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taf/taf_test.go

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package taf
import (
"reflect"
"strings"
"testing"
"time"
"go.elara.ws/taf/units"
)
func TestKLAX(t *testing.T) {
const data = `KLAX 212011Z 2120/2224 26012KT P6SM FEW035 SCT050 SCT060
FM212200 25010KT P6SM SCT040
FM220300 VRB03KT P6SM BKN025
FM221000 VRB03KT P6SM OVC025
FM221700 26006KT P6SM BKN025
FM222000 26012KT P6SM SCT030`
expected := &Forecast{
Identifier: "KLAX",
PublishTime: time.Date(2023, time.September, 21, 20, 11, 0, 0, time.UTC),
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 20, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 23, 0, 0, 0, 0, time.UTC),
Duration: time.Duration(100800000000000),
},
Visibility: Visibility{
Plus: true,
Value: 6,
Unit: units.StatuteMiles,
},
Wind: Wind{
Direction: Direction{
Value: 260,
},
Speed: 12,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Few,
Altitude: 3500,
},
{
Type: Scattered,
Altitude: 5000,
},
{
Type: Scattered,
Altitude: 6000,
},
},
Changes: []*Change{
{
Type: From,
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 22, 0, 0, 0, time.UTC),
},
Visibility: Visibility{
Plus: true,
Value: 6,
Unit: units.StatuteMiles,
},
Wind: Wind{
Direction: Direction{
Value: 250,
},
Speed: 10,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 4000,
},
},
},
{
Type: From,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 3, 0, 0, 0, time.UTC),
},
Visibility: Visibility{
Plus: true,
Value: 6,
Unit: units.StatuteMiles,
},
Wind: Wind{
Direction: Direction{
Variable: true,
},
Speed: 3,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Broken,
Altitude: 2500,
},
},
},
{
Type: From,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 10, 0, 0, 0, time.UTC),
},
Visibility: Visibility{
Plus: true,
Value: 6,
Unit: units.StatuteMiles,
},
Wind: Wind{
Direction: Direction{
Variable: true,
},
Speed: 3,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Overcast,
Altitude: 2500,
},
},
},
{
Type: From,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 17, 0, 0, 0, time.UTC),
},
Visibility: Visibility{
Plus: true,
Value: 6,
Unit: units.StatuteMiles,
},
Wind: Wind{
Direction: Direction{
Value: 260,
},
Speed: 6,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Broken,
Altitude: 2500,
},
},
},
{
Type: From,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 20, 0, 0, 0, time.UTC),
},
Visibility: Visibility{
Plus: true,
Value: 6,
Unit: units.StatuteMiles,
},
Wind: Wind{
Direction: Direction{
Value: 260,
},
Speed: 12,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 3000,
},
},
},
},
}
fc, err := Parse(strings.NewReader(data))
if err != nil {
t.Fatalf("Error during parsing: %s", err)
}
if !reflect.DeepEqual(fc, expected) {
t.Errorf("Output does not match expected")
}
}
func TestZGSZ(t *testing.T) {
const data = `TAF AMD ZGSZ 211907Z 2118/2218 18004MPS 8000 SCT020 TX32/2206Z TN28/2122Z
TEMPO 2120/2202 SHRA SCT020 FEW023CB
TEMPO 2204/2208 TSRA SCT020 FEW023CB`
expected := &Forecast{
Identifier: "ZGSZ",
PublishTime: time.Date(2023, time.September, 21, 19, 7, 0, 0, time.UTC),
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 18, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 18, 0, 0, 0, time.UTC),
Duration: time.Duration(86400000000000),
},
Visibility: Visibility{
Value: 8000,
Unit: units.Meters,
},
Wind: Wind{
Direction: Direction{
Value: 180,
},
Speed: 4,
Unit: units.MetersPerSecond,
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 2000,
},
},
Temperature: []Temperature{
{
Type: High,
Value: 32,
Time: time.Date(2023, time.September, 22, 6, 0, 0, 0, time.UTC),
},
{
Type: Low,
Value: 28,
Time: time.Date(2023, time.September, 21, 22, 0, 0, 0, time.UTC),
