Add timeout middleware migrator#144
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WalkthroughA new migration function, Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant MigrationRunner
participant MigrateTimeoutConfig
User->>MigrationRunner: Initiate v3 migrations
MigrationRunner->>MigrateTimeoutConfig: Run migration on project directory
MigrateTimeoutConfig->>MigrationRunner: Rewrite timeout.New usages, log message
MigrationRunner->>User: Migration complete
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📜 Recent review detailsConfiguration used: CodeRabbit UI 📒 Files selected for processing (3)
🧰 Additional context used🧠 Learnings (2)📓 Common learningscmd/internal/migrations/v3/common_test.go (8)🧬 Code Graph Analysis (3)cmd/internal/migrations/lists.go (1)
cmd/internal/migrations/v3/common_test.go (1)
cmd/internal/migrations/v3/common.go (1)
🔇 Additional comments (3)
✨ Finishing Touches
🧪 Generate unit tests
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Summary of Changes
Hello @ReneWerner87, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request introduces a new migration tool designed to automatically update the usage of the timeout middleware in Go applications. The primary goal is to adapt existing codebases to a new configuration parameter structure for the timeout.New function, streamlining the upgrade process for users and ensuring compatibility with updated API definitions.
Highlights
- New Migration Tool: A new
MigrateTimeoutConfigfunction has been added to automatically updatetimeout.Newmiddleware calls. This migrator transforms the oldtimeout.New(handler, duration)syntax to the newtimeout.New(handler, timeout.Config{Timeout: duration})format, adapting to a new configuration parameter structure. - Migration Integration: The newly created
MigrateTimeoutConfighas been integrated into the existing v3 migration list incmd/internal/migrations/lists.go(line 57), ensuring it runs as part of the standard migration process for GoFiber applications. - Test Coverage: A dedicated test case,
Test_MigrateTimeoutConfig, has been added incmd/internal/migrations/v3/common_test.go(lines 782-804) to verify the correct functionality of the new timeout middleware migrator, ensuring it accurately transforms the code as intended.
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Code Review
This pull request adds a migration for timeout middleware usage. The regular expression used for the migration is not fully robust and can fail on multi-line function calls, and it is not idempotent. I've suggested an improved regular expression and recommended adding more comprehensive test cases to cover these scenarios.
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| // MigrateTimeoutConfig updates timeout middleware usage to the new Config parameter | ||
| func MigrateTimeoutConfig(cmd *cobra.Command, cwd string, _, _ *semver.Version) error { | ||
| re := regexp.MustCompile(`timeout\.New\(\s*([^,\n]+)\s*,\s*([^\n)]+)\)`) |
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The current regular expression is not robust enough. It doesn't handle multi-line function calls or ensure idempotency. The regex should allow the first argument to span multiple lines and prevent matching already migrated calls by disallowing { and } in the second argument.
| re := regexp.MustCompile(`timeout\.New\(\s*([^,\n]+)\s*,\s*([^\n)]+)\)`) | |
| re := regexp.MustCompile(`timeout\.New\((?s)(.*),\s*([^{}\n)]+)\)`) |
| func Test_MigrateTimeoutConfig(t *testing.T) { | ||
| t.Parallel() | ||
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| dir, err := os.MkdirTemp("", "mtimeout") | ||
| require.NoError(t, err) | ||
| defer func() { require.NoError(t, os.RemoveAll(dir)) }() | ||
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| file := writeTempFile(t, dir, `package main | ||
| import ( | ||
| "github.com/gofiber/fiber/v2" | ||
| "github.com/gofiber/fiber/v2/middleware/timeout" | ||
| "time" | ||
| ) | ||
| var _ = timeout.New(func(c fiber.Ctx) error { return nil }, 2*time.Second)`) | ||
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| var buf bytes.Buffer | ||
| cmd := newCmd(&buf) | ||
| require.NoError(t, v3.MigrateTimeoutConfig(cmd, dir, nil, nil)) | ||
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| content := readFile(t, file) | ||
| assert.Contains(t, content, `timeout.New(func(c fiber.Ctx) error { return nil }, timeout.Config{Timeout: 2*time.Second})`) | ||
| assert.Contains(t, buf.String(), "Migrating timeout middleware configs") | ||
| } |
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The test for MigrateTimeoutConfig only covers a simple, single-line case. It's important to test against various code styles and edge cases, including a test case where the timeout.New call is split across multiple lines and a test case to verify idempotency.
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Summary
Testing
go test ./...https://chatgpt.com/codex/tasks/task_e_687cf1638b7c8326a36c44e36f7cc698
Summary by CodeRabbit
New Features
Tests