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HBASE-22382 Refactor tests in TestFromClientSide #385

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Merged
merged 4 commits into from
Jul 24, 2019
Merged

HBASE-22382 Refactor tests in TestFromClientSide #385

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f2d99cc
HBASE-22382. Refactored testNull() into multiple tests
anmolnar Jul 15, 2019
8536682
HBASE-22382. Suppress checkstyle warning on testVersionLimits() and t…
anmolnar Jul 15, 2019
dfe1d5b
HBASE-22382. Change test naming to camel case
anmolnar Jul 19, 2019
ddcd7ef
HBASE-22382. Refactored test to take advantage of JUnit expected exce…
anmolnar Jul 23, 2019
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47 changes: 32 additions & 15 deletions hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1155,21 +1155,25 @@ public void testSingleRowMultipleFamily() throws Exception {
}
}

@Test
public void testNull() throws Exception {
final TableName tableName = TableName.valueOf(name.getMethodName());

@Test(expected = IOException.class)
public void testNullTableName() throws IOException {
// Null table name (should NOT work)
try {
TEST_UTIL.createTable((TableName)null, FAMILY);
fail("Creating a table with null name passed, should have failed");
} catch(Exception e) {}
TEST_UTIL.createTable((TableName)null, FAMILY);
fail("Creating a table with null name passed, should have failed");
}

@Test(expected = IOException.class)
public void testNullFamilyName() throws IOException {
final TableName tableName = TableName.valueOf(name.getMethodName());

// Null family (should NOT work)
try {
TEST_UTIL.createTable(tableName, new byte[][]{null});
fail("Creating a table with a null family passed, should fail");
} catch(Exception e) {}
TEST_UTIL.createTable(tableName, new byte[][]{null});
fail("Creating a table with a null family passed, should fail");
}

@Test
public void testNullRowAndQualifier() throws Exception {
final TableName tableName = TableName.valueOf(name.getMethodName());

try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {

Expand Down Expand Up @@ -1201,9 +1205,13 @@ public void testNull() throws Exception {
assertEmptyResult(result);
}
}
}

// Use a new table
try (Table ht = TEST_UTIL.createTable(TableName.valueOf(name.getMethodName() + "2"), FAMILY)) {
@Test
public void testNullEmptyQualifier() throws Exception {
final TableName tableName = TableName.valueOf(name.getMethodName());

try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {

// Empty qualifier, byte[0] instead of null (should work)
try {
Expand Down Expand Up @@ -1232,9 +1240,16 @@ public void testNull() throws Exception {
assertEmptyResult(result);

} catch (Exception e) {
throw new IOException("Using a row with null qualifier threw exception, should ");
throw new IOException("Using a row with null qualifier should not throw exception");
}
}
}

@Test
public void testNullValue() throws IOException {
final TableName tableName = TableName.valueOf(name.getMethodName());

try (Table ht = TEST_UTIL.createTable(tableName, FAMILY)) {
// Null value
try {
Put put = new Put(ROW);
Expand Down Expand Up @@ -1550,6 +1565,7 @@ public void testVersions() throws Exception {
}

@Test
@SuppressWarnings("checkstyle:MethodLength")
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@Apache9 Apache9 Jul 23, 2019

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Maybe in the future we will also split these methods so let's do not suppress the warning?

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@anmolnar anmolnar Jul 23, 2019

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I tried to do so. But it seems to me that these tests are doing a sequence of operations which cannot be broken without doing a lot of redundant initialisation logic. I believe that the gain of making these tests smaller doesn't overcome the hit on the efficiency.

To be honest, checkstyle rule for maximizing the size of integration tests doesn't make sense to me.

public void testVersionLimits() throws Exception {
final TableName tableName = TableName.valueOf(name.getMethodName());
byte [][] FAMILIES = makeNAscii(FAMILY, 3);
Expand Down Expand Up @@ -5965,6 +5981,7 @@ public void testNullWithReverseScan() throws Exception {
}

@Test
@SuppressWarnings("checkstyle:MethodLength")
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@Apache9 Apache9 Jul 23, 2019

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Ditto.

public void testDeletesWithReverseScan() throws Exception {
final TableName tableName = TableName.valueOf(name.getMethodName());
byte[][] ROWS = makeNAscii(ROW, 6);
Expand Down