Activate JUnits in project

- Fix project configuration: activate junits during project build
- Increase code coverage

Issue-ID: DCAEGEN2-1016
Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>
Change-Id: I3d6d3462b4582c20c77577640deff8cece10d4d2

4 files changed, 99 insertions, 6 deletions

diff --git a/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CharsFromStreamReader.java b/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CharsFromStreamReader.java
index 1ea18cc7..58be00cd 100644
--- a/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CharsFromStreamReader.java
+++ b/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CharsFromStreamReader.java
@@ -25,7 +25,7 @@ import java.io.IOException;
 import java.io.InputStreamReader;
 import java.nio.CharBuffer;
 
-final class CharsFromStreamReader {
+class CharsFromStreamReader {
 
     public static final int END_OF_STREAM = -1;
     private final int maxLength;
diff --git a/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CryptPassword.java b/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CryptPassword.java
index 4b16c9e2..c2c2528d 100644
--- a/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CryptPassword.java
+++ b/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/CryptPassword.java
@@ -24,7 +24,7 @@ import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 /**
  * Class for encoding passwords using BCrypt algorithm.
  */
-public final class CryptPassword {
+public class CryptPassword {
 
     private BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
 
diff --git a/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/EncodePassword.java b/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/EncodePassword.java
index 77843816..3fe6265c 100644
--- a/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/EncodePassword.java
+++ b/security/crypt-password/src/main/java/org/onap/dcaegen2/services/sdk/security/EncodePassword.java
@@ -25,11 +25,17 @@ class EncodePassword {
 
     private static final int MAX_PASSWORD_LENGTH = 64 * 1024;
     private static final int ARGS_LENGTH_PASSWORD_PROVIDED = 1;
-    private CryptPassword cryptPassword = new CryptPassword();
-    private CharsFromStreamReader charsFromStreamReader = new CharsFromStreamReader(MAX_PASSWORD_LENGTH);
+    private final CryptPassword cryptPassword;
+    private final CharsFromStreamReader charsFromStreamReader;
+
+    public EncodePassword(CryptPassword cryptPassword, CharsFromStreamReader charsFromStreamReader) {
+        this.cryptPassword = cryptPassword;
+        this.charsFromStreamReader = charsFromStreamReader;
+    }
+
 
     public static void main(String[] args) {
-        new EncodePassword().run(args);
+        new EncodePassword(new CryptPassword(), new CharsFromStreamReader(MAX_PASSWORD_LENGTH)).run(args);
     }
 
     public void run(String[] args) {
@@ -65,7 +71,7 @@ class EncodePassword {
         System.err.println(msg);
     }
 
-    private void printErrorAndExit(ExitCode exitCode, String msg) {
+    void printErrorAndExit(ExitCode exitCode, String msg) {
         System.err.println(msg);
         System.exit(exitCode.value);
     }
diff --git a/security/crypt-password/src/test/java/org/onap/dcaegen2/services/sdk/security/EncodePasswordTest.java b/security/crypt-password/src/test/java/org/onap/dcaegen2/services/sdk/security/EncodePasswordTest.java
new file mode 100644
index 00000000..a899bb98
--- /dev/null
+++ b/security/crypt-password/src/test/java/org/onap/dcaegen2/services/sdk/security/EncodePasswordTest.java
@@ -0,0 +1,87 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2021 Nokia. 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.dcaegen2.services.sdk.security;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+class EncodePasswordTest {
+
+    public static final String PASSWORD_CANNOT_BE_EMPTY = "Password cannot be empty";
+    public static final String PASSWORD_TO_ENCODE = "testPass";
+    public static final String EMPTY_PASSWORD = "";
+    private final CryptPassword cryptPassword = mock(CryptPassword.class);
+    private final CharsFromStreamReader charsFromStreamReader = mock(CharsFromStreamReader.class);
+    private final EncodePassword encodePassword = spy(new EncodePassword(cryptPassword, charsFromStreamReader));
+
+    @BeforeEach
+    void setUp() {
+        doNothing().when(encodePassword).printErrorAndExit(any(), any());
+    }
+
+    @Test
+    void shouldExitWithErrorCodeWhenPasswordIsNotAvailableInArgs() throws IOException {
+        // when
+        encodePassword.run(new String[]{});
+
+        // then
+        verify(charsFromStreamReader).readPasswordFromStdIn();
+        verify(encodePassword).printErrorAndExit(
+                eq(ExitCode.INVALID_PASSWORD),
+                eq(PASSWORD_CANNOT_BE_EMPTY)
+        );
+    }
+
+    @Test
+    void shouldExitWithErrorCodeWhenPasswordIsEmpty() {
+        // when
+        encodePassword.run(new String[]{EMPTY_PASSWORD});
+
+        // then
+        verify(encodePassword).printErrorAndExit(
+                eq(ExitCode.INVALID_PASSWORD),
+                eq(PASSWORD_CANNOT_BE_EMPTY)
+        );
+    }
+
+    @Test
+    void shouldEncodePasswordWhenPasswordIsAvailableInArgs() throws IOException {
+        // when
+        encodePassword.run(new String[]{PASSWORD_TO_ENCODE});
+
+        // then
+        verify(charsFromStreamReader, never()).readPasswordFromStdIn();
+        verify(cryptPassword).encode(eq(PASSWORD_TO_ENCODE));
+        verify(encodePassword, never()).printErrorAndExit(
+                eq(ExitCode.INVALID_PASSWORD),
+                eq(PASSWORD_CANNOT_BE_EMPTY)
+        );
+    }
+}