415 lines
20 KiB
Rust
415 lines
20 KiB
Rust
//! End-to-end tests of the `lightcraft-cli` binary: `mcp` over real stdio pipes, `render`, `commands`.
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use std::io::{BufRead, BufReader, Write};
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use std::process::{Command, Stdio};
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use serde_json::{Value, json};
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const BIN: &str = env!("CARGO_BIN_EXE_lightcraft-cli");
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fn tmp(name: &str) -> std::path::PathBuf {
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let d = std::env::temp_dir().join(format!("lightcraft-cli-test-{}", std::process::id()));
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std::fs::create_dir_all(&d).unwrap();
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d.join(name)
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}
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fn gradient_png(path: &std::path::Path) {
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let img = lightcraft_raster::Rgba8::from_fn(120, 80, |x, y| [(x * 2) as u8, (y * 3) as u8, 100, 255]);
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let png = lightcraft_codecs::encode_png(&lightcraft_codecs::EncodeImage::rgba8(&img), &Default::default()).unwrap();
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std::fs::write(path, png).unwrap();
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}
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#[test]
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fn calibrate_reads_raf_inputs_and_reports_bad_files() {
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let input = tmp("invalid.RAF");
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std::fs::write(&input, b"FUJIFILMCCD-RAW").unwrap();
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let out = tmp("raf-profiles");
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let result = Command::new(BIN).args(["calibrate", "--out"]).arg(&out).arg(&input).output().unwrap();
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assert!(!result.status.success());
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let stderr = String::from_utf8_lossy(&result.stderr);
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assert!(stderr.contains("1 of 1 raw files"), "RAF was silently ignored: {stderr}");
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assert!(stderr.contains("invalid.RAF") && stderr.contains("no profile written"), "{stderr}");
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assert!(!out.join("X-T4.json").exists(), "bad input must not produce a profile");
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}
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fn mean(path: &std::path::Path) -> f64 {
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let d = lightcraft_codecs::decode(&std::fs::read(path).unwrap(), Default::default()).unwrap();
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let img = d.to_srgb8();
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img.data.iter().map(|p| (p[0] as u32 + p[1] as u32 + p[2] as u32) as f64).sum::<f64>() / (3 * img.data.len()) as f64
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}
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#[test]
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fn mcp_over_stdio_sets_exposure_and_renders() {
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let input = tmp("in.png");
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gradient_png(&input);
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let mut child =
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Command::new(BIN).args(["mcp", input.to_str().unwrap()]).stdin(Stdio::piped()).stdout(Stdio::piped()).stderr(Stdio::null()).spawn().unwrap();
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let mut stdin = child.stdin.take().unwrap();
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let mut stdout = BufReader::new(child.stdout.take().unwrap());
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let mut rpc = |id: u64, method: &str, params: Value| -> Value {
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writeln!(stdin, "{}", json!({"jsonrpc": "2.0", "id": id, "method": method, "params": params})).unwrap();
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stdin.flush().unwrap();
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let mut line = String::new();
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stdout.read_line(&mut line).unwrap();
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let v: Value = serde_json::from_str(&line).unwrap();
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assert_eq!(v["id"], id);
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v
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};
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let init = rpc(1, "initialize", json!({"protocolVersion": "2025-06-18", "capabilities": {}, "clientInfo": {"name": "cli-test", "version": "0"}}));
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assert_eq!(init["result"]["protocolVersion"], "2025-06-18");
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let tools = rpc(2, "tools/list", json!({}));
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assert!(tools["result"]["tools"].as_array().unwrap().len() > 50);
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let base = tmp("base.png");
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let bright = tmp("bright.png");
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let r = rpc(3, "tools/call", json!({"name": "render_photo", "arguments": {"path": base.to_str().unwrap()}}));
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assert_eq!(r["result"]["isError"], false, "{r}");
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let r = rpc(4, "tools/call", json!({"name": "set_develop", "arguments": {"values": {"light.exposure": 1.0}}}));
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assert_eq!(r["result"]["isError"], false, "{r}");
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let r = rpc(5, "tools/call", json!({"name": "render_photo", "arguments": {"path": bright.to_str().unwrap()}}));
