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https://github.com/golang/go
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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>
94 lines
1.7 KiB
Go
94 lines
1.7 KiB
Go
package regtest
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import (
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"context"
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"testing"
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)
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const unformattedProgram = `
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-- main.go --
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package main
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import "fmt"
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func main( ) {
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fmt.Println("Hello World.")
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}
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-- main.go.golden --
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package main
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import "fmt"
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func main() {
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fmt.Println("Hello World.")
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}
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`
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func TestFormatting(t *testing.T) {
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runner.Run(t, unformattedProgram, func(ctx context.Context, t *testing.T, env *Env) {
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env.OpenFile("main.go")
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env.FormatBuffer("main.go")
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got := env.E.BufferText("main.go")
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want := env.ReadWorkspaceFile("main.go.golden")
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if got != want {
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t.Errorf("\n## got formatted file:\n%s\n## want:\n%s", got, want)
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}
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})
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}
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const disorganizedProgram = `
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-- main.go --
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package main
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import (
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"fmt"
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"errors"
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)
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func main( ) {
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fmt.Println(errors.New("bad"))
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}
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-- main.go.organized --
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package main
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import (
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"errors"
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"fmt"
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)
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func main( ) {
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fmt.Println(errors.New("bad"))
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}
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-- main.go.formatted --
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package main
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import (
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"errors"
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"fmt"
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)
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func main() {
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fmt.Println(errors.New("bad"))
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}
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`
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func TestOrganizeImports(t *testing.T) {
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runner.Run(t, disorganizedProgram, func(ctx context.Context, t *testing.T, env *Env) {
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env.OpenFile("main.go")
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env.OrganizeImports("main.go")
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got := env.E.BufferText("main.go")
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want := env.ReadWorkspaceFile("main.go.organized")
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if got != want {
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t.Errorf("\n## got formatted file:\n%s\n## want:\n%s", got, want)
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}
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})
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}
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func TestFormattingOnSave(t *testing.T) {
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runner.Run(t, disorganizedProgram, func(ctx context.Context, t *testing.T, env *Env) {
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env.OpenFile("main.go")
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env.SaveBuffer("main.go")
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got := env.E.BufferText("main.go")
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want := env.ReadWorkspaceFile("main.go.formatted")
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if got != want {
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t.Errorf("\n## got formatted file:\n%s\n## want:\n%s", got, want)
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}
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})
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}
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