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49e4010bbf
Add two new fake editor commands: Formatting and OrganizeImports, which delegate to textDocument/formatting and textDocument/codeAction respectively. Use this in simple regtests, as well as on save. Implementing this required fixing a broken assumption about text edits in the editor: previously these edits were incrementally mutating the buffer, but the correct implementation should simultaneously mutate the buffer (i.e., all positions in an edit set refer to the starting buffer state). This never mattered before because we were only operating on one edit at a time. Updates golang/go#36879 Change-Id: I6dec343c4e202288fa20c26df2fbafe9340a1bce Reviewed-on: https://go-review.googlesource.com/c/tools/+/221539 Run-TryBot: Robert Findley <rfindley@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rohan Challa <rohan@golang.org>
98 lines
2.0 KiB
Go
98 lines
2.0 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fake
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import (
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"strings"
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"testing"
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)
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func TestApplyEdit(t *testing.T) {
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tests := []struct {
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label string
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content string
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edits []Edit
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want string
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wantErr bool
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}{
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{
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label: "empty content",
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},
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{
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label: "empty edit",
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content: "hello",
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edits: []Edit{},
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want: "hello",
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},
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{
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label: "unicode edit",
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content: "hello, 日本語",
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edits: []Edit{{
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Start: Pos{Line: 0, Column: 7},
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End: Pos{Line: 0, Column: 10},
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Text: "world",
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}},
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want: "hello, world",
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},
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{
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label: "range edit",
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content: "ABC\nDEF\nGHI\nJKL",
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edits: []Edit{{
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Start: Pos{Line: 1, Column: 1},
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End: Pos{Line: 2, Column: 3},
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Text: "12\n345",
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}},
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want: "ABC\nD12\n345\nJKL",
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},
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{
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label: "end before start",
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content: "ABC\nDEF\nGHI\nJKL",
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edits: []Edit{{
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End: Pos{Line: 1, Column: 1},
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Start: Pos{Line: 2, Column: 3},
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Text: "12\n345",
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}},
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wantErr: true,
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},
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{
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label: "out of bounds line",
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content: "ABC\nDEF\nGHI\nJKL",
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edits: []Edit{{
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Start: Pos{Line: 1, Column: 1},
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End: Pos{Line: 4, Column: 3},
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Text: "12\n345",
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}},
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wantErr: true,
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},
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{
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label: "out of bounds column",
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content: "ABC\nDEF\nGHI\nJKL",
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edits: []Edit{{
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Start: Pos{Line: 1, Column: 4},
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End: Pos{Line: 2, Column: 3},
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Text: "12\n345",
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}},
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wantErr: true,
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},
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}
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for _, test := range tests {
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test := test
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t.Run(test.label, func(t *testing.T) {
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lines := strings.Split(test.content, "\n")
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newLines, err := editContent(lines, test.edits)
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if (err != nil) != test.wantErr {
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t.Errorf("got err %v, want error: %t", err, test.wantErr)
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}
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if err != nil {
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return
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}
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if got := strings.Join(newLines, "\n"); got != test.want {
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t.Errorf("got %q, want %q", got, test.want)
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}
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})
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}
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}
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