Implement test list files

server/internal/storage/files_test.go

@@ -0,0 +1,60 @@
+// Package storage_test provides tests for the storage package.
+package storage_test
+
+import (
+	"novamd/internal/storage"
+	"novamd/internal/testutils"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestListFilesRecursively(t *testing.T) {
+	tests := []testutils.TestCase{
+		{
+			Name: "empty workspace returns empty list",
+			Setup: func(t *testing.T, fixtures any) {
+				fs := fixtures.(*MapFS)
+				require.NoError(t, fs.MkdirAll("/test/root/1/1", 0755))
+			},
+			Fixtures: NewMapFS(),
+			Validate: func(t *testing.T, result any, err error) {
+				require.NoError(t, err)
+				files := result.([]storage.FileNode)
+				assert.Empty(t, files)
+			},
+		},
+		{
+			Name: "lists files and directories correctly",
+			Setup: func(t *testing.T, fixtures any) {
+				fs := fixtures.(*MapFS)
+				err := fs.WriteFile("/test/root/1/1/file1.md", []byte("content1"), 0644)
+				require.NoError(t, err, "Failed to write file1.md")
+
+				err = fs.WriteFile("/test/root/1/1/dir/file2.md", []byte("content2"), 0644)
+				require.NoError(t, err, "Failed to write file2.md")
+			},
+			Fixtures: NewMapFS(),
+			Validate: func(t *testing.T, result any, err error) {
+				require.NoError(t, err)
+				files := result.([]storage.FileNode)
+				require.Len(t, files, 2)
+				assert.Equal(t, "dir", files[0].Name)
+				assert.Equal(t, "file1.md", files[1].Name)
+				assert.Len(t, files[0].Children, 1)
+				assert.Equal(t, "file2.md", files[0].Children[0].Name)
+			},
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.Name, func(t *testing.T) {
+			fs := tc.Fixtures.(*MapFS)
+			srv := storage.NewServiceWithFS("/test/root", fs)
+			tc.Setup(t, tc.Fixtures)
+			files, err := srv.ListFilesRecursively(1, 1)
+			tc.Validate(t, files, err)
+		})
+	}
+}