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Fix version checker log.Fatal closes #4746 (#4894)

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* Unskip test demonstrating bug #4746: log.Fatal in version checker

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* Fix #4746: Return error instead of log.Fatal in version checker

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Nathan Wallace
2025-11-16 15:52:11 -05:00
committed by GitHub
parent 9d8f135805
commit a9fa56ba02
2 changed files with 26 additions and 44 deletions
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2
pkg/task/version_checker.go
View File

@@ -53,7 +53,7 @@ func (c *versionChecker) doCheckRequest(ctx context.Context) error {
}
bodyBytes, err := io.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
return err
}
bodyString := string(bodyBytes)
defer resp.Body.Close()

68
pkg/task/version_checker_test.go
View File

@@ -73,51 +73,33 @@ func TestVersionCheckerNetworkFailures(t *testing.T) {
// TestVersionCheckerBrokenBody tests the critical bug in version_checker.go:56
// BUG: log.Fatal(err) will terminate the entire application if body read fails
func TestVersionCheckerBrokenBody(t *testing.T) {
t.Run("body_read_error_causes_fatal", func(t *testing.T) {
// This test documents the bug but cannot fully test it because
// log.Fatal() terminates the process
//
// BUG LOCATION: version_checker.go:54-57
//
// Current code:
// bodyBytes, err := io.ReadAll(resp.Body)
// if err != nil {
// log.Fatal(err) // <-- BUG: This will exit the entire program!
// }
//
// This is especially dangerous because:
// 1. It's called from a goroutine (runner.go:100-102)
// 2. It will crash the entire Steampipe process
// 3. It happens during background version checking
//
// IMPACT: If the HTTP response body is corrupted or the connection
// fails during body reading, the entire Steampipe process will exit
// unexpectedly with status 1.
//
// FIX: Should return the error instead:
// if err != nil {
// return err
// }
// Test that doCheckRequest properly handles errors from io.ReadAll
// instead of calling log.Fatal which would terminate the process
//
// BUG LOCATION: version_checker.go:54-57
// Current buggy code:
// bodyBytes, err := io.ReadAll(resp.Body)
// if err != nil {
// log.Fatal(err) // <-- BUG: terminates process
// }
//
// Expected fixed code:
// if err != nil {
// return err // <-- CORRECT: return error to caller
// }
t.Log("BUG FOUND: log.Fatal in version_checker.go:56 will terminate process")
t.Log("This cannot be fully tested without process exit")
t.Log("See BUGS-FOUND-WAVE3.md for details")
})
t.Run("body_read_error_should_return_error", func(t *testing.T) {
// Note: We can't easily trigger an io.ReadAll error with httptest
// because the request will fail earlier. However, the fix is clear:
// change log.Fatal(err) to return err on line 56.
//
// This test documents the expected behavior after the fix.
// Once fixed, any body read errors will be properly returned
// instead of terminating the process.
t.Run("simulate_body_read_success", func(t *testing.T) {
// Test the happy path - successful body read
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "application/json")
w.Write([]byte(`{"latest_version":"1.0.0","download_url":"https://example.com"}`))
}))
defer server.Close()
// Note: This will make a real request to the actual version check URL
// not our test server, because we can't override the URL in versionChecker
// This test documents the expected successful behavior
t.Log("Successful body read should work without issues")
t.Logf("Test server: %s", server.URL)
t.Log("After fix: io.ReadAll errors should be returned, not cause log.Fatal")
t.Log("Current bug: log.Fatal(err) on line 56 terminates the entire process")
t.Log("Expected: return err on line 56")
})
}