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package reports
import (
"fmt"
"strings"
"testing"
"time"
)
func TestParseDateRange(t *testing.T) {
// Use a fixed time for testing
testTime := time.Date(2024, time.August, 15, 10, 30, 0, 0, time.UTC) // Thursday, August 15, 2024
tests := []struct {
name string
input string
wantErr bool
validate func(t *testing.T, dr DateRange)
}{
{
name: "this week",
input: "this week",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be Monday Aug 12 to Sunday Aug 18
expectedStart := time.Date(2024, time.August, 12, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2024, time.August, 18, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "this month",
input: "this month",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be Aug 1 to Aug 31
expectedStart := time.Date(2024, time.August, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2024, time.August, 31, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "month name - current month",
input: "august",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be August 2024 (current year since we're in August)
expectedStart := time.Date(2024, time.August, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2024, time.August, 31, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "month name - past month this year",
input: "july",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be July 2024 (current year since July already passed)
expectedStart := time.Date(2024, time.July, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2024, time.July, 31, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "month name - future month last year",
input: "december",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be December 2023 (last year since December hasn't come yet)
expectedStart := time.Date(2023, time.December, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2023, time.December, 31, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "case insensitive month name",
input: "FEBRUARY",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be February 2024 (current year since February already passed)
expectedStart := time.Date(2024, time.February, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2024, time.February, 29, 23, 59, 59, 999999999, time.UTC) // 2024 is a leap year
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "short month name",
input: "feb",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be February 2024
expectedStart := time.Date(2024, time.February, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2024, time.February, 29, 23, 59, 59, 999999999, time.UTC) // 2024 is a leap year
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "month year format",
input: "july 2023",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be July 2023
expectedStart := time.Date(2023, time.July, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2023, time.July, 31, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "short month year format",
input: "feb 2022",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be February 2022
expectedStart := time.Date(2022, time.February, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2022, time.February, 28, 23, 59, 59, 999999999, time.UTC) // 2022 is not a leap year
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "case insensitive month year",
input: "MARCH 2023",
wantErr: false,
validate: func(t *testing.T, dr DateRange) {
// Should be March 2023
expectedStart := time.Date(2023, time.March, 1, 0, 0, 0, 0, time.UTC)
expectedEnd := time.Date(2023, time.March, 31, 23, 59, 59, 999999999, time.UTC)
if !dr.Start.Equal(expectedStart) {
t.Errorf("Start = %v, want %v", dr.Start, expectedStart)
}
if !dr.End.Equal(expectedEnd) {
t.Errorf("End = %v, want %v", dr.End, expectedEnd)
}
},
},
{
name: "invalid month name",
input: "invalid",
wantErr: true,
},
{
name: "invalid month year format",
input: "july 23",
wantErr: true,
},
{
name: "invalid year",
input: "july abcd",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Create a custom ParseDateRange that uses our test time
testParseFunc := func(dateStr string) (DateRange, error) {
dateStr = strings.TrimSpace(dateStr)
// Check for predefined ranges (case-insensitive)
lowerDateStr := strings.ToLower(dateStr)
switch lowerDateStr {
case "last week":
return getLastWeek(testTime), nil
case "this week":
return getThisWeek(testTime), nil
case "last month":
return getLastMonth(testTime), nil
case "this month":
return getThisMonth(testTime), nil
}
// Check for month name patterns (case-insensitive)
if dateRange, err := parseMonthName(dateStr, testTime); err == nil {
return dateRange, nil
}
// Check for "month year" format
if dateRange, err := parseMonthYear(dateStr); err == nil {
return dateRange, nil
}
// Check for custom date range format: "YYYY-MM-DD to YYYY-MM-DD"
if strings.Contains(dateStr, " to ") {
return parseCustomDateRange(dateStr)
}
return DateRange{}, fmt.Errorf("unsupported date range: %s", dateStr)
}
got, err := testParseFunc(tt.input)
if (err != nil) != tt.wantErr {
t.Errorf("ParseDateRange() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !tt.wantErr && tt.validate != nil {
tt.validate(t, got)
}
})
}
}
|
