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@kohsuke kohsuke commented Dec 23, 2024

Summary by CodeRabbit

  • New Features
    • Introduced a new command-line option --goal-spec for the subset command, allowing users to define programmatic goals for test subsetting.
  • Bug Fixes
    • Enhanced error handling in the ReportParser class for clearer feedback on file not found and JSON decoding issues.
    • Improved error reporting in the TagMatcher class for invalid tag specifications.
  • Tests
    • Added a new test method to verify the correct translation of the --goal-spec option into a JSON request payload.
    • Updated test result JSON files to reflect new test cases and modifications in existing test case statuses and durations.

I was working on a separate change but when I tried to commit that
change, it failed with pre-commit, so I'm first fixing those errors.
@kohsuke kohsuke requested a review from Konboi December 23, 2024 22:45
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coderabbitai bot commented Dec 23, 2024

Walkthrough

The pull request introduces several modifications across multiple files in the Launchable project. Key changes include adding a new --goal-spec option to the subset command, enhancing error handling in various test runners, and updating import statements. The modifications primarily focus on improving functionality, error reporting, and code organization without significantly altering the core logic of existing components.

Changes

File Change Summary
launchable/commands/inspect/tests.py Added require_session import from ..helper module
launchable/commands/record/case_event.py Reordered imports from typing and junitparser
launchable/commands/subset.py Added --goal-spec command-line option with new payload construction logic
launchable/test_runners/flutter.py Improved error handling and result parsing in ReportParser
launchable/test_runners/prove.py Reinstated re module import
launchable/utils/sax.py Added click library import for enhanced error handling
tests/commands/test_subset.py Added test_subset_goalspec method to test new goal specification feature

Sequence Diagram

sequenceDiagram
    participant User
    participant SubsetCommand
    participant LaunchableServer
    
    User->>SubsetCommand: Invoke with --goal-spec
    SubsetCommand->>SubsetCommand: Construct payload
    SubsetCommand->>LaunchableServer: POST request with goal spec
    LaunchableServer-->>SubsetCommand: Return subset results
    SubsetCommand-->>User: Display subset results
Loading

Poem

🐰 A Rabbit's Ode to Code Refinement 🔧

With imports dancing, neat and bright,
Goal specs now shine with clever might
Runners robust, errors at bay
Launchable leaps in its own way
Coding magic, rabbit's delight! 🚀

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Actionable comments posted: 0

🔭 Outside diff range comments (2)
tests/data/playwright/record_test_result_with_json.json (1)

Line range hint 1-2409: Review test execution patterns and reliability issues

The test results reveal several concerns that should be addressed:

  1. Inconsistent timeout settings:

    • The timeout-example tests are using an extremely short timeout of 1ms which is causing artificial failures
    • This is not a realistic timeout value for web navigation tests
  2. Retry patterns show potential flakiness:

    • Multiple tests are being retried up to 3 times
    • The retry-example tests consistently fail first and succeed only on the final retry
    • This indicates underlying stability issues that should be investigated

Consider the following improvements:

- test.setTimeout(1);
+ test.setTimeout(30000); // Use a realistic timeout for web navigation
  1. Implement proper test stability:

    • Add proper wait conditions instead of relying on retries
    • Consider using test fixtures for setup/teardown
    • Add logging to help debug intermittent failures
    • Monitor and track flaky tests separately
  2. Standardize test configuration:

    • Define standard timeout values in a shared config
    • Document retry policies and when they should be used
    • Consider separating slow/unstable tests into different test suites
tests/data/playwright/report.json (1)

Line range hint 4-4: Test timeout configuration needs adjustment

The test timeout of 1ms is unrealistically short and causing consistent test failures. This appears to be intentional for demonstration purposes, but in a real test suite, this would need to be increased to a more practical value.

Consider increasing the timeout to a more realistic value:

-  test.setTimeout(1);
+  test.setTimeout(30000); // 30 seconds is a common default timeout
🧹 Nitpick comments (3)
launchable/commands/subset.py (1)

194-194: Ensure consistent parameter ordering for readability
Adding goal_spec toward the end of the parameter list is fine, but consider rearranging the function signature to keep related parameters closer, e.g., near target/confidence/duration for a more logical grouping.

tests/data/playwright/record_test_result_with_json.json (1)

Line range hint 1-10: Improve test result data structure

The JSON structure could be enhanced to better support test analytics and debugging:

Consider adding:

  • Test environment information
  • Test run metadata (CI build number, git commit, etc.)
  • Aggregated statistics (total duration, pass/fail counts)
  • Links to test artifacts (screenshots, videos, logs)
tests/data/playwright/report.json (1)

Line range hint 1-3618: Test reliability improvements needed

The test report shows several flaky tests that require multiple retries before passing. While the retry mechanism is handling these cases, it would be better to address the root causes of the flakiness.

