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package handlers
import (
"testing"
"time"
"task-dashboard/internal/models"
)
func multiDayEvent(startISO, endISO string) models.TimelineItem {
start, _ := time.Parse(time.RFC3339, startISO)
end, _ := time.Parse(time.RFC3339, endISO)
return models.TimelineItem{
ID: "evt-1",
Title: "Offsite",
Type: models.TimelineItemTypeEvent,
Time: start,
EndTime: &end,
}
}
func TestIsMultiDayEvent_SameDayTimedEvent_False(t *testing.T) {
item := multiDayEvent("2026-07-13T10:00:00Z", "2026-07-13T11:00:00Z")
if isMultiDayEvent(item) {
t.Error("expected same-day timed event to not be multi-day")
}
}
func TestIsMultiDayEvent_SpansMultipleDays_True(t *testing.T) {
item := multiDayEvent("2026-07-13T17:35:00Z", "2026-07-30T22:30:00Z")
if !isMultiDayEvent(item) {
t.Error("expected event spanning multiple days to be multi-day")
}
}
func TestIsMultiDayEvent_NonEventType_AlwaysFalse(t *testing.T) {
start, _ := time.Parse(time.RFC3339, "2026-07-13T10:00:00Z")
end, _ := time.Parse(time.RFC3339, "2026-07-30T22:30:00Z")
item := models.TimelineItem{ID: "t1", Type: models.TimelineItemTypeTask, Time: start, EndTime: &end}
if isMultiDayEvent(item) {
t.Error("expected non-event type to never be considered multi-day, regardless of span")
}
}
func TestIsMultiDayEvent_NoEndTime_False(t *testing.T) {
start, _ := time.Parse(time.RFC3339, "2026-07-13T10:00:00Z")
item := models.TimelineItem{ID: "e1", Type: models.TimelineItemTypeEvent, Time: start}
if isMultiDayEvent(item) {
t.Error("expected event with nil EndTime to not be multi-day")
}
}
func TestMultiDayVariant_StartDay_ReturnsStarts(t *testing.T) {
item := multiDayEvent("2026-07-13T17:35:00Z", "2026-07-30T22:30:00Z")
renderDay, _ := time.Parse(time.RFC3339, "2026-07-13T00:00:00Z")
if got := multiDayVariant(item, renderDay); got != "starts" {
t.Errorf("variant = %q, want %q", got, "starts")
}
}
func TestMultiDayVariant_EndDay_ReturnsEnds(t *testing.T) {
item := multiDayEvent("2026-07-13T17:35:00Z", "2026-07-30T22:30:00Z")
renderDay, _ := time.Parse(time.RFC3339, "2026-07-30T00:00:00Z")
if got := multiDayVariant(item, renderDay); got != "ends" {
t.Errorf("variant = %q, want %q", got, "ends")
}
}
func TestMultiDayVariant_MiddleDay_ReturnsSpans(t *testing.T) {
item := multiDayEvent("2026-07-13T17:35:00Z", "2026-07-30T22:30:00Z")
renderDay, _ := time.Parse(time.RFC3339, "2026-07-20T00:00:00Z")
if got := multiDayVariant(item, renderDay); got != "spans" {
t.Errorf("variant = %q, want %q", got, "spans")
}
}
func TestMultiDayVariant_DayOutsideSpan_ReturnsEmpty(t *testing.T) {
item := multiDayEvent("2026-07-13T17:35:00Z", "2026-07-30T22:30:00Z")
renderDay, _ := time.Parse(time.RFC3339, "2026-08-01T00:00:00Z")
if got := multiDayVariant(item, renderDay); got != "" {
t.Errorf("variant = %q, want empty", got)
}
}
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