Added some simple unit tests.

git-svn-id: https://j8583.svn.sourceforge.net/svnroot/j8583/j8583@53 db60a039-f72e-0410-b1d2-baa000846441

src/test/java/j8583/CustomField48.java

@@ -0,0 +1,57 @@
+package j8583;
+
+import com.solab.iso8583.CustomField;
+
+/** This is an example of a custom field codec, which converts between strings and instances of this same class.
+ * 
+ * @author Enrique Zamudio
+ */
+public class CustomField48 implements CustomField<CustomField48> {
+
+	private String v1;
+	private int v2;
+
+	public void setValue1(String value) {
+		v1 = value;
+	}
+	public String getValue1() {
+		return v1;
+	}
+	public void setValue2(int value) {
+		v2 = value;
+	}
+	public int setValue2() {
+		return v2;
+	}
+
+	@Override
+	public CustomField48 decodeField(String value) {
+		CustomField48 cf = null;
+		if (value != null) {
+			if (value.length() == 1 && value.charAt(0) == '|') {
+				cf = new CustomField48();
+			} else {
+				int idx = value.lastIndexOf('|');
+				if (idx < 0 || idx == value.length() - 1) {
+					throw new IllegalArgumentException(String.format("Invalid data '%s' for field 48", value));
+				}
+				cf = new CustomField48();
+				cf.setValue1(value.substring(0, idx));
+				cf.setValue2(Integer.parseInt(value.substring(idx + 1)));
+			}
+		}
+		return cf;
+	}
+
+	@Override
+	public String encodeField(CustomField48 value) {
+		StringBuilder sb = new StringBuilder();
+		if (v1 != null) {
+			sb.append(v1);
+		}
+		sb.append('|');
+		sb.append(v2);
+		return sb.toString();
+	}
+
+}

src/test/java/j8583/SimpleMessageTests.java

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+package j8583;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.ParseException;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import com.solab.iso8583.IsoMessage;
+import com.solab.iso8583.IsoType;
+import com.solab.iso8583.MessageFactory;
+
+/** These are very simple tests for creating and manipulating messages.
+ * 
+ * @author Enrique Zamudio
+ */
+public class SimpleMessageTests {
+
+	private MessageFactory mf;
+
+	@Before
+	public void init() throws IOException {
+		mf = new MessageFactory();
+		mf.setCustomField(48, new CustomField48());
+		mf.setConfigPath("config.xml");
+	}
+
+	/** Creates a new message and checks that it has all the fields included in the config. */
+	@Test
+	public void testCreation() {
+		IsoMessage iso = mf.newMessage(0x200);
+		assert iso.getType() == 0x200;
+		assert iso.getField(3).getType() == IsoType.NUMERIC && ((Number)iso.getObjectValue(3)).intValue() == 650000;
+		assert iso.getField(32).getType() == IsoType.LLVAR;
+		assert iso.getField(35).getType() == IsoType.LLVAR;
+		assert iso.getField(43).getType() == IsoType.ALPHA && ((String)iso.getObjectValue(43)).length() == 40;
+		assert iso.getField(48).getType() == IsoType.LLLVAR && iso.getObjectValue(48) instanceof CustomField48;
+		assert iso.getField(49).getType() == IsoType.ALPHA;
+		assert iso.getField(60).getType() == IsoType.LLLVAR;
+		assert iso.getField(61).getType() == IsoType.LLLVAR;
+		assert iso.getField(100).getType() == IsoType.LLVAR;
+		assert iso.getField(102).getType() == IsoType.LLVAR;
+		for (int i = 4; i < 32; i++) {
+			assert !iso.hasField(i);
+		}
+		for (int i = 36; i < 48; i++) {
+			assert !iso.hasField(i);
+		}
+		for (int i = 50; i < 60; i++) {
+			assert !iso.hasField(i);
+		}
+		for (int i = 62; i < 100; i++) {
+			assert !iso.hasField(i);
+		}
+		for (int i = 103; i < 128; i++) {
+			assert !iso.hasField(i);
+		}
+	}
+
+	/** Parses a message from a file and checks the fields. */
+	@Test
+	public void testParsing() throws IOException, ParseException {
+		InputStream ins = getClass().getResourceAsStream("example.txt");
+		byte[] buf = new byte[400];
+		int pos = 0;
+		while (ins.available() > 0) {
+			buf[pos++] = (byte)ins.read();
+		}
+		ins.close();
+		IsoMessage iso = mf.parseMessage(buf, mf.getIsoHeader(0x210).length());
+		assert iso.getType() == 0x210;
+	}
+
+}