54 lines
1.6 KiB
Nim
54 lines
1.6 KiB
Nim
import std/[times, unittest]
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import fiber_orm/util
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proc utcDateTime(nanosecond: NanosecondRange): DateTime =
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dateTime(
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2026, mAug, 26, 14, 32, 10, nanosecond,
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utc())
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suite "PostgreSQL DateTime conversion":
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test "formats DateTime values with microsecond precision":
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check dbFormat(utcDateTime(123_457_000)) ==
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"2026-08-26T14:32:10.123457Z"
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test "parses whole-second, millisecond, and microsecond values":
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let cases = [
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("2026-08-26 14:32:10+00", 0),
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("2026-08-26 14:32:10.123+00", 123_000_000),
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("2026-08-26 14:32:10.9007+00", 900_700_000),
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("2026-08-26 14:32:10.12345+00", 123_450_000),
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("2026-08-26 14:32:10.123457+00", 123_457_000),
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]
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for (value, expectedNanosecond) in cases:
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let parsed = parsePGDatetime(value)
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check parsed.nanosecond == expectedNanosecond
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check parsed.utc.format("yyyy-MM-dd'T'HH:mm:ss") ==
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"2026-08-26T14:32:10"
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test "preserves supported separators and timezone representations":
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let timezoneCases = [
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"2026-08-26 14:32:10+00",
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"2026-08-26T14:32:10+00",
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"2026-08-26T14:32:10+00:00",
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"2026-08-26 14:32:10.123+00",
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"2026-08-26T14:32:10.123457+00:00",
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"2026-08-26T14:32:10.123457Z",
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]
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for value in timezoneCases:
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check parsePGDatetime(value).utc.format("yyyy-MM-dd'T'HH:mm:ss") ==
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"2026-08-26T14:32:10"
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let localCases = [
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"2026-08-26 14:32:10",
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"2026-08-26T14:32:10",
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"2026-08-26 14:32:10.1",
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"2026-08-26T14:32:10.12",
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]
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for value in localCases:
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check parsePGDatetime(value).format("yyyy-MM-dd'T'HH:mm:ss") ==
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"2026-08-26T14:32:10"
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