feat:add test for redis commands, including LPush, RPushX, BgSave, FlushDb and SetEx

[tsinow]

add list test in list_test.go
add bgsave test ,flushdb test and info test in server_test.go
add setex test in string_test.go

Summary by CodeRabbit

• New Features

  • Enhanced integration test coverage for Redis commands, including LPush, RPushX, BgSave, FlushDb, and SetEx.
  • Added validations for data persistence and expiration functionalities.

• Tests

  • Introduced new test cases to ensure proper functionality of list operations, background saving, database flushing, and key expiration.

[coderabbitai]

Walkthrough

The pull request introduces several new test cases across multiple files to enhance the integration testing of Redis commands. It includes tests for list operations (LPush and RPushX), server commands (BgSave, FlushDb, and Info), and string commands (SetEx). Each test validates the expected behavior of the respective commands, ensuring proper functionality and error handling.

Changes

Files	Change Summary
tests/integration/list_test.go	Added a test case for LPush and RPushX commands to verify list operations and error handling.
tests/integration/server_test.go	Added tests for BgSave, FlushDb, and Info commands to validate data persistence and clearing.
tests/integration/string_test.go	Added a test case for SetEx to check key expiration functionality.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Redis

    Client->>Redis: LPush list1, [1, 2, 3]
    Redis-->>Client: Success, count returned
    Client->>Redis: Get list1
    Redis-->>Client: Error (wrong type)
    Client->>Redis: LRange list1
    Redis-->>Client: [3, 2, 1]
    Client->>Redis: RPushX list1, 5
    Redis-->>Client: Success
    Client->>Redis: LRange list1
    Redis-->>Client: [3, 2, 1, 5]

Loading

🐰 In the garden, we hop and play,
New tests added to brighten the day!
With lists and strings, we check and see,
Redis commands work joyfully!
So let’s celebrate, with a leap and a cheer,
Our code is stronger, the vision is clear! 🌼

---

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[coderabbitai]

Actionable comments posted: 0

Outside diff range and nitpick comments (2)

tests/integration/server_test.go (2)

164-185: Test Approved with Suggestion

The test covers the essential aspects of the BgSave functionality by setting keys, invoking the command, and verifying that a dump file is created. The logic is correct.

Suggestion:
Consider verifying the contents of the created dump file to ensure that the keys and values are correctly persisted. This will provide additional confidence in the BgSave implementation.

---

481-491: Test Approved with Suggestion

The test covers the basic functionality of the Info command by invoking it with no arguments and with the all argument after a one-second delay. The logic is correct, and the delay ensures that the server has time to update its information.

Suggestion:
Consider verifying the presence and values of specific information fields returned by the Info command. This will provide a more comprehensive test coverage and ensure that the command returns the expected information.

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 7622e91 and de446fd.

Files selected for processing (3)

• tests/integration/list_test.go (1 hunks)
• tests/integration/server_test.go (3 hunks)
• tests/integration/string_test.go (1 hunks)

Additional comments not posted (3)

tests/integration/server_test.go (1)

187-195: Test Approved

The test effectively verifies the FlushDb functionality by invoking the command and checking that no keys exist in the database afterward. The logic is correct, and the use of the Keys command with the * pattern ensures a comprehensive check.

tests/integration/string_test.go (1)

800-817: LGTM!

The test case thoroughly covers the behavior of the SetEx command with expiration. It sets the key with the correct value and expiration, verifies the key's existence and value before expiration, waits for the key to expire, runs compaction, and confirms the key's removal after expiration. The test case is well-structured and does not have any apparent issues.

tests/integration/list_test.go (1)

1295-1316: LGTM!

This test case comprehensively covers the functionality of LPush and RPushX commands. It checks for successful execution, validates error handling when using Get on a list, verifies the correct order of elements after pushing, and confirms the behavior of RPushX when appending to an existing list. The test is well-structured and appears to be correct.