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package sunrisesunset
import (
"testing"
"time"
)
func TestGetSunriseSunset(t *testing.T) {
date := time.Date(2017, 3, 23, 0, 0, 0, 0, time.UTC)
// Test invalid parameters
// Table tests
var invalidParameters = []struct {
latitude float64
longitude float64
utcOffset float64
date time.Time
expectedError string
}{
{ -95.0, -46.704082, -3.0, date, "Latitude invalid"},
{ 100.0, -46.704082, -3.0, date, "Latitude invalid"},
{-23.545570, -185.0, -3.0, date, "Longitude invalid"},
{-23.545570, 190.0, -3.0, date, "Longitude invalid"},
{-23.545570, -46.704082, -15.0, date, "UTC offset invalid"},
{-23.545570, -46.704082, 18.0, date, "UTC offset invalid"},
{-23.545570, -46.704082, -3.0, time.Date(1000, 1, 1, 0, 0, 0, 0, time.UTC), "Date invalid"},
{-23.545570, -46.704082, -3.0, time.Date(3000, 1, 1, 0, 0, 0, 0, time.UTC), "Date invalid"},
}
// Test with all values in the table
for _, pair := range invalidParameters {
_, _, err := GetSunriseSunset(pair.latitude, pair.longitude, pair.utcOffset, pair.date)
if err == nil {
t.Error(
"Expect an error",
)
}
}
// Test with valid values
// Table tests
var tTests = []struct {
latitude float64
longitude float64
utcOffset float64
date time.Time
sunrise time.Time
sunset time.Time
}{
{-23.545570, -46.704082, -3.0, date, time.Date(1, 1, 1, 6, 11, 44, 0, time.UTC), time.Date(1, 1, 1, 18, 14, 27, 0, time.UTC)}, // Sao Paulo - Brazil
{36.7201600, -4.4203400, 1.0, date, time.Date(1, 1, 1, 7, 16, 45, 0, time.UTC), time.Date(1, 1, 1, 19, 32, 10, 0, time.UTC)}, // Málaga - Spain
{ 28.613084, 77.209168, 5.5, date, time.Date(1, 1, 1, 6, 21, 45, 0, time.UTC), time.Date(1, 1, 1, 18, 34, 07, 0, time.UTC)}, // Nova Delhi - India
{ 32.755701, -96.797296, -5.0, date, time.Date(1, 1, 1, 7, 26, 34, 0, time.UTC), time.Date(1, 1, 1, 19, 41, 07, 0, time.UTC)}, // Dallas - United States of America
}
// Test with all values in the table
for _, pair := range tTests {
sunrise, sunset, err := GetSunriseSunset(pair.latitude, pair.longitude, pair.utcOffset, pair.date)
if err != nil {
t.Error(
"Expect: nil",
"Received: ", err,
)
}
if !sunrise.Equal(pair.sunrise) {
t.Error(
"Expected: ", pair.sunrise,
"Received: ", sunrise,
)
}
if !sunset.Equal(pair.sunset) {
t.Error(
"Expected: ", pair.sunset,
"Received: ", sunset,
)
}
}
}
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