merge

codex-cli/tests/input-utils.test.ts

@@ -0,0 +1,47 @@
+import { describe, it, expect, vi } from "vitest";
+import fs from "fs/promises";
+import { createInputItem } from "../src/utils/input-utils.js";
+
+describe("createInputItem", () => {
+  it("returns only text when no images provided", async () => {
+    const result = await createInputItem("hello", []);
+    expect(result).toEqual({
+      role: "user",
+      type: "message",
+      content: [{ type: "input_text", text: "hello" }],
+    });
+  });
+
+  it("includes image content for existing file", async () => {
+    const fakeBuffer = Buffer.from("fake image content");
+    const readSpy = vi
+      .spyOn(fs, "readFile")
+      .mockResolvedValue(fakeBuffer as any);
+    const result = await createInputItem("hello", ["dummy-path"]);
+    const expectedUrl = `data:application/octet-stream;base64,${fakeBuffer.toString(
+      "base64",
+    )}`;
+    expect(result.role).toBe("user");
+    expect(result.type).toBe("message");
+    expect(result.content.length).toBe(2);
+    const [textItem, imageItem] = result.content;
+    expect(textItem).toEqual({ type: "input_text", text: "hello" });
+    expect(imageItem).toEqual({
+      type: "input_image",
+      detail: "auto",
+      image_url: expectedUrl,
+    });
+    readSpy.mockRestore();
+  });
+
+  it("falls back to missing image text for non-existent file", async () => {
+    const filePath = "tests/__fixtures__/does-not-exist.png";
+    const result = await createInputItem("hello", [filePath]);
+    expect(result.content.length).toBe(2);
+    const fallbackItem = result.content[1];
+    expect(fallbackItem).toEqual({
+      type: "input_text",
+      text: "[missing image: does-not-exist.png]",
+    });
+  });
+});