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test: add unit test for imagemagick.ts

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This commit is contained in:
Jörg Krzeslak 2025-07-24 13:50:29 +02:00
parent 7f9c8868fd
commit f1730ede97
3 changed files with 198 additions and 6 deletions
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20
tests/converters/dvisvgm.test.ts
View file

@ -1,5 +1,5 @@
import type { ExecFileException } from "node:child_process";
import { expect, test } from "bun:test";
import { beforeEach, expect, test } from "bun:test";
import { convert } from "../../src/converters/dvisvgm.ts";
import { ExecFileFn } from "../../src/converters/types.ts";
import {
@ -8,6 +8,12 @@ import {
runConvertSuccessTest,
} from "./helpers/converters.ts";
let calls: string[][] = [];
beforeEach(() => {
calls = [];
});
test("convert resolves when execFile succeeds", async () => {
await runConvertSuccessTest(convert);
});
@ -33,14 +39,16 @@ test("convert respects eps filetype", async () => {
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.obj", "eps", "stl", "output.stl", undefined, mockExecFile);
const result = await convert("input.eps", "eps", "stl", "output.stl", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(expect.arrayContaining(["--eps", "input.eps", "output.stl"]));
expect(loggedMessage).toBe("stdout: Fake stdout");
});
@ -57,14 +65,16 @@ test("convert respects pdf filetype", async () => {
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.obj", "pdf", "stl", "output.stl", undefined, mockExecFile);
const result = await convert("input.pdf", "pdf", "stl", "output.stl", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(expect.arrayContaining(["--pdf", "input.pdf", "output.stl"]));
expect(loggedMessage).toBe("stdout: Fake stdout");
});
@ -81,13 +91,15 @@ test("convert respects svgz conversion target type", async () => {
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.obj", "eps", "svgz", "output.stl", undefined, mockExecFile);
const result = await convert("input.obj", "eps", "svgz", "output.svgz", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(expect.arrayContaining(["-z", "input.obj", "output.svgz"]));
expect(loggedMessage).toBe("stdout: Fake stdout");
});

179
tests/converters/imagemagick.test.ts Normal file
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@ -0,0 +1,179 @@
import type { ExecFileException } from "node:child_process";
import { beforeEach, expect, test } from "bun:test";
import { convert } from "../../src/converters/imagemagick.ts";
import { ExecFileFn } from "../../src/converters/types.ts";
import {
runConvertFailTest,
runConvertLogsStderror,
runConvertSuccessTest,
} from "./helpers/converters.ts";
let calls: string[][] = [];
beforeEach(() => {
calls = [];
});
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);
});
test("convert respects ico conversion target type", async () => {
const originalConsoleLog = console.log;
let loggedMessage = "";
console.log = (msg) => {
loggedMessage = msg;
};
const mockExecFile: ExecFileFn = (
_cmd: string,
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.obj", "eps", "ico", "output.ico", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(
expect.arrayContaining([
"-define",
"icon:auto-resize=256,128,64,48,32,16",
"-background",
"none",
"input.obj",
"output.ico",
]),
);
expect(loggedMessage).toBe("stdout: Fake stdout");
});
test("convert respects ico conversion target type with svg as input filetype", async () => {
const originalConsoleLog = console.log;
let loggedMessage = "";
console.log = (msg) => {
loggedMessage = msg;
};
const mockExecFile: ExecFileFn = (
_cmd: string,
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.svg", "svg", "ico", "output.ico", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(
expect.arrayContaining([
"-define",
"icon:auto-resize=256,128,64,48,32,16",
"-background",
"none",
"-density",
"512",
"input.svg",
"output.ico",
]),
);
expect(loggedMessage).toBe("stdout: Fake stdout");
});
test("convert respects ico conversion target type with emf as input filetype", async () => {
const originalConsoleLog = console.log;
let loggedMessage = "";
console.log = (msg) => {
loggedMessage = msg;
};
const mockExecFile: ExecFileFn = (
_cmd: string,
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.emf", "emf", "ico", "output.ico", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(
expect.arrayContaining([
"-define",
"icon:auto-resize=256,128,64,48,32,16",
"-background",
"none",
"emf:delegate=false",
"-density",
"300",
"white",
"-alpha",
"remove",
"input.emf",
"output.ico",
]),
);
expect(loggedMessage).toBe("stdout: Fake stdout");
});
test("convert respects emf as input filetype", async () => {
const originalConsoleLog = console.log;
let loggedMessage = "";
console.log = (msg) => {
loggedMessage = msg;
};
const mockExecFile: ExecFileFn = (
_cmd: string,
_args: string[],
callback: (err: ExecFileException | null, stdout: string, stderr: string) => void,
) => {
calls.push(_args);
callback(null, "Fake stdout", "");
};
const result = await convert("input.emf", "emf", "obj", "output.obj", undefined, mockExecFile);
console.log = originalConsoleLog;
expect(result).toBe("Done");
expect(calls[0]).toEqual(
expect.arrayContaining([
"-define",
"emf:delegate=false",
"-density",
"300",
"-background",
"white",
"-alpha",
"remove",
"input.emf",
"output.obj",
]),
);
expect(loggedMessage).toBe("stdout: Fake stdout");
});