add test to check all footprint are in src/footprinter.ts (#178)

* add test to check all footprint are in src/footprinter.ts

* ci: add bun test workflow

.github/workflows/bun-test.yml

@@ -0,0 +1,28 @@
+# Created using @tscircuit/plop (npm install -g @tscircuit/plop)
+name: Bun Test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run tests
+        run: bun test

tests/footprint-completeness.test.ts

@@ -0,0 +1,26 @@
+import { describe, expect, it } from "bun:test"
+import { getFootprintNames } from "../src/footprinter"
+import fs from "fs"
+import path from "path"
+
+describe("footprint completeness", () => {
+  it("should expose all footprint functions from src/fn/", () => {
+    const fnDir = path.join(process.cwd(), "src", "fn")
+    const footprintFiles = fs
+      .readdirSync(fnDir)
+      .filter((file) => file.endsWith(".ts") && file !== "index.ts")
+      .map((file) => path.basename(file, ".ts"))
+
+    const exposedFootprints = getFootprintNames()
+
+    for (const file of footprintFiles) {
+      expect(exposedFootprints.includes(file)).toBe(true)
+    }
+
+    for (const footprint of exposedFootprints) {
+      expect(footprintFiles.includes(footprint)).toBe(true)
+    }
+
+    expect(footprintFiles.length).toBe(exposedFootprints.length)
+  })
+})