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assert_eq!(r["result"]["isError"], false, "{r}");
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assert_eq!(r["result"]["content"][0]["type"], "image");
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drop(stdin);
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assert!(child.wait().unwrap().success());
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let (a, b) = (mean(&base), mean(&bright));
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println!("cli mcp: mean sRGB exposure 0 → {a:.1}, +1 → {b:.1}");
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assert!(b > a + 10.0, "{a} → {b}");
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}
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#[test]
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fn render_subcommand() {
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let input = tmp("r-in.png");
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gradient_png(&input);
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let plain = tmp("r-plain.png");
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let out = tmp("r-out.jpg");
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let st = Command::new(BIN).args(["render", input.to_str().unwrap(), "-o", plain.to_str().unwrap()]).status().unwrap();
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assert!(st.success());
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let st = Command::new(BIN)
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.args(["render", input.to_str().unwrap(), "-o", out.to_str().unwrap(), "--set", "light.exposure=1", "--size", "60"])
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.status()
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.unwrap();
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assert!(st.success());
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let d = lightcraft_codecs::decode(&std::fs::read(&out).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (60, 40));
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let d = lightcraft_codecs::decode(&std::fs::read(&plain).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (120, 80));
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assert!(mean(&out) > mean(&plain) + 10.0);
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// Bad control id fails cleanly.
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let o = Command::new(BIN).args(["render", input.to_str().unwrap(), "-o", out.to_str().unwrap(), "--set", "nope=1"]).output().unwrap();
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assert!(!o.status.success());
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assert!(String::from_utf8_lossy(&o.stderr).contains("unknown control"));
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}
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/// Issue #93: `render IMG -o IMG` replaced its own input with the render.
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#[test]
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fn render_refuses_to_overwrite_its_input() {
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let input = tmp("self-in.png");
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gradient_png(&input);
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let before = std::fs::read(&input).unwrap();
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let dir = input.parent().unwrap();
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std::fs::create_dir_all(dir.join("sub")).unwrap();
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let other_spelling = dir.join("sub/../self-in.png");
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for out in [&input, &other_spelling] {
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let o =
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Command::new(BIN).args(["render", input.to_str().unwrap(), "-o", out.to_str().unwrap(), "--set", "light.exposure=1"]).output().unwrap();
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assert!(!o.status.success());
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assert!(String::from_utf8_lossy(&o.stderr).contains("never writes over an original"), "{}", String::from_utf8_lossy(&o.stderr));
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}
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assert_eq!(std::fs::read(&input).unwrap(), before, "the input is untouched");
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}
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#[test]
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fn render_export_options() {
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let input = tmp("o-in.png");
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gradient_png(&input);
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let out = tmp("o-out.tif");
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let st = Command::new(BIN)
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.args(["render", input.to_str().unwrap(), "-o", out.to_str().unwrap()])
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.args(["--opt", "shortEdge=40", "--opt", "colorSpace=displayP3", "--opt", "bitDepth=16"])
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.status()
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.unwrap();
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assert!(st.success());
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let d = lightcraft_codecs::decode(&std::fs::read(&out).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (60, 40));
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assert_eq!(d.space.named, Some(lightcraft_codecs::NamedSpace::DisplayP3));
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// original + sidecar named after the output
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let out = tmp("o-copy.png");
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let st = Command::new(BIN)
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.args(["render", input.to_str().unwrap(), "-o", out.to_str().unwrap(), "--set", "light.exposure=1", "--opt", "format=original"])
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.status()
