feat: add native Qt support and dcr lint command; refactor architecture and integration tests

tests/cli_new.rs

@@ -0,0 +1,75 @@
+mod common;
+use common::*;
+
+#[test]
+fn help_and_version_work() {
+    let dir = unique_sandbox_dir("help");
+    let out = run_dcr(&["--help"], &dir);
+    assert!(out.status.success(), "--help should succeed");
+
+    let out = run_dcr(&["--version"], &dir);
+    assert!(out.status.success(), "--version should succeed");
+    let stdout = String::from_utf8_lossy(&out.stdout);
+    assert!(stdout.contains("dcr"), "version output should mention dcr");
+}
+
+#[test]
+fn new_creates_project_layout() {
+    let dir = unique_sandbox_dir("new");
+    let out = run_dcr(&["new", "hello"], &dir);
+    assert!(out.status.success(), "dcr new should succeed");
+
+    let project_dir = dir.join("hello");
+    assert!(project_dir.is_dir(), "project dir should exist");
+    assert!(project_dir.join("dcr.toml").is_file(), "dcr.toml missing");
+    assert!(
+        project_dir.join("src").join("main.c").is_file(),
+        "src/main.c missing"
+    );
+}
+
+#[test]
+fn new_vcs_options_work() {
+    // 1. Test --vcs none
+    let dir = unique_sandbox_dir("new_vcs_none");
+    let out = run_dcr(&["new", "hello_none", "--vcs", "none"], &dir);
+    assert!(out.status.success(), "dcr new --vcs none should succeed");
+    let project_dir = dir.join("hello_none");
+    assert!(project_dir.is_dir());
+    assert!(!project_dir.join(".git").exists());
+    assert!(!project_dir.join(".gitignore").exists());
+
+    // 2. Test --vcs git
+    if is_git_in_path() {
+        let dir = unique_sandbox_dir("new_vcs_git");
+        let out = run_dcr(&["new", "hello_git", "--vcs", "git"], &dir);
+        assert!(out.status.success(), "dcr new --vcs git should succeed");
+        let project_dir = dir.join("hello_git");
+        assert!(project_dir.is_dir());
+        assert!(project_dir.join(".git").is_dir());
+        assert!(project_dir.join(".gitignore").is_file());
+        let gitignore = std::fs::read_to_string(project_dir.join(".gitignore")).unwrap();
+        assert!(gitignore.contains("/target"));
+    }
+}
+
+#[test]
+fn init_vcs_options_work() {
+    // 1. Test --vcs none
+    let dir = unique_sandbox_dir("init_vcs_none");
+    let out = run_dcr(&["init", "--vcs", "none"], &dir);
+    assert!(out.status.success(), "dcr init --vcs none should succeed");
+    assert!(!dir.join(".git").exists());
+    assert!(!dir.join(".gitignore").exists());
+
+    // 2. Test --vcs git
+    if is_git_in_path() {
+        let dir = unique_sandbox_dir("init_vcs_git");
+        let out = run_dcr(&["init", "--vcs", "git"], &dir);
+        assert!(out.status.success(), "dcr init --vcs git should succeed");
+        assert!(dir.join(".git").is_dir());
+        assert!(dir.join(".gitignore").is_file());
+        let gitignore = std::fs::read_to_string(dir.join(".gitignore")).unwrap();
+        assert!(gitignore.contains("/target"));
+    }
+}