1 files changed, 48 insertions, 0 deletions
diff --git a/internal/federation/federatingactor_test.go b/internal/federation/federatingactor_test.go
index 604f458f5..a8f71af4c 100644
--- a/internal/federation/federatingactor_test.go
+++ b/internal/federation/federatingactor_test.go
@@ -151,3 +151,51 @@ func (suite *FederatingActorTestSuite) TestSendRemoteFollower() {
 func TestFederatingActorTestSuite(t *testing.T) {
 	suite.Run(t, new(FederatingActorTestSuite))
 }
+
+func TestIsASMediaType(t *testing.T) {
+	for _, test := range []struct {
+		Input  string
+		Expect bool
+	}{
+		{
+			Input:  "application/activity+json",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json;profile=https://www.w3.org/ns/activitystreams",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json;profile=\"https://www.w3.org/ns/activitystreams\"",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json ;profile=https://www.w3.org/ns/activitystreams",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json ;profile=\"https://www.w3.org/ns/activitystreams\"",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json ; profile=https://www.w3.org/ns/activitystreams",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json ; profile=\"https://www.w3.org/ns/activitystreams\"",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json; profile=https://www.w3.org/ns/activitystreams",
+			Expect: true,
+		},
+		{
+			Input:  "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
+			Expect: true,
+		},
+	} {
+		if federation.IsASMediaType(test.Input) != test.Expect {
+			t.Errorf("did not get expected result %v for input: %s", test.Expect, test.Input)
+		}
+	}
+}