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.unwrap();
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assert!(st.success());
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assert_eq!(std::fs::read(&out).unwrap(), std::fs::read(&input).unwrap());
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let xmp = std::fs::read_to_string(out.with_extension("xmp")).unwrap();
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assert!(xmp.contains("exposure"), "{xmp}");
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// unknown extension fails with a hint
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let o = Command::new(BIN).args(["render", input.to_str().unwrap(), "-o", tmp("x.bmp").to_str().unwrap()]).output().unwrap();
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assert!(!o.status.success() && String::from_utf8_lossy(&o.stderr).contains("unknown extension"));
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}
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#[test]
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fn commands_subcommand_lists_registry() {
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let o = Command::new(BIN).args(["commands", "--json"]).output().unwrap();
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assert!(o.status.success());
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let v: Value = serde_json::from_slice(&o.stdout).unwrap();
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let ids: Vec<&str> = v.as_array().unwrap().iter().filter_map(|c| c["id"].as_str()).collect();
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for id in ["develop.set", "photo.rate", "library.import", "edit.undo", "app.export"] {
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assert!(ids.contains(&id), "{id}");
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}
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let o = Command::new(BIN).arg("controls").output().unwrap();
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assert!(String::from_utf8_lossy(&o.stdout).contains("light.exposure"));
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}
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#[test]
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fn snapshot_subcommand_renders_the_ui_headlessly() {
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let script = tmp("snap.jsonl");
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let a = tmp("snap-grid.png");
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let b = tmp("snap-export.png");
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std::fs::write(
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&script,
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format!(
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"# comment\n{}\n{}\n{}\n{}\n{}\n{}\n",
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json!({"method": "ui.set", "params": {"view": "photoGrid"}}),
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// (settled: under load a grid shot taken before its thumbnails is darker than the
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// dimmed export dialog over them, and the comparison below fails)
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json!({"method": "ui.settle", "params": {"timeoutMs": 20000}}),
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json!({"method": "ui.screenshot"}),
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json!({"method": "engine.execute", "params": {"command": "dialog.export"}}),
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json!({"method": "ui.settle", "params": {"timeoutMs": 20000}}),
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json!({"method": "ui.screenshot", "params": {"path": b.to_str().unwrap()}}),
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),
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)
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.unwrap();
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let o = Command::new(BIN)
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.args(["snapshot", "--demo", "--script", script.to_str().unwrap(), "-o", a.to_str().unwrap(), "--size", "640x400"])
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.output()
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.unwrap();
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assert!(o.status.success(), "{}", String::from_utf8_lossy(&o.stderr));
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let replies: Vec<Value> = String::from_utf8_lossy(&o.stdout).lines().map(|l| serde_json::from_str(l).unwrap()).collect();
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assert_eq!(replies.len(), 6);
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assert!(replies.iter().all(|r| r["ok"] == true), "{replies:?}");
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for (p, dimmed) in [(&a, false), (&b, true)] {
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let d = lightcraft_codecs::decode(&std::fs::read(p).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (640, 400));
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// the export dialog dims everything around it
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assert_eq!(mean(p) < mean(&a) - 2.0, dimmed, "{}", p.display());
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}
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// no script: one settled screenshot, at 2× scale
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let o = Command::new(BIN).args(["snapshot", "-o", a.to_str().unwrap(), "--size", "320x240", "--scale", "2"]).output().unwrap();
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assert!(o.status.success(), "{}", String::from_utf8_lossy(&o.stderr));
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let d = lightcraft_codecs::decode(&std::fs::read(&a).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (640, 480));
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}
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/// Issue #166: a scripted request that fails makes `snapshot` exit non-zero. The failed reply is
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/// still printed, the later lines still run, and the final `-o` screenshot is still written.
