Add mcad tests

Author: DSchroer

README.md

@@ -61,13 +61,18 @@ The project is an ES6 module. Simply import the module:
 import OpenSCAD from "./openscad.js";
 // OPTIONAL: add fonts to the FS
 import { addFonts } from "./openscad.fonts.js";
+// OPTIONAL: add MCAD liibrary to the FS
+import { addMCAD } from "./openscad.mcad.js";
 
 // Instantiate the application
 const instance = await OpenSCAD({ noInitialRun: true });
 
 // OPTIONAL: add fonts to the FS
 addFonts(instance);
 
+// OPTIONAL: add MCAD liibrary to the FS
+addMCAD(instance);
+
 // Write a file to the filesystem
 instance.FS.writeFile("/input.scad", `cube(10);`);
 

runtime/src/files.ts

@@ -1,3 +1,49 @@
-export function fromHex(hex: string): Uint8Array {
+import { FS } from "./openscad";
+
+export function writeFile(
+  fs: FS,
+  filePath: string,
+  contents: string,
+) {
+  ensureDirectoryExists(fs, filePath);
+  fs.writeFile(filePath, fromHex(contents));
+}
+
+export function writeFolder(
+  fs: FS,
+  base: string,
+  contents: Record<string, string>,
+) {
+  for (const [file, data] of Object.entries(contents)) {
+    const fullPath = base + file;
+    ensureDirectoryExists(fs, fullPath);
+    fs.writeFile(fullPath, fromHex(data));
+  }
+}
+
+function fromHex(hex: string): Uint8Array {
+  if (hex.length == 0) {
+    return new Uint8Array(0);
+  }
   return new Uint8Array(hex.match(/../g)!.map((h) => parseInt(h, 16)));
 }
+
+function ensureDirectoryExists(fs: FS, filePath: string) {
+  const dirIndex = filePath.lastIndexOf("/");
+  if (dirIndex != -1) {
+    const dirname = filePath.substring(0, dirIndex);
+    ensureDirectoryExists(fs, dirname);
+    if (dirname != "" && !exists(fs, dirname)) {
+      fs.mkdir(dirname);
+    }
+  }
+}
+
+function exists(fs: FS, path: string) {
+  try {
+    fs.stat(path);
+    return true;
+  } catch (e) {
+    return false;
+  }
+}

runtime/src/modules.d.ts

@@ -1,4 +1,9 @@
+declare module '../../res/*.conf' {
+    const data: string;
+    export default data;
+}
+
 declare module '../../res/*' {
-    const data: Record<string, string> | string;
+    const data: Record<string, string>;
     export default data;
 }

runtime/src/openscad.fonts.ts

@@ -1,13 +1,10 @@
 import { OpenSCAD } from "./openscad";
-import { fromHex } from "./files";
+import { writeFile, writeFolder } from "./files";
 
 import config from "../../res/fonts/fonts.conf";
 import fonts from "../../res/liberation";
 
 export function addFonts(openscad: OpenSCAD) {
-  openscad.FS.mkdir("/fonts");
-  openscad.FS.writeFile("/fonts/fonts.conf", fromHex(config as string));
-  for (const [file, data] of Object.entries(fonts as Record<string, string>)) {
-    openscad.FS.writeFile("/fonts/" + file, fromHex(data));
-  }
+  writeFile(openscad.FS, "/fonts/fonts.conf", config as string);
+  writeFolder(openscad.FS, "/fonts/", fonts as Record<string, string>);
 }

runtime/src/openscad.mcad.ts

@@ -1,13 +1,8 @@
 import { OpenSCAD } from "./openscad";
-import { fromHex } from "./files";
+import { writeFolder } from "./files";
 
 import mcad from "../../res/MCAD";
 
 export function addMCAD(openscad: OpenSCAD) {
-  openscad.FS.mkdir("/libraries");
-  openscad.FS.mkdir("/libraries/MCAD");
-
-  for (const [file, data] of Object.entries(mcad as Record<string, string>)) {
-    openscad.FS.writeFile("/libraries/MCAD/" + file, fromHex(data));
-  }
+  writeFolder(openscad.FS, "/libraries/MCAD/", mcad as Record<string, string>);
 }

tests/included.test.ts

@@ -1,29 +1,51 @@
 import { assertEquals } from "https://deno.land/std@0.125.0/testing/asserts.ts";
-import OpenScad from "../build/openscad.js";
-import { addFonts } from "../build/openscad.fonts.js";
+import { join } from "https://deno.land/std/path/mod.ts";
 import { loadTestFiles } from "./testing.ts";
 
-for await (const entry of Deno.readDir(".")) {
-  if (!entry.isDirectory) {
-    continue;
-  }
+import OpenScad, { OpenSCAD } from "../build/openscad.js";
+import { addFonts } from "../build/openscad.fonts.js";
+import { addMCAD } from "../build/openscad.mcad.js";
 
-  Deno.test({
-    name: entry.name,
-    fn: () => runTest(entry.name),
-  });
-}
+Deno.test("csg", async () => {
+  const instance = await OpenScad({ noInitialRun: true });
+  await runTest(instance, "./csg");
+});
+
+Deno.test("cube", async () => {
+  const instance = await OpenScad({ noInitialRun: true });
+  await runTest(instance, "./cube");
+});
 
-async function runTest(directory: string) {
+Deno.test("cylinder", async () => {
+  const instance = await OpenScad({ noInitialRun: true });
+  await runTest(instance, "./cylinder");
+});
+
+Deno.test("lib", async () => {
+  const instance = await OpenScad({ noInitialRun: true });
+  await runTest(instance, "./lib");
+});
 
+Deno.test("mcad", async () => {
+  const instance = await OpenScad({ noInitialRun: true });
+  addMCAD(instance);
+  await runTest(instance, "./mcad");
+});
+
+Deno.test("text", async () => {
   const instance = await OpenScad({ noInitialRun: true });
   addFonts(instance);
+  await runTest(instance, "./text");
+});
+
+async function runTest(instance: OpenSCAD, directory: string) {
+  const __dirname = new URL('.', import.meta.url).pathname;
 
-  await loadTestFiles(instance, directory);
+  await loadTestFiles(instance, join(__dirname, directory));
 
   const code = instance.callMain([`/test.scad`, "-o", "out.stl"]);
   assertEquals(0, code);
 
   const output = instance.FS.readFile("out.stl", { encoding: "binary" });
-  await Deno.writeFile(`${directory}/out.stl`, output);
+  await Deno.writeFile(join(__dirname, directory, "out.stl"), output);
 }

tests/mcad/test.scad

@@ -0,0 +1,3 @@
+use <MCAD/involute_gears.scad>;
+
+bevel_gear();