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weather_test.go
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weather_test.go
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package climacell
import (
"encoding/json"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// not real weather data (which is why the sample is from the geographically
// impossible coordinates 91 degrees north and 181 degrees west), but the same
// format as a real API response
var everyWeatherField = []byte(`
{
"lat": 91.128,
"lon": -181.250,
"temp": {"value": 10, "units": "C"},
"feels_like": {"value": 10, "units": "C"},
"dewpoint": {"value": -0.50, "units": "C"},
"wind_speed": {"value": 5, "units": "beaufort"},
"wind_gust": {"value": 10, "units": "beaufort"},
"baro_pressure": {"value": 20.71, "units": "inHg"},
"visibility": {"value": 6.21371, "units": "mi"},
"humidity": {"value": 20.71, "units": "%"},
"wind_direction": {"value": 250.25, "units": "degrees"},
"precipitation": {"value": 10, "units": "mm/hr"},
"precipitation_type": {"value": "rain"},
"cloud_cover": {"value": 12.8, "units": "%"},
"cloud_ceiling": {"value": 6000, "units": "ft"},
"cloud_base": {"value": 5000, "units": "ft"},
"surface_shortwave_radiation": {"value": 250.1123, "units": "w/sqm"},
"fire_index": {"value": 3.6},
"sunrise": {"value": "2020-04-12T12:34:56.789Z"},
"sunset": {"value": "2020-04-12T23:45:56.789Z"},
"moon_phase": {"value": "waning_gibbous"},
"weather_code": {"value": "mostly_clear"},
"epa_aqi": {"value": 25},
"epa_primary_pollutant": {"value": "pm25"},
"china_aqi": {"value": 12},
"china_primary_pollutant": {"value": "pm25"},
"pm25": {"value": 10, "units": "µg/m3"},
"pm10": {"value": 15, "units": "µg/m3"},
"o3": {"value": 8, "units": "ppb"},
"no2": {"value": 40, "units": "ppb"},
"co": {"value": 3, "units": "ppm"},
"so2": {"value": 1, "units": "ppb"},
"epa_health_concern": {"value": "Good"},
"china_health_concern": {"value": "Good"},
"observation_time": {"value": "2020-04-12T12:00:00.000Z"}
}`)
// TestDeserializeWeatherWithAllFields validates that if we try to deserialize
// a Weather sample with all fields non-null, the deserialization succeeds.
func TestDeserializeWeatherWithAllFields(t *testing.T) {
var w Weather
require.NoError(t, json.Unmarshal(everyWeatherField, &w))
assert.Equal(t, 91.128, w.Lat)
assert.Equal(t, -181.250, w.Lon)
expObservationTime, err := time.Parse(time.RFC3339, "2020-04-12T12:00:00.000Z")
require.NoError(t, err)
assert.EqualValues(t, expObservationTime, w.ObservationTime.Value)
if temp, ok := w.Temp.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 10, temp)
}
if feelsLike, ok := w.FeelsLike.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 10, feelsLike)
}
if dewPoint, ok := w.DewPoint.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, -0.50, dewPoint)
}
if windSpeed, ok := w.WindSpeed.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 5, windSpeed)
}
if windGust, ok := w.WindGust.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 10, windGust)
}
if baroPressure, ok := w.BaroPressure.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 20.71, baroPressure)
}
if visibility, ok := w.Visibility.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 6.21371, visibility)
}
if humidity, ok := w.Humidity.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 20.71, humidity)
}
if windDirection, ok := w.WindDirection.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 250.25, windDirection)
}
if precipitation, ok := w.Precipitation.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 10, precipitation)
}
if precipitationType, ok := w.PrecipitationType.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "rain", precipitationType)
}
if cloudCover, ok := w.CloudCover.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 12.8, cloudCover)
}
if cloudCeiling, ok := w.CloudCeiling.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 6000, cloudCeiling)
}
if cloudBase, ok := w.CloudBase.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 5000, cloudBase)
}
if ssw, ok := w.SurfaceShortwaveRadiation.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 250.1123, ssw)
}
if fireIndex, ok := w.FireIndex.GetValue(); ok {
assert.EqualValues(t, 3.6, fireIndex)
}
expSunrise, err := time.Parse(time.RFC3339, "2020-04-12T12:34:56.789Z")
require.NoError(t, err)
if sunrise, ok := w.Sunrise.GetValue(); assert.True(t, ok) {
assert.WithinDuration(t, expSunrise, sunrise, time.Second)
}
expSunset, err := time.Parse(time.RFC3339, "2020-04-12T23:45:56.789Z")
require.NoError(t, err)
if sunset, ok := w.Sunset.GetValue(); assert.True(t, ok) {
assert.WithinDuration(t, expSunset, sunset, time.Second)
}
if moonPhase, ok := w.MoonPhase.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "waning_gibbous", moonPhase)
}
if weatherCode, ok := w.WeatherCode.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "mostly_clear", weatherCode)
}
if epaAQI, ok := w.EpaAQI.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 25, epaAQI)
