A test of some basic HsqldbLiaison behavior, which I added to test other

things, which ended up being infeasible. But I'll leave this test machinery
here as it may be useful in the future if we want to add more
com.samskivert.jdcb unit tests.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@2880 6335cc39-0255-0410-8fd6-9bcaacd3b74c

pom.xml

@@ -75,6 +75,12 @@
       <version>4.8.1</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.hsqldb</groupId>
+      <artifactId>hsqldb</artifactId>
+      <version>2.0.0</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <!-- we include a few source files in our main jar for use by GWT -->

src/test/java/com/samskivert/jdbc/HsqldbLiaisonTest.java

@@ -0,0 +1,105 @@
+//
+// $Id$
+//
+// samskivert library - useful routines for java programs
+// Copyright (C) 2001-2010 Michael Bayne, et al.
+// 
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.samskivert.jdbc;
+
+import java.sql.Connection;
+import java.sql.Driver;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+
+import org.junit.*;
+import static org.junit.Assert.*;
+
+/**
+ * Tests the behavior of the {@link HsqldbLiaison}, which also sort of tests the {@link
+ * DatabaseLiaison} since that's the only implementation we can easily use in unit tests.
+ */
+public class HsqldbLiaisonTest
+{
+    @BeforeClass
+    public static void setUpJDBCDriver ()
+        throws Exception
+    {
+        // create an instance of the driver
+        Class.forName("org.hsqldb.jdbcDriver");
+    }
+
+    @Test
+    public void testCreateTable ()
+        throws Exception
+    {
+        invoke(new WithConnection() {
+            public void execute (Connection c, DatabaseLiaison dl) throws Exception {
+                String[] cols = new String[] { "col1", "col2", "col3" };
+                ColumnDefinition[] defs = new ColumnDefinition[] {
+                    new ColumnDefinition("int", false, false, null),
+                    new ColumnDefinition("int", false, false, "0"),
+                    new ColumnDefinition("varchar(255)", false, false, "''")
+                };
+                boolean created = dl.createTableIfMissing(
+                    c, "test_table", cols, defs, null, new String[] { "col1" });
+                assertTrue(created);
+
+                ResultSet rs = c.getMetaData().getColumns(null, null, "test_table", "%");
+                while (rs.next()) {
+                    if ("col1".equals(rs.getString("COLUMN_NAME"))) {
+                        assertEquals("INTEGER", rs.getString("TYPE_NAME"));
+                        assertEquals("NO", rs.getString("IS_NULLABLE"));
+                        assertEquals(null, rs.getString("COLUMN_DEF"));
+                    } else if ("col2".equals(rs.getString("COLUMN_NAME"))) {
+                        assertEquals("INTEGER", rs.getString("TYPE_NAME"));
+                        assertEquals("NO", rs.getString("IS_NULLABLE"));
+                        assertEquals("0", rs.getString("COLUMN_DEF"));
+                    } else if ("col3".equals(rs.getString("COLUMN_NAME"))) {
+                        assertEquals("VARCHAR", rs.getString("TYPE_NAME"));
+                        assertEquals("255", rs.getString("COLUMN_SIZE"));
+                        assertEquals("NO", rs.getString("IS_NULLABLE"));
+                        assertEquals("''", rs.getString("COLUMN_DEF"));
+                    }
+                }
+                rs.close();
+            }
+        });
+    }
+
+    protected void invoke (WithConnection wc)
+        throws Exception
+    {
+        Connection c = null;
+        try {
+            c = DriverManager.getConnection("jdbc:hsqldb:mem:test", "test", "");
+            DatabaseLiaison dl = LiaisonRegistry.getLiaison(c);
+            wc.execute(c, dl);
+        } finally {
+            try {
+                if (c != null) {
+                    c.close();
+                }
+            } catch (Exception e) {
+                System.err.println("Error closing HQSLDB: " + e);
+            }
+        }
+    }
+
+    protected interface WithConnection {
+        void execute (Connection c, DatabaseLiaison dl) throws Exception;
+    }
+}