489) #1906

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test(calculate): verify streak formulas for multiple weeks gaps timel…
boss477 May 30, 2026
69e3c83
Merge remote-tracking branch 'upstream/main' into fix/issue-1489
boss477 May 30, 2026
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66 changes: 66 additions & 0 deletions lib/calculate.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -517,6 +517,72 @@ describe('calculateStreak', () => {
expect(result.currentStreak).toBe(15);
expect(result.longestStreak).toBe(15);
});

it('verify streak formulas for multiple weeks gaps timeline (Variation 3)', () => {
// Streak 1: 5 days
// Gap 1: 14 days (2 weeks of zeros)
// Streak 2: 10 days (longest)
// Gap 2: 21 days (3 weeks of zeros)
// Streak 3: 3 days (current) ending on the last day
const calendar = buildCalendar([
1,
1,
1,
1,
1, // Streak 1 (5 days)
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0, // Gap 1 (14 days)
1,
1,
1,
1,
1,
1,
1,
1,
1,
1, // Streak 2 (10 days)
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0, // Gap 2 (21 days)
1,
1,
1, // Streak 3 (3 days - ending on last day)
]);
const result = calculateStreak(calendar);
expect(result.longestStreak).toBe(10);
expect(result.currentStreak).toBe(3);
});
});

it('handles massive single-day commit spike timeline', () => {
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