1 files changed, 53 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-utilities-lib/src/test/java/org/openecomp/core/utilities/file/FileContentHandlerTest.java b/openecomp-be/lib/openecomp-core-lib/openecomp-utilities-lib/src/test/java/org/openecomp/core/utilities/file/FileContentHandlerTest.java
new file mode 100644
index 0000000000..527ba22c1d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-core-lib/openecomp-utilities-lib/src/test/java/org/openecomp/core/utilities/file/FileContentHandlerTest.java
@@ -0,0 +1,53 @@
+package org.openecomp.core.utilities.file;
+
+import org.testng.annotations.Test;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Optional;
+
+import static org.testng.Assert.*;
+
+/**
+ * @author EVITALIY
+ * @since 24 Oct 17
+ */
+public class FileContentHandlerTest {
+
+    private static final String FILE_NAME = "test-file.txt";
+
+    @Test
+    public void testProcessFileContent() throws Exception {
+
+        final int size = 13;
+        FileContentHandler contentHandler = new FileContentHandler();
+        final byte[] content = new byte[size];
+        Arrays.fill(content, (byte) 44);
+        contentHandler.addFile(FILE_NAME, content);
+        assertEquals(contentHandler.processFileContent(FILE_NAME, optional -> {
+
+            try {
+                byte[] buffer = new byte[size];
+                assertTrue(optional.isPresent());
+                assertEquals(size, optional.get().read(buffer));
+                return buffer;
+            } catch (IOException e) {
+                throw new RuntimeException("Unexpected error", e);
+            }
+
+        }), content);
+    }
+
+    @Test
+    public void testProcessEmptyFileContent() throws Exception {
+        FileContentHandler contentHandler = new FileContentHandler();
+        contentHandler.addFile(FILE_NAME, new byte[0]);
+        assertFalse(contentHandler.processFileContent(FILE_NAME, Optional::isPresent));
+    }
+
+    @Test
+    public void testProcessNoFileContent() throws Exception {
+        FileContentHandler contentHandler = new FileContentHandler();
+        assertFalse(contentHandler.processFileContent("filename", Optional::isPresent));
+    }
+}
+\ No newline at end of file