1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
|
// Copyright © 2022 siddharth ravikumar <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
package nws
import (
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"time"
)
func TestPoints(t *testing.T) {
// Test valid lat,lng.
np, err := Points(41.115, -83.177)
if err != nil {
t.Errorf("points: %v", err)
return
}
if np.Properties.Forecast != "https://api.weather.gov/gridpoints/CLE/33,42/forecast" {
t.Errorf("points: forcecast link: '%v'", np.Properties.Forecast)
}
if np.Properties.ForecastHourly != "https://api.weather.gov/gridpoints/CLE/33,42/forecast/hourly" {
t.Errorf("points: forcecast link: '%v'", np.Properties.ForecastHourly)
}
if np.Properties.GridId != "CLE" {
t.Errorf("points: gridid: %v", np.Properties.GridId)
}
if np.Properties.GridX != 33 {
t.Errorf("points: gridx: %v", np.Properties.GridX)
}
if np.Properties.GridY != 42 {
t.Errorf("points: gridy: %v", np.Properties.GridY)
}
if np.Properties.RelativeLocation.Properties.City != "Tiffin" {
t.Errorf("points: location: city: %v", np.Properties)
}
if np.Properties.RelativeLocation.Properties.State != "OH" {
t.Errorf("points: location: state: %v", np.Properties)
}
// Test invalid lat,lng
np, err = Points(115.0, -83.177)
if err == nil {
t.Errorf("points: %v", np)
}
}
func TestGetForecast(t *testing.T) {
// Get point.
np, err := Points(41.115, -83.177)
if err != nil {
t.Errorf("error: %v", err)
return
}
// Get forecast.
fc, err := GetForecast(np)
if err != nil {
t.Errorf("error: %v", err)
return
}
// Verify periods.
for i, period := range fc.Properties.Periods {
if period.Number < 1 {
t.Errorf("period: %d: number invalid: %v", i, period.Number)
}
if len(period.Name) < 1 {
t.Errorf("period: %d: name invalid: %v", i, period.Name)
}
if len(period.StartTime) < 1 {
t.Errorf("period: %d: start time invalid: %v", i,
period.StartTime)
}
if len(period.EndTime) < 1 {
t.Errorf("period: %d: end time invalid: %v", i,
period.EndTime)
}
if len(period.TemperatureUnit) < 1 {
t.Errorf("period: %d: temperature unit invalid: %v",
i, period.TemperatureUnit)
}
if len(period.WindSpeed) < 1 {
t.Errorf("period: %d: wind speed invalid: %v",
i, period.WindSpeed)
}
if len(period.WindDirection) < 1 {
t.Errorf("period: %d: wind direction invalid: %v",
i, period.WindDirection)
}
if len(period.ShortForecast) < 1 {
t.Errorf("period: %d: short forecast invalid: %v",
i, period.ShortForecast)
}
if len(period.DetailedForecast) < 1 {
t.Errorf("period: %d: detailed forecast invalid: %v",
i, period.DetailedForecast)
}
}
}
func TestGetForecastHourly(t *testing.T) {
// Get point.
np, err := Points(41.115, -83.177)
if err != nil {
t.Errorf("error: %v", err)
return
}
// Get forecast hourly.
fc, err := GetForecastHourly(np)
if err != nil {
t.Errorf("error: %v", err)
return
}
// Verify periods.
for i, period := range fc.Properties.Periods {
if period.Number < 1 {
t.Errorf("period: %d: number invalid: %v", i, period.Number)
}
if len(period.StartTime) < 1 {
t.Errorf("period: %d: start time invalid: %v", i,
period.StartTime)
}
if len(period.EndTime) < 1 {
t.Errorf("period: %d: end time invalid: %v", i,
period.EndTime)
}
if len(period.TemperatureUnit) < 1 {
t.Errorf("period: %d: temperature unit invalid: %v",
i, period.TemperatureUnit)
}
if len(period.WindSpeed) < 1 {
t.Errorf("period: %d: wind speed invalid: %v",
i, period.WindSpeed)
}
if len(period.WindDirection) < 1 {
t.Errorf("period: %d: wind direction invalid: %v",
i, period.WindDirection)
}
if len(period.ShortForecast) < 1 {
t.Errorf("period: %d: short forecast invalid: %v",
i, period.ShortForecast)
}
}
}
func TestNWSGetWrapper(t *testing.T) {
// Initialize test NWS server.
