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package nmea
import (
"testing"
"github.com/stretchr/testify/assert"
)
var gsvtests = []struct {
name string
raw string
err string
msg GSV
}{
{
name: "good sentence",
raw: "$GLGSV,3,1,11,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*6B",
msg: GSV{
TotalMessages: 3,
MessageNumber: 1,
NumberSVsInView: 11,
Info: []GSVInfo{
{SVPRNNumber: 3, Elevation: 3, Azimuth: 111, SNR: 0},
{SVPRNNumber: 4, Elevation: 15, Azimuth: 270, SNR: 0},
{SVPRNNumber: 6, Elevation: 1, Azimuth: 10, SNR: 12},
{SVPRNNumber: 13, Elevation: 6, Azimuth: 292, SNR: 0},
},
},
},
{
name: "short sentence",
raw: "$GLGSV,3,1,11,03,03,111,00,04,15,270,00,06,01,010,12*56",
msg: GSV{
TotalMessages: 3,
MessageNumber: 1,
NumberSVsInView: 11,
Info: []GSVInfo{
{SVPRNNumber: 3, Elevation: 3, Azimuth: 111, SNR: 0},
{SVPRNNumber: 4, Elevation: 15, Azimuth: 270, SNR: 0},
{SVPRNNumber: 6, Elevation: 1, Azimuth: 10, SNR: 12},
},
},
},
{
name: "sentence with no satellite in view",
raw: "$GBGSV,1,1,00,0*77",
msg: GSV{
TotalMessages: 1,
MessageNumber: 1,
NumberSVsInView: 0,
Info: nil,
},
},
{
name: "good sentence with system id",
raw: "$GAGSV,3,1,09,02,00,179,,04,09,321,,07,11,134,11,11,10,227,,7*7F",
msg: GSV{
TotalMessages: 3,
MessageNumber: 1,
NumberSVsInView: 9,
Info: []GSVInfo{
{SVPRNNumber: 2, Elevation: 0, Azimuth: 179, SNR: 0},
{SVPRNNumber: 4, Elevation: 9, Azimuth: 321, SNR: 0},
{SVPRNNumber: 7, Elevation: 11, Azimuth: 134, SNR: 11},
{SVPRNNumber: 11, Elevation: 10, Azimuth: 227, SNR: 0},
},
SystemID: 7,
},
},
{
name: "invalid number of svs",
raw: "$GLGSV,3,1,11.2,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*77",
err: "nmea: GLGSV invalid number of SVs in view: 11.2",
},
{
name: "invalid number of messages",
raw: "$GLGSV,A3,1,11,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*2A",
err: "nmea: GLGSV invalid total number of messages: A3",
},
{
name: "invalid message number",
raw: "$GLGSV,3,A1,11,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*2A",
err: "nmea: GLGSV invalid message number: A1",
},
{
name: "invalid SV prn number",
raw: "$GLGSV,3,1,11,A03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*2A",
err: "nmea: GLGSV invalid SV prn number: A03",
},
{
name: "invalid elevation",
raw: "$GLGSV,3,1,11,03,A03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*2A",
err: "nmea: GLGSV invalid elevation: A03",
},
{
name: "invalid azimuth",
raw: "$GLGSV,3,1,11,03,03,A111,00,04,15,270,00,06,01,010,12,13,06,292,00*2A",
err: "nmea: GLGSV invalid azimuth: A111",
},
{
name: "invalid SNR",
raw: "$GLGSV,3,1,11,03,03,111,A00,04,15,270,00,06,01,010,12,13,06,292,00*2A",
err: "nmea: GLGSV invalid SNR: A00",
},
{
name: "good sentence",
raw: "$GPGSV,3,1,11,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*77",
msg: GSV{
TotalMessages: 3,
MessageNumber: 1,
NumberSVsInView: 11,
Info: []GSVInfo{
{SVPRNNumber: 3, Elevation: 3, Azimuth: 111, SNR: 0},
{SVPRNNumber: 4, Elevation: 15, Azimuth: 270, SNR: 0},
{SVPRNNumber: 6, Elevation: 1, Azimuth: 10, SNR: 12},
{SVPRNNumber: 13, Elevation: 6, Azimuth: 292, SNR: 0},
},
},
},
{
name: "short",
raw: "$GPGSV,3,1,11,03,03,111,00,04,15,270,00,06,01,010,12*4A",
msg: GSV{
TotalMessages: 3,
MessageNumber: 1,
NumberSVsInView: 11,
Info: []GSVInfo{
{SVPRNNumber: 3, Elevation: 3, Azimuth: 111, SNR: 0},
{SVPRNNumber: 4, Elevation: 15, Azimuth: 270, SNR: 0},
{SVPRNNumber: 6, Elevation: 1, Azimuth: 10, SNR: 12},
},
},
},
{
name: "invalid number of SVs",
raw: "$GPGSV,3,1,11.2,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*6b",
err: "nmea: GPGSV invalid number of SVs in view: 11.2",
},
{
name: "invalid total number of messages",
raw: "$GPGSV,A3,1,11,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*36",
err: "nmea: GPGSV invalid total number of messages: A3",
},
{
name: "invalid message number",
raw: "$GPGSV,3,A1,11,03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*36",
err: "nmea: GPGSV invalid message number: A1",
},
{
name: "invalid SV prn number",
raw: "$GPGSV,3,1,11,A03,03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*36",
err: "nmea: GPGSV invalid SV prn number: A03",
},
{
name: "invalid elevation",
raw: "$GPGSV,3,1,11,03,A03,111,00,04,15,270,00,06,01,010,12,13,06,292,00*36",
err: "nmea: GPGSV invalid elevation: A03",
},
{
name: "invalid azimuth",
raw: "$GPGSV,3,1,11,03,03,A111,00,04,15,270,00,06,01,010,12,13,06,292,00*36",
err: "nmea: GPGSV invalid azimuth: A111",
},
{
name: "invalid SNR",
raw: "$GPGSV,3,1,11,03,03,111,A00,04,15,270,00,06,01,010,12,13,06,292,00*36",
err: "nmea: GPGSV invalid SNR: A00",
},
}
func TestGSV(t *testing.T) {
for _, tt := range gsvtests {
t.Run(tt.name, func(t *testing.T) {
m, err := Parse(tt.raw)
if tt.err != "" {
assert.Error(t, err)
assert.EqualError(t, err, tt.err)
} else {
assert.NoError(t, err)
gsv := m.(GSV)
gsv.BaseSentence = BaseSentence{}
assert.Equal(t, tt.msg, gsv)
}
})
}
}
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