+++ /dev/null
-// Copyright 2020 The Go 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 fake
-
-import (
- "strings"
- "testing"
-)
-
-func TestApplyEdit(t *testing.T) {
- tests := []struct {
- label string
- content string
- edits []Edit
- want string
- wantErr bool
- }{
- {
- label: "empty content",
- },
- {
- label: "empty edit",
- content: "hello",
- edits: []Edit{},
- want: "hello",
- },
- {
- label: "unicode edit",
- content: "hello, 日本語",
- edits: []Edit{{
- Start: Pos{Line: 0, Column: 7},
- End: Pos{Line: 0, Column: 10},
- Text: "world",
- }},
- want: "hello, world",
- },
- {
- label: "range edit",
- content: "ABC\nDEF\nGHI\nJKL",
- edits: []Edit{{
- Start: Pos{Line: 1, Column: 1},
- End: Pos{Line: 2, Column: 3},
- Text: "12\n345",
- }},
- want: "ABC\nD12\n345\nJKL",
- },
- {
- label: "end before start",
- content: "ABC\nDEF\nGHI\nJKL",
- edits: []Edit{{
- End: Pos{Line: 1, Column: 1},
- Start: Pos{Line: 2, Column: 3},
- Text: "12\n345",
- }},
- wantErr: true,
- },
- {
- label: "out of bounds line",
- content: "ABC\nDEF\nGHI\nJKL",
- edits: []Edit{{
- Start: Pos{Line: 1, Column: 1},
- End: Pos{Line: 4, Column: 3},
- Text: "12\n345",
- }},
- wantErr: true,
- },
- {
- label: "out of bounds column",
- content: "ABC\nDEF\nGHI\nJKL",
- edits: []Edit{{
- Start: Pos{Line: 1, Column: 4},
- End: Pos{Line: 2, Column: 3},
- Text: "12\n345",
- }},
- wantErr: true,
- },
- }
-
- for _, test := range tests {
- test := test
- t.Run(test.label, func(t *testing.T) {
- lines := strings.Split(test.content, "\n")
- newLines, err := editContent(lines, test.edits)
- if (err != nil) != test.wantErr {
- t.Errorf("got err %v, want error: %t", err, test.wantErr)
- }
- if err != nil {
- return
- }
- if got := strings.Join(newLines, "\n"); got != test.want {
- t.Errorf("got %q, want %q", got, test.want)
- }
- })
- }
-}