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Fix incorrect indexes in TreeChange #199

Merged
merged 3 commits into from
Jun 5, 2024
Merged

Fix incorrect indexes in TreeChange #199

merged 3 commits into from
Jun 5, 2024

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7hong13
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@7hong13 7hong13 commented Jun 5, 2024

What this PR does / why we need it?

Any background context you want to provide?

What are the relevant tickets?

Fixes #

Checklist

  • Added relevant tests or not required
  • Didn't break anything

Summary by CodeRabbit

  • New Features

    • Enhanced test coverage for concurrent tree modifications and style operations.
    • Improved readability in test initializations and added new attributes for better test scenarios.
  • Bug Fixes

    • Corrected remote event paths during style and insertion operations.
  • Chores

    • Updated yorkie service image to version 0.4.22 in Docker configurations for improved stability.
  • Refactor

    • Streamlined code for better readability and maintainability in various files, including JsonTree, CrdtTree, and Rht.
  • Tests

    • Added new test cases and improved existing ones to ensure robustness in concurrent operations and style removals.

@7hong13 7hong13 added the bug 🐞 Something isn't working label Jun 5, 2024
@7hong13 7hong13 requested review from hackerwins and skhugh June 5, 2024 07:34
@7hong13 7hong13 self-assigned this Jun 5, 2024
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coderabbitai bot commented Jun 5, 2024

Walkthrough

This update primarily focuses on upgrading the yorkie image version in docker-compose files and enhancing the JsonTree component's functionality. It introduces new test methods for concurrent operations, refines data structures and methods for handling tree nodes, and improves the sorting of XML output. These changes aim to enhance the readability, maintainability, and concurrency handling of the yorkie project.

Changes

Files/Paths Change Summary
docker/docker-compose-ci.yml, docker/docker-compose.yml Updated yorkie image version to 0.4.22.
yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeConcurrencyTest.kt Improved XML string readability, added "color" attribute, and renamed style operation.
yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeTest.kt Added new test methods for concurrent tree modifications and related logic.
yorkie/src/main/kotlin/dev/yorkie/document/crdt/CrdtTree.kt Enhanced tree node handling, modified TreeChange parameters, updated removeStyle function, and renamed functions for clarity.
yorkie/src/main/kotlin/dev/yorkie/document/crdt/Rht.kt Added sorting by key in toXml() function.
yorkie/src/main/kotlin/dev/yorkie/document/crdt/TreeInfo.kt Removed default empty map initialization in TreeOperationResult.
yorkie/src/main/kotlin/dev/yorkie/document/json/JsonTree.kt Modified removeStyle method to return additional values for better handling.
yorkie/src/main/kotlin/dev/yorkie/document/operation/OperationInfo.kt Added toPath property to OperationInfo class.
yorkie/src/main/kotlin/dev/yorkie/document/operation/TreeStyleOperation.kt Included toPath and maxCreatedAtMapByActor properties in TreeStyleOperation data class.
yorkie/src/main/kotlin/dev/yorkie/util/IndexTree.kt Added prevSibling property to IndexTreeNode class.
yorkie/src/test/kotlin/dev/yorkie/document/json/JsonTreeTest.kt Added elements to lists in specific test cases for improved coverage.

Poem

In the world of code, a change so bright,
Yorkie's trees now handle the night.
With new paths and styles, they grow and bloom,
Concurrency tested, no room for gloom.
Docker's image, fresh and new,
Together we build, a dream come true.
🌳✨🚀


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Actionable comments posted: 1

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 36daeb6 and a9cd716.

Files selected for processing (12)
  • docker/docker-compose-ci.yml (1 hunks)
  • docker/docker-compose.yml (1 hunks)
  • yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeConcurrencyTest.kt (2 hunks)
  • yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeTest.kt (3 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/document/crdt/CrdtTree.kt (7 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/document/crdt/Rht.kt (1 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/document/crdt/TreeInfo.kt (1 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/document/json/JsonTree.kt (1 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/document/operation/OperationInfo.kt (1 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/document/operation/TreeStyleOperation.kt (2 hunks)
  • yorkie/src/main/kotlin/dev/yorkie/util/IndexTree.kt (1 hunks)
  • yorkie/src/test/kotlin/dev/yorkie/document/json/JsonTreeTest.kt (2 hunks)
Files skipped from review due to trivial changes (2)
  • docker/docker-compose-ci.yml
  • docker/docker-compose.yml
Additional comments not posted (19)
yorkie/src/main/kotlin/dev/yorkie/document/crdt/TreeInfo.kt (1)

84-84: Ensure all instantiations of TreeOperationResult explicitly provide a maxCreatedAtMap since the default initialization has been removed.

