@Test
public void jdbcCompliant_exception() throws SQLException {
Driver driver =
new MockDriver() {
@Override
public boolean jdbcCompliant() {
throw new NullPointerException();
}
};
HiveDriver d = new HiveDriver(getMockUtil(getMockShimWithDriver(driver)));
// should return false if there is an exception
assertFalse(d.jdbcCompliant());
}
@Test
public void getMinorVersion_exception() {
Driver driver =
new MockDriver() {
@Override
public int getMinorVersion() {
throw new NullPointerException();
}
};
HiveDriver d = new HiveDriver(getMockUtil(getMockShimWithDriver(driver)));
// If an exception is thrown the version returned should be -1
assertEquals(-1, d.getMinorVersion());
}
@Test
public void jdbcCompliant() throws SQLException {
final AtomicBoolean called = new AtomicBoolean(false);
Driver driver =
new MockDriver() {
@Override
public boolean jdbcCompliant() {
called.set(true);
return false;
}
};
HiveDriver d = new HiveDriver(getMockUtil(getMockShimWithDriver(driver)));
d.jdbcCompliant();
assertTrue(called.get());
}
@Test
public void getMinorVersion() throws SQLException {
final AtomicBoolean called = new AtomicBoolean(false);
Driver driver =
new MockDriver() {
@Override
public int getMinorVersion() {
called.set(true);
return 0;
}
};
HiveDriver d = new HiveDriver(getMockUtil(getMockShimWithDriver(driver)));
d.getMinorVersion();
assertTrue(called.get());
}
@Test
public void acceptsURL() throws SQLException {
final AtomicBoolean called = new AtomicBoolean(false);
Driver driver =
new MockDriver() {
@Override
public boolean acceptsURL(String url) throws SQLException {
called.set(true);
return false;
}
};
HiveDriver d = new HiveDriver(getMockUtil(getMockShimWithDriver(driver)));
d.acceptsURL(null);
assertTrue(called.get());
}
@Test
public void connect() throws SQLException {
final AtomicBoolean called = new AtomicBoolean(false);
Driver driver =
new MockDriver() {
@Override
public Connection connect(String url, Properties info) throws SQLException {
called.set(true);
return null;
}
};
HiveDriver d = new HiveDriver(getMockUtil(getMockShimWithDriver(driver)));
d.connect(null, null);
assertTrue(called.get());
}
@Test
public void getActiveDriver() throws SQLException {
final AtomicBoolean called = new AtomicBoolean(false);
HadoopShim shim =
new MockHadoopShim() {
public java.sql.Driver getJdbcDriver(String scheme) {
if (scheme.equalsIgnoreCase("hive")) {
called.set(true);
return new MockDriver();
} else return null;
}
};
HiveDriver d = new HiveDriver(getMockUtil(shim));
d.getActiveDriver();
assertTrue("Shim's getJdbcDriver(\"hive\") not called", called.get());
}
@Test
public void getActiveDriver_null_driver() {
HadoopShim shim =
new MockHadoopShim() {
public java.sql.Driver getJdbcDriver(String scheme) {
return null;
}
};
HiveDriver d = new HiveDriver(getMockUtil(shim));
try {
d.getActiveDriver();
fail("Expected exception");
} catch (SQLException ex) {
assertNull(ex.getCause());
assertEquals(
"The active Hadoop configuration does not contain a Hive JDBC driver", ex.getMessage());
}
}
@Test
public void getActiveDriver_same_driver() {
HadoopShim shim =
new MockHadoopShim() {
public java.sql.Driver getJdbcDriver(String scheme) {
// Return another shim driver. This should fail when called since the
// classes are the same
return (scheme.equalsIgnoreCase("hive")) ? new HiveDriver() : null;
}
};
HiveDriver d = new HiveDriver(getMockUtil(shim));
try {
d.getActiveDriver();
fail("Expected exception");
} catch (SQLException ex) {
assertNull(ex.getCause());
assertEquals(
"The active Hadoop configuration does not contain a Hive JDBC driver", ex.getMessage());
}
}
@Test
public void getActiveDriver_exception_in_getJdbcDriver() {
HadoopShim shim =
new MockHadoopShim() {
public java.sql.Driver getJdbcDriver(String scheme) {
if (scheme.equalsIgnoreCase("hive")) {
throw new RuntimeException();
} else {
return null;
}
}
};
HiveDriver d = new HiveDriver(getMockUtil(shim));
try {
d.getActiveDriver();
fail("Expected exception");
} catch (SQLException ex) {
assertEquals(InvocationTargetException.class, ex.getCause().getClass());
assertEquals(
"Unable to load Hive JDBC driver for the currently active Hadoop configuration",
ex.getMessage());
}
}