assertionLine function ~ 71.4%

function assertionLine(assertion: E2EAssertion): string {
  switch (assertion.type) {
    case "url-changed":
      return `    cy.url().should('not.eq', '${escapeString(assertion.expected ?? "")}');`;
    case "url-contains":
      return `    cy.url().should('include', '${escapeString(assertion.expected ?? "")}');`;
    case "visible-text":
      return assertion.expected
        ? `    cy.contains('${escapeString(assertion.expected)}').should('be.visible');`
        : `    // Expect visible validation feedback`;
    case "element-visible":
      return `    cy.get('${escapeString(assertion.selector ?? "")}').should('be.visible');`;
    case "element-hidden":
      return `    cy.get('${escapeString(assertion.selector ?? "")}').should('not.be.visible');`;
    case "toast-message":
      return `    cy.get('${escapeString(assertion.selector ?? "[role=\\'alert\\']")}').should('be.visible');`;
    case "field-value":
      return `    cy.get('${escapeString(assertion.selector ?? "")}').should('have.value', '${escapeString(assertion.expected ?? "")}');`;
    case "field-error":
      return `    cy.get('${escapeString(assertion.selector ?? "")}').should('be.visible');`;
    case "redirect":
      return `    cy.url().should('include', '${escapeString(assertion.expected ?? "")}');`;
    case "response-ok": {
      const url = escapeString(assertion.selector ?? "");
      const status = assertion.expected ?? "200";
      const urlFragment = url.split("/").pop() ?? url;
      return [
        `    // HTTP response assertion: ${assertion.description ?? `${url} → ${status}`}`,
        `    // To assert strictly, add before the submit action:`,
        `    //   cy.intercept('*', '*${urlFragment}*').as('apiRequest');`,
        `    //   cy.wait('@apiRequest').its('response.statusCode').should('eq', ${status});`,
      ].join("\n");
    }
  }
}