init

lib/test.ts

@@ -0,0 +1,49 @@
+import col from "https://deno.land/x/chalkin@v0.1.3/mod.ts";
+import { run_script } from "./source.ts";
+
+export type Test = { name: string; content: string };
+
+export async function find_tests(dir: string): Promise<Test[]> {
+  const result = [] as Test[];
+  for await (const { name } of Deno.readDir(dir)) {
+    const content = await Deno.readTextFile(`${dir}/${name}`);
+    result.push({ content, name });
+  }
+  result.sort((a, b) => a.name > b.name ? 1 : -1);
+  return result;
+}
+
+export type TestRes = {
+  test: Test;
+  success: true;
+} | {
+  test: Test;
+  success: false;
+  error: string;
+};
+
+export async function run_test(
+  test: Test,
+  prelude: string,
+): Promise<TestRes> {
+  const source = `${prelude}\n${test.content}`;
+  const res = await run_script(source);
+  const { success } = res;
+  if (success) return { success, test };
+  const { error } = res;
+  return { success, error, test };
+}
+
+export function display_test_success({ success, test: { name } }: TestRes) {
+  console.log(`[${success ? col.green("O") : col.red("X")}] ${name}`);
+}
+
+export function display_test_failures(results: TestRes[]) {
+  for (const result of results) {
+    const { test: { name }, success } = result;
+    if (success) continue;
+    console.log(`${col.red(`---- error for '${name}' ----`)}
+${result.error}
+`);
+  }
+}