test: migrate tests from centralized mjs to colocated TypeScript

Move test files from tests/ directory to colocate with source code, convert from .mjs to .ts using tsx runner, add workspaces and npm cache to CI workflow.
2026-08-07 09:23:04 +08:00 · 2026-03-13 16:36:06 -05:00
parent 484b00109f
commit 774ad784d8
15 changed files with 2600 additions and 42 deletions
@@ -0,0 +1,79 @@
+import assert from "node:assert/strict";
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import test from "node:test";
+
+import {
+  getImageExtension,
+  replaceMarkdownImagesWithPlaceholders,
+  resolveContentImages,
+  resolveImagePath,
+} from "./images.ts";
+
+async function makeTempDir(prefix: string): Promise<string> {
+  return fs.mkdtemp(path.join(os.tmpdir(), prefix));
+}
+
+test("replaceMarkdownImagesWithPlaceholders rewrites markdown and tracks image metadata", () => {
+  const result = replaceMarkdownImagesWithPlaceholders(
+    `![cover](images/cover.png)\n\nText\n\n![diagram](images/diagram.webp)`,
+    "IMG_",
+  );
+
+  assert.equal(result.markdown, `IMG_1\n\nText\n\nIMG_2`);
+  assert.deepEqual(result.images, [
+    { alt: "cover", originalPath: "images/cover.png", placeholder: "IMG_1" },
+    { alt: "diagram", originalPath: "images/diagram.webp", placeholder: "IMG_2" },
+  ]);
+});
+
+test("image extension and local fallback resolution handle common path variants", async (t) => {
+  assert.equal(getImageExtension("https://example.com/a.jpeg?x=1"), "jpeg");
+  assert.equal(getImageExtension("/tmp/figure"), "png");
+
+  const root = await makeTempDir("baoyu-md-images-");
+  t.after(() => fs.rm(root, { recursive: true, force: true }));
+
+  const baseDir = path.join(root, "article");
+  const tempDir = path.join(root, "tmp");
+  await fs.mkdir(baseDir, { recursive: true });
+  await fs.mkdir(tempDir, { recursive: true });
+  await fs.writeFile(path.join(baseDir, "figure.webp"), "webp");
+
+  const resolved = await resolveImagePath("figure.png", baseDir, tempDir, "test");
+  assert.equal(resolved, path.join(baseDir, "figure.webp"));
+});
+
+test("resolveContentImages resolves image placeholders against the content directory", async (t) => {
+  const root = await makeTempDir("baoyu-md-content-images-");
+  t.after(() => fs.rm(root, { recursive: true, force: true }));
+
+  const baseDir = path.join(root, "article");
+  const tempDir = path.join(root, "tmp");
+  await fs.mkdir(baseDir, { recursive: true });
+  await fs.mkdir(tempDir, { recursive: true });
+  await fs.writeFile(path.join(baseDir, "cover.png"), "png");
+
+  const resolved = await resolveContentImages(
+    [
+      {
+        alt: "cover",
+        originalPath: "cover.png",
+        placeholder: "IMG_1",
+      },
+    ],
+    baseDir,
+    tempDir,
+    "test",
+  );
+
+  assert.deepEqual(resolved, [
+    {
+      alt: "cover",
+      originalPath: "cover.png",
+      placeholder: "IMG_1",
+      localPath: path.join(baseDir, "cover.png"),
+    },
+  ]);
+});