fails := 0
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if fails > 0 {
fails -= 1
http.Error(w, `{"type":"urn:noaa:nws:api:UnexpectedProblem","title":"Unexpected Problem","status":500,"detail":"An unexpected problem has occurred.","instance":"urn:noaa:nws:api:request:493c3a1d-f87e-407f-ae2c-24483f5aab63","correlationId":"493c3a1d-f87e-407f-ae2c-24483f5aab63","additionalProp1":{}}`, 500)
return
}
// Add expires header.
w.Header().Set("expires",
time.Now().Add(time.Second*60).Format(time.RFC1123))
// Success.
fmt.Fprintln(w, `{"@context":[],"properties":{"gridId":"CLE","gridX":82,"gridY":64,"forecast":"https://api.weather.gov/gridpoints/CLE/82,64/forecast","forecastHourly":"https://api.weather.gov/gridpoints/CLE/82,64/forecast/hourly","relativeLocation":{"properties":{"city":"Cleveland","state":"OH"}}}}`)
}))
defer ts.Close()
// Test 1 - Server fails 5 times.
fails = 5
_, _, err := get(ts.URL)
if err != nil {
t.Errorf("get failed: %v", err)
return
}
// Test 2 - Server fails 6 times.
fails = 6
respBody, _, err := get(ts.URL)
if err == nil {
t.Errorf("get did not fail: %s", respBody)
return
}
if err != nil && respBody != nil {
t.Errorf("body is not nil: %s", respBody)
}
if err.Title != "Unexpected Problem" {
t.Errorf("err title: %s", err.Title)
return
}
if err.Type != "urn:noaa:nws:api:UnexpectedProblem" {
t.Errorf("err type: %s", err.Type)
return
}
if err.Status != 500 {
t.Errorf("err status: %d", err.Status)
return
}
if err.Detail != "An unexpected problem has occurred." {
t.Errorf("err detail: %s", err.Detail)
return
}
// Test 3 - Server fails 1 time.
fails = 1
respBody, expires, err := get(ts.URL)
if err != nil {
t.Errorf("get failed: %v", err)
return
}
if respBody == nil {
t.Errorf("body: %s", respBody)
return
}
if time.Until(expires).Seconds() < 1 {
t.Errorf("points: expires in not in the future")
return
}
point := new(Point)
jerr := json.Unmarshal(respBody, point)
if jerr != nil {
t.Errorf("points: decode: %v", jerr)
return
}
if point.Properties.Forecast == "" {
t.Errorf("points: forecast empty")
return
}
if point.Properties.ForecastHourly == "" {
t.Errorf("points: forecasthourly empty")
return
}
if point.Properties.RelativeLocation.Properties.City == "" {
t.Errorf("points: city empty")
return
}
if point.Properties.RelativeLocation.Properties.State == "" {
t.Errorf("points: state empty")
return
}
}
func TestAlerts(t *testing.T) {
// Initialize test NWS server.