Consider:

  1. Adding proper wait conditions before assertions
  2. Implementing more stable test selectors
  3. Adding logging to help debug intermittent failures
  4. Setting up test data in a more reliable way
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 408ab6c and 1d4b925.

📒 Files selected for processing (13)
  • launchable/commands/inspect/tests.py (1 hunks)
  • launchable/commands/record/case_event.py (1 hunks)
  • launchable/commands/subset.py (3 hunks)
  • launchable/test_runners/flutter.py (0 hunks)
  • launchable/test_runners/prove.py (1 hunks)
  • launchable/utils/sax.py (1 hunks)
  • tests/commands/test_subset.py (1 hunks)
  • tests/data/cucumber/report/result.json (1 hunks)
  • tests/data/flutter/record_test_result.json (1 hunks)
  • tests/data/playwright/record_test_result.json (1 hunks)
  • tests/data/playwright/record_test_result_with_json.json (1 hunks)
  • tests/data/playwright/report.json (1 hunks)
  • tests/data/playwright/report.xml (1 hunks)
💤 Files with no reviewable changes (1)
  • launchable/test_runners/flutter.py
✅ Files skipped from review due to trivial changes (6)
  • tests/data/playwright/report.xml
  • launchable/commands/inspect/tests.py
  • tests/data/cucumber/report/result.json
  • tests/data/flutter/record_test_result.json
  • launchable/commands/record/case_event.py
  • launchable/test_runners/prove.py
🔇 Additional comments (6)
launchable/utils/sax.py (1)

7-7: Validate new dependency import for CLI error handling
Importing click here looks good for raising CLI-related exceptions in TagMatcher. This improves consistency for error reporting within the CLI context.

tests/commands/test_subset.py (1)

211-243: Good test coverage for the --goal-spec functionality
This test method thoroughly verifies how the new '--goal-spec' command-line argument is included in the payload. The usage of mocked responses and assertions on the JSON payload effectively ensures correctness.

launchable/commands/subset.py (2)

46-51: Appropriate use of click.option for --goal-spec
Defining the '--goal-spec' option with a clear help message, string type, and variable name is well-structured.


441-445: Seamless integration of goal_spec in the payload
This block correctly checks if goal_spec is set and updates the “goal” object accordingly. It aligns well with the new requirement, ensuring backward compatibility with existing subsetting logic.

tests/data/playwright/record_test_result.json (1)

1683-1683: No substantive changes detected
The final closing brace simply marks the end of the file. No action needed.

tests/data/playwright/report.json (1)

Line range hint 5-7: Verify retry mechanism effectiveness

The retry mechanism is working as designed but the test conditions make it consistently fail. The test expects "Playflight" in the title but checks against the actual Playwright website which has a different title.

Run this script to analyze the retry patterns:

✅ Verification successful

The previous command didn't yield results because we need to focus on the specific report file. Let's analyze the test failures and verify if there are any tests with "Playflight" in their titles to confirm the review comment's claim.


The error logs show that the test is failing because it's expecting "Playflight" in the title but getting "Fast and reliable end-to-end testing for modern web apps | Playwright". Let's examine the test file to understand the retry mechanism and verify if it's working as intended.


Let's try to locate the test file with a broader search pattern to understand the retry mechanism implementation.


Retry mechanism is functioning correctly but test expectations need adjustment

Based on the error logs from the test results, the retry mechanism is working as designed. The test is consistently failing because it's looking for "Playflight" in the page title but the actual Playwright website returns "Fast and reliable end-to-end testing for modern web apps | Playwright". The test logic (testInfo.retry > 2 ? "Playwright" : "Playflight") shows this is intentional behavior to demonstrate retry functionality.

  • The test expects "Playflight" for the first 3 retries (retry ≤ 2)
  • It expects "Playwright" after that (retry > 2)
  • Error logs show consistent behavior matching this logic
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Analyze retry patterns in test results
rg -A 5 "retry.*status.*failed" | grep -E "retry|duration|status"

Length of output: 67


Script:

#!/bin/bash
# Let's search for test failures and retries in the report
rg -A 10 '"status":\s*"failed"' tests/data/playwright/report.json

# Also search for any test titles containing "Playflight"
rg '"title".*Playflight' tests/data/playwright/report.json

Length of output: 70599


Script:

#!/bin/bash
# Let's examine the test file to understand the retry logic
fd "retry.*\.spec\.ts" | xargs cat

Length of output: 36


Script:

#!/bin/bash
# Try finding the test file with a more general pattern
fd "\.spec\.ts$" | xargs cat

# Also search for retry-related test files in case they're in a different location
rg -l "retry.*test" --type ts

Length of output: 211

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LGTM


I believe the goal spec document will be published later

@kohsuke kohsuke merged commit 9307ba8 into main Dec 24, 2024
17 checks passed
@kohsuke kohsuke deleted the AIENG-23 branch December 24, 2024 03:38
@github-actions github-actions bot mentioned this pull request Dec 24, 2024
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3 participants