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portifolio-evandrodevbr/app/cases/[slug]/page.test.tsx
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TypeScript

import { render, screen, within } from "@testing-library/react";
import type { ReactNode } from "react";
import { caseStudies, servicePages, siteUrl } from "@/lib/site-content";
import CasesPage from "../page";
import CasePage, { generateMetadata, generateStaticParams } from "./page";
jest.mock("next/navigation", () => ({ notFound: jest.fn() }));
jest.mock("@/app/components/cinematic/HeroBackground", () => ({
__esModule: true,
default: () => null,
}));
jest.mock("@/app/components/cinematic/MagneticButton", () => ({
__esModule: true,
default: ({
as = "button",
strength: _strength,
children,
...props
}: {
as?: string;
strength?: number;
children?: ReactNode;
} & Record<string, unknown>) => {
const React = require("react");
return React.createElement(as, props, children);
},
}));
const publicCases = [
{ id: "nutriscan", title: "NutriScan" },
{ id: "twins-lab", title: "Twins Lab" },
{ id: "reddit-explorer", title: "Reddit Posts Explorer" },
{ id: "sc-plus", title: "SC Plus Aquicultura" },
{ id: "gcc-installer", title: "MinGW GCC Installer" },
{ id: "as-servicos", title: "AS Serviços" },
] as const;
const publicCaseIds = publicCases.map(({ id }) => id);
function getCase(id: (typeof publicCases)[number]["id"]) {
const caseStudy = caseStudies.find((item) => item.id === id);
if (!caseStudy) throw new Error(`Missing case ${id}`);
return caseStudy;
}
function readJsonLdEntities(container: HTMLElement): Record<string, unknown>[] {
const scripts = container.querySelectorAll<HTMLScriptElement>(
'script[type="application/ld+json"]',
);
if (scripts.length === 0) throw new Error("Missing JSON-LD");
return Array.from(scripts).flatMap((script) => {
if (!script.textContent) throw new Error("Empty JSON-LD");
const value = JSON.parse(script.textContent) as Record<string, unknown>;
return Array.isArray(value["@graph"]) ? value["@graph"] : [value];
});
}
function expectCaseCtas() {
const destinations = screen
.getAllByRole("link")
.map((link) => link.getAttribute("href"));
expect(destinations).toContain("/#contact");
expect(destinations).toContain("/servicos");
expect(destinations).not.toContain("/curriculo");
}
it("keeps the six public params and factual case metadata", async () => {
const staticSlugs = generateStaticParams().map(({ slug }) => slug);
expect(staticSlugs).toHaveLength(6);
expect(new Set(staticSlugs).size).toBe(6);
expect([...staticSlugs].sort()).toEqual([...publicCaseIds].sort());
const caseStudy = getCase("as-servicos");
const url = `${siteUrl}/cases/${caseStudy.id}`;
const metadata = await generateMetadata({
params: Promise.resolve({ slug: caseStudy.id }),
});
expect(metadata).toMatchObject({
title: expect.stringContaining(caseStudy.title),
description: caseStudy.summary,
alternates: { canonical: url },
openGraph: {
title: caseStudy.title,
description: caseStudy.summary,
url,
},
twitter: {
title: caseStudy.title,
description: caseStudy.summary,
},
});
expect(metadata).not.toHaveProperty("keywords");
});
it("renders the authorized detailed case in order with traceable sources", async () => {
const caseStudy = getCase("as-servicos");
if (!caseStudy.detail) throw new Error("Missing detailed case content");
const ui = await CasePage({
params: Promise.resolve({ slug: caseStudy.id }),
});
const { container } = render(ui);
const heading = screen.getByRole("heading", { level: 1 });
const answer = screen.getByText(caseStudy.detail.answer.text);
expect(heading.nextElementSibling).toBe(answer);
const sectionNames = [
"Desafio verificável",
"Decisões de implementação",
"Limites desta evidência",
"Fontes",
];
const sectionHeadings = sectionNames.map((name) =>
screen.getByRole("heading", { level: 2, name }),
);
for (let index = 1; index < sectionHeadings.length; index += 1) {
expect(
sectionHeadings[index - 1].compareDocumentPosition(
sectionHeadings[index],
) & Node.DOCUMENT_POSITION_FOLLOWING,
).toBeTruthy();
}
const challengeSection = screen
.getByRole("heading", { level: 2, name: "Desafio verificável" })
.closest("section");
if (!challengeSection) throw new Error("Missing challenge section");
const challengeText = within(challengeSection).getByText(
caseStudy.detail.challenge.text,
);
expect(challengeText).toBeVisible();
expect(screen.getAllByText(caseStudy.impact)).toEqual([challengeText]);
for (const statement of caseStudy.detail.implementation) {
expect(screen.getByText(statement.text)).toBeVisible();
}
for (const boundary of caseStudy.detail.boundaries) {
const boundaryText = screen.getByText(boundary.text);
expect(boundaryText).toBeVisible();
expect(boundaryText.closest("a")).toBeNull();
}
const sourceLinks = screen.getAllByRole("link", { name: /^Fonte:/ });
expect(sourceLinks).toHaveLength(caseStudy.detail.sources.length);
for (const source of caseStudy.detail.sources) {