fail := false
alert := `{"@context":["https://geojson.org/geojson-ld/geojson-context.jsonld",{"@version":"1.1","wx":"https://api.weather.gov/ontology#","@vocab":"https://api.weather.gov/ontology#"}],"type":"FeatureCollection","features":[{"id":"https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b17674895f0389f4cb276c6db9c15d0aed41460f.001.1","type":"Feature","geometry":null,"properties":{"@id":"https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b17674895f0389f4cb276c6db9c15d0aed41460f.001.1","@type":"wx:Alert","id":"urn:oid:2.49.0.1.840.0.b17674895f0389f4cb276c6db9c15d0aed41460f.001.1","areaDesc":"Coffee; Dale; Henry; Geneva; Houston; North Walton; Central Walton; Holmes; Washington; Jackson; Inland Bay; Calhoun; Inland Gulf; Inland Franklin; Gadsden; Leon; Inland Jefferson; Madison; Liberty; Inland Wakulla; Inland Taylor; Lafayette; Inland Dixie; South Walton; Coastal Bay; Coastal Gulf; Coastal Franklin; Coastal Jefferson; Coastal Wakulla; Coastal Taylor; Coastal Dixie; Quitman; Clay; Randolph; Calhoun; Terrell; Dougherty; Lee; Worth; Turner; Tift; Ben Hill; Irwin; Early; Miller; Baker; Mitchell; Colquitt; Cook; Berrien; Seminole; Decatur; Grady; Thomas; Brooks; Lowndes; Lanier","geocode":{"SAME":["001031","001045","001067","001061","001069","012131","012059","012133","012063","012005","012013","012045","012037","012039","012073","012065","012079","012077","012129","012123","012067","012029","013239","013061","013243","013037","013273","013095","013177","013321","013287","013277","013017","013155","013099","013201","013007","013205","013071","013075","013019","013253","013087","013131","013275","013027","013185","013173"],"UGC":["ALZ065","ALZ066","ALZ067","ALZ068","ALZ069","FLZ007","FLZ008","FLZ009","FLZ010","FLZ011","FLZ012","FLZ013","FLZ014","FLZ015","FLZ016","FLZ017","FLZ018","FLZ019","FLZ026","FLZ027","FLZ028","FLZ029","FLZ034","FLZ108","FLZ112","FLZ114","FLZ115","FLZ118","FLZ127","FLZ128","FLZ134","GAZ120","GAZ121","GAZ122","GAZ123","GAZ124","GAZ125","GAZ126","GAZ127","GAZ128","GAZ129","GAZ130","GAZ131","GAZ142","GAZ143","GAZ144","GAZ145","GAZ146","GAZ147","GAZ148","GAZ155","GAZ156","GAZ157","GAZ158","GAZ159","GAZ160","GAZ161"]},"affectedZones":["https://api.weather.gov/zones/forecast/ALZ065","https://api.weather.gov/zones/forecast/ALZ066","https://api.weather.gov/zones/forecast/ALZ067","https://api.weather.gov/zones/forecast/ALZ068","https://api.weather.gov/zones/forecast/ALZ069","https://api.weather.gov/zones/forecast/FLZ007","https://api.weather.gov/zones/forecast/FLZ008","https://api.weather.gov/zones/forecast/FLZ009","https://api.weather.gov/zones/forecast/FLZ010","https://api.weather.gov/zones/forecast/FLZ011","https://api.weather.gov/zones/forecast/FLZ012","https://api.weather.gov/zones/forecast/FLZ013","https://api.weather.gov/zones/forecast/FLZ014","https://api.weather.gov/zones/forecast/FLZ015","https://api.weather.gov/zones/forecast/FLZ016","https://api.weather.gov/zones/forecast/FLZ017","https://api.weather.gov/zones/forecast/FLZ018","https://api.weather.gov/zones/forecast/FLZ019","https://api.weather.gov/zones/forecast/FLZ026","https://api.weather.gov/zones/forecast/FLZ027","https://api.weather.gov/zones/forecast/FLZ028","https://api.weather.gov/zones/forecast/FLZ029","https://api.weather.gov/zones/forecast/FLZ034","https://api.weather.gov/zones/forecast/FLZ108","https://api.weather.gov/zones/forecast/FLZ112","https://api.weather.gov/zones/forecast/FLZ114","https://api.weather.gov/zones/forecast/FLZ115","https://api.weather.gov/zones/forecast/FLZ118","https://api.weather.gov/zones/forecast/FLZ127","https://api.weather.gov/zones/forecast/FLZ128","https://api.weather.gov/zones/forecast/FLZ134","https://api.weather.gov/zones/forecast/GAZ120","https://api.weather.gov/zones/forecast/GAZ121