Add ArmorTest

pgpainless-sop/src/test/java/org/pgpainless/sop/ArmorTest.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2021 Paul Schaub.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.pgpainless.sop;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+
+import org.bouncycastle.openpgp.PGPException;
+import org.junit.jupiter.api.Test;
+import org.pgpainless.PGPainless;
+import org.pgpainless.util.ArmorUtils;
+import sop.enums.ArmorLabel;
+import sop.exception.SOPGPException;
+
+public class ArmorTest {
+
+    @Test
+    public void labelIsNotSupported() {
+        assertThrows(SOPGPException.UnsupportedOption.class, () -> new SOPImpl().armor().label(ArmorLabel.Sig));
+    }
+
+    @Test
+    public void armor() throws PGPException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IOException {
+        byte[] data = PGPainless.generateKeyRing().modernKeyRing("Alice", null).getEncoded();
+        byte[] knownGoodArmor = ArmorUtils.toAsciiArmoredString(data).getBytes(StandardCharsets.UTF_8);
+        byte[] armored = new SOPImpl()
+                .armor()
+                .data(new ByteArrayInputStream(data))
+                .getBytes();
+
+        assertArrayEquals(knownGoodArmor, armored);
+
+        byte[] dearmored = new SOPImpl().dearmor()
+                .data(new ByteArrayInputStream(knownGoodArmor))
+                .getBytes();
+
+        assertArrayEquals(data, dearmored);
+    }
+}