test: add unit test for inkscape.ts

src/converters/graphicsmagick.ts

@@ -315,7 +315,7 @@ export function convert(
   convertTo: string,
   targetPath: string,
   options?: unknown,
-  execFile: ExecFileFn = execFileOriginal,
+  execFile: ExecFileFn = execFileOriginal, // to make it mockable
 ): Promise<string> {
   return new Promise((resolve, reject) => {
     execFile("gm", ["convert", filePath, targetPath], (error, stdout, stderr) => {

src/converters/imagemagick.ts

@@ -447,7 +447,7 @@ export function convert(
   convertTo: string,
   targetPath: string,
   options?: unknown,
-  execFile: ExecFileFn = execFileOriginal,
+  execFile: ExecFileFn = execFileOriginal, // to make it mockable
 ): Promise<string> {
   let outputArgs: string[] = [];
   let inputArgs: string[] = [];

src/converters/inkscape.ts

@@ -1,4 +1,5 @@
-import { execFile } from "node:child_process";
+import { execFile as execFileOriginal } from "node:child_process";
+import { ExecFileFn } from "./types.ts";
 
 export const properties = {
   from: {
@@ -32,8 +33,8 @@ export function convert(
   fileType: string,
   convertTo: string,
   targetPath: string,
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   options?: unknown,
+  execFile: ExecFileFn = execFileOriginal, // to make it mockable
 ): Promise<string> {
   return new Promise((resolve, reject) => {
     execFile("inkscape", [filePath, "-o", targetPath], (error, stdout, stderr) => {

tests/converters/inkscape.test.ts

@@ -0,0 +1,19 @@
+import { test } from "bun:test";
+import { convert } from "../../src/converters/inkscape.ts";
+import {
+  runConvertFailTest,
+  runConvertLogsStderror,
+  runConvertSuccessTest,
+} from "./helpers/converters.ts";
+
+test("convert resolves when execFile succeeds", async () => {
+  await runConvertSuccessTest(convert);
+});
+
+test("convert rejects when execFile fails", async () => {
+  await runConvertFailTest(convert);
+});
+
+test("convert logs stderr when present", async () => {
+  await runConvertLogsStderror(convert);
+});