add test

Signed-off-by: scepter914 <scepter914@gmail.com>

Author: scepter914

tests/test_project.rs

@@ -3,6 +3,43 @@ use predicates::prelude::*;
 use std::fs;
 use tempfile::tempdir;
 
+#[test]
+fn test_init() {
+    let temp_dir = tempdir().unwrap();
+
+    let mut cmd = cargo_bin_cmd!("ml-cellar");
+    cmd.arg("init");
+    cmd.current_dir(temp_dir.path());
+    cmd.assert().success();
+
+    // Check .gitattributes
+    let gitattributes_path = temp_dir.path().join(".gitattributes");
+    assert!(gitattributes_path.is_file(), ".gitattributes should exist");
+
+    let gitattributes_text = fs::read_to_string(&gitattributes_path).unwrap();
+    let target_gitattributes = fs::read_to_string("tests/fixtures/.gitattributes").unwrap();
+    assert!(
+        gitattributes_text == target_gitattributes,
+        ".gitattributes is \n***\n{} \n*** \n and different from the target file.",
+        gitattributes_text
+    );
+
+    // Check .mlcellar.toml
+    let repository_config_path = temp_dir.path().join(".mlcellar.toml");
+    assert!(
+        repository_config_path.is_file(),
+        ".mlcellar.toml should exist"
+    );
+
+    let mlcellar_text = fs::read_to_string(&repository_config_path).unwrap();
+    let target_mlcellar = fs::read_to_string("tests/fixtures/.mlcellar.toml").unwrap();
+    assert!(
+        mlcellar_text == target_mlcellar,
+        ".mlcellar.toml is \n***\n{} \n*** \n and different from the target file.",
+        mlcellar_text
+    );
+}
+
 #[test]
 fn test_project() {
     let temp_dir = tempdir().unwrap();