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go/internal/lsp/fake/editor_test.go
Rob Findley a5e28d8dab internal/lsp/fake: move to a struct for configuring the sandbox
The Sandbox constructor was getting out of control, and this allows
binding regtest options directly to the sandbox configuration struct.

Change-Id: I18da4ddf43c86b3b652516c3ddca7726cd35e3b2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/244439
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-23 23:36:26 +00:00

83 lines
1.6 KiB
Go

// 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 (
"context"
"testing"
)
func TestContentPosition(t *testing.T) {
content := "foo\n😀\nbar"
tests := []struct {
offset, wantLine, wantColumn int
}{
{0, 0, 0},
{3, 0, 3},
{4, 1, 0},
{5, 1, 1},
{6, 2, 0},
}
for _, test := range tests {
pos, err := contentPosition(content, test.offset)
if err != nil {
t.Fatal(err)
}
if pos.Line != test.wantLine {
t.Errorf("contentPosition(%q, %d): Line = %d, want %d", content, test.offset, pos.Line, test.wantLine)
}
if pos.Column != test.wantColumn {
t.Errorf("contentPosition(%q, %d): Column = %d, want %d", content, test.offset, pos.Column, test.wantColumn)
}
}
}
const exampleProgram = `
-- go.mod --
go 1.12
-- main.go --
package main
import "fmt"
func main() {
fmt.Println("Hello World.")
}
`
func TestClientEditing(t *testing.T) {
ws, err := NewSandbox(&SandboxConfig{Files: exampleProgram})
if err != nil {
t.Fatal(err)
}
defer ws.Close()
ctx := context.Background()
editor := NewEditor(ws, EditorConfig{})
if err := editor.OpenFile(ctx, "main.go"); err != nil {
t.Fatal(err)
}
if err := editor.EditBuffer(ctx, "main.go", []Edit{
{
Start: Pos{5, 14},
End: Pos{5, 26},
Text: "Hola, mundo.",
},
}); err != nil {
t.Fatal(err)
}
got := editor.buffers["main.go"].text()
want := `package main
import "fmt"
func main() {
fmt.Println("Hola, mundo.")
}
`
if got != want {
t.Errorf("got text %q, want %q", got, want)
}
}