","https://api.weather.gov/zones/forecast/GAZ122","https://api.weather.gov/zones/forecast/GAZ123","https://api.weather.gov/zones/forecast/GAZ124","https://api.weather.gov/zones/forecast/GAZ125","https://api.weather.gov/zones/forecast/GAZ126","https://api.weather.gov/zones/forecast/GAZ127","https://api.weather.gov/zones/forecast/GAZ128","https://api.weather.gov/zones/forecast/GAZ129","https://api.weather.gov/zones/forecast/GAZ130","https://api.weather.gov/zones/forecast/GAZ131","https://api.weather.gov/zones/forecast/GAZ142","https://api.weather.gov/zones/forecast/GAZ143","https://api.weather.gov/zones/forecast/GAZ144","https://api.weather.gov/zones/forecast/GAZ145","https://api.weather.gov/zones/forecast/GAZ146","https://api.weather.gov/zones/forecast/GAZ147","https://api.weather.gov/zones/forecast/GAZ148","https://api.weather.gov/zones/forecast/GAZ155","https://api.weather.gov/zones/forecast/GAZ156","https://api.weather.gov/zones/forecast/GAZ157","https://api.weather.gov/zones/forecast/GAZ158","https://api.weather.gov/zones/forecast/GAZ159","https://api.weather.gov/zones/forecast/GAZ160","https://api.weather.gov/zones/forecast/GAZ161"],"references":[],"sent":"2022-06-17T16:00:00-04:00","effective":"2022-06-17T16:00:00-04:00","onset":"2022-06-18T12:00:00-04:00","expires":"2022-06-17T22:00:00-04:00","ends":"2022-06-18T20:00:00-04:00","status":"Actual","messageType":"Alert","category":"Met","severity":"Moderate","certainty":"Likely","urgency":"Expected","event":"Heat Advisory","sender":"w-nws.webmaster@noaa.gov","senderName":"NWS Tallahassee FL","headline":"Heat Advisory issued June 17 at 4:00PM EDT until June 18 at 8:00PM EDT by NWS Tallahassee FL","description":"* WHAT...Heat index values of 108 to 112 expected.\n\n* WHERE...Portions of southeast Alabama, south central and\nsouthwest Georgia, and the Big Bend and Panhandle of Florida.\n\n* WHEN...For the first Heat Advisory, until 8 PM EDT /7 PM CDT/\nthis evening. For the second Heat Advisory, from noon EDT /11\nAM CDT/ to 8 PM EDT /7 PM CDT/ Saturday.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses to occur.","instruction":"Drink plenty of fluids, stay in an air-conditioned room, stay out\nof the sun, and check up on relatives and neighbors. Young\nchildren and pets should never be left unattended in vehicles\nunder any circumstances.\n\nTake extra precautions if you work or spend time outside. When\npossible reschedule strenuous activities to early morning or\nevening. Know the signs and symptoms of heat exhaustion and heat\nstroke. Wear lightweight and loose fitting clothing when\npossible. To reduce risk during outdoor work, the Occupational\nSafety and Health Administration recommends scheduling frequent\nrest breaks in shaded or air conditioned environments. Anyone\novercome by heat should be moved to a cool and shaded location.\nHeat stroke is an emergency! Call 9 1 1.","response":"Execute","parameters":{"AWIPSidentifier":["NPWTAE"],"WMOidentifier":["WWUS72 KTAE 172000"],"NWSheadline":["HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON EDT /11 AM CDT/ TO 8 PM EDT /7 PM CDT/ SATURDAY"],"BLOCKCHANNEL":["EAS","NWEM","CMAS"],"VTEC":["/O.NEW.KTAE.HT.Y.0005.220618T1600Z-220619T0000Z/"],"eventEndingTime":["2022-06-19T00:00:00+00:00"]}}}],"title":"current watches, warnings, and advisories for 30.7848 N, 83.5601 W","updated":"2022-06-18T00:00:00+00:00"}`
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if fail {
http.Error(w, `{"type":"urn:noaa:nws:api:UnexpectedProblem","title":"Unexpected Problem","status":500,"detail":"An unexpected problem has occurred.","instance":"urn:noaa:nws:api:request:493c3a1d-f87e-407f-ae2c-24483f5aab63","correlationId":"493c3a1d-f87e-407f-ae2c-24483f5aab63","additionalProp1":{}}`, 500)
return
}
// Add expires header.
