diff --git a/pgpainless-sop/src/test/java/org/pgpainless/sop/GenerateKeyTest.java b/pgpainless-sop/src/test/java/org/pgpainless/sop/GenerateKeyTest.java
index 3a6e4476..5894bfa7 100644
--- a/pgpainless-sop/src/test/java/org/pgpainless/sop/GenerateKeyTest.java
+++ b/pgpainless-sop/src/test/java/org/pgpainless/sop/GenerateKeyTest.java
@@ -7,6 +7,7 @@ package org.pgpainless.sop;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.IOException;
@@ -21,6 +22,7 @@ import org.pgpainless.key.info.KeyRingInfo;
 import org.pgpainless.key.protection.UnlockSecretKey;
 import org.pgpainless.util.Passphrase;
 import sop.SOP;
+import sop.exception.SOPGPException;
 
 public class GenerateKeyTest {
 
@@ -92,4 +94,16 @@ public class GenerateKeyTest {
             assertNotNull(UnlockSecretKey.unlockSecretKey(key, Passphrase.fromPassword("sw0rdf1sh")));
         }
     }
+
+    @Test
+    public void invalidProfile() {
+        assertThrows(SOPGPException.UnsupportedProfile.class, () ->
+                sop.generateKey().profile("invalid"));
+    }
+
+    @Test
+    public void nullProfile() {
+        assertThrows(SOPGPException.UnsupportedProfile.class, () ->
+                sop.generateKey().profile((String) null));
+    }
 }
diff --git a/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java b/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java
new file mode 100644
index 00000000..0103bf4d
--- /dev/null
+++ b/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java
@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package org.pgpainless.sop;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import sop.SOP;
+import sop.exception.SOPGPException;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class ListProfilesTest {
+
+    private SOP sop;
+
+    @BeforeEach
+    public void prepare() {
+        this.sop = new SOPImpl();
+    }
+
+    @Test
+    public void listProfilesOfGenerateKey() {
+        assertFalse(sop.listProfiles().subcommand("generate-key").isEmpty());
+    }
+
+    @Test
+    public void listProfilesOfHelpCommandThrows() {
+        assertThrows(SOPGPException.UnsupportedProfile.class, () ->
+                sop.listProfiles().subcommand("help"));
+    }
+}