},
},
Changes: []*Change{
{
Type: Temporary,
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 20, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 2, 0, 0, 0, time.UTC),
Duration: time.Duration(21600000000000),
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 2000,
},
{
Type: Few,
Altitude: 2300,
CloudType: CumuloNimbus,
},
},
Weather: []Weather{
{
Descriptor: Showers,
Precipitation: Rain,
},
},
},
{
Type: Temporary,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 4, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 8, 0, 0, 0, time.UTC),
Duration: time.Duration(14400000000000),
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 2000,
},
{
Type: Few,
Altitude: 2300,
CloudType: CumuloNimbus,
},
},
Weather: []Weather{
{
Descriptor: Thunderstorm,
Precipitation: Rain,
},
},
},
},
}
fc, err := Parse(strings.NewReader(data))
if err != nil {
t.Fatalf("Error during parsing: %s", err)
}
if !reflect.DeepEqual(fc, expected) {
t.Errorf("Output does not match expected")
}
}
func TestLFBD(t *testing.T) {
const data = `TAF LFBD 211700Z 2118/2224 31010KT CAVOK TX37/2214Z TN22/2205Z
BECMG 2118/2120 32004KT
BECMG 2200/2202 26005KT
BECMG 2213/2215 32010KT
BECMG 2222/2224 24004KT`
expected := &Forecast{
Identifier: "LFBD",
PublishTime: time.Date(2023, time.September, 21, 17, 0, 0, 0, time.UTC),
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 18, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 23, 0, 0, 0, 0, time.UTC),
Duration: time.Duration(108000000000000),
},
Wind: Wind{
Direction: Direction{
Value: 310,
},
Speed: 10,
Unit: units.Knots,
},
Temperature: []Temperature{
{
Type: High,
Value: 37,
Time: time.Date(2023, time.September, 22, 14, 0, 0, 0, time.UTC),
},
{
Type: Low,
Value: 22,
Time: time.Date(2023, time.September, 22, 5, 0, 0, 0, time.UTC),
},
},
Changes: []*Change{
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 18, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 21, 20, 0, 0, 0, time.UTC),
Duration: time.Duration(7200000000000),
},
Wind: Wind{
Direction: Direction{
Value: 320,
},
Speed: 4,
Unit: units.Knots,
},
},
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 0, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 2, 0, 0, 0, time.UTC),
Duration: time.Duration(7200000000000),
},
Wind: Wind{
Direction: Direction{
Value: 260,
},
Speed: 5,
Unit: units.Knots,
},
},
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 13, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 15, 0, 0, 0, time.UTC),
Duration: time.Duration(7200000000000),
},
Wind: Wind{
Direction: Direction{
Value: 320,
},
Speed: 10,
Unit: units.Knots,
},
},
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 22, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 23, 0, 0, 0, 0, time.UTC),
Duration: time.Duration(7200000000000),
},
Wind: Wind{
Direction: Direction{
Value: 240,
},
Speed: 4,
Unit: units.Knots,
},
},
},
Flags: []Flag{
CeilingAndVisibilityOK,
},
}
fc, err := Parse(strings.NewReader(data))
if err != nil {
t.Fatalf("Error during parsing: %s", err)
}
if !reflect.DeepEqual(fc, expected) {
t.Errorf("Output does not match expected")
}
}
func TestUUEE(t *testing.T) {
const data = `TAF UUEE 211958Z 2121/2221 VRB01MPS 9999 SCT030 TX20/2212Z TN12/2202Z
TEMPO 2121/2204 BKN004
PROB40
TEMPO 2121/2204 0300 FG
BECMG 2204/2206 24006MPS
PROB40
TEMPO 2209/2218 -TSRA BKN020CB`
expected := &Forecast{
Identifier: "UUEE",
PublishTime: time.Date(2023, time.September, 21, 19, 58, 0, 0, time.UTC),
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 21, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 21, 0, 0, 0, time.UTC),
Duration: time.Duration(86400000000000),
},
Visibility: Visibility{
Value: 9999,