w.Header().Set("expires",
time.Now().Add(time.Second*60).Format(time.RFC1123))
// Success.
fmt.Fprint(w, alert)
}))
defer ts.Close()
baseUrl, _ = url.Parse(ts.URL)
// Hit it.
fail = true
_, nwsErr := GetAlerts(33.2938, -83.9674)
if nwsErr == nil {
t.Errorf("alerts: expected it to fail")
return
}
if nwsErr.Title != "Unexpected Problem" {
t.Errorf("alerts: Error.Title: %v", nwsErr.Title)
return
}
if nwsErr.Type != "urn:noaa:nws:api:UnexpectedProblem" {
t.Errorf("alerts: Error.Type: %v", nwsErr.Type)
return
}
if nwsErr.Status != 500 {
t.Errorf("alerts: Error.Status: %v", nwsErr.Status)
return
}
if nwsErr.Detail != "An unexpected problem has occurred." {
t.Errorf("alerts: Error.Detail: %v", nwsErr.Detail)
return
}
// Hit it again.
fail = false
fc, nwsErr := GetAlerts(33.2938, -83.9674)
if nwsErr != nil {
t.Errorf("alerts: %v", nwsErr)
return
}
// Validate the feature collection.
if len(fc.Features) < 1 {
t.Errorf("alerts: fc.Features < 1")
return
}
// Validate feature.
f := fc.Features[0]
if f.Properties.Event != "Heat Advisory" {
t.Errorf("alerts: feture.Properties.Event: %v", f.Properties.Event)
return
}
if f.Properties.Severity != "Moderate" {
t.Errorf("alerts: feture.Properties.Severity: %v", f.Properties.Severity)
return
}
if f.Properties.Description != "* WHAT...Heat index values of 108 to 112 expected.\n\n* WHERE...Portions of southeast Alabama, south central and\nsouthwest Georgia, and the Big Bend and Panhandle of Florida.\n\n* WHEN...For the first Heat Advisory, until 8 PM EDT /7 PM CDT/\nthis evening. For the second Heat Advisory, from noon EDT /11\nAM CDT/ to 8 PM EDT /7 PM CDT/ Saturday.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses to occur." {
t.Errorf("alerts: feture.Properties.Description: %v", f.Properties.Description)
return
}
if f.Properties.Instruction != "Drink plenty of fluids, stay in an air-conditioned room, stay out\nof the sun, and check up on relatives and neighbors. Young\nchildren and pets should never be left unattended in vehicles\nunder any circumstances.\n\nTake extra precautions if you work or spend time outside. When\npossible reschedule strenuous activities to early morning or\nevening. Know the signs and symptoms of heat exhaustion and heat\nstroke. Wear lightweight and loose fitting clothing when\npossible. To reduce risk during outdoor work, the Occupational\nSafety and Health Administration recommends scheduling frequent\nrest breaks in shaded or air conditioned environments. Anyone\novercome by heat should be moved to a cool and shaded location.\nHeat stroke is an emergency! Call 9 1 1." {
t.Errorf("alerts: feture.Properties.Instruction: %v", f.Properties.Instruction)
return
}
// Check if the alert is cached.
ll := fmt.Sprintf("%.4f,%.4f", 33.2938, -83.9674)
cachedRawAlert := aCache.Get(ll)
if len(cachedRawAlert) < 1 {
t.Errorf("alerts: cache: empty: %v", cachedRawAlert)
return
}
if len(cachedRawAlert) != len(alert) {
t.Errorf("alerts: cached entry size: %d != %d",
len(cachedRawAlert), len(alert))
return
}
if string(cachedRawAlert[:]) != alert {
t.Errorf("alerts: cached entry does not match alert: %s != %s",
cachedRawAlert, alert)
return
}
}
|
