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[FAB-3407] Increase test coverage for mvcc validation
This CR - Introduces unit tests to improve the code coverage for package /fabric/core/ledger/kvledger/txmgmt/validator/statebasedval - Fixes a bug that was discovered by the new unit test for a boundary condition Change-Id: I2d7b41e3d721bfe6f4fc5869d22ffc7db66dc884 Signed-off-by: manish <manish.sethi@gmail.com>
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84 changes: 84 additions & 0 deletions
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core/ledger/kvledger/txmgmt/validator/statebasedval/range_query_validator_test.go
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/* | ||
Copyright IBM Corp. 2017 All Rights Reserved. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package statebasedval | ||
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import ( | ||
"testing" | ||
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"github.com/hyperledger/fabric/common/ledger/testutil" | ||
"github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/rwsetutil" | ||
"github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/statedb" | ||
"github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/statedb/stateleveldb" | ||
"github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/version" | ||
"github.com/hyperledger/fabric/protos/ledger/rwset/kvrwset" | ||
) | ||
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func TestRangeQueryBoundaryConditions(t *testing.T) { | ||
batch := statedb.NewUpdateBatch() | ||
batch.Put("ns1", "key1", []byte("value1"), version.NewHeight(1, 0)) | ||
batch.Put("ns1", "key2", []byte("value2"), version.NewHeight(1, 1)) | ||
batch.Put("ns1", "key3", []byte("value3"), version.NewHeight(1, 2)) | ||
batch.Put("ns1", "key4", []byte("value4"), version.NewHeight(1, 3)) | ||
batch.Put("ns1", "key5", []byte("value5"), version.NewHeight(1, 4)) | ||
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testcase1 := "NoResults" | ||
rqi1 := &kvrwset.RangeQueryInfo{StartKey: "key7", EndKey: "key10", ItrExhausted: true} | ||
rqi1.SetRawReads([]*kvrwset.KVRead{}) | ||
testRangeQuery(t, testcase1, batch, version.NewHeight(1, 4), "ns1", rqi1, true) | ||
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testcase2 := "NoResultsDuringValidation" | ||
rqi2 := &kvrwset.RangeQueryInfo{StartKey: "key7", EndKey: "key10", ItrExhausted: true} | ||
rqi2.SetRawReads([]*kvrwset.KVRead{rwsetutil.NewKVRead("key8", version.NewHeight(1, 8))}) | ||
testRangeQuery(t, testcase2, batch, version.NewHeight(1, 4), "ns1", rqi2, false) | ||
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testcase3 := "OneExtraTailingResultsDuringValidation" | ||
rqi3 := &kvrwset.RangeQueryInfo{StartKey: "key1", EndKey: "key4", ItrExhausted: true} | ||
rqi3.SetRawReads([]*kvrwset.KVRead{ | ||
rwsetutil.NewKVRead("key1", version.NewHeight(1, 0)), | ||
rwsetutil.NewKVRead("key2", version.NewHeight(1, 1)), | ||
}) | ||
testRangeQuery(t, testcase3, batch, version.NewHeight(1, 4), "ns1", rqi3, false) | ||
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testcase4 := "TwoExtraTailingResultsDuringValidation" | ||
rqi4 := &kvrwset.RangeQueryInfo{StartKey: "key1", EndKey: "key5", ItrExhausted: true} | ||
rqi4.SetRawReads([]*kvrwset.KVRead{ | ||
rwsetutil.NewKVRead("key1", version.NewHeight(1, 0)), | ||
rwsetutil.NewKVRead("key2", version.NewHeight(1, 1)), | ||
}) | ||
testRangeQuery(t, testcase4, batch, version.NewHeight(1, 4), "ns1", rqi4, false) | ||
} | ||
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func testRangeQuery(t *testing.T, testcase string, stateData *statedb.UpdateBatch, savepoint *version.Height, | ||
ns string, rqi *kvrwset.RangeQueryInfo, expectedResult bool) { | ||
t.Run(testcase, func(t *testing.T) { | ||
testDBEnv := stateleveldb.NewTestVDBEnv(t) | ||
defer testDBEnv.Cleanup() | ||
db, err := testDBEnv.DBProvider.GetDBHandle("TestDB") | ||
testutil.AssertNoError(t, err, "") | ||
if stateData != nil { | ||
db.ApplyUpdates(stateData, savepoint) | ||
} | ||
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itr, err := db.GetStateRangeScanIterator(ns, rqi.StartKey, rqi.EndKey) | ||
testutil.AssertNoError(t, err, "") | ||
validator := &rangeQueryResultsValidator{} | ||
validator.init(rqi, itr) | ||
isValid, err := validator.validate() | ||
testutil.AssertNoError(t, err, "") | ||
testutil.AssertEquals(t, isValid, expectedResult) | ||
}) | ||
} |
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