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// Copyright 2021 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 misc
import (
"strings"
"testing"
"golang.org/x/tools/internal/lsp/fake"
. "golang.org/x/tools/internal/lsp/regtest"
"golang.org/x/tools/internal/testenv"
)
func TestHoverUnexported(t *testing.T) {
const proxy = `
-- golang.org/x/structs@v1.0.0/go.mod --
module golang.org/x/structs
go 1.12
-- golang.org/x/structs@v1.0.0/types.go --
package structs
type Mixed struct {
// Exported comment
Exported int
unexported string
}
func printMixed(m Mixed) {
println(m)
}
`
const mod = `
-- go.mod --
module mod.com
go 1.12
require golang.org/x/structs v1.0.0
-- go.sum --
golang.org/x/structs v1.0.0 h1:Ito/a7hBYZaNKShFrZKjfBA/SIPvmBrcPCBWPx5QeKk=
golang.org/x/structs v1.0.0/go.mod h1:47gkSIdo5AaQaWJS0upVORsxfEr1LL1MWv9dmYF3iq4=
-- main.go --
package main
import "golang.org/x/structs"
func main() {
var m structs.Mixed
_ = m.Exported
}
`
// TODO: use a nested workspace folder here.
WithOptions(
ProxyFiles(proxy),
).Run(t, mod, func(t *testing.T, env *Env) {
env.OpenFile("main.go")
mixedPos := env.RegexpSearch("main.go", "Mixed")
got, _ := env.Hover("main.go", mixedPos)
if !strings.Contains(got.Value, "unexported") {
t.Errorf("Workspace hover: missing expected field 'unexported'. Got:\n%q", got.Value)
}
cacheFile, _ := env.GoToDefinition("main.go", mixedPos)
argPos := env.RegexpSearch(cacheFile, "printMixed.*(Mixed)")
got, _ = env.Hover(cacheFile, argPos)
if !strings.Contains(got.Value, "unexported") {
t.Errorf("Non-workspace hover: missing expected field 'unexported'. Got:\n%q", got.Value)
}
exportedFieldPos := env.RegexpSearch("main.go", "Exported")
got, _ = env.Hover("main.go", exportedFieldPos)
if !strings.Contains(got.Value, "comment") {
t.Errorf("Workspace hover: missing comment for field 'Exported'. Got:\n%q", got.Value)
}
})
}
func TestHoverIntLiteral(t *testing.T) {
testenv.NeedsGo1Point(t, 13)
const source = `
-- main.go --
package main
var (
bigBin = 0b1001001
)
var hex = 0xe34e
func main() {
}
`
Run(t, source, func(t *testing.T, env *Env) {
env.OpenFile("main.go")
hexExpected := "58190"
got, _ := env.Hover("main.go", env.RegexpSearch("main.go", "hex"))
if got != nil && !strings.Contains(got.Value, hexExpected) {
t.Errorf("Hover: missing expected field '%s'. Got:\n%q", hexExpected, got.Value)
}
binExpected := "73"
got, _ = env.Hover("main.go", env.RegexpSearch("main.go", "bigBin"))
if got != nil && !strings.Contains(got.Value, binExpected) {
t.Errorf("Hover: missing expected field '%s'. Got:\n%q", binExpected, got.Value)
}
})
}
// Tests that hovering does not trigger the panic in golang/go#48249.
func TestPanicInHoverBrokenCode(t *testing.T) {
testenv.NeedsGo1Point(t, 13)
const source = `
-- main.go --
package main
type Example struct`
Run(t, source, func(t *testing.T, env *Env) {
env.OpenFile("main.go")
env.Editor.Hover(env.Ctx, "main.go", env.RegexpSearch("main.go", "Example"))
})
}
func TestHoverRune_48492(t *testing.T) {
const files = `
-- go.mod --
module mod.com
go 1.18
-- main.go --
package main
`
Run(t, files, func(t *testing.T, env *Env) {
env.OpenFile("main.go")
env.EditBuffer("main.go", fake.NewEdit(0, 0, 1, 0, "package main\nfunc main() {\nconst x = `\nfoo\n`\n}"))
env.Editor.Hover(env.Ctx, "main.go", env.RegexpSearch("main.go", "foo"))
})
}
|
