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fix(sqlite): tag per-migration database backups with version and prevent collisions

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This commit is contained in:
Tyagiquamar
2026-09-18 21:31:00 +05:30
parent 803fbb2ea2
commit b74ded3a9c
5 changed files with 298 additions and 65 deletions
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server/lib/backupFileName.test.ts
+42 -5
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@@ -1,4 +1,4 @@
import { formatBackupTimestamp } from "./backupFileName";
import { formatBackupFileName, formatBackupTimestamp } from "./backupFileName";
import { assertEquals } from "@test/assert";
// Local-time constructors are used throughout, matching formatBackupTimestamp,
@@ -29,7 +29,9 @@ function testMonthIsOneIndexed() {
}
{
const result = formatBackupTimestamp(new Date(2026, 11, 31, 23, 59, 59));
const result = formatBackupTimestamp(
new Date(2026, 11, 31, 23, 59, 59)
);
assertEquals(
result,
"2026-12-31_23-59-59",
@@ -73,9 +75,7 @@ function testNamesSortChronologically() {
new Date(2026, 11, 31, 23, 59, 59)
];
const sorted = taken
.map((date) => formatBackupTimestamp(date))
.sort();
const sorted = taken.map((date) => formatBackupTimestamp(date)).sort();
assertEquals(
sorted.join(","),
@@ -89,11 +89,48 @@ function testNamesSortChronologically() {
);
}
function testFormatBackupFileName() {
console.log("Running backup file name formatting tests...");
const date = new Date(2026, 8, 12, 20, 35, 56);
// With semver version string without leading 'v'
assertEquals(
formatBackupFileName("1.22.0", date),
"db_2026-09-12_20-35-56_v1.22.0.sqlite",
"Filename must include timestamp and prefixed version tag"
);
// With version string already containing 'v'
assertEquals(
formatBackupFileName("v1.22.0", date),
"db_2026-09-12_20-35-56_v1.22.0.sqlite",
"Filename must not duplicate 'v' prefix if already present"
);
// Without version (fallback/default)
assertEquals(
formatBackupFileName(undefined, date),
"db_2026-09-12_20-35-56.sqlite",
"Filename without version must match default timestamped format"
);
// Distinct versions within the exact same second do not collide
const sameSecondFile1 = formatBackupFileName("1.21.0", date);
const sameSecondFile2 = formatBackupFileName("1.22.0", date);
if (sameSecondFile1 === sameSecondFile2) {
throw new Error(
"Backup file names for different versions in the same second must not collide"
);
}
}
// Run all tests
try {
testMonthIsOneIndexed();
testEveryFieldIsZeroPadded();
testNamesSortChronologically();
testFormatBackupFileName();
console.log("All tests passed successfully!");
} catch (error) {
console.error("Test failed:", error);