add tests (ai gen)

fs_test.go

@@ -0,0 +1,109 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+// tests creating a file in a temp dir
+func TestCreateFile(t *testing.T) {
+	tmpDir, err := os.MkdirTemp("", "mend_fs_test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	// test valid creation
+	filePath := filepath.Join(tmpDir, "test.md")
+	err = createFile(filePath, []byte("content"))
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		t.Error("file was not created")
+	}
+
+	// test creation failure (exists)
+	err = createFile(filePath, []byte("content"))
+	if err == nil {
+		t.Error("expected error for existing file, got nil")
+	}
+
+	// test empty path
+	err = createFile("", []byte{})
+	if err == nil {
+		t.Error("expected error for empty path, got nil")
+	}
+}
+
+// tests creating a folder
+func TestCreateFolder(t *testing.T) {
+	tmpDir, err := os.MkdirTemp("", "mend_fs_test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	folderPath := filepath.Join(tmpDir, "subfolder")
+	err = createFolder(folderPath)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	info, err := os.Stat(folderPath)
+	if os.IsNotExist(err) {
+		t.Error("folder was not created")
+	}
+	if !info.IsDir() {
+		t.Error("created path is not a directory")
+	}
+
+	// test creation failure (exists)
+	err = createFolder(folderPath)
+	if err == nil {
+		t.Error("expected error for existing folder, got nil")
+	}
+
+	// test empty path
+	err = createFolder("")
+	if err == nil {
+		t.Error("expected error for empty path, got nil")
+	}
+}
+
+// tests recursive deletion
+func TestDeletePath(t *testing.T) {
+	tmpDir, err := os.MkdirTemp("", "mend_fs_test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	subDir := filepath.Join(tmpDir, "subdir")
+	os.Mkdir(subDir, 0755)
+	fileInSubDir := filepath.Join(subDir, "file.txt")
+	os.WriteFile(fileInSubDir, []byte("data"), 0644)
+
+	err = deletePath(subDir)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	if _, err := os.Stat(subDir); !os.IsNotExist(err) {
+		t.Error("directory was not deleted")
+	}
+
+	// test delete non-existent
+	err = deletePath(filepath.Join(tmpDir, "nonexistent"))
+	if err == nil {
+		t.Error("expected error for nonexistent path, got nil")
+	}
+
+	// test empty path
+	err = deletePath("")
+	if err == nil {
+		t.Error("expected error for empty path, got nil")
+	}
+}