java org.junit.runner.JUnitCore TestCase
JUnit version 4.10
.E..
Time: 0.28
There was 1 failure:
1) testDbNoChanges(TestCase)
org.dbunit.dataset.NoSuchTableException: Did not find table 'EVENTS' in schema 'null'
此错误是什么意思?我究竟做错了什么?为什么架构为空?
第二个测试,实际上测试了一个表,通过了。本应仅测试数据库的测试失败。这些表都在之前和之后。
mysql> show tables;
+---------------+
| Tables_in_cal |
+---------------+
| events |
| guests |
| test |
+---------------+
3 rows in set (0.00 sec)
我相信这是有用的代码段,但一切都在https://bitbucket.org/djeikyb/simple_dbunit
36 public class TestCase
37 {
38
39 private IDatabaseTester database_tester;
40
41
42 public IDataSet getDataSet() throws FileNotFoundException, DataSetException
43 {
44 return new FlatXmlDataSetBuilder().build(
45 /*
46 new FileInputStream("src/simple_dbunit/expected_dataset.xml"));
47 new FileInputStream("dataset.xml"));
48 */
49 new FileInputStream("dataset.xml"));
50 }
51
52
53 @Before
54 public void setUp() throws Exception
55 {
56 database_tester = new JdbcDatabaseTester("com.mysql.jdbc.Driver",
57 "jdbc:mysql://localhost/cal",
58 "cal",
59 "cal");
60 database_tester.setDataSet(getDataSet());
61 database_tester.onSetup();
62 }
63
64 @Test
65 public void testDbNoChanges() throws Exception
66 {
67 // expected
68 IDataSet expected_data_set = getDataSet();
69
70 // actual
71 IDatabaseConnection connection = database_tester.getConnection();
72 IDataSet actual_data_set = connection.createDataSet();
73
74 // test
75 Assertion.assertEquals(expected_data_set, actual_data_set);
76 }
77
78 @Test
79 public void testTableNoChanges() throws Exception
80 {
81 // expected
82 ITable expected_table = getDataSet().getTable("test");
83
84 // actual
85 IDatabaseConnection connection = database_tester.getConnection();
86 IDataSet actual_data_set = connection.createDataSet();
87 ITable actual_table = actual_data_set.getTable("test");
88
89 // test
90 Assertion.assertEquals(expected_table, actual_table);
91 }
92
93 @Test
94 public void testTableNoChanges1() throws Exception
95 {
96 // expected
97 ITable expected_table = getDataSet().getTable("test");
98
99 // actual
100 IDatabaseConnection connection = database_tester.getConnection();
101 IDataSet actual_data_set = connection.createDataSet();
102 ITable actual_table = actual_data_set.getTable("test");
103
104 // test
105 Assertion.assertEquals(expected_table, actual_table);
106 }
107
108 }
我很确定您还需要设置区分大小写的选项。您的数据库后端可能不喜欢大写表格名称请求!
我目前没有MySql环境,因此无法确认。但是我想我知道出了什么问题。
[当使用DBUnit使用其他数据库时,有时需要设置数据库指定的配置。这是MySql的示例:
IDatabaseConnection dbConn = getConnection();
dbConn.getConfig().setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY,
new MySqlDataTypeFactory());
dbConn.getConfig().setProperty(DatabaseConfig.PROPERTY_METADATA_HANDLER,
new MySqlMetadataHandler());
MySql中的目录/模式与其他数据库有些不同,因此,如果不使用MySqlMetadataHandler
,则永远找不到正确的表。
如果要使JdbcDatabaseTester
与MySql合作,则可以对其进行扩展并覆盖getConnection()
方法,如下所示:
public class MySqlDatabaseTester extends JdbcDatabaseTester {
...
@Override
public IDatabaseConnection getConnection() throws Exception {
IDatabaseConnection dbConn = super.getConnection();
dbConn.getConfig().setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY,
new MySqlDataTypeFactory());
dbConn.getConfig().setProperty(DatabaseConfig.PROPERTY_METADATA_HANDLER,
new MySqlMetadataHandler());
return dbConn;
}
}
或在测试用例中简单地将MySqlConnection
用作IDatabaseConnection
。
在数据集文件夹中添加dbunit.yml文件。并设置下一个属性:
caseInsensitiveStrategy: !!com.github.database.rider.core.api.configuration.Orthography 'LOWERCASE'
properties:
caseSensitiveTableNames: false
它会禁用区分大小写的选项。