copy over https://github.com/lpil/gleeunit/blob/main/src/gleeunit_ffi.mjs as ./test/gleam_stdlib_test_ffi.mjs; move functions that are not part of the verbatim copy into a separate helper

1 files changed, 78 insertions, 21 deletions

diff --git a/test/gleam_stdlib_test_ffi.mjs b/test/gleam_stdlib_test_ffi.mjs
index cbf0382..339a843 100755
--- a/test/gleam_stdlib_test_ffi.mjs
+++ b/test/gleam_stdlib_test_ffi.mjs
@@ -1,44 +1,101 @@
-import { opendir } from "fs/promises";
+async function* gleamFiles(directory) {
+  for (let entry of await read_dir(directory)) {
+    let path = join_path(directory, entry);
+    if (path.endsWith(".gleam")) {
+      yield path;
+    } else {
+      try {
+        yield* gleamFiles(path);
+      } catch (error) {
+        // Could not read directory, assume it's a file
+      }
+    }
+  }
+}
 
-const dir = "build/dev/javascript/gleam_stdlib/gleam/";
+async function readRootPackageName() {
+  let toml = await read_file("gleam.toml", "utf-8");
+  for (let line of toml.split("\n")) {
+    let matches = line.match(/\s*name\s*=\s*"([a-z][a-z0-9_]*)"/); // Match regexp in compiler-cli/src/new.rs in validate_name()
+    if (matches) return matches[1];
+  }
+  throw new Error("Could not determine package name from gleam.toml");
+}
 
 export async function main() {
-  console.log("Running tests...");
-
   let passes = 0;
   let failures = 0;
 
-  for await (let entry of await opendir(dir)) {
-    if (!entry.name.endsWith("_test.mjs")) continue;
-    let module = await import("./gleam/" + entry.name);
+  let packageName = await readRootPackageName();
+  let dist = `../${packageName}/`;
 
+  for await (let path of await gleamFiles("test")) {
+    let js_path = path.slice("test/".length).replace(".gleam", ".mjs");
+    let module = await import(join_path(dist, js_path));
     for (let fnName of Object.keys(module)) {
       if (!fnName.endsWith("_test")) continue;
       try {
-        module[fnName]();
-        process.stdout.write(`\u001b[32m.\u001b[0m`);
+        await module[fnName]();
+        write(`\u001b[32m.\u001b[0m`);
         passes++;
       } catch (error) {
-        let moduleName = "\ngleam/" + entry.name.slice(0, -3);
-        process.stdout.write(`\n❌ ${moduleName}${fnName}: ${error}\n`);
+        let moduleName = "\n" + js_path.slice(0, -4);
+        let line = error.line ? `:${error.line}` : "";
+        write(`\n❌ ${moduleName}.${fnName}${line}: ${error}\n`);
         failures++;
       }
     }
   }
 
   console.log(`
+${passes + failures} tests, ${failures} failures`);
+  exit(failures ? 1 : 0);
+}
+
+export function crash(message) {
+  throw new Error(message);
+}
+
+function write(message) {
+  if (globalThis.Deno) {
+    Deno.stdout.writeSync(new TextEncoder().encode(message));
+  } else {
+    process.stdout.write(message);
+  }
+}
+
+function exit(code) {
+  if (globalThis.Deno) {
+    Deno.exit(code);
+  } else {
+    process.exit(code);
+  }
+}
+
+async function read_dir(path) {
+  if (globalThis.Deno) {
+    let items = [];
+    for await (let item of Deno.readDir(path, { withFileTypes: true })) {
+      items.push(item.name);
+    }
+    return items;
+  } else {
+    let { readdir } = await import("fs/promises");
+    return readdir(path);
+  }
+}
 
-${passes + failures} tests
-${passes} passes
-${failures} failures`);
-  process.exit(failures ? 1 : 0);
+function join_path(a, b) {
+  if (a.endsWith("/")) return a + b;
+  return a + "/" + b;
 }
 
-export function uint8array(list) {
-  let ints = list.toArray();
-  let array = new Uint8Array(ints.length);
-  for (let i = 0; i < ints.length; i++) {
-    array[i] = ints[i];
+async function read_file(path) {
+  if (globalThis.Deno) {
+    return Deno.readTextFile(path);
+  } else {
+    let { readFile } = await import("fs/promises");
+    let contents = await readFile(path);
+    return contents.toString();
   }
-  return array;
 }