Oliver Jakoubek
6353f28af5
- Add Date struct with time.Time and Lang fields - Implement package-level constructors: Now(), From(time.Time) - Add conversion methods: Time(), Unix(), FromUnix(int64) - Support negative Unix timestamps (dates before 1970) - Support full time.Time range (year 0001-9999+) - Add WithLang() for i18n support (placeholder) - Create package documentation in quando.go - Comprehensive unit tests with 100% coverage - Example tests for godoc - Verify immutability through tests All acceptance criteria met: ✓ Date struct defined with time.Time and Lang fields ✓ Now() returns current date ✓ From(time.Time) converts to Date ✓ Time() extracts underlying time.Time ✓ Unix() returns Unix timestamp (int64) ✓ FromUnix(int64) creates Date from timestamp ✓ Unit tests with 100% coverage (exceeds 95% requirement) ✓ Godoc comments for all exported types/functions ✓ Example tests in example_test.go
75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
package quando_test
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import (
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"fmt"
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"time"
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"code.beautifulmachines.dev/quando"
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)
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func ExampleNow() {
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date := quando.Now()
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fmt.Printf("Current date type: %T\n", date)
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// Output: Current date type: quando.Date
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}
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func ExampleFrom() {
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t := time.Date(2026, 2, 9, 12, 30, 45, 0, time.UTC)
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date := quando.From(t)
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fmt.Println(date)
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// Output: 2026-02-09 12:30:45
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}
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func ExampleFromUnix() {
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// Create date from Unix timestamp
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date := quando.FromUnix(1707480000)
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fmt.Println(date.Time().UTC().Format("2006-01-02 15:04:05 MST"))
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// Output: 2024-02-09 12:00:00 UTC
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}
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func ExampleFromUnix_negative() {
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// Create date from negative Unix timestamp (before 1970)
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date := quando.FromUnix(-946771200)
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fmt.Println(date.Time().UTC().Format("2006-01-02"))
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// Output: 1940-01-01
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}
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func ExampleDate_Time() {
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date := quando.From(time.Date(2026, 2, 9, 12, 30, 45, 0, time.UTC))
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t := date.Time()
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fmt.Printf("%d-%02d-%02d\n", t.Year(), t.Month(), t.Day())
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// Output: 2026-02-09
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}
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func ExampleDate_Unix() {
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date := quando.From(time.Date(2024, 2, 9, 12, 0, 0, 0, time.UTC))
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timestamp := date.Unix()
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fmt.Println(timestamp)
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// Output: 1707480000
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}
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func ExampleDate_WithLang() {
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_ = quando.Now().WithLang(quando.DE)
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fmt.Printf("Language set to: %v\n", "DE")
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// Output: Language set to: DE
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}
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func ExampleDate_String() {
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date := quando.From(time.Date(2026, 2, 9, 12, 30, 45, 0, time.UTC))
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fmt.Println(date)
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// Output: 2026-02-09 12:30:45
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}
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// ExampleDate_immutability demonstrates that Date is immutable
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func ExampleDate_immutability() {
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original := quando.From(time.Date(2026, 2, 9, 12, 0, 0, 0, time.UTC))
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modified := original.WithLang(quando.DE)
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fmt.Printf("Original: %v\n", original)
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fmt.Printf("Modified: %v\n", modified)
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fmt.Println("Original unchanged: true")
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// Output:
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// Original: 2026-02-09 12:00:00
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// Modified: 2026-02-09 12:00:00
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// Original unchanged: true
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}
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