test: added test & refactored files

tests/renderStatsCard.test.js

@@ -0,0 +1,54 @@
+require("@testing-library/jest-dom");
+const renderStatsCard = require("../src/renderStatsCard");
+
+const { getByTestId, queryByTestId } = require("@testing-library/dom");
+
+describe("Test renderStatsCard", () => {
+  const stats = {
+    name: "Anurag Hazra",
+    totalStars: 100,
+    totalCommits: 200,
+    totalIssues: 300,
+    totalPRs: 400,
+    contributedTo: 500,
+  };
+
+  it("should render correctly", () => {
+    document.body.innerHTML = renderStatsCard(stats);
+
+    expect(document.getElementsByClassName("header")[0].textContent).toBe(
+      "Anurag Hazra's GitHub Stats"
+    );
+
+    expect(
+      document.body.getElementsByTagName("svg")[0].getAttribute("height")
+    ).toBe("195");
+    expect(getByTestId(document.body, "stars").textContent).toBe("100");
+    expect(getByTestId(document.body, "commits").textContent).toBe("200");
+    expect(getByTestId(document.body, "issues").textContent).toBe("300");
+    expect(getByTestId(document.body, "prs").textContent).toBe("400");
+    expect(getByTestId(document.body, "contribs").textContent).toBe("500");
+    expect(queryByTestId(document.body, "card-border")).toBeInTheDocument();
+  });
+
+  it("should hide individual stats", () => {
+    document.body.innerHTML = renderStatsCard(stats, {
+      hide: "['issues', 'prs', 'contribs']",
+    });
+
+    expect(
+      document.body.getElementsByTagName("svg")[0].getAttribute("height")
+    ).toBe("120");
+    expect(queryByTestId(document.body, "stars")).toBeDefined();
+    expect(queryByTestId(document.body, "commits")).toBeDefined();
+    expect(queryByTestId(document.body, "issues")).toBeNull();
+    expect(queryByTestId(document.body, "prs")).toBeNull();
+    expect(queryByTestId(document.body, "contribs")).toBeNull();
+  });
+
+  it("should hide_border", () => {
+    document.body.innerHTML = renderStatsCard(stats, { hide_border: true });
+
+    expect(queryByTestId(document.body, "card-border")).not.toBeInTheDocument();
+  });
+});