test: add the test to verify parts engine works (#249)

* test: add the test to verify parts engine works

* format

Author: imrishabh18

tests/example16-parts-engine.test.tsx

@@ -0,0 +1,60 @@
+import { createCircuitWebWorker, runTscircuitCode } from "lib/index"
+import { expect, test } from "bun:test"
+import type { SourceComponentBase } from "circuit-json"
+
+test("example16-jlc-parts-engine with entrypoint", async () => {
+  const circuitWebWorker = await createCircuitWebWorker({
+    webWorkerUrl: new URL("../webworker/entrypoint.ts", import.meta.url),
+    verbose: true,
+  })
+
+  await circuitWebWorker.executeWithFsMap({
+    entrypoint: "index.tsx",
+    fsMap: {
+      "index.tsx": `
+        circuit.add(
+          <board>
+            <resistor name="R1" resistance="1k" footprint="0402" />
+          </board>
+        )
+      `,
+    },
+  })
+
+  await circuitWebWorker.renderUntilSettled()
+
+  const circuitJson = await circuitWebWorker.getCircuitJson()
+
+  const source_component = circuitJson.filter(
+    (el: any) => el.type === "source_component",
+  ) as SourceComponentBase[]
+  expect(source_component).toBeDefined()
+
+  const supplier_part = source_component[0].supplier_part_numbers
+  expect(supplier_part).toBeDefined()
+})
+
+test("example16-jlc-parts-engine with mainComponentPath", async () => {
+  const circuitJson = await runTscircuitCode(
+    {
+      "user-code.tsx": `
+        export default () => (
+          <board>
+            <resistor name="R1" resistance="1k" footprint="0402" />
+          </board>
+        )
+      `,
+    },
+    {
+      mainComponentPath: "user-code",
+    },
+  )
+
+  const source_component = circuitJson.filter(
+    (el: any) => el.type === "source_component",
+  ) as SourceComponentBase[]
+  expect(source_component).toBeDefined()
+
+  const supplier_part = source_component[0].supplier_part_numbers
+  expect(supplier_part).toBeDefined()
+})