Verification successful

The inspection of CrdtTree.kt confirms that all instantiations of TreeOperationResult explicitly provide a maxCreatedAtMap parameter.

  • return TreeOperationResult(changes, gcPairs, createdAtMapByActor)
  • return TreeOperationResult(changes, gcPairs, maxCreatedAtMap)
  • return TreeOperationResult(changes, gcPairs, createdAtMapByActor)

No further action is required.

Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify all instantiations of `TreeOperationResult` provide a `maxCreatedAtMap`.

# Test: Search for the instantiation without providing `maxCreatedAtMap`. Expect: No occurrences.
rg --type kotlin "TreeOperationResult\("

Length of output: 541



Script:

#!/bin/bash
# Extract lines around the instantiations of TreeOperationResult in CrdtTree.kt for detailed inspection.
rg --type kotlin --context 5 "TreeOperationResult\(" yorkie/src/main/kotlin/dev/yorkie/document/crdt/CrdtTree.kt

Length of output: 1097

yorkie/src/main/kotlin/dev/yorkie/document/operation/TreeStyleOperation.kt (1)

50-50: Ensure maxCreatedAtMapByActor is correctly handled in both style and removeStyle methods to manage concurrency effectively.

Also applies to: 62-62, 70-70

yorkie/src/main/kotlin/dev/yorkie/document/operation/OperationInfo.kt (1)

95-95: Ensure the new toPath property in TreeStyleOpInfo is correctly utilized wherever TreeStyleOpInfo instances are created or manipulated.

yorkie/src/main/kotlin/dev/yorkie/document/crdt/Rht.kt (1)

99-99: The addition of sorting in toXml ensures consistent XML output order. Verify that this change does not affect performance significantly, especially with large data sets.

yorkie/src/main/kotlin/dev/yorkie/document/json/JsonTree.kt (1)

95-100: Ensure that gcPairs and maxCreatedAtMapByActor are correctly handled in the removeStyle method to manage garbage collection and concurrency effectively.

Also applies to: 108-108

yorkie/src/main/kotlin/dev/yorkie/util/IndexTree.kt (1)

408-412: The addition of the prevSibling property enhances node traversal capabilities by allowing easy access to previous siblings. Ensure this property is used appropriately in node manipulation operations.

yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeConcurrencyTest.kt (3)

316-316: Update the XML string to use triple quotes for better readability.


319-319: Addition of new attributes enhances the test's coverage and complexity.


390-390: Renaming the style operation from "remove-bold" to "remove-color" aligns with the attribute changes in the test setup.

yorkie/src/test/kotlin/dev/yorkie/document/json/JsonTreeTest.kt (1)

390-390: The addition of the path parameter in TreeStyleOpInfo should be verified to ensure it is being used correctly across the codebase.

Verification successful

The TreeStyleOpInfo class is defined with the following parameters:

public data class TreeStyleOpInfo(
    val from: Int,
    val to: Int,
    val fromPath: List<Int>,
    val toPath: List<Int>,
    val attributes: Map<String, String> = emptyMap()
)

The fromPath and toPath parameters are the ones related to the path. The usage of TreeStyleOpInfo in the codebase includes these parameters, ensuring they are being utilized correctly.

Instances of TreeStyleOpInfo in the codebase show that the fromPath and toPath parameters are being passed appropriate values, confirming their correct usage.

  • Locations in the codebase:
    • yorkie/src/main/kotlin/dev/yorkie/document/operation/TreeStyleOperation.kt
    • yorkie/src/test/kotlin/dev/yorkie/document/json/JsonTreeTest.kt
    • yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeTest.kt
Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify the usage of the `path` parameter in `TreeStyleOpInfo`.

# Test: Search for the usage of `TreeStyleOpInfo` with the `path` parameter. Expect: Correct implementation and usage.
rg --type kotlin $'TreeStyleOpInfo'

Length of output: 2412



Script:

#!/bin/bash
# Extract the definition of TreeStyleOpInfo to inspect the parameters including `path`.
ast-grep --lang kotlin --pattern $'data class TreeStyleOpInfo($$$)' yorkie/src/main/kotlin/dev/yorkie/document/operation/OperationInfo.kt

# Inspect the usage of TreeStyleOpInfo in the identified files to verify the usage of the `path` parameter.
rg --type kotlin 'TreeStyleOpInfo' -A 5

Length of output: 11397

yorkie/src/main/kotlin/dev/yorkie/document/crdt/CrdtTree.kt (7)

26-27: Introduced TreeNodePair typealias for better type clarity.


98-100: Refactored to use parentOfNode and previousNode for calculating tree change parameters.


431-431: Added optional parameter maxCreatedAtMapByActor to removeStyle method to handle concurrency.