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#[test]
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fn snapshot_script_failure_exits_non_zero() {
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let script = tmp("snap-fail.jsonl");
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let out = tmp("snap-fail.png");
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std::fs::write(
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&script,
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format!(
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"{}\n{}\n",
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json!({"method": "ui.set", "params": {"view": "grid"}}), // not a view: `photoGrid`, `detail`, …
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json!({"method": "ui.set", "params": {"view": "photoGrid"}}),
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),
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)
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.unwrap();
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let _ = std::fs::remove_file(&out);
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let o = Command::new(BIN)
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.args(["snapshot", "--demo", "--script", script.to_str().unwrap(), "-o", out.to_str().unwrap(), "--size", "320x200"])
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.output()
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.unwrap();
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let stderr = String::from_utf8_lossy(&o.stderr);
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assert!(!o.status.success(), "a failed scripted request must fail the run\n{stderr}");
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assert!(stderr.contains("1 scripted request(s) failed"), "{stderr}");
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let replies: Vec<Value> = String::from_utf8_lossy(&o.stdout).lines().map(|l| serde_json::from_str(l).unwrap()).collect();
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assert_eq!(replies.len(), 2, "{replies:?}");
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assert_eq!(replies[0]["ok"], false, "{replies:?}");
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assert!(replies[0]["error"].as_str().unwrap_or("").contains("grid"), "{replies:?}");
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assert_eq!(replies[1]["ok"], true, "{replies:?}");
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// continue-and-report: the final screenshot is still written
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let d = lightcraft_codecs::decode(&std::fs::read(&out).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (320, 200));
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}
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/// Issue #136: with the GPU switched off from the environment the UI starts and renders on the CPU,
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/// without creating a GPU device (no driver is loaded), and says why.
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#[test]
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fn snapshot_starts_without_a_gpu() {
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let script = tmp("nogpu.jsonl");
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std::fs::write(
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&script,
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format!(
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"{}\n{}\n{}\n",
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json!({"method": "ui.set", "params": {"view": "photoGrid"}}),
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json!({"method": "engine.execute", "params": {"command": "app.gpu"}}),
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json!({"method": "ui.screenshot"}),
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),
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)
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.unwrap();
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for (var, value, reason) in [("LIGHTCRAFT_GPU", "0", "LIGHTCRAFT_GPU=0"), ("LIGHTCRAFT_GPU_BACKEND", "off", "LIGHTCRAFT_GPU_BACKEND=off")] {
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let out = tmp(&format!("nogpu-{var}.png"));
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let o = Command::new(BIN)
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.env_remove("LIGHTCRAFT_GPU")
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.env_remove("LIGHTCRAFT_GPU_BACKEND")
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.env(var, value)
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.args(["snapshot", "--demo", "--script", script.to_str().unwrap(), "-o", out.to_str().unwrap(), "--size", "480x320"])
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.output()
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.unwrap();
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assert!(o.status.success(), "{var}: {}", String::from_utf8_lossy(&o.stderr));
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let replies: Vec<Value> = String::from_utf8_lossy(&o.stdout).lines().map(|l| serde_json::from_str(l).unwrap()).collect();
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assert!(replies.iter().all(|r| r["ok"] == true), "{replies:?}");
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let gpu = &replies[1]["result"];
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assert_eq!(gpu["available"], false, "{var}: {gpu}");
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assert_eq!(gpu["adapter"], Value::Null, "{var}: no device was created: {gpu}");
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assert!(gpu["reason"].as_str().is_some_and(|r| r.contains(reason)), "{var}: {gpu}");
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let d = lightcraft_codecs::decode(&std::fs::read(&out).unwrap(), Default::default()).unwrap();
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assert_eq!((d.width, d.height), (480, 320));
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}
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}
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fn run_cli(args: &[&str], stdin: Option<&str>) -> (bool, Vec<Value>, String) {
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let mut child = Command::new(BIN).arg("run").args(args).stdin(Stdio::piped()).stdout(Stdio::piped()).stderr(Stdio::piped()).spawn().unwrap();
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if let Some(text) = stdin {
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child.stdin.take().unwrap().write_all(text.as_bytes()).unwrap();
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}
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drop(child.stdin.take());
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let o = child.wait_with_output().unwrap();
