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verify-email-snapshots

Snapshot test MJML email templates against approved HTML baselines.

Updated Dec 4, 2022
Search Tags:#testing#html#email#regression#snapshot#mjml
One-click install
npx skills add https://github.com/devingoble/CloudOStat --skill verify-email-snapshots-devingoble
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: verify-email-snapshots
Source: https://github.com/devingoble/CloudOStat/tree/main/.github/skills/verify-email-snapshots
Command: npx skills add https://github.com/devingoble/CloudOStat --skill verify-email-snapshots-devingoble

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the process of testing email templates, ensuring that visual regressions are caught early and that rendered HTML output consistently matches approved baselines.

Core Features & Use Cases

  • Snapshot Testing: Captures rendered email HTML and compares it against a baseline to detect unintended changes.
  • MJML Support: Works seamlessly with MJML templates, validating their compilation to HTML.
  • Regression Prevention: Catches visual bugs and ensures variable substitution works as expected.
  • Use Case: When updating an email template for a password reset, this skill will automatically verify that the new HTML output still correctly displays the reset link and expiration time, preventing visual errors.

Quick Start

Use the verify-email-snapshots skill to snapshot test the 'UserSignupInvitation' email template with provided variables.

Frequently Asked Questions about verify-email-snapshots

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I snapshot test MJML email templates to catch visual regressions?▼

Snapshot test MJML email templates by capturing rendered HTML output and comparing it against approved baselines to detect unintended visual changes. This verifies that template updates do not introduce rendering regressions.

Does MJML snapshot testing verify variable substitution accuracy in email templates?▼

Yes, MJML snapshot testing verifies variable substitution accuracy by capturing the rendered HTML with provided variables. This ensures dynamic content like reset links and expiration times display correctly without manual visual checks.

Do I need Verify.Xunit to test rendered HTML email output against baselines?▼

Yes, Verify.Xunit is required for testing framework integration when snapshot testing email templates. It provides the baseline comparison mechanism needed to validate rendered MJML HTML output matches approved references.

What is the best way to prevent visual bugs when updating MJML email templates?▼

Prevent visual bugs when updating MJML email templates by automating snapshot tests that validate rendered HTML output against approved baselines. This catches unintended visual regressions early before they reach production.

Can I validate MJML compilation to HTML across different email clients?▼

Yes, snapshot testing validates MJML compilation to HTML and checks rendering across different email clients. This ensures consistent visual output and catches client-specific rendering regressions during template updates.

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