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Java > Open Source Codes > test > prefuse > data > io > DelimitedTextTableReaderTest


1 package test.prefuse.data.io;
2
3 import java.io.ByteArrayInputStream JavaDoc;
4 import java.io.InputStream JavaDoc;
5
6 import junit.framework.TestCase;
7 import prefuse.data.Table;
8 import prefuse.data.io.DataIOException;
9 import prefuse.data.io.DelimitedTextTableReader;
10 import prefuse.data.io.TableReader;
11 import test.prefuse.TestConfig;
12 import test.prefuse.data.TableTestData;
13
14 public class DelimitedTextTableReaderTest extends TestCase implements TableTestData {
15  
16     public void testReadTableInputStream() {
17         // prepare data
18 byte[] data = TAB_DELIMITED_DATA.getBytes();
19         InputStream JavaDoc is = new ByteArrayInputStream JavaDoc(data);
20         
21         // parse data
22 TableReader ctr = new DelimitedTextTableReader();
23         Table t = null;
24         try {
25             t = ctr.readTable(is);
26         } catch ( DataIOException e ) {
27             e.printStackTrace();
28             fail("Data Read Exception");
29         }
30         
31         boolean verbose = TestConfig.verbose();
32         
33         // text-dump
34 if (verbose) System.out.println("** TAB DELIMITED DATA TEST **");
35         if (verbose) System.out.println("-- Data Types -------------");
36         for (int c = 0, idx = -1; c < t.getColumnCount(); ++c) {
37             String JavaDoc name = t.getColumnType(c).getName();
38             if ( (idx=name.lastIndexOf('.')) >= 0 )
39                 name = name.substring(idx+1);
40             assertEquals(t.getColumnType(c), TYPES[c]);
41             if (verbose) System.out.print(name + "\t");
42         }
43         if (verbose) System.out.println();
44         
45         if (verbose) System.out.println();
46         
47         if (verbose) System.out.println("-- Table Data -------------");
48         for (int c = 0; c < t.getColumnCount(); ++c) {
49             if (verbose) System.out.print(t.getColumnName(c) + "\t");
50             assertEquals(t.getColumnName(c), HEADERS[c]);
51         }
52         if (verbose) System.out.println();
53         for (int r = 0; r < t.getRowCount(); ++r) {
54             for (int c = 0; c < t.getColumnCount(); ++c) {
55                 Object JavaDoc o = t.get(r, c);
56                 if (verbose) System.out.print(o + "\t");
57                 assertEquals(TABLE[c][r], o);
58             }
59             if (verbose) System.out.println();
60         }
61         if (verbose) System.out.println();
62         
63 // // interface
64 // JFrame f = new JFrame("CSV Loader Test");
65 // f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
66 // JTable jt = new JTable(t) {
67 // TableCellRenderer defr = new DefaultTableCellRenderer();
68 // public TableCellRenderer getCellRenderer(int r, int c) {
69 // return defr;
70 // }
71 // };
72 // JScrollPane jsp = new JScrollPane(jt);
73 // f.getContentPane().add(jsp);
74 // f.pack();
75 // f.setVisible(true);
76 }
77
78 }
79
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