d2-rs 0.1.0

The d2-rs command-line tool, a Rust port of D2's d2cli package.
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.

use super::*;

#[test]
fn named_wildcards_write_complete_source_board_trees() {
    // Go d2cli.main's noChildren=false and renderWithPNGEncoder traversal,
    // including selected leaves, folder-only boards and mixed collections.
    // See the langlibelk-cli fixture recipes.
    let cases: serde_json::Value = serde_json::from_str(d2_rs_testdata::oracle_fixture!(
        "tests/fixtures/subtree-output-source-v090.json"
    ))
    .unwrap();
    let root = std::env::temp_dir().join(format!("d2-rs-subtree-{}", std::process::id()));
    std::fs::create_dir_all(&root).unwrap();
    for case in cases.as_array().unwrap() {
        let directory = root.join(case["name"].as_str().unwrap());
        std::fs::create_dir_all(&directory).unwrap();
        let input = directory.join("input.d2");
        let output = directory.join("out.svg");
        std::fs::write(&input, case["source"].as_str().unwrap()).unwrap();
        for split_flag in [false, true] {
            let mut args = vec![
                "--pad=0".into(),
                "--bundle=false".into(),
                "--omit-version".into(),
                "--no-xml-tag".into(),
            ];
            let target = case["target"].as_str().unwrap();
            if split_flag {
                args.extend(["--target".into(), target.into()]);
            } else {
                args.push(format!("--target={target}"));
            }
            args.extend([
                input.to_string_lossy().into_owned(),
                output.to_string_lossy().into_owned(),
            ]);
            assert!(run_document(&args).unwrap().is_empty());
            let mut pending = vec![directory.clone()];
            let mut actual = BTreeMap::new();
            while let Some(parent) = pending.pop() {
                for entry in std::fs::read_dir(parent).unwrap() {
                    let path = entry.unwrap().path();
                    if path.is_dir() {
                        pending.push(path);
                    } else if path != input {
                        actual.insert(
                            path.strip_prefix(&directory)
                                .unwrap()
                                .to_string_lossy()
                                .into_owned(),
                            std::fs::read_to_string(path).unwrap(),
                        );
                    }
                }
            }
            let expected: BTreeMap<String, String> =
                serde_json::from_value(case["outputs"].clone()).unwrap();
            assert_eq!(
                actual.keys().collect::<Vec<_>>(),
                expected.keys().collect::<Vec<_>>(),
                "{target}"
            );
            for (name, expected) in &expected {
                assert_eq!(&actual[name], expected, "{target}: {name}");
            }
        }
    }
    std::fs::remove_dir_all(root).unwrap();
}