add metar request/response to protocol

2026-03-30 11:05:34 +08:00 · 2024-04-09 15:14:09 -07:00
parent 2861947057
commit ed3eee721f
4 changed files with 293 additions and 0 deletions
--- a/protocol/metar_response_test.go
+++ b/protocol/metar_response_test.go
@@ -0,0 +1,115 @@
+package protocol
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/stretchr/testify/assert"
+	"strings"
+	"testing"
+)
+
+func TestParseMetarResponsePDU(t *testing.T) {
+	V = validator.New(validator.WithRequiredStructEnabled())
+
+	tests := []struct {
+		name    string
+		packet  string
+		want    *MetarResponsePDU
+		wantErr error
+	}{
+		{
+			"Valid - Standard Metar",
+			"$ARSERVER:CLIENT:KSEE 091847Z 25007KT 10SM SKC 24/04 A3006\r\n",
+			&MetarResponsePDU{
+				From:  "SERVER",
+				To:    "CLIENT",
+				Metar: "KSEE 091847Z 25007KT 10SM SKC 24/04 A3006",
+			},
+			nil,
+		},
+		{
+			"Valid - colons in metar",
+			"$ARSERVER:CLIENT:KSEE 091847Z::: 25007KT 10::SM SKC 24/:04 A3006\r\n",
+			&MetarResponsePDU{
+				From:  "SERVER",
+				To:    "CLIENT",
+				Metar: "KSEE 091847Z::: 25007KT 10::SM SKC 24/:04 A3006",
+			},
+			nil,
+		},
+		{
+			"Missing To field",
+			"$ARSERVER::KSEE 091847Z 25007KT 10SM SKC 24/04 A3006\r\n",
+			nil,
+			NewGenericFSDError(SyntaxError),
+		},
+		{
+			"From Field too long",
+			"$ARSERVERTOLONG:CLIENT:KSEE 091847Z 25007KT 10SM SKC 24/04 A3006\r\n",
+			nil,
+			NewGenericFSDError(SyntaxError),
+		},
+		{
+			"Metar too long",
+			"$ARSERVER:CLIENT:" + strings.Repeat("A", 257) + "\r\n",
+			nil,
+			NewGenericFSDError(SyntaxError),
+		},
+		{
+			"Incomplete packet format",
+			"$ARSERVER:CLIENT\r\n",
+			nil,
+			NewGenericFSDError(SyntaxError),
+		},
+		{
+			"Empty metar field",
+			"$ARSERVER:CLIENT:\r\n",
+			nil,
+			NewGenericFSDError(SyntaxError),
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			// Perform the parsing
+			result, err := ParseMetarResponsePDU(tc.packet)
+
+			// Check the error
+			if tc.wantErr != nil {
+				assert.EqualError(t, err, tc.wantErr.Error())
+			} else {
+				assert.NoError(t, err)
+			}
+
+			// Verify the result
+			assert.Equal(t, tc.want, result)
+		})
+	}
+}
+
+func TestMetarResponsePDU_Serialize(t *testing.T) {
+	tests := []struct {
+		name string
+		pdu  MetarResponsePDU
+		want string
+	}{
+		{
+			"Standard Metar",
+			MetarResponsePDU{
+				From:  "SERVER",
+				To:    "CLIENT",
+				Metar: "KSEE 091847Z 25007KT 10SM SKC 24/04 A3006",
+			},
+			"$ARSERVER:CLIENT:KSEE 091847Z 25007KT 10SM SKC 24/04 A3006\r\n",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			// Perform the serialization
+			got := tc.pdu.Serialize()
+
+			// Verify the result
+			assert.Equal(t, tc.want, got)
+		})
+	}
+}