Implement “previously attached” part of CHA-RL4b1 #104
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (1)
Tests/AblyChatTests/DefaultRoomLifecycleManagerTests.swift (1)
Line range hint
975-1011: Consider refactoring duplicated code in test methodsThe test methods
contributorAttachEvent_withResumeFalse_withOperationInProgress_withContributorAttachedPreviously_recordsPendingDiscontinuityEventandcontributorAttachEvent_withResumeFalse_withOperationInProgress_withContributorNotAttachedPreviously_doesNotRecordPendingDiscontinuityEventshare similar setup and teardown code. To improve maintainability and adhere to the DRY (Don't Repeat Yourself) principle, consider extracting common code into helper functions or setup methods.Also applies to: 1015-1037
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (2)
Sources/AblyChat/RoomLifecycleManager.swift(4 hunks)Tests/AblyChatTests/DefaultRoomLifecycleManagerTests.swift(2 hunks)
🧰 Additional context used
📓 Learnings (2)
Sources/AblyChat/RoomLifecycleManager.swift (2)
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Sources/AblyChat/RoomLifecycleManager.swift:0-0
Timestamp: 2024-09-18T18:34:37.252Z
Learning: In `RoomLifecycleManager`, handling of unexpected contributor states after attach failure will be addressed in issue #49.
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Sources/AblyChat/RoomLifecycleManager.swift:0-0
Timestamp: 2024-10-08T15:58:47.376Z
Learning: In `RoomLifecycleManager`, handling of unexpected contributor states after attach failure will be addressed in issue #49.
Tests/AblyChatTests/DefaultRoomLifecycleManagerTests.swift (6)
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Tests/AblyChatTests/RoomLifecycleManagerTests.swift:627-631
Timestamp: 2024-10-08T15:58:47.376Z
Learning: The closure `detachImpl` in `RoomLifecycleManagerTests.swift` functions as intended without external state variables to track invocation count.
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Tests/AblyChatTests/RoomLifecycleManagerTests.swift:627-631
Timestamp: 2024-10-01T12:55:21.968Z
Learning: The closure `detachImpl` in `RoomLifecycleManagerTests.swift` functions as intended without external state variables to track invocation count.
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Tests/AblyChatTests/RoomLifecycleManagerTests.swift:335-335
Timestamp: 2024-09-23T19:56:39.435Z
Learning: In Swift Testing, test method names do not need to start with `test`.
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Sources/AblyChat/RoomLifecycleManager.swift:0-0
Timestamp: 2024-09-18T18:34:37.252Z
Learning: In `RoomLifecycleManager`, handling of unexpected contributor states after attach failure will be addressed in issue #49.
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Sources/AblyChat/RoomLifecycleManager.swift:0-0
Timestamp: 2024-10-08T15:58:47.376Z
Learning: In `RoomLifecycleManager`, handling of unexpected contributor states after attach failure will be addressed in issue #49.
Learnt from: lawrence-forooghian
PR: ably-labs/ably-chat-swift#54
File: Tests/AblyChatTests/RoomLifecycleManagerTests.swift:335-335
Timestamp: 2024-10-08T15:58:47.376Z
Learning: In Swift Testing, test method names do not need to start with `test`.
🔇 Additional comments (5)
Sources/AblyChat/RoomLifecycleManager.swift (5)
221-222: LGTM: Well-documented property addition.
The hasBeenAttached property is appropriately documented with a clear reference to the specification (CHA-RL1f).
241-242: LGTM: Proper initialization of new property.
The hasBeenAttached property is correctly initialized to false, which is the appropriate default state for new contributors.
Line range hint 381-392: LGTM: Correctly implements CHA-RL4b1 specification.
The implementation properly handles the "previously attached" case by checking both the resumed flag and hasBeenAttached state before recording a pending discontinuity event. This aligns with the PR objectives and fixes the potential crash during integration tests.
656-656: LGTM: Proper state update after successful attach.
The hasBeenAttached flag is correctly set to true after a successful attach operation, ensuring accurate state tracking.
Line range hint 381-392: Verify implementation matches specification requirements.
The implementation appears to correctly address the requirements, but let's verify the behavior matches the specification exactly.
Also applies to: 656-656
✅ Verification successful
Implementation correctly handles CHA-RL4b1 specification requirements
The implementation correctly handles the CHA-RL4b1 specification requirements by:
- Checking for non-resumed ATTACHED state changes during operations
- Verifying previous attachment state via
hasBeenAttachedflag - Recording discontinuity events when appropriate
- Properly handling error cases with precondition checks
The code follows the specification exactly and includes appropriate logging for debugging purposes. No issues were found in the implementation.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify the implementation matches CHA-RL4b1 specification requirements
# Test: Search for any other places where hasBeenAttached might need to be considered
rg -l "hasBeenAttached" --type swift
# Test: Search for any related test cases
rg -l "testPreviouslyAttached|testFirstAttach" --type swift
Length of output: 142
Script:
#!/bin/bash
# Let's verify the implementation more thoroughly
# Check the content of RoomLifecycleManager.swift to understand the full context
cat Sources/AblyChat/RoomLifecycleManager.swift
# Search for test files related to RoomLifecycleManager
fd "RoomLifecycleManager.*Test.*\.swift$"
# Search for any specification or documentation files
fd -e md | xargs rg -l "CHA-RL4b1"
Length of output: 46912
lawrence-forooghian
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Based on [1] at d9af7bf. I’m assuming that the “no call” in this spec point is a typo and means “a call”; have asked in [2]. Needed for when we integrate the room lifecycle manager into the rest of the SDK in #47 (else there will be a crash when running the integration tests, because a channel’s first ATTACHED status change has resumed == false and our precondition will fail). [1] ably/specification#200 [2] ably/specification#200 (comment)
lawrence-forooghian
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Based on ably/specification#200 at
d9af7bf. I’m assuming that the “no call” in this spec point is a typo and means “a call”; have asked in ably/specification#200 (comment).Needed for when we integrate the room lifecycle manager into the rest of the SDK in #47 (else there will be a crash when running the integration tests, because a channel’s first
ATTACHEDstatus change hasresumed == falseand our precondition will fail).Summary by CodeRabbit
New Features
Bug Fixes
Tests