test: add tests for dasel, pandoc and vtracer

tests/converters/pandoc.test.ts

@@ -0,0 +1,66 @@
+import { beforeEach, expect, test, describe } from "bun:test";
+import { convert } from "../../src/converters/pandoc";
+import type { ExecFileFn } from "../../src/converters/types";
+
+describe("convert", () => {
+  let mockExecFile: ExecFileFn;
+
+  beforeEach(() => {
+    mockExecFile = (cmd, args, callback) => callback(null, "output-data", "");
+  });
+
+  test("should call pandoc with correct arguments (normal)", async () => {
+    let calledArgs: Parameters<ExecFileFn> = ["", [], () => {}];
+    mockExecFile = (cmd, args, callback) => {
+      calledArgs = [cmd, args, callback];
+      callback(null, "output-data", "");
+    };
+
+    const result = await convert(
+      "input.md",
+      "markdown",
+      "html",
+      "output.html",
+      undefined,
+      mockExecFile,
+    );
+
+    expect(calledArgs[0]).toBe("pandoc");
+    expect(calledArgs[1]).toEqual([
+      "input.md",
+      "-f",
+      "markdown",
+      "-t",
+      "html",
+      "-o",
+      "output.html",
+    ]);
+    expect(result).toBe("Done");
+  });
+
+  test("should add xelatex argument for pdf/latex", async () => {
+    let calledArgs: Parameters<ExecFileFn> = ["", [], () => {}];
+    mockExecFile = (cmd, args, callback) => {
+      calledArgs = [cmd, args, callback];
+      callback(null, "output-data", "");
+    };
+
+    await convert("input.md", "markdown", "pdf", "output.pdf", undefined, mockExecFile);
+
+    expect(calledArgs[1][0]).toBe("--pdf-engine=xelatex");
+    expect(calledArgs[1]).toContain("input.md");
+    expect(calledArgs[1]).toContain("-f");
+    expect(calledArgs[1]).toContain("markdown");
+    expect(calledArgs[1]).toContain("-t");
+    expect(calledArgs[1]).toContain("pdf");
+    expect(calledArgs[1]).toContain("-o");
+    expect(calledArgs[1]).toContain("output.pdf");
+  });
+
+  test("should reject if execFile returns an error", async () => {
+    mockExecFile = (cmd, args, callback) => callback(new Error("fail"), "", "");
+    expect(
+      convert("input.md", "markdown", "html", "output.html", undefined, mockExecFile),
+    ).rejects.toMatch(/error: Error: fail/);
+  });
+});