SQOOP-164. Allow unit tests to use external dbs.

Modified the thirdparty tests to pick host URL from system properties.

From: Arvind Prabhakar <arvind@cloudera.com>

git-svn-id: https://svn.apache.org/repos/asf/incubator/sqoop/trunk@1150010 13f79535-47bb-0310-9956-ffa450edef68

COMPILING.txt

@@ -72,16 +72,43 @@ Install MySQL server and client 5.0. Download MySQL Connector/J 5.0.8 for
 JDBC. Instructions for configuring the MySQL database are in MySQLAuthTest
 and DirectMySQLTest.
 
+Use the system property sqoop.test.mysql.connectstring.host_url to specify the
+URL for the MySQL host used for testing. Specify this property on the command
+line or via the build.properties file. For example:
+
+sqoop.test.mysql.connectstring.host_url=jdbc:mysql://host.example.com/
+
+If not specified, the default value used for this property is:
+jdbc:mysql://localhost/
+
 === Oracle
 
 Install Oracle XE (Express edition) 10.2.0. Instructions for configuring the
 database are in OracleManagerTest. Download the ojdbc6_g jar.
 
+Use the system property sqoop.test.oracle.connectstring to specify the
+connection string for Oracle host used for testing. Specify this property on the
+command line or via the build.properties file. For example:
+
+sqoop.test.oracle.connectstring=jdbc:oracle:thin:@//host.example.com/xe
+
+If not specified, the default value used for this property is:
+jdbc:oracle:thin:@//localhost/xe
+
 === PostgreSQL
 
 Install PostgreSQL 8.3.9. Download the postgresql 8.4 jdbc driver. Instructions
 for configuring the database are in PostgresqlTest.
 
+Use the system property sqoop.test.postgresql.connectstring.host_url to specify
+the URL for the PostgreSQL host used for testing. Specify this property on the
+command line or via the build.properties file. For example:
+
+sqoop.test.postgresql.connectstring.host_url=jdbc:postgresql://sqoop-dbs.sf.cloudera.com/
+
+If not specified, the default value used for this property is:
+jdbc:postgresql://localhost/
+
 === Running the Third-party Tests
 
 After the third-party databases are installed and configured, run:

build.xml

@@ -168,6 +168,12 @@
   <property name="sqoop.test.oracle.connectstring"
             value="jdbc:oracle:thin:@//localhost/xe"/>
 
+  <property name="sqoop.test.mysql.connectstring.host_url"
+            value="jdbc:mysql://localhost/"/>
+
+  <property name="sqoop.test.postgresql.connectstring.host_url"
+            value="jdbc:postgresql://localhost/"/>
+
   <!-- load ant-contrib tasks to get the "if" task. -->
   <taskdef resource="net/sf/antcontrib/antcontrib.properties">
     <classpath>
@@ -558,6 +564,12 @@
       <sysproperty key="sqoop.test.oracle.connectstring"
                    value="${sqoop.test.oracle.connectstring}"/>
 
+      <sysproperty key="sqoop.test.mysql.connectstring.host_url"
+                   value="${sqoop.test.mysql.connectstring.host_url}"/>
+
+      <sysproperty key="sqoop.test.postgresql.connectstring.host_url"
+                   value="${sqoop.test.postgresql.connectstring.host_url}"/>
+
       <classpath>
         <!-- instrumented classes go ahead of normal classes -->
         <pathelement location="${cobertura.class.dir}" />

src/test/com/cloudera/sqoop/manager/DirectMySQLTest.java

@@ -84,6 +84,10 @@ public void setUp() {
     SqoopOptions options = new SqoopOptions(MySQLTestUtils.CONNECT_STRING,
         getTableName());
     options.setUsername(MySQLTestUtils.getCurrentUser());
+
+    LOG.debug("Setting up another DirectMySQLTest: "
+        + MySQLTestUtils.CONNECT_STRING);
+
     manager = new DirectMySQLManager(options);
 
     Connection connection = null;

src/test/com/cloudera/sqoop/manager/MySQLAuthTest.java

@@ -65,7 +65,9 @@ public class MySQLAuthTest extends ImportJobTestCase {
   public static final Log LOG = LogFactory.getLog(
       MySQLAuthTest.class.getName());
 
-  static final String HOST_URL = "jdbc:mysql://localhost/";
+  static final String HOST_URL = System.getProperty(
+          "sqoop.test.mysql.connectstring.host_url",
+          "jdbc:mysql://localhost/");
 
   static final String AUTH_TEST_DATABASE = "sqooppasstest";
   static final String AUTH_TEST_USER = "sqooptest";
@@ -89,6 +91,8 @@ public void setUp() {
     options.setUsername(AUTH_TEST_USER);
     options.setPassword(AUTH_TEST_PASS);
 
+    LOG.debug("Setting up another MySQLAuthTest: " + AUTH_CONNECT_STRING);
+
     manager = new DirectMySQLManager(options);
 
     Connection connection = null;

src/test/com/cloudera/sqoop/manager/MySQLTestUtils.java

@@ -34,7 +34,9 @@ public final class MySQLTestUtils {
   public static final Log LOG = LogFactory.getLog(
       MySQLTestUtils.class.getName());
 
-  public static final String HOST_URL = "jdbc:mysql://localhost/";
+  public static final String HOST_URL = System.getProperty(
+      "sqoop.test.mysql.connectstring.host_url",
+      "jdbc:mysql://localhost/");
 
   public static final String MYSQL_DATABASE_NAME = "sqooptestdb";
   public static final String TABLE_NAME = "EMPLOYEES_MYSQL";

src/test/com/cloudera/sqoop/manager/PostgresqlTest.java

@@ -82,7 +82,9 @@ public class PostgresqlTest extends ImportJobTestCase {
   public static final Log LOG = LogFactory.getLog(
       PostgresqlTest.class.getName());
 
-  static final String HOST_URL = "jdbc:postgresql://localhost/";
+  static final String HOST_URL = System.getProperty(
+      "sqoop.test.postgresql.connectstring.host_url",
+      "jdbc:postgresql://localhost/");
 
   static final String DATABASE_USER = "sqooptest";
   static final String DATABASE_NAME = "sqooptest";
@@ -98,7 +100,7 @@ protected boolean useHsqldbTestServer() {
   public void setUp() {
     super.setUp();
 
-    LOG.debug("Setting up another postgresql test...");
+    LOG.debug("Setting up another postgresql test: " + CONNECT_STRING);
 
     SqoopOptions options = new SqoopOptions(CONNECT_STRING, TABLE_NAME);
     options.setUsername(DATABASE_USER);