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let lines = String::from_utf8_lossy(&o.stdout).lines().map(|l| serde_json::from_str(l).unwrap()).collect();
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(o.status.success(), lines, String::from_utf8_lossy(&o.stderr).to_string())
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}
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#[test]
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fn run_subcommand_chains_commands_and_persists_a_library() {
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let input = tmp("run-in.png");
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gradient_png(&input);
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let lib = tmp("run-lib");
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let _ = std::fs::remove_dir_all(&lib);
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let out = tmp("run-out.jpg");
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let (lib_s, in_s, out_s) = (lib.to_str().unwrap(), input.to_str().unwrap(), out.to_str().unwrap());
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// import into a library, edit, export, in one invocation
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let (ok, lines, err) = run_cli(
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&[
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"--library",
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lib_s,
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"--import",
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in_s,
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"develop.set",
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"control=light.exposure",
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"value=0.75",
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"app.export",
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&format!("path={out_s}"),
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"width=60",
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],
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None,
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);
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assert!(ok, "{err}");
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assert_eq!(lines.len(), 2);
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assert!(lines.iter().all(|l| l["ok"] == true), "{lines:?}");
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assert_eq!(lines[1]["result"]["width"], 60);
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assert!(out.exists());
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// a second invocation sees the saved edit (same file: selected again, not re-imported)
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let (ok, lines, err) = run_cli(&["--library", lib_s, "--import", in_s, "develop.get"], None);
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assert!(ok, "{err}");
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assert_eq!(lines[0]["result"]["light"]["exposure"], 0.75);
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// JSON-lines script from stdin, a failing command stops the run with a non-zero status
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let script = "{\"command\": \"library.info\"}\n# comment\n{\"command\": \"no.such\"}\n{\"command\": \"library.info\"}\n";
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let (ok, lines, _) = run_cli(&["--demo", "--script", "-"], Some(script));
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assert!(!ok);
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assert_eq!(lines.len(), 2, "stopped after the failure: {lines:?}");
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assert_eq!(lines[1]["ok"], false);
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let (ok, lines, _) = run_cli(&["--demo", "--keep-going", "--script", "-"], Some(script));
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assert!(!ok);
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assert_eq!(lines.len(), 3);
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// control-protocol methods work headlessly too; bad usage is reported
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let (ok, lines, _) = run_cli(&["--demo", "engine.commands"], None);
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assert!(ok && lines[0]["result"].as_array().is_some_and(|a| a.len() > 50));
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let (ok, _, err) = run_cli(&["--demo", "x=1"], None);
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assert!(!ok && err.contains("before any command"), "{err}");
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}
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#[test]
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fn devices_are_listed_and_imported_from() {
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let base = tmp("devices");
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let _ = std::fs::remove_dir_all(&base);
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std::fs::create_dir_all(base.join("CARD/DCIM/100TEST")).unwrap();
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gradient_png(&base.join("CARD/DCIM/100TEST/IMG_0001.png"));
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let o = Command::new(BIN).env("LIGHTCRAFT_DEVICE_ROOTS", &base).args(["run", "--demo", "library.devices"]).output().unwrap();
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assert!(o.status.success(), "{}", String::from_utf8_lossy(&o.stderr));
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let line: Value = serde_json::from_slice(o.stdout.split(|b| *b == b'\n').next().unwrap()).unwrap();
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let dev = &line["result"][0];
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assert_eq!(dev["name"], "CARD", "{line}");
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// the import review of its DCIM folder finds the photo
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let dcim = dev["path"].as_str().unwrap().to_string();
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// JSON-escaped: a Windows path has backslashes
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let paths = serde_json::to_string(&[&dcim]).unwrap();
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let o = Command::new(BIN).args(["run", "library.importPreview", &format!("paths={paths}")]).output().unwrap();
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let line: Value = serde_json::from_slice(o.stdout.split(|b| *b == b'\n').next().unwrap()).unwrap();
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assert_eq!(line["result"]["candidates"].as_array().map(Vec::len), Some(1), "{line}");
|
||
}
|
||
|
||
/// Issue #99: a library open in one process (here `mcp --library`) is refused by a second one,
|
||
/// with who has it and how to drive the running app instead; free again once the first exits.