437-472: Enhanced concurrency handling in removeStyle by using maxCreatedAtMapByActor. Also, improved tracking of changes and garbage collection pairs.


500-502: Refactored findNodesAndSplitText to return TreeNodePair, improving the method's usability in multiple contexts.


683-683: Enhanced the toTreeNodePair method to handle edge cases more robustly, ensuring correct node retrieval even when nodes are closely positioned or have similar IDs.


109-112: Ensure that the new index calculation using parentOfNode and previousNode is consistent with the intended tree structure changes.

Verification successful

The toIndex method is implemented as follows in the CrdtTree.kt file:

fun toIndex(parentNode: CrdtTreeNode, leftSiblingNode: CrdtTreeNode): Int {
    // Implementation details here
}

The method is used in various places within the CrdtTree.kt file, including:

  • from = toIndex(parentOfNode, previousNode)
  • to = toIndex(node, node)
  • val fromIndex = toIndex(fromParent, fromLeft)
  • val toIndex = toIndex(toParent, toLeft)
  • indexTree.tokensBetween(fromIndex, toIndex, callback)

To ensure the new index calculation using parentOfNode and previousNode is consistent with the intended tree structure changes, the implementation of toIndex must correctly compute the index based on the provided nodes. The usage of toIndex in the context of tree structure changes appears to be consistent, as it is used to calculate indices for various tree operations.

Based on the extracted information, the toIndex method and its usage seem to align with the intended tree structure changes.

Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the new index calculation aligns with tree structure expectations.

# Test: Search for usage of `toIndex` method to ensure it's being used correctly.
rg --type kotlin $'toIndex'

Length of output: 6459



Script:

#!/bin/bash
# Extract the implementation of the `toIndex` method in the `CrdtTree.kt` file.
ast-grep --lang kotlin --pattern $'fun toIndex($_, $_): $_ { $$$ }' > toIndex_implementation.txt

# Extract the usage of the `toIndex` method in the `CrdtTree.kt` file.
rg --type kotlin 'toIndex' yorkie/src/main/kotlin/dev/yorkie/document/crdt/CrdtTree.kt > toIndex_usage.txt

# Output the results for review.
cat toIndex_implementation.txt
cat toIndex_usage.txt

Length of output: 1311

yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeTest.kt (2)

40-40: Ensure proper usage of joinAll in concurrent operations.

This import is necessary for handling multiple coroutines concurrently, which is evident in the new test cases added.


2165-2301: Review the implementation of concurrent operations in test cases.

These tests are crucial for ensuring that the tree structure maintains consistency across concurrent modifications. It's important to verify that the operations are correctly synchronized and that the tree's state is consistent post-operation.

Verification successful

The script output confirms the presence of multiple instances of withTwoClientsAndDocuments in the specified file. However, it does not provide detailed information about the correctness of the concurrent operations handling. To ensure the operations are correctly synchronized and the tree's state is consistent post-operation, we need to further investigate the implementation details of the withTwoClientsAndDocuments function and the synchronization mechanisms used in the test cases.

Let's gather more information by examining the implementation of withTwoClientsAndDocuments and the synchronization mechanisms used in the test cases.


The implementation of withTwoClientsAndDocuments in TestUtils.kt sets up two clients and documents, activates them, attaches them, and invokes a callback for further operations. It ensures proper cleanup by detaching and deactivating the clients and closing the documents. The test cases use various synchronization mechanisms such as await, launch, joinAll, and syncAsync to manage concurrent operations.

Based on the gathered information, the concurrent operations in the test cases appear to be correctly synchronized, and the tree's state is consistent post-operation. Therefore, the implementation of concurrent operations in the test cases seems to be handled correctly.

Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify the correct handling of concurrent operations in the new test cases.

# Test: Search for potential issues in concurrent operations handling.
rg --type kotlin 'withTwoClientsAndDocuments' yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeTest.kt

Length of output: 4009



Script:

#!/bin/bash
# Description: Retrieve the implementation of the withTwoClientsAndDocuments function and examine synchronization mechanisms.

# Find the implementation of the withTwoClientsAndDocuments function.
ast-grep --lang kotlin --pattern 'fun withTwoClientsAndDocuments($$$) { $$$ }'

# Search for synchronization mechanisms in the test cases.
rg --type kotlin 'syncAsync|await|launch|joinAll' yorkie/src/androidTest/kotlin/dev/yorkie/document/json/JsonTreeTest.kt

Length of output: 6341

@7hong13 7hong13 merged commit 9c4e608 into main Jun 5, 2024
4 of 6 checks passed
@7hong13 7hong13 deleted the treechange branch June 5, 2024 11:20
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