[ 
https://issues.apache.org/jira/browse/PHOENIX-1295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Gabriel Reid updated PHOENIX-1295:
----------------------------------
    Attachment: PHOENIX-1295-WIP1.patch

Here's an initial WIP patch that implements the QueryTestUtil as explained in 
the description, and rewrites a couple of tests to demonstrate it.

As an example of the query output checking (but not the table population), a 
test in HashJoinIT gets changed from this
{code}
@Test
    public void testDefaultJoin() throws Exception {
        String query = "SELECT item.\"item_id\", item.name, 
supp.\"supplier_id\", supp.name FROM " + JOIN_ITEM_TABLE_FULL_NAME + " item 
JOIN " + JOIN_SUPPLIER_TABLE_FULL_NAME + " supp ON item.\"supplier_id\" = 
supp.\"supplier_id\"";
        Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
        Connection conn = DriverManager.getConnection(getUrl(), props);
        try {
            PreparedStatement statement = conn.prepareStatement(query);
            ResultSet rs = statement.executeQuery();
            assertTrue (rs.next());
            assertEquals(rs.getString(1), "0000000001");
            assertEquals(rs.getString(2), "T1");
            assertEquals(rs.getString(3), "0000000001");
            assertEquals(rs.getString(4), "S1");
            assertTrue (rs.next());
            assertEquals(rs.getString(1), "0000000002");
            assertEquals(rs.getString(2), "T2");
            assertEquals(rs.getString(3), "0000000001");
            assertEquals(rs.getString(4), "S1");
            assertTrue (rs.next());
            assertEquals(rs.getString(1), "0000000003");
            assertEquals(rs.getString(2), "T3");
            assertEquals(rs.getString(3), "0000000002");
            assertEquals(rs.getString(4), "S2");
            assertTrue (rs.next());
            assertEquals(rs.getString(1), "0000000004");
            assertEquals(rs.getString(2), "T4");
            assertEquals(rs.getString(3), "0000000002");
            assertEquals(rs.getString(4), "S2");
            assertTrue (rs.next());
            assertEquals(rs.getString(1), "0000000005");
            assertEquals(rs.getString(2), "T5");
            assertEquals(rs.getString(3), "0000000005");
            assertEquals(rs.getString(4), "S5");
            assertTrue (rs.next());
            assertEquals(rs.getString(1), "0000000006");
            assertEquals(rs.getString(2), "T6");
            assertEquals(rs.getString(3), "0000000006");
            assertEquals(rs.getString(4), "S6");

            assertFalse(rs.next());
        } finally {
            conn.close();
        }
    }
{code}

to this

{code}
@Test
    public void testDefaultJoin() throws Exception {
        String query =
                "SELECT item.\"item_id\", item.name, supp.\"supplier_id\", 
supp.name " +
                "FROM " + JOIN_ITEM_TABLE_FULL_NAME + " item " +
                        "JOIN " + JOIN_SUPPLIER_TABLE_FULL_NAME + " supp " +
                        "ON item.\"supplier_id\" = supp.\"supplier_id\"";
        QueryTestUtil.on(getUrl())
                .verifyQueryResultsOrdered(query,
                        "0000000001", "T1", "0000000001", "S1",
                        "0000000002", "T2", "0000000001", "S1",
                        "0000000003", "T3", "0000000002", "S2",
                        "0000000004", "T4", "0000000002", "S2",
                        "0000000005", "T5", "0000000005", "S5",
                        "0000000006", "T6", "0000000006", "S6");
    }
{code}

> Add testing utility for table creation, population, and checking query results
> ------------------------------------------------------------------------------
>
>                 Key: PHOENIX-1295
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1295
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Gabriel Reid
>         Attachments: PHOENIX-1295-WIP1.patch
>
>
> Mostly due to the way the JDBC is structured in general, it's relatively 
> painful to create a simple test case that just creates a simple table, 
> populates it with a couple of rows, and checks the output of a query.
> Adding to this is the fact that there isn't really a single "right way" to 
> write simple unit tests in Phoenix. Some tests try to cleanly close 
> statements, ResultsSets, and Connections, while others don't. New tests of 
> this sort are often created by first copying an existing test.
> The end results is that a couple of simple test cases to test a new built-in 
> function often end up being mostly wresting with JDBC, with the actual test 
> case getting largely hidden in the noise.
> The purpose of this ticket is to propose a utility to simplify creating 
> tables, populating them, and verifying the output.
> The general API I have in mind is would look like this:
> {code}
>      QueryTestUtil.on(jdbcUrl)
>           .createTable("testtable",
>               "id integer not null primary key",
>               "name varchar")
>           .withRows(
>               1, "name1",
>               2, "name2",
>               3, "othername")
>           .verifyQueryResults(
>               "select id, name from testtable where name like 'name%'",
>               1, "name1",
>               2, "name2");
> {code}
> The intention is to make it much less painful to write tests, and also to 
> replace as enough existing test code to use this pattern so that new tests 
> being created based on existing code will also follow this pattern.



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