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go/internal/lsp/regtest/diagnostics_114_test.go
Rebecca Stambler 4e4aced336 internal/lsp/regtest: add regtest for golang/go#38207
Fixes golang/go#38207

Change-Id: I78396814a2e6a3ccecc860953ac6892ffa1b68e8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226960
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-04-22 01:51:11 +00:00

125 lines
3.1 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.
// +build 1.14
package regtest
import (
"testing"
"golang.org/x/tools/internal/lsp/fake"
"golang.org/x/tools/internal/lsp/protocol"
)
const ardanLabsProxy = `
-- github.com/ardanlabs/conf@v1.2.3/go.mod --
module github.com/ardanlabs/conf
go 1.12
-- github.com/ardanlabs/conf@v1.2.3/conf.go --
package conf
var ErrHelpWanted error
`
// -modfile flag that is used to provide modfile diagnostics is only available
// with 1.14.
func Test_Issue38211(t *testing.T) {
const ardanLabs = `
-- go.mod --
module mod.com
go 1.14
-- main.go --
package main
import "github.com/ardanlabs/conf"
func main() {
_ = conf.ErrHelpWanted
}
`
runner.Run(t, ardanLabs, func(t *testing.T, env *Env) {
// Expect a diagnostic with a suggested fix to add
// "github.com/ardanlabs/conf" to the go.mod file.
env.OpenFile("go.mod")
env.OpenFile("main.go")
metBy := env.Await(
env.DiagnosticAtRegexp("main.go", `"github.com/ardanlabs/conf"`),
)
d, ok := metBy[0].(*protocol.PublishDiagnosticsParams)
if !ok {
t.Fatalf("unexpected type for metBy (%T)", metBy)
}
env.ApplyQuickFixes("main.go", d.Diagnostics)
env.SaveBuffer("go.mod")
env.Await(
EmptyDiagnostics("main.go"),
)
// Comment out the line that depends on conf and expect a
// diagnostic and a fix to remove the import.
env.RegexpReplace("main.go", "_ = conf.ErrHelpWanted", "//_ = conf.ErrHelpWanted")
env.Await(
env.DiagnosticAtRegexp("main.go", `"github.com/ardanlabs/conf"`),
)
env.SaveBuffer("main.go")
// Expect a diagnostic and fix to remove the dependency in the go.mod.
metBy = env.Await(
EmptyDiagnostics("main.go"),
env.DiagnosticAtRegexp("go.mod", "require github.com/ardanlabs/conf"),
)
d, ok = metBy[1].(*protocol.PublishDiagnosticsParams)
if !ok {
t.Fatalf("unexpected type for metBy (%T)", metBy)
}
env.ApplyQuickFixes("go.mod", d.Diagnostics)
env.SaveBuffer("go.mod")
env.Await(
EmptyDiagnostics("go.mod"),
)
// Uncomment the lines and expect a new diagnostic for the import.
env.RegexpReplace("main.go", "//_ = conf.ErrHelpWanted", "_ = conf.ErrHelpWanted")
env.SaveBuffer("main.go")
env.Await(
env.DiagnosticAtRegexp("main.go", `"github.com/ardanlabs/conf"`),
)
}, WithProxy(ardanLabsProxy))
}
// Test for golang/go#38207.
func TestNewModule_Issue38207(t *testing.T) {
const emptyFile = `
-- go.mod --
module mod.com
go 1.12
-- main.go --
`
runner.Run(t, emptyFile, func(t *testing.T, env *Env) {
env.OpenFile("main.go")
env.OpenFile("go.mod")
env.EditBuffer("main.go", fake.NewEdit(0, 0, 0, 0, `package main
import "github.com/ardanlabs/conf"
func main() {
_ = conf.ErrHelpWanted
}
`))
env.SaveBuffer("main.go")
metBy := env.Await(
env.DiagnosticAtRegexp("main.go", `"github.com/ardanlabs/conf"`),
)
d, ok := metBy[0].(*protocol.PublishDiagnosticsParams)
if !ok {
t.Fatalf("unexpected type for diagnostics (%T)", d)
}
env.ApplyQuickFixes("main.go", d.Diagnostics)
env.Await(
EmptyDiagnostics("main.go"),
)
}, WithProxy(ardanLabsProxy))
}