Test Evidence: Sanitized production mail exception feedback

Test type: Web
Requirement IDs: INT-005, INT-008
Scenario IDs: AC-INT-002 (production mail-failure boundary)
Test class/method: com.lab.labtimesheet.feature.integration.controller.SmtpOnboardingWebIntegrationTest#failedSmtpTestRendersActionableFeedbackWithoutActivatingTheDraft
Implementation commit: bf6f9af78b42151f2c26ef206978e3a55f75594a

Protected behavior

Spring Mail delivery failures from the production SMTP adapter return the fixed Admin guidance instead of escaping the MVC request or exposing provider diagnostics. A failed probe does not mark the draft tested or enable activation.

Test method

MockMvc saves a valid draft, then the test SMTP boundary throws Spring's production-shaped MailSendException with a distinctive deterministic diagnostic. The authenticated CSRF-protected request crosses the real controller and SMTP configuration service, and the rendered Thymeleaf response is inspected for the fixed message, raw-text absence, and absence of the activation action.

Hand-derived expected result

The response is HTTP 200 on smtp/form, contains the fixed operator guidance, omits the exception diagnostic, and does not offer Activate SMTP because markTested was never reached.

RED

Command

export JAVA_HOME=/opt/homebrew/opt/openjdk@25
export PATH="$JAVA_HOME/bin:$PATH"
export DOCKER_HOST=unix:///Users/sechmachine/.orbstack/run/docker.sock
./mvnw -Dtest=SmtpOnboardingWebIntegrationTest#failedSmtpTestRendersActionableFeedbackWithoutActivatingTheDraft test

Observed result

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0
MailSendException escaped as ServletException with the distinctive diagnostic instead of rendering smtp/form.
BUILD FAILURE
PostgreSQL: 18.4

GREEN

Command

./mvnw -Dtest=SmtpOnboardingWebIntegrationTest#failedSmtpTestRendersActionableFeedbackWithoutActivatingTheDraft test

Observed result

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
BUILD SUCCESS
PostgreSQL: 18.4

Affected suite

Command and result

./mvnw -Dtest=TimeConfigurationTest,BootstrapIntegrationTest,SmtpOnboardingWebIntegrationTest,AccountActivationIntegrationTest,AccountWebIntegrationTest,BootstrapOnboardingWebIntegrationTest,JavaMailSmtpProbeTest,SecurityResponseIntegrationTest test
Tests run: 22, Failures: 0, Errors: 0, Skipped: 0
BUILD SUCCESS
PostgreSQL: 18.4

External-test boundaries

The test exercises the production Spring Mail exception type without contacting an external SMTP server. It does not prove live Mailpit/provider interoperability and contains no real credential or activation token.

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