}
if epaPrimaryPollutant, ok := w.EPAPrimaryPollutant.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "pm25", epaPrimaryPollutant)
}
if epaHealthConcern, ok := w.EPAHealthConcern.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "Good", epaHealthConcern)
}
if chinaAQI, ok := w.ChinaAQI.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 12, chinaAQI)
}
if chinaPrimaryPollutant, ok := w.ChinaPrimaryPollutant.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "pm25", chinaPrimaryPollutant)
}
if chinaHealthConcern, ok := w.ChinaHealthConcern.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, "Good", chinaHealthConcern)
}
if pmTwoPointFive, ok := w.PMTwoPointFive.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 10, pmTwoPointFive)
}
if pmTen, ok := w.PMTen.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 15, pmTen)
}
if o3, ok := w.O3.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 8, o3)
}
if no2, ok := w.NO2.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 40, no2)
}
if co, ok := w.CO.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 3, co)
}
if so2, ok := w.SO2.GetValue(); assert.True(t, ok) {
assert.EqualValues(t, 1, so2)
}
}
// not real weather data (which is why the sample is from the geographically
// impossible coordinates 91 degrees north and 181 degrees west), but the same
// format as a real API response
var minimalWeatherData = []byte(`
{
"lat": 91.128,
"lon": -181.250,
"observation_time": {"value": "2020-04-12T12:00:00.000Z"}
}`)
// TestDeserializeWeatherWithAllFieldsAbsent validates that if we try to
// deserialize a Weather sample with all nullable fields absent, the
// deserialization succeeds, with nil values for any absent fields.
func TestDeserializeWeatherWithAllFieldsAbsent(t *testing.T) {
var w Weather
require.NoError(t, json.Unmarshal(minimalWeatherData, &w))
assert.Equal(t, 91.128, w.Lat)
assert.Equal(t, -181.250, w.Lon)
expObservationTime, err := time.Parse(time.RFC3339, "2020-04-12T12:00:00.000Z")
require.NoError(t, err)
assert.EqualValues(t, expObservationTime, w.ObservationTime.Value)
assert.Nil(t, w.Temp)
assert.Nil(t, w.FeelsLike)
assert.Nil(t, w.DewPoint)
assert.Nil(t, w.WindSpeed)
assert.Nil(t, w.WindGust)
assert.Nil(t, w.BaroPressure)
assert.Nil(t, w.Visibility)
assert.Nil(t, w.Humidity)
assert.Nil(t, w.WindDirection)
assert.Nil(t, w.Precipitation)
assert.Nil(t, w.PrecipitationType)
assert.Nil(t, w.CloudCover)
assert.Nil(t, w.CloudCeiling)
assert.Nil(t, w.CloudBase)
assert.Nil(t, w.SurfaceShortwaveRadiation)
assert.Nil(t, w.FireIndex)
assert.Nil(t, w.Sunrise)
assert.Nil(t, w.Sunset)
assert.Nil(t, w.MoonPhase)
assert.Nil(t, w.WeatherCode)
assert.Nil(t, w.EpaAQI)
assert.Nil(t, w.EPAPrimaryPollutant)
assert.Nil(t, w.EPAHealthConcern)
assert.Nil(t, w.ChinaAQI)
assert.Nil(t, w.ChinaPrimaryPollutant)
assert.Nil(t, w.ChinaHealthConcern)
assert.Nil(t, w.PMTwoPointFive)
assert.Nil(t, w.PMTen)
assert.Nil(t, w.O3)
assert.Nil(t, w.NO2)
assert.Nil(t, w.CO)
assert.Nil(t, w.SO2)
}
// not real weather data (which is why the sample is from the geographically
// impossible coordinates 91 degrees north and 181 degrees west), but the same
// format as a real API response
var everyWeatherFieldNull = []byte(`
{
"lat": 91.128,
"lon": -181.250,
"temp": {"value": null, "units": "C"},
"feels_like": {"value": null, "units": "C"},
"dewpoint": {"value": null, "units": "C"},
"wind_speed": {"value": null, "units": "beaufort"},
"wind_gust": {"value": null, "units": "beaufort"},
"baro_pressure": {"value": null, "units": "inHg"},
"visibility": {"value": null, "units": "mi"},
"humidity": {"value": null, "units": "%"},
"wind_direction": {"value": null, "units": "degrees"},
"precipitation": {"value": null, "units": "mm/hr"},
"precipitation_type": {"value": null},
"cloud_cover": {"value": null, "units": "%"},
"cloud_ceiling": {"value": null, "units": "ft"},
"cloud_base": {"value": null, "units": "ft"},
"surface_shortwave_radiation": {"value": null, "units": "w/sqm"},
"fire_index": {"value": null},
"sunrise": {"value": null},
"sunset": {"value": null},
"moon_phase": {"value": null},
"weather_code": {"value": null},
"epa_aqi": {"value": null},
"epa_primary_pollutant": {"value": null},
"china_aqi": {"value": null},
"china_primary_pollutant": {"value": null},
"pm25": {"value": null, "units": "µg/m3"},
"pm10": {"value": null, "units": "µg/m3"},
"o3": {"value": null, "units": "ppb"},
"no2": {"value": null, "units": "ppb"},
"co": {"value": null, "units": "ppm"},
"so2": {"value": null, "units": "ppb"},
"epa_health_concern": {"value": null},
"china_health_concern": {"value": null},
"observation_time": {"value": "2020-04-12T12:00:00.000Z"}
}`)
// TestDeserializeWeatherWithAllFieldsNull validates that if we try to
// deserialize a Weather sample with almost all nullable fields present but
// with null values, the deserialization succeeds, and for each field's
// GetValue method, a false ok value is returned.
