Port to java 17
[ccsdk/apps.git] / cadi / core / src / test / java / org / onap / ccsdk / apps / cadi / test / JU_Symm.java
diff --git a/cadi/core/src/test/java/org/onap/ccsdk/apps/cadi/test/JU_Symm.java b/cadi/core/src/test/java/org/onap/ccsdk/apps/cadi/test/JU_Symm.java
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+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.ccsdk
+ * * ===========================================================================
+ * * Copyright © 2023 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * 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.
+ * * ============LICENSE_END====================================================
+ * *
+ * *
+ ******************************************************************************/
+
+package org.onap.ccsdk.apps.cadi.test;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
+import java.lang.reflect.*;
+import org.junit.*;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.Arrays;
+
+import org.onap.ccsdk.apps.cadi.CadiException;
+import org.onap.ccsdk.apps.cadi.PropAccess;
+import org.onap.ccsdk.apps.cadi.Symm;
+
+public class JU_Symm {
+    private Symm defaultSymm;
+
+    private ByteArrayOutputStream outStream;
+
+    @Before
+    public void setup() throws Exception {
+        defaultSymm = new Symm(
+                "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".toCharArray()
+                ,76, "Use default!" ,true, "Junit 1");
+        outStream = new ByteArrayOutputStream();
+        System.setOut(new PrintStream(outStream));
+    }
+
+    @After
+    public void tearDown() {
+        System.setOut(System.out);
+    }
+
+    @Test
+    public void constructorTest() throws Exception {
+        Symm myCustomSymm = new Symm(
+            "ACEGIKMOQSUWYacegikmoqsuwy02468+/".toCharArray(), 76, "Default", true, "Junit 2");
+        Field convert_field = Symm.class.getDeclaredField("convert");
+        convert_field.setAccessible(true);
+
+        Class<?> Unordered_class = Class.forName("org.onap.ccsdk.apps.cadi.Symm$Unordered");
+        assertThat(convert_field.get(myCustomSymm), instanceOf(Unordered_class));
+    }
+
+    @SuppressWarnings("unused")
+    @Test
+    public void copyTest() throws Exception {
+        Symm copy = Symm.base64.copy(76);
+    }
+
+    @SuppressWarnings("deprecation")
+    @Test
+    public void deprecatedTest() {
+        assertEquals(Symm.base64(), Symm.base64);
+        assertEquals(Symm.base64noSplit(), Symm.base64noSplit);
+        assertEquals(Symm.base64url(), Symm.base64url);
+        assertEquals(Symm.baseCrypt(), Symm.encrypt);
+    }
+
+    @Test
+    public void encodeDecodeStringTest() throws Exception {
+        String orig = "hello";
+        String b64encrypted = Symm.base64.encode(orig);
+        assertEquals(Symm.base64.decode(b64encrypted), orig);
+
+        String defaultEnrypted = defaultSymm.encode(orig);
+        assertEquals(defaultSymm.decode(defaultEnrypted), orig);
+    }
+
+    @Test
+    public void encodeDecodeByteArrayTest() throws Exception {
+        String orig = "hello";
+        byte[] b64encrypted = Symm.base64.encode(orig.getBytes());
+        assertEquals(new String(Symm.base64.decode(b64encrypted)), orig);
+
+        byte[] empty = null;
+        assertTrue(Arrays.equals(Symm.base64.encode(empty), new byte[0]));
+    }
+
+    @Test
+    public void encodeDecodeStringToStreamTest() throws Exception {
+        String orig = "I'm a password, really";
+        String b64encrypted;
+        String output;
+
+        ByteArrayOutputStream baosEncrypt = new ByteArrayOutputStream();
+        Symm.base64.encode(orig, baosEncrypt);
+        b64encrypted = new String(baosEncrypt.toByteArray());
+
+        ByteArrayOutputStream baosDecrypt = new ByteArrayOutputStream();
+        Symm.base64.decode(b64encrypted, baosDecrypt);
+        output = new String(baosDecrypt.toByteArray());
+
+        assertEquals(orig, output);
+    }
+
+    @Test
+    public void encryptDecryptStreamWithPrefixTest() throws Exception {
+        String orig = "I'm a password, really";
+        byte[] b64encrypted;
+        String output;
+
+        byte[] prefix = "enc:".getBytes();
+
+        ByteArrayInputStream baisEncrypt = new ByteArrayInputStream(orig.getBytes());
+        ByteArrayOutputStream baosEncrypt = new ByteArrayOutputStream();
+        Symm.base64.encode(baisEncrypt, baosEncrypt, prefix);
+
+        b64encrypted = baosEncrypt.toByteArray();
+
+        ByteArrayInputStream baisDecrypt = new ByteArrayInputStream(b64encrypted);
+        ByteArrayOutputStream baosDecrypt = new ByteArrayOutputStream();
+        Symm.base64.decode(baisDecrypt, baosDecrypt, prefix.length);
+
+        output = new String(baosDecrypt.toByteArray());
+        assertEquals(orig, output);
+    }
+
+    @Test
+    public void randomGenTest() {
+        // Ian - There really isn't a great way to test for randomness...
+        String prev = null;
+        for (int i = 0; i < 10; i++) {
+            String current = Symm.randomGen(100);
+            if (current.equals(prev)) {
+                fail("I don't know how, but you generated the exact same random string twice in a row");
+            }
+            prev = current;
+        }
+        assertTrue(true);
+    }
+
+    @Test
+    public void obtainTest() throws Exception {
+        Symm symm = Symm.base64.obtain();
+
+        String orig ="Another Password, please";
+        String encrypted = symm.enpass(orig);
+        String decrypted = symm.depass(encrypted);
+        assertEquals(orig, decrypted);
+    }
+
+    @Test
+    public void InputStreamObtainTest() throws Exception {
+        byte[] keygen = Symm.keygen();
+
+        Symm symm = Symm.obtain(new ByteArrayInputStream(keygen));
+
+        String orig ="Another Password, please";
+        String encrypted = symm.enpass(orig);
+        String decrypted = symm.depass(encrypted);
+        assertEquals(orig, decrypted);
+    }
+
+    @Test
+    public void StringObtainTest() throws Exception {
+        byte[] keygen = Symm.keygen();
+
+        Symm symm = Symm.obtain(new String(keygen));
+
+        String orig ="Another Password, please";
+        String encrypted = symm.enpass(orig);
+        String decrypted = symm.depass(encrypted);
+        assertEquals(orig, decrypted);
+    }
+
+    @Test
+    public void AccessObtainTest() throws Exception {
+        PropAccess pa = new PropAccess("cadi_keyfile=src/test/resources/keyfile");
+        Symm symm = Symm.obtain(pa);
+        String orig ="Another Password, please";
+        String encrypted = symm.enpass(orig);
+        String decrypted = symm.depass(encrypted);
+        assertEquals(orig, decrypted);
+
+        try {
+            PropAccess badPa = mock(PropAccess.class);
+            when(badPa.getProperty("cadi_keyfile", null)).thenReturn("not_a_real_file.txt");
+            symm = Symm.obtain(badPa);
+            fail("Should have thrown an exception");
+        } catch (CadiException e) {
+            assertTrue(e.getMessage().contains("ERROR: "));
+            assertTrue(e.getMessage().contains("not_a_real_file.txt"));
+            assertTrue(e.getMessage().contains(" does not exist!"));
+        }
+    }
+
+}