import { test, expect } from "bun:test" import { circuitJsonToStep } from "../../../lib/index" import { importStepWithOcct } from "../../utils/occt/importer" import circuitJson from "./basics01.json" test("basics01: convert circuit json with circular holes to STEP", async () => { const stepText = await circuitJsonToStep(circuitJson as any, { boardWidth: 20, boardHeight: 15, boardThickness: 1.6, productName: "TestPCB", }) // Verify STEP format expect(stepText).toContain("ISO-10303-21") expect(stepText).toContain("END-ISO-10303-21") // Verify product structure expect(stepText).toContain("TestPCB") expect(stepText).toContain("MANIFOLD_SOLID_BREP") // Verify holes are created (should have CIRCLE and CYLINDRICAL_SURFACE entities) expect(stepText).toContain("CIRCLE") expect(stepText).toContain("CYLINDRICAL_SURFACE") // Count CIRCLE occurrences - should have 6 (3 holes × 2 shared top/bottom boundary circles) const circleCount = (stepText.match(/CIRCLE/g) || []).length expect(circleCount).toBe(6) // Count CYLINDRICAL_SURFACE occurrences - should have 3 (one per hole) const cylinderCount = (stepText.match(/CYLINDRICAL_SURFACE/g) || []).length expect(cylinderCount).toBe(3) // Write STEP file to debug-output const outputPath = "debug-output/basics01.step" await Bun.write(outputPath, stepText) console.log("✓ STEP file generated successfully") console.log(` - Circles created: ${circleCount}`) console.log(` - STEP text length: ${stepText.length} bytes`) console.log(` - Output: ${outputPath}`) // Validate STEP file can be imported with occt-import-js const occtResult = await importStepWithOcct(stepText) expect(occtResult.success).toBe(true) expect(occtResult.meshes.length).toBeGreaterThan(0) const [firstMesh] = occtResult.meshes expect(firstMesh.attributes.position.array.length).toBeGreaterThan(0) expect(firstMesh.index.array.length).toBeGreaterThan(0) console.log("✓ STEP file successfully validated with occt-import-js") await expect(stepText).toMatchStepSnapshot(import.meta.path, "basics01") }, 20000)