func TestDeserializeWeatherWithAllFieldsNull(t *testing.T) {
var w Weather
require.NoError(t, json.Unmarshal(minimalWeatherData, &w))
assert.Equal(t, 91.128, w.Lat)
assert.Equal(t, -181.250, w.Lon)
expObservationTime, err := time.Parse(time.RFC3339, "2020-04-12T12:00:00.000Z")
require.NoError(t, err)
assert.EqualValues(t, expObservationTime, w.ObservationTime.Value)
_, ok := w.Temp.GetValue()
assert.False(t, ok, "Temp was present")
_, ok = w.FeelsLike.GetValue()
assert.False(t, ok, "FeelsLike was present")
_, ok = w.DewPoint.GetValue()
assert.False(t, ok, "DewPoint was present")
_, ok = w.WindSpeed.GetValue()
assert.False(t, ok, "WindSpeed was present")
_, ok = w.WindGust.GetValue()
assert.False(t, ok, "WindGust was present")
_, ok = w.BaroPressure.GetValue()
assert.False(t, ok, "BaroPressure was present")
_, ok = w.Visibility.GetValue()
assert.False(t, ok, "Visibility was present")
_, ok = w.Humidity.GetValue()
assert.False(t, ok, "Humidity was present")
_, ok = w.WindDirection.GetValue()
assert.False(t, ok, "WindDirection was present")
_, ok = w.Precipitation.GetValue()
assert.False(t, ok, "Precipitation was present")
_, ok = w.PrecipitationType.GetValue()
assert.False(t, ok, "PrecipitationType was present")
_, ok = w.CloudCover.GetValue()
assert.False(t, ok, "CloudCoder was present")
_, ok = w.CloudCeiling.GetValue()
assert.False(t, ok, "CloudCeiling was present")
_, ok = w.CloudBase.GetValue()
assert.False(t, ok, "CloudBase was present")
_, ok = w.SurfaceShortwaveRadiation.GetValue()
assert.False(t, ok, "SurfaceShortwaveRadiation was present")
_, ok = w.FireIndex.GetValue()
assert.False(t, ok, "FireIndex was present")
_, ok = w.Sunrise.GetValue()
assert.False(t, ok, "Sumrise was present")
_, ok = w.Sunset.GetValue()
assert.False(t, ok, "Sunset was present")
_, ok = w.MoonPhase.GetValue()
assert.False(t, ok, "MoonPhase was present")
_, ok = w.WeatherCode.GetValue()
assert.False(t, ok, "WeatherCode was present")
_, ok = w.EpaAQI.GetValue()
assert.False(t, ok, "EpaAQI was present")
_, ok = w.EPAPrimaryPollutant.GetValue()
assert.False(t, ok, "EPAPrimaryPollutant was present")
_, ok = w.EPAHealthConcern.GetValue()
assert.False(t, ok, "EPAHealthConcern was present")
_, ok = w.ChinaAQI.GetValue()
assert.False(t, ok, "ChinaAQI was present")
_, ok = w.ChinaPrimaryPollutant.GetValue()
assert.False(t, ok, "ChinaPrimaryPollutant was present")
_, ok = w.ChinaHealthConcern.GetValue()
assert.False(t, ok, "ChinaHealthConcern was present")
_, ok = w.PMTwoPointFive.GetValue()
assert.False(t, ok, "PMTwoPointFive was present")
_, ok = w.PMTen.GetValue()
assert.False(t, ok, "PMTen was present")
_, ok = w.O3.GetValue()
assert.False(t, ok, "O3 was present")
_, ok = w.NO2.GetValue()
assert.False(t, ok, "NO2 was present")
_, ok = w.CO.GetValue()
assert.False(t, ok, "CO was present")
_, ok = w.SO2.GetValue()
assert.False(t, ok, "SO2 was present")
}