// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package main

import (
	"testing"

	"github.com/google/go-cmp/cmp"
)

func TestNewFileEdit(t *testing.T) {
	t.Parallel()
	var tests = []struct {
		input       string
		expected    *fileEdit
		expectedErr bool
	}{
		{
			input: "path/to/file:test-contents",
			expected: &fileEdit{
				filepath: "path/to/file",
				contents: "test-contents",
			},
			expectedErr: false,
		},
		{
			input:       "invalid-input",
			expected:    nil,
			expectedErr: true,
		},
	}
	for _, test := range tests {
		edit, err := newFileEdit(test.input)
		if err == nil {
			if test.expectedErr {
				t.Errorf("expected error, got nil")
			}
		} else if !test.expectedErr {
			t.Errorf("got unexpected err %v", err)
		}
		if diff := cmp.Diff(test.expected, edit, cmp.AllowUnexported(fileEdit{})); diff != "" {
			t.Fatalf("different (-want +got):\n%s", diff)
		}
	}
}