add nip92 imeta parsing helper.

2024-12-29 14:07:19 -03:00
parent 91efcb3825
commit a4bae38f68
2 changed files with 173 additions and 0 deletions
@@ -0,0 +1,100 @@
+package nip92
+
+import (
+	"testing"
+
+	"github.com/nbd-wtf/go-nostr"
+	"github.com/stretchr/testify/require"
+)
+
+func TestIMetaParsing(t *testing.T) {
+	for i, tcase := range []struct {
+		expected IMeta
+		tags     nostr.Tags
+	}{
+		{
+			expected: nil,
+			tags:     nostr.Tags{},
+		},
+		{
+			expected: nil,
+			tags:     nostr.Tags{{"t", "nothing"}},
+		},
+		{
+			expected: nil,
+			tags:     nostr.Tags{{"imeta", "nothing"}},
+		},
+		{
+			expected: nil,
+			tags: nostr.Tags{
+				{
+					"imeta",
+					"url https://i.nostr.build/yhsyFkwxWlw7odSB.gif",
+					"blurhash eDG*7p~AE34;E29x^ij?EMWBEMIWI;IpbI0g0gn+%1oyNGEMM|%1n%",
+					"dim 225x191",
+				},
+				{
+					"imeta",
+					"blurhash qwkueh",
+					"dim oxo",
+				},
+			},
+		},
+		{
+			expected: IMeta{
+				{
+					URL:      "https://i.nostr.build/yhsyFkwxWlw7odSB.gif",
+					Blurhash: "eDG*7p~AE34;E29x^ij?EMWBEMIWI;IpbI0g0gn+%1oyNGEMM|%1n%",
+					Width:    225,
+					Height:   191,
+				},
+			},
+			tags: nostr.Tags{
+				{
+					"imeta",
+					"url https://i.nostr.build/yhsyFkwxWlw7odSB.gif",
+					"blurhash eDG*7p~AE34;E29x^ij?EMWBEMIWI;IpbI0g0gn+%1oyNGEMM|%1n%",
+					"dim 225x191",
+				},
+			},
+		},
+		{
+			expected: IMeta{
+				{
+					URL:      "https://image.nostr.build/94060676611fe7fca86588068d3f140607eda443f6d66d6b9754e93b0b8439ac.jpg",
+					Blurhash: "eQF?RxZ}nNo~fk*0s6Z~kYem0iacsRkEsl9eW;oHkDoIxbtSobRkRi",
+					Width:    3024,
+					Height:   3024,
+				},
+				{
+					URL:      "https://image.nostr.build/9bc3998f79c401bc9d3b3b74c1cbff0a3225f754194b94a6f5750ca6ea492846.jpg",
+					Blurhash: "#2Ss1[RO%MIUx]R*-;WUtR0Kt6njof-;xu-pofxt4-M{yExt%2s.xaV[jF4TM|?bt6tmt6tRaybI0KtS=wRkWYWAtRjYt7tR%M?vNerWRjIBV@RjIAxYIpRP_3NGaKWXRj",
+					Width:    1920,
+					Height:   1494,
+					Alt:      "Verifiable file url",
+				},
+			},
+			tags: nostr.Tags{
+				{
+					"imeta",
+					"url https://image.nostr.build/94060676611fe7fca86588068d3f140607eda443f6d66d6b9754e93b0b8439ac.jpg",
+					"blurhash eQF?RxZ}nNo~fk*0s6Z~kYem0iacsRkEsl9eW;oHkDoIxbtSobRkRi",
+					"dim 3024x3024",
+				},
+				{
+					"imeta",
+					"url https://image.nostr.build/9bc3998f79c401bc9d3b3b74c1cbff0a3225f754194b94a6f5750ca6ea492846.jpg",
+					"m image/jpeg",
+					"alt Verifiable file url",
+					"x 80a8f087f6c45ec7fb9e8839e5af095df9b439a0836cdf70a244086b6b2c1a88",
+					"size 121397",
+					"dim 1920x1494",
+					"blurhash #2Ss1[RO%MIUx]R*-;WUtR0Kt6njof-;xu-pofxt4-M{yExt%2s.xaV[jF4TM|?bt6tmt6tRaybI0KtS=wRkWYWAtRjYt7tR%M?vNerWRjIBV@RjIAxYIpRP_3NGaKWXRj",
+					"ox 9bc3998f79c401bc9d3b3b74c1cbff0a3225f754194b94a6f5750ca6ea492846",
+				},
+			},
+		},
+	} {
+		require.Equal(t, tcase.expected, ParseTags(tcase.tags), "case %d", i)
+	}
+}