const link = screen.getByRole("link", { name: `Fonte: ${source.label}` });
expect(link).toHaveAttribute("href", source.url);
expect(link).toHaveAttribute("target", "_blank");
expect(link).toHaveAttribute("rel", expect.stringMatching(/noreferrer/));
expect(source.url).toMatch(/\/blob\/[0-9a-f]{40}\//);
const sha = source.url.match(/\/blob\/([0-9a-f]{40})\//)?.[1];
if (!sha) throw new Error(`Missing source SHA for ${source.id}`);
expect(within(link.closest("li") ?? link).getByText(sha)).toBeVisible();
}
expectCaseCtas();
const graph = readJsonLdEntities(container);
expect(graph.map((node) => node["@type"])).toEqual(["BreadcrumbList"]);
expect(JSON.stringify(graph)).not.toMatch(
/Article|FAQPage|ProfessionalService|LocalBusiness/,
);
const breadcrumb = graph[0] as {
itemListElement: Array<{
"@type": string;
position: number;
name: string;
item: string;
}>;
};
const canonicalUrl = `${siteUrl}/cases/${caseStudy.id}`;
expect(breadcrumb.itemListElement).toEqual([
{ "@type": "ListItem", position: 1, name: "Início", item: siteUrl },
{
"@type": "ListItem",
position: 2,
name: "Cases",
item: `${siteUrl}/cases`,
},
{
"@type": "ListItem",
position: 3,
name: caseStudy.title,
item: canonicalUrl,
},
]);
const visibleBreadcrumb = screen.getByRole("navigation", {
name: "Breadcrumb",
});
expect(
within(visibleBreadcrumb)
.getAllByRole("link")
.map((link) => ({
name: link.textContent,
href: link.getAttribute("href"),
current: link.getAttribute("aria-current"),
})),
).toEqual([
{ name: "Início", href: "/", current: null },
{ name: "Cases", href: "/cases", current: null },
{
name: caseStudy.title,
href: `/cases/${caseStudy.id}`,
current: "page",
},
]);
});
it("keeps the fallback concise and links its declared services", async () => {
const caseStudy = getCase("gcc-installer");
expect(caseStudy.detail).toBeUndefined();
const ui = await CasePage({
params: Promise.resolve({ slug: caseStudy.id }),
});
const { container } = render(ui);
const heading = screen.getByRole("heading", { level: 1 });
expect(heading.nextElementSibling).toHaveTextContent(caseStudy.summary);
expect(screen.getByText(caseStudy.impact)).toBeVisible();
for (const technology of caseStudy.stack) {
expect(screen.getByText(technology)).toBeVisible();
}
expect(screen.queryByRole("link", { name: "Abrir demonstração" })).toBeNull();
expect(screen.getByRole("link", { name: "Ver código" })).toHaveAttribute(
"href",
caseStudy.githubUrl,
);
for (const name of [
"Desafio verificável",
"Decisões de implementação",
"Limites desta evidência",
"Fontes",
]) {
expect(screen.queryByRole("heading", { name })).toBeNull();
}
expect(screen.queryByRole("link", { name: /^Fonte:/ })).toBeNull();
const expectedServices = servicePages
.filter(({ relatedCaseIds }) => relatedCaseIds.includes(caseStudy.id))
.map(({ slug, navLabel }) => ({
name: `Ver serviço relacionado: ${navLabel}`,
href: `/servicos/${slug}`,
}))
.sort((a, b) => a.href.localeCompare(b.href));
const relatedLinks = screen.getAllByRole("link", {
name: /^Ver serviço relacionado:/,
});
expect(
relatedLinks
.map((link) => ({
name: link.textContent,
href: link.getAttribute("href"),
}))
.sort((a, b) => (a.href ?? "").localeCompare(b.href ?? "")),
).toEqual(expectedServices);
expectCaseCtas();
expect(readJsonLdEntities(container).map((node) => node["@type"])).toEqual([
"BreadcrumbList",
]);
});
it("keeps the hub cards, schema and distinct intents aligned", () => {
const { container } = render(<CasesPage />);
const heading = screen.getByRole("heading", { level: 1 });
expect(heading.nextElementSibling).toHaveTextContent(/seis projetos/i);
const caseLinks = screen.getAllByRole("link", { name: "Ler case" });
const caseHrefs = caseLinks.map((link) => link.getAttribute("href"));
expect(caseHrefs).toHaveLength(6);
expect(new Set(caseHrefs).size).toBe(6);
expect([...caseHrefs].sort()).toEqual(
publicCaseIds.map((id) => `/cases/${id}`).sort(),
);
expectCaseCtas();
const visibleBreadcrumb = screen.getByRole("navigation", {
name: "Breadcrumb",
});
expect(
within(visibleBreadcrumb)
.getAllByRole("link")
.map((link) => [link.textContent, link.getAttribute("href")]),
).toEqual([
["Início", "/"],
["Cases", "/cases"],
]);
const graph = readJsonLdEntities(container);
expect(graph.map((node) => node["@type"])).toEqual([
"CollectionPage",
"ItemList",
"BreadcrumbList",
]);
const itemList = graph[1] as {
itemListElement: Array<{
"@type": string;
position: number;
name: string;
url: string;
}>;
};
const visibleItems = caseLinks.map((link, index) => {
const href = link.getAttribute("href");
const expected = publicCases.find(({ id }) => href === `/cases/${id}`);
if (!expected) throw new Error(`Unexpected visible case link ${href}`);
const card = link.closest("article");
if (!card) throw new Error(`Missing visible card for ${href}`);
expect(within(card).getByText(expected.title)).toBeVisible();
return {
"@type": "ListItem",
position: index + 1,
name: expected.title,
url: `${siteUrl}${href}`,
};
});
expect(itemList.itemListElement).toEqual(visibleItems);
});