test #60

src/test/java/com/solab/iso8583/TestHeaders.java

@@ -0,0 +1,51 @@
+package com.solab.iso8583;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+
+/**
+ * Test ISO headers.
+ *
+ * @author Enrique Zamudio
+ *         Date: 01/07/16 8:21 AM
+ */
+public class TestHeaders {
+
+    private MessageFactory<IsoMessage> mf;
+
+   	@Before
+   	public void init() throws IOException {
+   		mf = new MessageFactory<>();
+   		mf.setCharacterEncoding("UTF-8");
+   		mf.setConfigPath("config.xml");
+   	}
+
+    @Test
+    public void testBinaryHeader() throws Exception {
+        IsoMessage m = mf.newMessage(0x280);
+        Assert.assertNotNull(m.getBinaryIsoHeader());
+        byte[] buf = m.writeData();
+        Assert.assertEquals(4+4+16+2, buf.length);
+        for (int i=0; i < 4; i++) {
+            Assert.assertEquals(buf[i], (byte)0xff);
+        }
+        Assert.assertEquals(buf[4], 0x30);
+        Assert.assertEquals(buf[5], 0x32);
+        Assert.assertEquals(buf[6], 0x38);
+        Assert.assertEquals(buf[7], 0x30);
+        //Then parse and check the header is binary 0xffffffff
+        m = mf.parseMessage(buf, 4, true);
+        Assert.assertNull(m.getIsoHeader());
+        buf = m.getBinaryIsoHeader();
+        Assert.assertNotNull(buf);
+        for (int i=0; i < 4; i++) {
+            Assert.assertEquals(buf[i], (byte)0xff);
+        }
+        Assert.assertEquals(0x280, m.getType());
+        Assert.assertTrue(m.hasField(3));
+    }
+
+}