|
||
#[test]
|
||
fn a_library_open_in_another_process_is_refused() {
|
||
let lib = tmp("locked-lib");
|
||
let _ = std::fs::remove_dir_all(&lib);
|
||
let lib_s = lib.to_str().unwrap();
|
||
let mut holder =
|
||
Command::new(BIN).args(["mcp", "--library", lib_s]).stdin(Stdio::piped()).stdout(Stdio::null()).stderr(Stdio::piped()).spawn().unwrap();
|
||
let mut err = BufReader::new(holder.stderr.take().unwrap());
|
||
let mut line = String::new();
|
||
while !line.contains("opened library") {
|
||
line.clear();
|
||
assert!(err.read_line(&mut line).unwrap() > 0, "mcp exited before opening the library");
|
||
}
|
||
let (ok, _, stderr) = run_cli(&["--library", lib_s, "library.info"], None);
|
||
assert!(!ok);
|
||
assert!(stderr.contains("already open in lightcraft-cli") && stderr.contains(&format!("process {}", holder.id())), "{stderr}");
|
||
assert!(stderr.contains("mcp --connect"), "{stderr}");
|
||
|
||
drop(holder.stdin.take()); // EOF: the server exits and lets go of the library
|
||
assert!(holder.wait().unwrap().success());
|
||
let (ok, lines, stderr) = run_cli(&["--library", lib_s, "library.info"], None);
|
||
assert!(ok, "{stderr}");
|
||
assert_eq!(lines[0]["ok"], true);
|
||
let _ = std::fs::remove_dir_all(&lib);
|
||
}
|
||
|
||
/// Issue #167: when `--connect ADDR` cannot reach the app, the recovery hint must name the port
|
||
/// ADDR actually names — following the old fixed "7980" left the retry connecting elsewhere.
|
||
#[test]
|
||
fn connect_failure_hint_names_the_attempted_port() {
|
||
let (ok, _lines, err) = run_cli(&["--connect", "127.0.0.1:18437", "ui.inspect"], None);
|
||
assert!(!ok);
|
||
assert!(err.contains("--control 18437"), "the hint must name the port it tried: {err}");
|
||
assert!(!err.contains("--control 7980"), "{err}");
|
||
}
|
||
|
||
/// The CLI logs warnings on stderr (#168): with `RUST_LOG=warn` an unknown GPU backend name is
|
||
/// reported, and `RUST_LOG=off` silences it. Before, no logger was installed and nothing appeared.
|
||
#[test]
|
||
fn warnings_are_logged_on_stderr() {
|
||
let input = tmp("log-in.png");
|
||
gradient_png(&input);
|
||
let out = tmp("log-out.jpg");
|
||
let run = |level: &str| {
|
||
let o = Command::new(BIN)
|
||
.args(["render", input.to_str().unwrap(), "-o", out.to_str().unwrap()])
|
||
.env("LIGHTCRAFT_GPU_BACKEND", "bogus")
|
||
.env("RUST_LOG", level)
|
||
.env_remove("LIGHTCRAFT_LOG")
|
||
.env_remove("LIGHTCRAFT_GPU")
|
||
.output()
|
||
.unwrap();
|
||
let stderr = String::from_utf8_lossy(&o.stderr).into_owned();
|
||
assert!(o.status.success(), "{stderr}");
|
||
stderr
|
||
};
|
||
let warn = run("warn");
|
||
assert!(warn.contains("LIGHTCRAFT_GPU_BACKEND=bogus names no known backend"), "{warn}");
|
||
let off = run("off");
|
||
assert!(!off.contains("names no known backend"), "{off}");
|
||
}
|