test: 🧪 add a low coverage file example for testing

Author: cif

test-src/lowCoverage.js

@@ -0,0 +1,35 @@
+// This file has intentionally low coverage for testing purposes
+export function poorlyTestedFunction() {
+  // This branch is never tested
+  if (Math.random() > 0.5) {
+    console.log("This will never be executed in tests");
+    return "unreachable";
+  }
+
+  // This is the only part that gets tested
+  return "tested";
+}
+
+export function anotherPoorlyTestedFunction() {
+  // Multiple untested branches
+  const value = Math.random();
+
+  if (value < 0.3) {
+    console.log("Branch 1 - never tested");
+    return "branch1";
+  } else if (value < 0.6) {
+    console.log("Branch 2 - never tested");
+    return "branch2";
+  } else if (value < 0.9) {
+    console.log("Branch 3 - never tested");
+    return "branch3";
+  } else {
+    console.log("Branch 4 - never tested");
+    return "branch4";
+  }
+}
+
+export function untestedFunction() {
+  // This function is never called in tests
+  return "completely untested";
+}

test-src/lowCoverage.test.js

@@ -0,0 +1,14 @@
+import { describe, test, expect } from "vitest";
+import { poorlyTestedFunction } from "./lowCoverage.js";
+
+describe("Low Coverage Tests", () => {
+  test("should return tested for the main path", () => {
+    // This only tests the main return path, not the if branch
+    expect(poorlyTestedFunction()).toBe("tested");
+  });
+
+  // Intentionally not testing:
+  // - The if branch in poorlyTestedFunction
+  // - anotherPoorlyTestedFunction (completely untested)
+  // - untestedFunction (completely untested)
+});