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// 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: UnpackTxt(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)
}
}
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