assertEquals("Email", columns[1]);
        assertEquals("Age", columns[2]);
        assertEquals("Department", columns[3]);

        // Verify row count
        final String rowCount = extractData.getValues("row_count")[0];
        assertEquals("4", rowCount);
    }

    public void test_getText_null() {
        try {
            csvExtractor.getText(null, null);
            fail();

            extractData.putValues("columns", headers);
            extractData.putValue("column_count", String.valueOf(headers.length));
        }

        extractData.putValue("row_count", String.valueOf(rows.size()));

        return extractData;
    }

    /**
     * Gets the character set from parameters or uses the default.
     *
     * @param params the parameters