Unit: units.Meters,
},
Wind: Wind{
Direction: Direction{
Variable: true,
},
Speed: 1,
Unit: units.MetersPerSecond,
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 3000,
},
},
Temperature: []Temperature{
{
Type: High,
Value: 20,
Time: time.Date(2023, time.September, 22, 12, 0, 0, 0, time.UTC),
},
{
Type: Low,
Value: 12,
Time: time.Date(2023, time.September, 22, 2, 0, 0, 0, time.UTC),
},
},
Changes: []*Change{
{
Type: Temporary,
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 21, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 4, 0, 0, 0, time.UTC),
Duration: time.Duration(25200000000000),
},
SkyCondition: []SkyCondition{
{
Type: Broken,
Altitude: 400,
},
},
Probability: 40,
},
{
Type: Temporary,
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 21, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 4, 0, 0, 0, time.UTC),
Duration: time.Duration(25200000000000),
},
Visibility: Visibility{
Value: 300,
Unit: units.Meters,
},
Weather: []Weather{
{
Obscuration: Fog,
},
},
},
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 4, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 6, 0, 0, 0, time.UTC),
Duration: time.Duration(7200000000000),
},
Wind: Wind{
Direction: Direction{
Value: 240,
},
Speed: 6,
Unit: units.MetersPerSecond,
},
Probability: 40,
},
{
Type: Temporary,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 9, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 18, 0, 0, 0, time.UTC),
Duration: time.Duration(32400000000000),
},
SkyCondition: []SkyCondition{
{
Type: Broken,
Altitude: 2000,
CloudType: CumuloNimbus,
},
},
Weather: []Weather{
{
Modifier: Light,
Descriptor: Thunderstorm,
Precipitation: Rain,
},
},
},
},
}
fc, err := Parse(strings.NewReader(data))
if err != nil {
t.Fatalf("Error during parsing: %s", err)
}
if !reflect.DeepEqual(fc, expected) {
t.Errorf("Output does not match expected")
}
}
func TestEGLL(t *testing.T) {
const data = `TAF EGLL 211658Z 2118/2224 22008KT 9999 FEW040
BECMG 2201/2204 BKN007
PROB30
TEMPO 2202/2206 8000 BKN004
BECMG 2207/2210 SCT025`
expected := &Forecast{
Identifier: "EGLL",
PublishTime: time.Date(2023, time.September, 21, 16, 58, 0, 0, time.UTC),
Valid: ValidPair{
From: time.Date(2023, time.September, 21, 18, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 23, 0, 0, 0, 0, time.UTC),
Duration: time.Duration(108000000000000),
},
Visibility: Visibility{
Value: 9999,
Unit: units.Meters,
},
Wind: Wind{
Direction: Direction{
Value: 220,
},
Speed: 8,
Unit: units.Knots,
},
SkyCondition: []SkyCondition{
{
Type: Few,
Altitude: 4000,
},
},
Changes: []*Change{
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 1, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 4, 0, 0, 0, time.UTC),
Duration: time.Duration(10800000000000),
},
SkyCondition: []SkyCondition{
{
Type: Broken,
Altitude: 700,
},
},
Probability: 30,
},
{
Type: Temporary,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 2, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 6, 0, 0, 0, time.UTC),
Duration: time.Duration(14400000000000),
},
Visibility: Visibility{
Value: 8000,
Unit: units.Meters,
},
SkyCondition: []SkyCondition{
{
Type: Broken,
Altitude: 400,
},
},
},
{
Type: Becoming,
Valid: ValidPair{
From: time.Date(2023, time.September, 22, 7, 0, 0, 0, time.UTC),
To: time.Date(2023, time.September, 22, 10, 0, 0, 0, time.UTC),
Duration: time.Duration(10800000000000),
},
SkyCondition: []SkyCondition{
{
Type: Scattered,
Altitude: 2500,
},
},
},
},
}
fc, err := Parse(strings.NewReader(data))
if err != nil {
t.Fatalf("Error during parsing: %s", err)
}
if !reflect.DeepEqual(fc, expected) {
t.Errorf("Output does not match expected")
}
}
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